JOURNALOFHEILONGJIANGUNIVERSITYOFSCIENCEANDTECHNOLOGY May2020Vol.30No.3 Experimentalstudyonmechanicalpropertiesandacousticemissionofholesandstone ………………………………………… XiaoFukun,XuLei,BashkovOlegViktorovich,BaoFengyuan(231) Failurecharacteristicsunderlyinguniaxialcompressionofsandstonewithdifferentwatercontent ………………………………………………………………………………………… LiuYongli,LiLong(238) Surfaceactionmechanism behindelectrochemistryinhibitingcoalseriesclayrocksliming …………………………………………………………… LiMingming,YinYuqi,LüYuting,KangHua(243) Effectofadditiveonfluiditypropertiesofminefillingslurry ……………………… LiTao,GuanChangguo,LiYaohui,ShanQiyuan,ChenWeixin,GongXianhui(248) ApplicationofhydraulicfracturingtechnologyofcrosslayerdrillinginSijiazhuangmine ………………………………………………………………………………………… YaoZhuangzhuang(255) Influenceofcoalminingongroundwaterlevelandquantityofaquifer…………………… MuPengfei(259) MethodforT2spectrum byadaptivetruncatedsingularvalueandactiveset ………………………………………………………………………… LiPengju,WangZicheng,RenLi(264) GeoloticalmodelingofXing′anlingreservoirinbei14blockofsuderteoilfield ………………………………………………………………… WenHuijian,XingBenkang,ZhaoGuoshi(270) Seismicperformanceofcompositeshearwallsquarecylinderunderdifferentaxialcompressionratios ………………………………………………… YuanZhaoqing,WangZhongquan,ZhangJie,LiuYan(274) Supportingeffectofultrashallow burialcovermethodinsubwaystationconstruction ………………………………………………………………… TaoLianjin,YuZhaoyuan,DongLipeng(279) Dynamiccharacteristicsbehindmechanism ofvibrationcuttingcoalandrockwithdiscbasedonADAMS ……………………………………………………………… LiuChunsheng,NaHongliang,HanDeliang(284) Dynamiccharacteristicsandchaoscharacteristicsofpipebeltconveyorunderstartingandbraking conditions………………………………………… ZhouGuanglin,GuoYanchao,WuQing,ChengYunfei(291) EffectofMgCeonmicrostructureandrefiningmechanism ofAlTiBalloy ……………………………………………… SongLiang,YinDongsong,ZhangZhengcun,XiaoQiang(298) Smallsignalimpedancemodelingandstabilityanalysisofdoublyfedfan ………………………………………………………… SuXunwen,YueBing,AnPengyu,CuiHanqing(302) Elmanneuralnetworkpredictionmodelforevaporatorsystem ofrefrigerationunit ………………………………………………………………………………ShenXianqing,HuangXiheng(309) Optimizationofdischargecontrolmethodforaviationbattery …………………………………………… ZhangDongqing,ZhangXinxin,WangZhe,QinZhongming(313) Powermeasurementalgorithm basedonoptimalHilbertfilterandwavelettransform fusion ………………………………………………………………… YangQingjiang,WangWeixin,YangShuo(318) Motorcontrolagorithm ofmineradheaderbsedonFOAandFEI ………………………………………………………………………… ZhaoJie,HuHaoran,GeZunhui(323) Improvedalgorithm forpedestriandetectionbasedonYOLO ………………………………………………………………………… JiangXiaolin,PengBo,XiangYu(330) BLAKEHashalgorithm basedonLorenzchaoticsystem…… WangJuan,ZhouXin,HanTongzhuang(335) Predictionmethodforcoalminecollapsebasedonopticalfiberacousticemissiondetectiontechnology ……………………………………………………………………… GuoJikun,JiaHaoxiang,CaoQuan(341) Influenceofstructuralparametersofintegralpinfintubeonvibrationcharacteristics ……………………………………………………………… NiuGuanglin,TangZelong,SongZhiyong(346)
! 30\" ! 3# & ' ( ) * + , , - Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 2020$ 05% May2020 ./01234,56789:;<=> !\"#1, $ %1, БашковО.В.2, &'(2 (1.&'()*+, &'(?@ABCDEFGHIJKLMNOP;<Q,RST 150022; 2.КомсомольскийнаАмурегосударственныйуниверситетМатериаловедениеитехнология новыхматериалов,Хабаровскийкрайг.КомсомольскнаАмуре,Россия681013) ! \":)*+,-./0123456789:67;,<=:>?@ABC,DEF,. /GH、.I、JKLMNOPNQRSTUVWXH4YZ,+[:>?\\]^J_01`ab c4de。fghi:j23klmno,pq.HL.I4rk,:>?stjuvwx;./J K4rk,yz{|:>?\\]^J}~c;GP4./M P4./,:> ?\\]^Jk;.H、.I、.J9.OQRS>mn、\\]^JL 4`。F, 38。 #$%:23;5678;:>?;./`a doi:10.3969/j.issn.2095-7262.2020.03.001 &'()*:TD823 +,-*:2095-7262(2020)03-0231-07 +./01:A Experimentalstudyonmechanicalpropertiesand acousticemissionofholesandstone XiaoFukun1, XuLei1, BashkovOlegViktorovich2, BaoFengyuan2 (1.HeilongjiangGroundPressure& GasControlinDeepMiningKeyLab,HeilongjiangUniversityof Science& Technology,Harbin150022,China;2.DepartmentofNewMaterialsScience&Technology, KomsomolsknaAmureStateUniversity,KhabarovskKraiKomsomolskonAmur681013,Russia) Abstract:Thispaperaimstoexplorethemechanicalandacousticcharacteristicsbehindsandstone containingholedefects.Thestudyinvolvesusingacousticemissionmonitoringtechnologytoexperimen tallystudytheinfluenceofholediameter,holedepth,number,andrelativepositiononmicrocrackprop agationandextensionpath,andtherebyexploringtherelationshipbetweenacousticemissionringing countanddefectform.Theresultsshowthattheloadingprocessofsandstoneisaccompaniedbythegrad uallyweakeningacousticemissionsignalswiththeincreaseofporediameterandporedepth;alongwith theincreaseofthenumberofholescomesashortertimerequiredtoreachthemaximum ringingcount; thehorizontallayoutproducesadensernumberofacousticemissionringingthantheverticallayout;and theporesize,holedepth,holenumberandholepositionresultinchangesinthedevelopmentofmicroc rack,theevolutionlawofringingcount,andthemorphologyafterfailure.Thestudyishelpfultothesta bilitycontrolofsurroundingrocks. Keywords:sandstone;mechanicalproperties;acousticemission;holeform 2345:2020-04-27 6789:UVWX),YZ[\\(51774121);&'(?]^_)=`aZ[\\(LBH-Q18111) :;<=>?:bcd(1971-),e,fg?hij,kl,]^,=>mn:opFGJ2qHI,Email:xiao_fukun@163.com。
232 & ' ( ) * + , , - ! 30\" 0 3pq,`x89:3klmrèsFÀ t%,-³´123©¬8()。 rFstuvwxuy,z{|}~D Fs Q 4 3 O , Q 3 、B `xG4Ï<Yz.,-/0³´312Ï÷ 、7}~J23u7 uÝ7,¼v,-Dw/0z124,56 。2qy3 G/、 G¡ 3±²。x y z ×{ ×| ê 100mm ×30mm × 7KL¢E£/¤¥¦z§¨2q©ª«7 100mm3zmq}~ÏÐ,X_£/YI#w ¬®¯°|3±²。tuy3/0³´¤µ¶· |3¤/0,í TYJ-500kN 2¾x ¸¹º,»¼½./02¾34,56789:5 8Ï<Yz,-/012Ý7。;<xui ¿z2{|6ÀÁOÂ3ÃÄ。 juHIÝ7,Ý7ê 0.02mm/s。/ Ûê D/ê n,123 1,/02 2¾/0ÅÆJ/0ÇÈz2¾ÉÊË ¾8¤VWîp 1。12ÏÐp 2。 ÌÍ3 ± ²[1]。 Î / Ï Ð 3 Ñ 、Ò + Ê « Ë 、 ÓÔÕÖ × © Ø Ù Ú Û 3 Ü Ý Þ ß à[2]。 r ( 1 )*+,-./ áâã m ä,å æ ç[3]è é 1 2 ê = > z ë,ì Table1 Geometricdimensionsofsandstone í89:î、ïðñîò2¾ÎóGô ;<,õìí RFPA3Dáâãö÷z2¾ø l/mm b/mm h/mm n/X /B /mm D/mm ùx u ò â ã。 ú û ü[4]ý E í þ ÿ ! \"I#$.·%&'()、0°Ö 90°3./0Ý* C1 100.02 30.13 100.14 0 00 Ï÷,z+ÎóGô;<,ÀÏ÷,-C ©./,01ò./0Ý*2¾34,56Ö C2 99.86 29.89 100.17 0 00 ©./ 。 2 3 4[5]ý z . / 0 5 1 2 3 4,56Îó67;<,À./052Ð C3 99.92 30.17 100.03 0 00 3ËÖ8¤56,-9Ø:;/05ý³´z 89: Ì Í 3 ± ²。 < = >[6]? | ò 2 a1-D5-1 100.04 30.10 100.07 1 30 5 ¾þÿ!\"7@AB,IC;,-/Û3Î/D2 ¾Ï÷,Àò.,-³´/0Ï÷rÎóGôE a1-D5-2 100.21 30.05 100.13 1 30 5 ÷s38¤7()。FG[7-10]Eíáâ ãýmH=>ò£/~IýJz2¾ÉÊËÖ a1-D5-3 99.92 29.93 100.13 1 30 5 ÉGË3±²,õK;òê GKLMN¤8} ~3HI*O。 a1-D10-1 100.14 30.21 100.08 1 30 10 rLj=>3YPQR,STUí89:VW a1-D10-2 100.17 29.94 100.01 1 30 10 *O,z/Û、/B、/7/ 4Xù312 ©ª«、¤¥、Ë5¿78,56À, a1-D10-3 100.28 30.14 99.87 1 30 10 =>/0¤µz©¬5¿、4,56789: 3±²。 a1-D15-1 100.02 29.86 100.29 1 30 15 1 a1-D15-2 100.21 30.14 100.16 1 30 15 rG4Y3ÎóGô;<9,-9Uí8 a1-D15-3 99.82 29.79 100.18 1 30 15 9:Z[\\W12]C©3^A、®¯、./7_ `xu,w3abáê 40dB。;<:c_d; a2-D5-v-1 99.87 29.92 99.89 2 30 5 e,Uí Excelö÷z89:efgÖhi, ij89:klm#ê;<3n8,X_Uí a2-D5-v-2 100.16 30.10 100.18 2 30 5 Originopö÷o;ò1234 -9~ -klm a2-D5-v-3 100.05 30.08 100.20 2 30 5 a2-D5-i-1 99.87 29.89 99.87 2 30 5 a2-D5-i-2 99.89 29.98 99.92 2 30 5 a2-D5-i-3 100.16 29.92 100.22 2 30 5 a2-D5-l-1 100.21 29.85 100.14 2 30 5 a2-D5-l-2 99.98 29.96 100.25 2 30 5 a2-D5-l-3 100.05 30.05 29.91 2 30 5 a1-D10-d10-1 99.85 29.92 100.18 1 10 10 a1-D10-d10-2 100.13 29.96 100.06 1 10 10 a1-D10-d10-3 100.23 29.89 100.05 1 10 10 a1-D10-d20-1 99.95 30.12 100.08 1 20 10 a1-D10-d20-2 99.91 30.03 99.91 1 20 10 a1-D10-d20-3 99.92 29.89 100.02 1 20 10
! 3# bcd,ý:./01234,56789:;<=> 233 /ÛÜ 10mm9,ÉGË©ê 59.31MPa,©¬ 20.94%;/ Û Ü 15 mm 9,É G Ë © ê 53.57MPa,©¬ê 28.59%。-N,®á8©¬ ¯ê 41.33%、35.71%Ö 6.89%。Ù/Û3Ü Ý,ÎóÉG˨°6±ß,®á8¨²w ±ß,£6âr;³/0_,´ÜÝ,Þ_Ù/ Û3ÜÝ,¨±ßª«。 ' 1 HIBJKLMNOPQR @ 2 YZH[BJCUV\\] Fig.1 Holerockdeformationandfailure Table2 Mechanicalparametersofrockswithdifferent monitoringsystem poresizes n/X D/mm p/MPa ε/% E/GPa 0 0 75.02 3.92 3.21 1 5 63.65 2.3 3.95 1 10 59.31 2.52 3.16 1 15 53.57 3.65 2.22 ' 2 ABST 2.2 ^_`Wa Fig.2 Sandstonesample }~ÏÐ、/Û¯ê 5、10、15mm4%2¾Ï 2 *+',- ÷¤¥µp 3¶·。 ¸p 3ayrè¹;,ÙG4Y3º»u ;<=>,-³´/0124、klmÖ 9~z3,þ3YN,ä Ý 7 ,¼ ¶ ½ 1 3 G 4 ¾ x 2 ¾ 3 ¡ 7 ¿ À 9 ,2 123,ê°=>+Û G£/K Ð9¯。}~ÏФ¥³êÁsÆ OÂde。 Â Ã Ä ,Å s Æ Ö Ï Ð Æ Ç y ~ ; ³ x © ,¨ 2.1 UVWX ³;JG4mnÈÉ 30°3ÊË©,Ìx Dw。¼/Ûê 5mm9,/0ÅÍÎÝ ÎóÉGË3mµê 7mn;³ Ê 4 Ï y ³ ë,d Ð ® ¯ Ñ ÿ Ò p=σS, m n 3 Ê « © ,Ù G 4 3 Ó » Ý 7 ,Ï Ð Å Í } É ,d Ð Ï Ð Ò Ô ,/ 0 Á Í ¤ Õ Ö µy:p———ÏÐ3ÉGË,MPa; ©,×ØÙ Ï Ð r Î ó 6 7 # í ] C 4 ¾ x σ———Ï÷76,kN; ¿ À Ë ® ¯ 3 ,Ò Ô Ï Ð ¨ Ê « D w ,µ p S———Ï÷ ¡7ä¢,cm2。 3b¶·。¼/Ûê 10mm9,/0ÚÓÛÍmn ÙG 4 Ï y d Ð x © 3 ® ¯。 Ò _ ¨ £6â3mµê 60°“>”¤Ü ä à É,7 “\”¤ Ü x ©,Ï E=σ1, Ð9¯xÊ«ÝA,µp 3c¶·。¼/Û ε ê 15mm9,/0ÚÓÛÍmnÙrÎó67 #ísG4ÏydÐx©3®¯,¨³ 30° µy:E———£6â,GPa; Þ “>”w©,Ò _ + ä à Ä,/ 0 Á Í © σ1———Ï÷3¤4,MPa; ØJÁÍ ä ¨ 30°3 “\”¤ 3 x ,“>”Ö ε———Ï÷3ón8,%。 “\”Q~Xþº3¨ßaÜ¥3øƤ§¨,µ p 3d¶·。¸ØqR¹,©3./àÛÙx èÎ/Ï÷ê¥,,-/Û2¾Ï÷3ÉGË nÊ« x á,Ò Ô 9 â ê x Ê « Ý A 7£6â 2。 。Ù / Û 3 Ü Ý,Ï Ð Ù x n Ê « xá,ÒÔ9âêxÊ«。 ¦e 2:§À0;,ÏÐÉGËØq¨ s©ª«,}~ÏÐÉGËê 75.02MPa;/Û 5mmÏÐÉGËê 63.65MPa,©¬ê 15.16%;
234 & ' ( ) * + , , - ! 30\" 10mm,klm®áëì9~KLò 61s。/Û Ù 10mmÜ 15mm,®áëì9~KLò 13s。 ' 3 YZH[BJSbMNcCLd ' 4 YZH[BJSbeU -fg -hij]Rj Fig.3 Failuremorphologyofrockspecimenswith Fig.4 Stresstimeringingcountstatisticsofrock differentporediameters specimenswithdifferentporediameters }~ÏÐ、/Û¯ê 5、10、15mm4%2¾Ï ÷34 -9~ -klmîmµp 4¶·。 }~12Ï÷r 0.02mm/s3uÝ7E÷ s,4 -9~ -klmîmµp 4a¶·。rG ãäL#,åæ89:klm;rGãä _#Ö£6ãä#,çèé89:³ë。í, -/Û Ï Ð J } ~ Ï Ð z ê,/ Û Ù 5mm Ü
! 3# bcd,ý:./01234,56789:;<=> 235 :§í:þz}~ÏÐ,./03ÏÐrè ,-/0\\2¾4,Jµ 3¶·。 ßî89:ï÷39¯;/Û3ÜÝrèßî£6 ãä389:ï÷;Ù/Û3ÜÝ,klm®á @ 3 YZHI]9BJCUV\\] ëì9~,ðKL,õ¸KL3¬ñòªÎó; Table3 Mechanicalparametersofrockwithdifferent 89:ômÜz¬Ù/Û3ÜÝÞßî;. /012ÏÐש3õâ、ö¯、./、÷3x numberofholes uB}~ÏÐøÝ,rèùêú°mn9/,û 1ò G3s§,ü°s§Ù/ÛÜÝÞÜÝ,Üz n/X D/mm p/MPa ε/% E/GPa ý°ñòªÎó。 1 5 63.65 2.30 4.95 þ/0Û 5mmÏ÷_3¤¥µp 5¶ ·,4 -9~ -klmîmµp 6¶·,¸p 6 2 5 52.09 2.03 3.38 rè¹;,Gãäåæ89:klm®¯。 zBÀÛê 5mm3Î/0Öþ/0ÏÐ3 þ/ÒÖþ/ 45°Å) 2%2¾Ï 4 -9~ -klmîmprÿ,þ/0ÏÐkl ÷_¤¥µp 7¶·,4 -9~ -klm m®áëì9~ø!,klm®á\"ßî,8 îmµp 8¶·。Û 5mmþ/0Ò12 9:ômܬ©#。`xzÛ$ÏÐ_¤¥ Ï÷r 0.02mm/s3 u Ý 7 E ÷ s, 4 -9 3À,9³þ/0312ÏФ¥%ÛX/ ~ -klmîmµp 8a¶·;Û 5mmþ/0 09â,Õ&ð+]C3ש-Ðùê'¤¥9 Å) 45°12Ï÷34 -9~ -klmî â。: § í:/ 0 \\ 3 Ü Ý,r è K ( G s mµp 8b¶·。67*Ý#+Gãäæ8 §;-9Õìש39âÖ¤¥øÝ。 9:klm®¯。£6ãäLy#klm,Ø èé³ë。`xz 3%mµ2¾Ï÷¤¥ 3À,rè¹;-Î3ÏФ¥B¶ ,+.êÅ)3ÏÐ,Ò3ÏФ ¥Ò깺。:§í:Ù12Ïн4mnJ /0/ º ° Æ 3 Ü Ý,1 2 Ï Ð 3 Î ó É G ËÖ£6âñòßà;klm®áñòÜ+; ' 5 5mmk[lHImnopBJSbMNcLd Fig.5 Failuremorphologyofrockspecimenswith5mm diameterdoubleholeshorizontalarrangement ' 6 5mmlHImnopBJSbeU -fg -h ' 7 5mmlHIYZopqrBJSbMNcLd ij]Rj Fig.7 Failuremorphologyofrockspecimenswith5mm Fig.6 Stresstimeringingcountstatisticsofrockspeci diameterdoubleholesarrangedindifferentways menwith5mm diameterdoubleholeshorizontal arrangement
236 & ' ( ) * + , , - ! 30\" ½4mnÖ/0/º°3Æ0+,ש3. s,4 -9~ -klmîmµp 10a¶·。Î /ÖÏÐ3¤¥0。 /Û 10mm、/B20mm312Ï÷34 -9 ~ -klmîmµp 10b¶·。 ' 9 10mmsHIYZHtBJSbMNcLd Fig.9 Failuremorphologyofrockspecimenswith10mm diametersingleholeanddifferentholedepths ' 8 5mmlHIYZopqrBJSbeU -fg - hij]Rj Fig.8 Stresstimeringingcountstatisticsofrockspeci menswith5mm diameterdoubleholesarranged indifferentways `xÀþ/0,-mµ34 -9~ - klmîmp,01+2¾4,Jµ 4¶·。 @ 4 YZHIopqrBJCUV\\] Table4 Mechanicalparametersofrockwithdifferenthole arrangement n/X mµ p/MPa ε/% E/GPa 2 -Î 52.09 2.03 3.38 2 Ò 65.59 3.33 4.65 2 Å) 56.41 1.74 4.09 Î/Û 10mm,/B¯ê 10、20mm2%2 ' 10 10mmsHIYZHtBJSbeU -fg - ¾Ï÷_3¤¥µp 9¶·,4 -9~ -k hij]Rj lmîmµp 10¶·。Î/Û 10mm、/B 10mm312Ï÷r 0.02mm/s3uÝ7E÷ Fig.10 Stresstimeringing countstatisticsofrock specimenswith10mm diametersinglehole anddifferentholedepths
! 3# bcd,ý:./01234,56789:;<=> 237 /BÙ 10mmÜÝ 20mm,klm®á, /º°3Æ0+,ש3./ÖÏÐ3 þ¸2.81ÜÝ 3.21.。klm®áëì ¤¥0。 9~B¶2Ñ,3/B 20mm 3 Ï Ð ® á ø Ý Ï y,r 50~80s,/B 20mm3ÏÐ389:ôm (3)Ù/B3ÜÝ,klm®áñòÜÝ, à¬ÜÝ。zBðä,/B 20mmÏÐ3 89:ï÷øÝÏy, Gs§ñòÜË。zB4 ðäøÝÎ~。:§í:/B3ÜÝ,ìklm /Þ5,B/ÏÐ3äøÝÎ~。 ®áÜÝ;ì89:ï÷øÝÏy;zB4/Þ5, B/ÏÐ3äøÝÎ~;Ù/B3ÜÝ, G (4)/0 Õ 6 1 © # Ö 7 u 4 3 # í, s§ñòÜË。 4©#s§J/Û、/7/B¤B,¼£/ mn8Ò+94mn9,4®á©#ÒíÌ, `xÀÎ/Û 10mm,,-/B12Ï÷ øU:;3{|。 34 -9~ -klm,01+2¾4,Jµ 5¶·。 \\u+.: @ 5 YZHtBJCUV\\] [1] <=>,234,? @,ý.Aäþ5D2¾!\"ÉÊË Table5 Mechanicalparametersofrockswithdifferent Ï<=>[J].tu4,,2020,37(3):188-201. poredepths [2] 234,? B,éCD,ý.Î/EFÏ<ÊGË4,5 6HIÀ[J].yUAJ+,,-,2019,48(5):53-61. n/X D/mm /B /mm p/MPa ε/% E/GPa [3] åæç.é12ÎóGôøù x u J 89: 5¿ À 1 10 10 81.57 2.14 4.26 [D].KL:KLNt+,,2019. 1 10 20 71.25 2.32 3.72 [4] úûü,Mv,? N O.. / 0 Ý * 2 ¾ 4 , 5 6 7 © ./[J].2¾4,Jtu,-,2018,37(1):87-103. 3 * . [5] 234,Pþµ,? Q R.Î ó G ô s . / 0 5 1 2 4 , (1)þz } ~ Ï Ð,. / 0 3 Ï Ð r è ß î 56Ï<À [J].2 ¾ 4 , J t u , -,2012,31(S2): 89:ï÷39¯,./0312ÏÐש3õ 3539-3546. â、ö¯、./、÷Ö./3xuB}~ÏÐøÝ 。Ù/Û3ÜÝ,³Gs§ñòªÎó。Ù [6] <=>../0D2¾!\"4 , 56 Ï <J á âã = > /0\\3ÜÝ,Ï÷ÎóÉGËñò©#,× [D].ST:STFN,U,2019. ©39âÖ¤¥øÝ。 [7] PVW.|4:;£/ GYN7XG&'*O=>[D]. (2)Ù12Ïн4mnJ/0/º°Æ YZ:yUAJ+,,2019. 3ÜÝ,12ÏÐ3ÎóÉGËÖ£6âñ òßà,klm®áñòÜ+。½4mnÖ/0 [8] [û\\,]^,Pî_,ý.`U@aBCDEopFG5¿、 Dw7bcH*O[J].@a,-,2020,45(1):111-121. [9] d e,dfg,b-Ë.BC:;£/ GYN7hJ? |mHJí[J].@a,-,2017,42(5):1138-1145. [10]ijü,klm,n,o,ý.+Û£/ GYNQ]7 áÏ<=>[J].2ptu,-,2017,39(6):1115-1122. (-v ¡ wx ¢£¤)
! 30\" ! 3# & ' ( ) * + , , - Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 2020$ 05% May2020 ,-.-12ÎóGô35¿ ¥£¦, § ¨ (&'()*+, AJtu,U,RST 150022) ! \":©Nª«3-¬®4¯nBC°±,²= TAW -20003³´EµL SH-II:>?²e¶ · ¸ * ¹ º - ¬ 2 3 » ¼ ½ ¾ : > ? D E,¿ z ¹ º - ¬ 2 3 4 À5 -ÀÁÂ、ÃÄÅÆ9Ç8ÈÉÊËJ,+i*¹º-¬23»¼½¾Ì89RÍ> 7;。DEfghi:pq-¬4rk,23»¼Î½ÅÆuvwÏ,Ì8uvÐÑ;23À5 ÃÒ`8ÓÔÕ -Ç8`uvÖÕ -Ç -Õ8`m×;Ã:>?ØÙrk,ÚÛÅÆÐ Ñ,RÍÜÝ·nVÞ,RÍßàáâmn½¾,ã`aÔäå)¢ -äæç。F,è) ª«3-¬®4¯nBC°±éêËë。 #$%:23;Ì8;-¬;:>?;RÍ> doi:10.3969/j.issn.2095-7262.2020.03.002 &'()*:TD315 +,-*:2095-7262(2020)03-0238-05 +./01:A Failurecharacteristicsunderlyinguniaxialcompressionof sandstonewithdifferentwatercontent LiuYongli, LiLong (SchoolofMiningEngineering,HeilongjiangUniversityofScience& Technology,Harbin150022,China) Abstract:Thispaperaimstoaddressengineeringissuescausedbythemoisturecontentchangesin surroundingrockofroadway.Thestudyinvolvesrunningtheacousticemissionexperimentsofsandstone withdifferentwatercontentunderuniaxialcompressionusingtheTAW2000acousticemissiontestingma chineandSHIIofrockcollectionsystem;obtainingtheparameterssuchasthestressstraincurve,peak strengthandelasticmodulusofsandstonewithdifferentwatercontent;andidentifyingthecharacteristics underlyingthebrittlefractureandfracturedevelopmentofsandstonewithdifferentwatercontentunderu niaxialcompression.Theexperimentalresultsshowthatalongwiththeincreaseofwatercontentcomesa gradualdecreaseintheuniaxialcompressivestrengthandbrittlenessofsandstone;sandstonestresspeak isprecededbythetransitionfrom plasticelasticdeformationtoplasticelastoplasticoneinthedeforma tionpropertiesofsandstone;andthepeakisfollowedbyincreasesinAEactivity,decreasesinresidual strength,delaysinfractureinitiationprocess,compressionsinfractureconvergenceprocess,andchanges ofthemainfailureformshearintotensionshearmixture.Thisstudycouldinformthesolutiontoengineer ingtechnologyproblemscausedbywatercontentchangeinroadwaysurroundingrock. Keywords:sandstone;brittlefailure;moisturecontent;acousticemission;crackdevelopment 2345:2020-04-19 6789:UVWX),YZ[\\(51604100);&'(??Ì|ý,qYr)=Jst[\\(2017-KYYWF-0514) :;<=>?:Puv(1968-),e,&'(?wxj,kl,]^,=>mn:AyzJ{|},Email:yongliliu1968@126.com。
! 3# Puv,ý:,-.-12ÎóGô35¿ 239 0 ! \" ,Ö8,5¿8。;<²: (1)³=A´w12:;*tµr3z* Fs-~2¾4,675¿9 ¯8,dÐA:;L&'s,2 、 O®¯,£¶12:;·r,Ýtw·¸2Ð; Æýï»9,2.-38Øï»9¯39 (2)`x2о8\\W,i;¦、þ ÂLn。Ú'ý[1-3]D/ò,-.-2Ð3Î óGô;<,`xÀ;<e,íò-z2¾4 Ñ3·¸2Ð,õi;32ÐD/WX-;<, ,6“ö ”# í。 D.C.Zhangý [4]= > ò 1 ¹0,-.-312Ï÷; 2Öz2¾`4è7£6âý3±²。 äÊý[5]j = > ò - 9 ~ Ü Ý z 1 2 É G ö (3)`xÎóGô8 9 : V W ; < ¹ 0 ; < 3±²。àý[6]D/ò、VXè7Ö e; 3%.-Ü¥s12ÎóÝ 7;<, Àò,-.-12r67#ís3Õ、 (4)À 2 ¾ 4、 8 7 8 9 : V W ; < 、4,ê。R)=§Ø¸2¾½7Æ e,¹0.-±²12§6J2Ð59â5¿ À,-.-z2¾35¿74,63 3。*Oà°p 1。 ±²。Ù)*3,èmY、89:7áâ ãýäD/.-z125¿±²3=>0 ' 1 yz{| ë0·, Ë ý[7]9 ³,Ù 1 2 . - 3 , ð Fig.1 Technicalroute K|,89:m®áþB2¾Ë®áíÌ3 _6。n z @ ý[8]` x z , - . - 1 2 3 Î 2 234)'#$ óu89:\\W;<,¼íòÙ.-832 ¾8¤5¿、 u 、 u Õ - 2.1 BT}~ Î、Dw,Àò-#ís12ÎóG í2ÐxyYÖþ亾Y,»12Ýt ô4,5 6 Ö 。 ý[9]` x D / , - Ö12Îó89:;<,¼>ò,-.-1 50mm×100mm3¼¤Ï÷。Ï÷½¾¿U 23ò x u 。 | M ý [10] 8 9 : m À2¾4,,(ISRM)Á·¸。êÂÃ2Ð ý°;³aR(→ ©→Ò+á3³ë¡ê@ 7¦Ä±²;<:§,Eí SonicViewer 2a4¢£L¤¥¦。?Ñý[11]`x FLAC3Dö SX2о8 W Ï î \\ W Ï ÷[12], þ ÷Àòö2:;2Ù2¾.-()3,-4 Ñ3Ï÷Å;,í2ÐWX-;<。 38。 Å;3·¸Ï÷¡O_ÆÇÈÉy, 2¾§6ØÊ˳ë,59âê×˳ ÆÇ 105℃È 24h,¹0.-ê 03·¸2Ð ë。R=>¸Î°32¾½7Ê˨×˳ 7123WX.-。È_32ÐrÊ ë,æ/³2¾3C4,5¿,,Õ []ËÌ。ËÌ_,»·¸2Ð 20℃3ÍÎ- sFdAtu;©。ST`x,-.-12 y,ÏÐ 2h¶;,íÑÒÓÔÕ2Ðä-,W 3ÎóGô89:;<,À2¾§675 +O8,m+.-。12rWXÜ¥s 9â5¿8,¸ÊËÖ×ËÛmäªA«¬ 3.-ê 5.08%。êò=>Ü¥12§6 2¾35¿。êcÖMN@An2¾.- 5¿7WX.-Ü¥s12Ö-_2¾§6 8d Ð 3 t u * O ® ¯ K N ° e J * O 5¿38,¯I.-ê 0、5.08%、 &±。 5.18%、5.86%3 4%·¸122Ð#ê;<zë。 2ÐICup 2。 1 /0%1 Y2¾4,Ö8,N°,wmò,-.- 12ÎóGôÖ89:VW;<,ªAÀ;< e ,¼íò12.-81232¾4
240 & ' ( ) * + , , - ! 30\" °ß6ãä,íÌ,®Lý°ÁíÌ3ß -£6 8¤5¿;.-ê 5.18%7 5.86%9,4 - 8ý°®LC¨ Sw,;³8à³ë,2¾3 4 -8ý°ß6ãä5¿íÌ,+áý°r® L~q³êß -£ -ß68¤6。 ' 2 BT}~ @ 1 YZm ABs] Fig.2 Rocksamplepreparationflow Table1 Testdataofuniaxialcompressionofsandstone 2.2 withdifferentwatercontent í TAW -20002¾Ï<Yz 4%.-12 .- /% σp/Mpaσr/Mpaεp/mm εr/mm E/GPa tp/s t/s 2ÐD/ÎóGô;<,Eíó×ÝG3mµ,w| 0 85.48 74.62 1.26 1.28 178 64.18 65.33 ónÝGê 0.02mm/s,2Ð。í SH-II89:EÏîD/2ÐÝ7xu-89 5.08 61.51 41.26 1.40 1.49 89 71.20 74.70 :VW;<,`xwØv`;2ÙjÚ¥,À 5.18 49.32 42.23 1.78 1.83 73 90.33 92.86 2Ð359â5¿。TAW -20002¾Ï<YJ 5.86 39.18 19.32 2.01 2.23 49 101.90110.00 SH-II89:EÏî$3;<Ûp 3。 ' 4 YZm ABeU -eK| Fig.4 Stressstraincurvesofsandstonewithdifferent moisturecontent ' 3 QR 3.2 BJXMN Fig.3 Experimentsystem 2¾§6Ørâ4#ís®¯ãà38 3 #$*+',- ¤ä9¯,Õ¡7Õ43³ë。åüæý[13] 3.1 eU -eK| =>ê:2¾8¤xu3§65¿ê ,-.-12ÎóGô;<e 1,+ 4®LÖ®_ÛC;®á8J2¾®L§6¨ y:σpê2¾ÎóÉGË,σrê2¾ÜÝË,εp ê4û1®á9z38,εrê2¾ÜÝ ²þ,®_4çÄ78ÜzJ®_ 8,Eê2¾3£6â,tp ê®á4Ý79 ~,t êCÝ79~。4 -8ý°p 4。À §6¨¤þ;µ(1)ê2¾§6·ûµ, 1Öp 4;<e,0;12rÎóGô#ís Þò£68¤、ß68¤7 3Xãä,,-.- µ(2)、(3)¯ê4®L、®_§6·ûµ。 12ÎóGô;<34 -8ý°ª«þÿ。 Ù.-3ÜÝ,12ÎóÉGËñòßà,Ø B=Bd1 +Bd2, (1) 8ñòÜÝ,£6â(E)ñòßà,ØÝ79~ Bd1 =K1lgεp, (2) ñòÜÝ。.-ê 07 5.08%9,4 -8ý Bd2 =(σσp -ptpσr)·(εrε-ptpεp), (3) µy:B———2¾§6·; Bd1———2¾®L§6·; Bd2———2¾®_§6·;
! 3# Puv,ý:,-.-12ÎóGô35¿ 241 K———Ä,wv K3\\3rcè Bd1þz Ö 5.86%9,r12Ý7ý°Gãäø®¯î Bd2þx+ì Bd2éÕ#íêá。 # δá,ñí'92¾]Cø®¯îx×5, z1259â Iãä;2¾Ý7ý°£6ãä δ µ(2)Ö(3)û§6·83õ,- áÜ+,3á¶à,z2¾]C59â IIãä。 ,Bd1áÜ+ë§6ßì,Bd2áÜ+ë§6Ü Ë,¶èíÂî° Bd1Ö Bd2z§6û38。 Uí2¾®á8J§6²þ36,vv®L §6·ûµ,+: B′d1 =lgKεp。 (4) ¦eFG[13]rÿ,¼ Kê 259,B1d1J Bd2ê -°,îA Ká|ÄÂï。ð Bd1、Bd2î°8 _32¾§6·á B′,+: B′=B′d1 +Bd2。 (5) 1eëµ(3)~(5)yr0,-.- 12§6· B′á, 2。À 2þe rÿ,.-0|,B′á0#,ñí12Ù.- 3ÜÝ2¾§6ñòßì。Ù 1y εr38rè ¹;,r2Ðþ-9,εrÙ.-3ÜÝñò Ü+,2¾ß6ñòÜË。 @ 2 YZm ABX/ Table2 Brittlenessindexesofsandstonewith differentmoisturecontent .- /% B′d1 Bd2 B′ 0 0.40 0.12 0.52 5.08 0.27 0.11 0.39 5.18 0.16 0.07 0.23 5.86 0.13 0.08 0.21 3.3 _Wa ' 5 YZm AB δ-eU -fgCK §62¾r9®¯359ÂêÊn Fig.5 Stressenergyversustimevariationδsandstone 5Öx5,89:J δØ89:òpR( withdifferentmoisturecontent 9~J¬3Bá,Îê s/dB。++àëò2 ¾rGôxuy]C®¯3Dw。¶# δáz x5,Þ¶| δáznÊ5[14]。,-. -312ÎóGô;<89: δ-Õ -4Ù 9~38µp 5¶·。 Ùp 5rÿ,12]C59ârê 5Xã ä:I5Gãä、II5ö¯ãä、III5óA ãä、IV5_`ãä、V®_ãä。¼.-ê 0 Ö 5.08%9,Ý7L#,89:ôa¶êôõ、 ¶|,δáϸ|#ö÷,°|3 AEÕ ,ñí#.-12rÝ7ý°GãäÞ ò59â3 IÖ IIÛXãä。¼.-ê5.18%
242 & ' ( ) * + , , - ! 30\" ¼.-ê 0312Ý714®áL_,δ 4 * . á´Ü_©,2д;³CnÊ,ù;³~q x、{。2ÐL_ δáú8¶+, (1)Ù 1 2 . - 3 Ü Ý,2 ¾ Î ó É G Ë ñíÊ«Jxûê2¾E÷。2¾x ñò©#,Ø8ñòÜ+,§6©#,þu _ù.®¯Ê«,µp 6a¶·。 ñòÜÝ,4®L8¤6Ùß -£68¤ñò nß -£ -ß68¤xá。 ¼.-ê 5.08%9,4®áü δá¶#,AE ï÷¶|,'92¾]C5èx5_`õÊ (2).-¶|9,12;³òß6,ß6 Ë,2¾®_ãäýÞònÊ -xÝA。 ãä59â³êx5ê9,nÊ5ê#, þCÿ¶à,~q¶þ。µp 6b¶·。 u9/$,|.-12nß6ÝB ò2¾3þu。 .-ê 5.18%Ö 5.86%312r59â IVãä9,|# δá¦,è# δáê9,ñí (3)12.-3ÜÝ,ªóò5ö¯u, .-¶|312rß6ãäx5¶·,!¯ ô%ò5&'_`ãäxu,9¤µÙx Ê«5。 xáên -ÝA。 .-ê 5.18%312r4®áü δᶠ(4)Ù 1 2 . - 3 Ü Ý, 4 ® _ 8 9 : #,3Õ¶|,ñí2¾]Cèx5 ôaÜË,ÜÝË©#,þuÜÝ,zM±: ê9,2¾_ δá´Ü_©,2¾]Cýò ;2~qË,U。 ènÊê93ÜÝ,dÐ2¾ÅÚÆ\"Ä,µp 6c¶·。 \\u+.: .-ê 5.86% 312r4®áü|# δ [1] Ú',( ,) *,ý.Îó76s,-.-124 á¦,2¾]C59âÒÔèx -nÊ ,Ö+â,:5¿[J].y-+,,-(WX),.),2018, ÝA_`,3ÕÖ AEmðr®_;³® 49(5):1189-1196. á,ñí2¾r®_59âuÜ|,ÜÝË© #¬+,þuÜÝ,®_¤µ·êÊ« [2] Ë,/01,2O3,ý.-2¾-{Ï<74,56 ,µp 6d¶·。 =>[J].EAJztu,-,2011,28(2):236-240. ' 6 YZm ABCMd [3] 4D\\,L´5,?v,ý.-z1267Ë Fig.6 Breakdownofsandstonewithdifferent ±²3Ï<= > [J].2 ¾ 4 , J t u , -,2013,32(8): 1625-1631. moisturecontent [4] ZhangDC,GamageRP,PereraM,etal.Influenceofwatersat urationonthemechanicalbehaviouroflowpermeabilityreservoir rocks[J].MultidisciplinaryDigitalPublishingInstitute,2017,10 (2):1-19. [5] äÊ,/k7,2O3,ý.BCA2¾-{6×ËYN7 Ëö56=>[J].2ptu,-,2012,34(9):1636-1645. [6] à,P |.,-.-Ü¥1267Ï<=> [J].-FFtuF,2017,44(1):110-115. [7] Ë,?,D,U8,ý.ÎóGôs.-12Ë7 89:5¿[J].EAJztu,-,2013,30(5):717-722. [8] nz@,P9*,n:],ý.,-.-;<128 9:56Ï<=>[J].Fs}~Jtu,-,2017,13(3): 591-597. [9] ,= >,n:],ý.-z<12òxu±² ;<=>[J].A®M'JUí,2017(1):22-28. [10] |M,?>?,?@,ý..-@Ðxuy389 :7 ¤ 5 6 = > [J].E A J z t u , -,2015, 32(4):665-670. [11] ? Ñ,AZB,?CD,ý.-2EA#ízö2:;8¤± ²3áâã[J].zJ,-,2016,16(5):146-150. [12] kFe,G,H,ÚIJ.é12øóGô8¤35¿ [J].&'()*+,,-,2017,27(4):392-395. [13] åüæ,KQD,éLM,ý.,-.-E÷sNO2§65 ¿Pê·=>[J].tuF,-,2020,28(1):29-38. [14] Ë,2 Q,é^R,ý..-zGIz¾2S12 T85¿±²Ï<=>[J].EAJztu , -,2019, 36(5):1034-1042. (-v ¡ wx ¢£¤)
! 30\" ! 3# & ' ( ) * + , , - Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 2020$ 05% May2020 ,UI@Vp2;3ä#íYI §ii, ìíî, ïðñ, ò ó (&'()*+, AJtu,U,RST 150022) ! \":©Nôeõö3j÷ømn4ù°±,ëú*¹ºûOüÆýþÿôeõö34 h!û8ÓLh!\"#84,$%*û6&'(ôeõö3ù4h!)=µ。 fghi,û6)=è*ÐÑ+,h!-.9/0,wx123!bc4M4)=,· 56(ôeõö3ù,&'7(89:;ô<÷ømno=ù>q、ôù?@а±。 #$%:ôeõö3;û6;h!û8Ó;ù;h!\"#8 doi:10.3969/j.issn.2095-7262.2020.03.003 &'()*:TD946 +,-*:2095-7262(2020)03-0243-05 +./01:A Surfaceactionmechanism behindelectrochemistry inhibitingcoalseriesclayrocksliming LiMingming, YinYuqi, LüYuting, KangHua (SchoolofMiningEngineering,HeilongjiangUniversityofScience& Technology,Harbin150022,China) Abstract:Thispaperaimstoaddresstheslimeofcoalseriesclayrockincoalprocessing.Thestudy involvesinvestigatingthevayingrulebehindthesurfaceelectricalpropertiesandsurfacewettabilityof coalseriesclayrockunderdifferentpotentialgradients,andanalyzingthesurfaceactionmechanism of howelectrochemicalactioninhibitescoalseriesclayrocksliming.Theresultsshowthattheelectrochemi calactionenablesbothareductioninthedegreeofionichydrationandpercolationontheparticlesurface andadecreaseintheinteractionbetweenthesolidandliquidinterfaces,providinganeffectiveinhibition ofthecoalseriesclayrocksliming.Themethodisavalidsolutiontoslimeadhesionandnotoriousslime settlementintheprocessofcoalwashing. Keywords:coalseriescrayrock;electrochemical;surfaceelectricalproperties;sliming;surfacewetta bility 2345:2020-04-14 6789:&'(?Ìr)|qYr)=JstWX),DWâ[\\(Hkdxp201901) :;<=>?:?íí(1976- ),e,XY?¾VZj,[kl,]^,=>mn:\\Î@*O,Email:824991693@qq.com。
244 & ' ( ) * + , , - ! 30\" m2ÆW|Z。 0 ! \" 1.3 q iØ@ a \\ Î | s U í 3 b ] * O,2019 (1))*ûO+[13] $`U3@ai^B_û 71.2%[1]。`U@a i è Ñ H ê 9 ,` i x u y ! ¯ @ V p 2 (a ¡¶ê 0.5g3Vp2ÏÐ 2,¯Ý ¾)3;¤ + b c © @ ; -。b c © @ ; -ìi@ d - e ,d Ð i # J É q¢ê 10mL3,-}y(0.01Ö f©#è 7 f @ ® g é h i,j O 9 k hi7 l m ï » ý ® ¯ 。[2-3] n ',¼ ½ s 0.1mol/L),` x 4 [ È ,@ I UI@V p 2 ; 3 * O,¸ b ] R n o @ ; -bc©® ¯,z @ a 3 p \\ ¯ ® J | s U í Á 0.1mol/L3,|Zf?|, OÂÃÄ。 -9Ý_ pHá;};<;è Vp2;UI3®¯,U]â,T3= >9Â$qÛXmä:VpUIr3=IÖ, ÝÖ¶W pHáêezyÉ üN*O。+y,VpUIrr¾sDEýt¨_ ¶0¶u3ís§,3r@a`iy3;UI Öy ΓH m,X_è pHáê s§,ÌÍ [4-8]; , * O r V p D ö 2 Ý v ü ·、ΓH ê6·,oI ΓH -pH3p,+ PTý Nmä_¶0¶u3s§,3rVp2;UIm °;ÛEý°þöü¶z3·á+êáÏÐ ä=>¶î[9-10]。\\L,,*Ori@t¨3 í9ÂÏyr@;-üNmä,+@Vp2; 3èP PZC,¦eöPþ36· ΓH á,ùµ _c©³ H m ä [11-12]。 S T E í , m H ü N@wU¾DVpö2,¹0ò¶u3UI; (1)mu6 σp。 s§[13]。r'YPR,z,-,E÷s@w U¾DVpö23ä6ÖäxÑ68 σp=-FΓSH, (1) À,¼v,#íUI@Vp2; 3ä#íYI,¼½¸b]RnoVp2;z µy:σp———u6,C/m2; @a`ixuyG;y、@;-bc©®¯。 F———FaradayÄ,C/mol; 1 # $ ΓH———ÉÖy,mol/g; S———ÏÐBä¢,m2/g。 1.1 ST}~ ;<¶íÐgê@Vp2,¶W`fúz@ (2)ζûOLÊû,A @A@ÂÆ{,ÌwU¾DVpö2。:AL# Eí JS94Hw× ZW|ÏÐ3 ζ,è ¼ ½ 6 ; <,? | , ; < E ÷ ê A | } 40g/L,n } (CaCl2)1.0mol/L,ü N 9 ~ pHê·,ζê6·,oI,- pHE÷s 4h,` x ~ 8 (0.5、1.0、1.5、2.0、 2.5V/cm),IC , - E ÷ s 3 V p 2 Ï HI3 ζ-pHp,ζêè9¶z3 Ð。,üN_ùGº、H2O2 üN、c© üN,í67äxÑ6JWÏ。 q pHá+êÏÐ3ýP。WÏE÷ê Ag 1.2 ¿,pH á 0~14, z 0.1, ¿ ¿ 6 x Ú # ;<QWI n ; < Û ,FA214 V Î, 2100/3CPropH m,85-2 4 [,WDDY - 700ms,0.01mol/L3 NaCl&±n。 2008Jw | Z,JS94H w × Z,JC2000B (3)h-./A ¡¶ 3gVp2ÏÐ,r 30MPaG4s,Ï ÐGIÎ~WÏÐ,rxÑ2ÆW |Z3˧y/ü,ìí×:[r8mn ó×}-3;,r+;1}ã亻 ê,ijv2~3ê#êÀp,íÆH WvÔääxÑ2Æ。 2 *+'5. 2.1 (σp)(PZC) VpDAä¶6° rêu6 Ör86。u63®¯ÙA¡½¤²6 q,΢¶Ð(µ¡½y£Éé#ê£É¶ ë),'D 6 ° ê ² 6,ý é ¡ ê : ¤ 6, +63+à¶o6΢q3¢u 。r86ØAHIäJÉ9¯,-
! 3# ?íí,ý:,UI@Vp2;3ä#íYI 245 u3,¥¶Ð,µÖy、¶ëÖÉý,+ Ù;<:§rÿ,K|rèìVp2 σp´ 6+à¶oÉ%DÖ}。@Vp záÌÍ©#。üí,#írèsßìw 2yÄ3VpA9Â|¾D、¦§¾DÖ U¾:¤6z¡$Q~-£É3mÖ wU¾D,wU¾`Ĩ 1/43©ÉéªÉ 4,ÊËR³êrèsUI@wU¾DVp ¶ë,J¦§¾、|¾ýVpAþB,+ σpáþ ö23 ® ¯ - , Þ r ã + u R U I + “Ö z¶+[14]。 -—±²—\"n—ð”3;u。 Eí«|Hz¬,üN@V ' 2 ¦§x Q¢B PZC σP C¤¥ p23èP PZCÖ σp W|,oI@Vp Fig.2 EffectofvoltagegradientonPZC andσP of 23 ΓH -pHý°,p 1。Ùp 1rè¹;, Ù pHáÜÝ,ÛEý°¦¨s©ª«,pH clayrock áê 1.659®¯°öP,+áVp23 PZCá ê 1.65;Uíµ(1)m;áVp23 σp áê - 11.49C/m2。Ù'r,@Vp2HIä +3u²6,üì+ä7VpA¡Â~ µr¶Ë3ÉÖyÕ4,dÐVp2Á¶Ë3 ä-7®¯-Õ4,r°|uR°V p2“Ö-—±²—\"n—ð”3;u,üØ @wU¾DVpö2r-yʳ9¯;3Ln Q°。 2.3 榨© IEP Uí× Zz¬,üN3@Vp2 3 ζW|,,- pHE÷s3 ζµp 3 ¶·。 ' 1 Q¡¢BC PT| Fig.1 PTcurvesofcoalseriesclayrock 2.2 V<£x σp PZCC¤¥ ' 3 Q¡¢BC ζ¦| Eí«|H«ò,-s@ Fig.3 ζpotentialcurveofcoalseriesclayrock Vp2 σpÖ PZC38,:§µp 2¶·。 Ùp 3rÿ,¼ pHár 1~99,@V Ùp 2rÿ,Vp23 PZCÙ3(| p23 ζÙ pHáÜ+¨«ßફ。 ¼Vp2 ζê 09,ý°ö pHáê 1.9ü, Þ¨R(ª«,¼( 2.0V/cm9,PZC +Vp23ýP(IEP)ê 1.9。Ó»Ü+ pH,ý û1Ò+á 3.2,σp´zá38ª«JLTþ¥, °3 Yáü²áÁ,íVp2HIä ®áü σp3´záû1Òàáê0.67C/m2,Ó» °|3²6,L5¶Âê£ÉÖy。¸·° (|,PZCáD ßà,σp ´záñòÜ ÆÀ0;,Ù pHáJ H+}¨²þ +。Ù3K|,q3n¥ 8,¼ H+}©#9,Vp2J-Ô䶤 Ý,Vp2$9¯òÌÍ8,dÐwU¾ Aþz.ÙK|¨Îµ8,»ì r;<ÏÐ σpÖ PZC¨³p 2y38 。[13]
246 & ' ( ) * + , , - ! 30\" 3þ¸,þÜ+,dÐHIä ζ pö2 ζ3±²ÃíÌ,+´zᩬÌÍ, ;³ßà³ë。Vp2¦¹ðrÍ-y,W0 ÀXdÐ+ÉÖy7É-6Õßì,ì+; - pHáê 8.2,ä ζê -52mV,íá u01sUI。 Vp2äÁ|²6,Ü+HIäJ 2.5 V<£x@ª«¬XC¤¥ y-£ÉQ~3m#í4,ìVp2ä¨ ³;¶Ë3-6Õ,ü°:§J@wU¾DV HIä-6Õ,çÖHIJÔä6 pö2º-³ð;þ°Ð。 ,ÄJHIäxÑ6xþ。;<« 2.4 V<£x 榨 IEPC¤¥ ò,-üN_@Vp2äxÑ2Æ 38,:§µ 1¶·。 Eí× Z«ò,-s@Vp 2 ζÖ IEP38,:§µp 4¶·。 @ 1 YZ¦§®c Q¡¢BC@ª«¬¯°± Table1 Contactangleofcoalseriesclayrockunderdiffer entvoltagegradient /V·cm-1 0 0.5 1.0 1.5 2.0 2.5 2Æ /(°) 20.0 22.5 27.0 36.5 41.5 39.0 ' 4 ¦§x Q¡¢B ζ¦ IEPC¤¥ Ù 1rÿ,¼ê 2.0V/cm9,2 Fig.4 Effectofvoltagegradientonζpotentialand ÆêÒ+á 41.5°,Ó»K|,2ƶ ßà。HIäxÑ2Æ38ØVp2HI— IEPofcoalseriesclayrock - Ô ä n 4 + à 9 ¯ 8 3 : §。Ù F G [13]rÿ,K|zVp2HI3/5: Ùp 4rÿ,Ù pHá3Ü+,¶ ¤5¿®¯°|±²,µßà/53Bä¢、Øq ,üN_Vp2 ζ¦Ù¤áñò7ê²á,õ ¢,è7K|/5:¤ðuý,üßàvÔ ¨Î³±ßª«;,üNL_:§Bzr ä3þû#í4;¦e 2.2Ö 2.4=>:§0;,V è0;,,üNÕ6ÌÍK|Vp23 ζ p2HIäxÑ638Ø+Ôä6Ö/5 Ö IEPá,+±²: 2.0V/cmê8 :¤83ÊËq³,,#í~8ò@wU 7»P,+á¸à1+z3 ζÖ IEP ¾DVpö2HI3äxÑ6,ì+-、;6 8êÙ¤1²;¼ pHáê 79,Ò¼ Õ01UI。 sVp2 ζ´zás©ò 88.5%,IEPáê 3.4。¦e:§À,-z@Vp2 ζ 3 * . 7 IEP±²3Ln:3K|ÜËò q3Ö½a4,Ü+òy¾É Ca2+3¿ (1)@wU¾DVpö2Á¶|3u a,Ý«ò Ca2+JvÔä32,ÞK| 6、ζáÖ¶#3äxÑ2Æ,üØ+ òÉö,ì0HIä3 ζÖ IEPÜ r-y¨³|ð、³;563Ln。 +;·°mä,ä$8Þ5,Ü+ ì0n¥Ý,¶®¯3ÀX~8¥ (2),üN_@wU¾DVpö23u q$,ÐìVpA.þzs©,Ù¥3 6 σpÖ ζ´záÌÍ©#,èP PZCÖ ,Vp2 ζÖ IEP¶®¯3ômsÁÝ ýP IEPÌÍK|,í+äÉ-Ö®¯- ÂÌ[13]。ªRrÿ,,üNz@wU¾DV 01¶uUI,ÞrèsUI+;u。 (3),üN_@wU¾DVpö23 äxÑ2ÆÌÍK|,í,#íÕ6s ßìHI—-ÔäQ~3þû#í,Þrè û1sUI+ä-3\\3,ì+;u0 1sUI。 \\u+.: [1] ? k,ÅÆÇ,?È+,ý.@;-üNmH=>/7
! 3# ?íí,ý:,UI@Vp2;3ä#íYI 247 9/ª«[J].i@*O,2020(1):1-5. 46-52. [2] K É,Ê5,PË3,ý.|;@;-Ì-Í'c©Ï [8] 2Ç.a¾;UI37YN=>[D].YZ:yUA <=>[J].@a,-,2014,39(12):2057-2513. J+,,2014. [3] ZhangM Q,CaoYJ,LiuQ.Influenceofcontrolleddispersionon [9] OuCY,ChienSC,WangYG.Ontheenhancementofelectro therheologyofswellingclaysuspensionsinthepresenceofcoal osmoticsoilimprovementbytheinjectionofsalinesolutions[J]. flotationregents[J].PhysicochemicalProblemsofMineralPro AppliedClayScience,2009,44:130-136. cessing,2017,68(11):763-768. [10] SuJQ,WangZ.Thetwodimensionalconsolidationtheoryofe [4] GholamlR,AadnoyB,FoonL,etal.Amethodologyforwellbore stabilityanalysisinanisotropicformations:acasestudyfrom the lectroosmosis[J].Geotechnique,2003,53(8):759-763. CanningBasin,WesternAustralia[J].JournalofNaturalGasSci [11] <Ö×,ØÙ,PÚÛ,ý.,üN@;-c©56 enceandEngineering,2017,37:341-360. [5] WuYP,WangZH,YanZ,etal.Poly(2acrylamide2methyl 3=>[J].yUAJ+,,-,2010,39(4):753-757. propanesulfonicacid)modifiedSiO2 nanoparticlesforwaterbased [12] K Ü,Ê5,PË3,ý.Ý'Hr@;-c©y3 muds[J].IndustrialEngineeringChemistryResearch,2017,56 (1):168-174. í³Ü[J].\\Î@*O,2014,20(3):16-19. [6] DuW C,PuXL,SunJS,etal.Synthesisandevaluationofanovel [13] ?íí.z@;7+,UI#í=>[D].Þ£: monomericamineassodium montmorilloniteswellinginhibitor[J]. AdsorptionScience&Technology,2018,36(1/2):655-668. Y+,,2017. [7] K Î,Ï Ð,D Ñ,ý.Ì-~6#£É'Ò [14] ÊÎ.VpAJZÌÉ#í=>[M].Yß:¾st ÓÔÕUIr3IC76ÕPê[J].|`-,2017(5): J;.à,2001. (-v ¡ wx ¢£¤)
! 30\" ! 3# & ' ( ) * + , , - Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 2020$ 05% May2020 ÝrzAÈÇ\"|a563±² § H1,2, dIJ3, §KL2, »M(1, NOP1, QRS1 (1.&'()*+, AJtu,U,RST 150022;2.yUAJ+,(Yß)ÕbJAJ,U, Yß 100083;3.áH@JÏÍÀâåã àä@A,fg á 112700) ! \":©NôTUVW²oXY|ZÂI[-UV\\]^8_、\\]`abÝ$c Ld\\@Ðef4°±,²=^ÙÆghiDE&'A 4jUV\\]4^ÙÆÄ9^ÙÆ ghi,²=^78DEAk`j^78。DEfghi,4tUV\\]olmn DFo É) 0.045%,pqrs\\]`lmtuve4wx8,yn SToÉ) 0.009%,è*j\\ ]ve`®zz{4|}\"~L+,$-)=,lmn DF_yn STjdeº)=ÿ pqP UV\\]4^Ù8,rskI^8,è$c@Ðef。4tU V\\]j$oÉ{)ç,è= XY|ZÂI[-UV\\]4fXY。 #$%:kn;^ÙÆghi;^78;UV²T' doi:10.3969/j.issn.2095-7262.2020.03.004 &'()*:TD823 +,-*:2095-7262(2020)03-0248-07 +./01:A Effectofadditiveonfluiditypropertiesofminefillingslurry LiTao1,2, GuanChangguo3, LiYaohui2, ShanQiyuan1, ChenWeixin1, GongXianhui1 (1.SchoolofMiningEngineering,HeilongjiangUniversityofScience& Technology,Harbin150022,China; 2.SchoolofEnergy&MiningEngineering,ChinaUniversityofMining&Technology(Beijing),Beijing100083,China; 3.XiaokangCoalMine,TiefaCoalIndustryGroupCo.Ltd.,Tieling112700,China) Abstract:Thispaperisanattempttoaddressthepoorrheologicalstabilityoffillingslurryduring largefillingtimeslineandlongdistancepipelinetransportationunderpumppressureincoalminefilling miningandtheresultantfillingandplugging,duetointernalstratificationoffillingslurryandsettlement ofcoarseaggregates.Thestudyinvolvesmeasuringthefluidityvalueandfluiditytimelossoffourgroups offillingslurryusingfluiditytimelossexperimentmethod,andtheinternalrheologicalparametersusing rheologicalexperiment.ExperimentalresultsshowthatthecontentofsuspendingagentDF(0.045%)in No.4fillingslurrycouldensuretheintegrityofthenetworksystem;andairentrainingagentSTcontent (0.009%)couldplayabetterroleofballlubricationandparticleseparationinslurrysystem;andsus pendingagentDFandairentrainingagentST,withthesynergisticeffectofthematchingrelationship,en ablesasignificantimprovementinthefluidityoffreshfillingslurry,reducingthefluiditytimelossofslur ry,ensuringthelongtermrheologicalstabilityoffillingslurrywell,andavoidingtheaccidentofplugging pipeduetostratifiedsettlementoffillingslurry.ItfollowsthatthecontentofeachcomponentofNo.4fill ingslurryprovesthemostreasonableandcanbeusedfortheapplicationwherethereisaneedforthe largefillingtimeslineandlongdistancepipelinetransportationunderpumppressureoffillingslurry. Keywords:additive;fluiditytimeloss;rheologicalproperty;fillingmining 2345:2020-03-28 6789:&'(?WX),YZAd[\\(LH2019E119);2018$&'(??Ìr)|qYr)=Jst[\\(Hkdcx201801) :;<=>?:? å(1985-),e,fg?Þ£j,æç,è^,=>mn:AyéêDE*O、AyG4JHI,Email:little6511945@ 126.com。
! 3# ? å,ý:ÝrzAÈÇ\"|a563±² 249 0 ! \" 10XÈÇ1,Ï 8min.D12,ÈÇ\"|, Aí 80min。ÈÇ\"|rñà]¿u9~ÖlN9 AÈÇEAHØAyéêDE3÷/*OQ ~Aí 115min,Ì´w3zIÉÈÇDEâµ, °,Õ6snoa¾f、A§Fë´Ö “ø z\"|3a67]r856K;ò¶|Âï, s”E@®¯,ßìA§¯¥hi、K|òíb>Ù \"|HIrñày,Õ9¯Â、c©ÖÝ:,3ð 、ÜÝAî ï s ð。 e þ F G [1-5],È Ç k È Ç \" | ò ñ ï »[9-12]。 ê ò M È Ç \" EAxuyÈÇñà3òñï»9,fó»ôí |3z#8{|6,ÂÃÈÇòñï»39¯,D Âãz39~r7¶+3ïõ,êI¨È /ò|}.:ÈÇ\"|@B;<、a;<Ö ÇEA*OíJ9/3ö÷。³ëAyDE¨ q856;<。 +wª«,ÙA-°-ÎE()§î3ª /,ÈÇEA y ø ù + ú ° z I É È Ç (è s ¡ z 1 #$67 IÉÈÇ)ê9Â9/ª«。 ÈÇ\"|856½\"|}、.Ý!\"%D zIÉÈÇ\"|rÈÇñà]¿uÖlN9~ 74、<@-4、Ï\"3HI¤Ü76、 z,ÈÇ\"|t$~ø³9¯N,¥,Ðì Ï \" 3 I Û @、@ I Ç J t 5 ý n Ø 3 ± \"|rÈÇñà]¿uøÁ¹º6,\"|3z# ²[13]。;<0 ;,a ¾、< @ - | } . : È Ç 8{|62o|ÈÇñà»ô()、ÈÇs7 \"|Ò¼}ê 70.2%,+y,-;、<@-、 s§。,TûäzIÉÈÇEA*O,-=>]Ê @a¾、-3^B¯ê 12.0%、19.5%、38.7%、 üò°ý=>,4ëË[6]EíáâãmHz,- 29.8%。ÙÈÇ\"|rñà]¿u9~z,t$ }ÈÇ\"|rñ°Øz 2568m、| 808m、ú ~9¯]C¥ÐìÈÇ\"|¿uøÁ¹º ° 3.1783ÈÇñày3aGË、7È75 6,ç~8t$4bèû1\"|3z#8{ 6 á â ã,0 ; È Ç \" | Ò ¼ } ê |6。»Ýr DFJ6r STA-#í 72% ~74%9,AyÈÇñàîrz、ï、Î ÈÇ\"|,ì+¾¿zIÉÈÇ\"|3¦6 {3¿。YF[7]z£@AÈÇñà 2700m Öa63Âï。ST=>r DFJ6r ST z3a¾IÛ@=>9³,IÛê 0~30μm3 Ò¼@B77T8-#íYIzÈÇ\"|a a¾HIJ\"|3ËVÖ x4þ6Ò 9 、 9 8 7 8 5 6 3 ± ²。 Ë,z\"|86Õ±²Ò+,2、3!\"ya¾I \"|@B;<,i| 4$Áë634@B Û@øÝAN,Mòñàþùxuy\"|z# À,µ 1¶·。 ¥3{|6。dÿ[8]Y HB8âwÖ! \":¤N°,¤vò9863¾G#1ÿ$q @ 1 ²³´(µ¶ 8âw,¼>¾G#1ÿ$qr 3000mzIÉ Table1 Proportionofcomponentsofslurry ñàþùy39856,0;¾G#1ÿ$qz IÉþùè{|Ü¥3%4møïA % N。þ=>¸,-mä¼>zIÉÈÇ\"|3 a6®¯,3¬¸¦rRnoÈÇ\"|z#8{ $¯ -; <@- @a¾ - \"|} r DF 6r ST |6®¯7zIÉÈÇ\"|þùy3òñ®¯。 1 12 19.5 38.7 29.8 70.2 0.035 0 êK|íb>Ù,>E&'(ÿ§smG) 3@aíb,µEíjî3*ĵEAmH,ÀXk 2 12 19.5 38.7 29.8 70.2 0.035 0.004 Æ{*ÄÖFë´,+7F&'v,7(ÿ z。èXYúAê=>zë,áAEía¾、<@ 3 12 19.5 38.7 29.8 70.2 0.035 0.009 -|}. : È Ç E A m H z “ø s ”G @ D E。¶DE@Â/µB 800m,F0 4 12 19.5 38.7 29.8 70.2 0.045 0.009 sÈ Ç F P Ø z ¨ 3800 m,è \" | Î ¦ 1.8m/sm,\"|rñày¿u9~¨ 35min。> 2 89:;<=>?@AB Et#äÈÇEíäÈÇmµ,rt#䦹 2.1 ·¸f¹º 2.1.1 ,- a·$q9Ä、./Ö:。;<
250 & ' ( ) * + , , - ! 30\" íÈÇ\"|a6u,Eí./¢\"|3a 2.1.2 ,-BC ;<W0 4$\"|,-9~./á7./ ,./á0+,\"|a60u。e《-;. Ø9µ 2¶·,+yØ9ê t0-t4。 1aW|mH》GB/T2419—1994,z 4$ÈÇ \"|,-9~./áW,µp 1¶·。¦ e./ámþ39Ö9,m @ 2 ²³YZfgC»¼ Table2 Expansionvaluesofdifferenttimeofslurry mHµs: Ljt=(Lt-L1t--1Lt)×100, (1) $¯ t0 ./á /mm t4 t0-t4 (2) 1 108 t1 t2 t3 72 36 Ljp=Lj1 +Lj2 +Lj3 +Lj4, 98 90 82 4 2 110 101 94 87 78 32 µy:Ljt———! t-1! tXWÏP3./9 ; 3 124 119 117 114 109 15 Lt———! tXWÏP3./á; 4 121 114 109 105 99 22 Ljp———Φ./9。 WÏP t0,t1,…,t4 zWÏ9~ê 0、30、60、 Ùµ(1)、(2)mr0,./97 90、120min。 Φᵠ3¶·。 @ 3 ²³YZfgC»¼¸f¹º ¾n¿À Table3 Timelossrateandmeanvalueofexpansion valueofslurry % ./97Φá $¯ Lj1 Lj2 Lj3 Lj4 Ljp 1 9.3 9.7 8.2 8.9 12.2 2 8.2 6.9 7.4 10.3 8.2 3 4.0 1.2 2.6 4.4 3.1 4 5.8 4.4 3.7 5.7 4.9 ' 1 ²³»¼½¸f¹º 2.2 ÁÂà DF¨ÄÅà STÆZ<£Ç} Fig.1 Totalexpansiontimelossofslurry r DF3#í:r DF;¨\"Ü: ¤¦¹rÈÇ\"|q],Öy-; - ×ÍýHIõìQþû2¤\"<, 1%è、&=>Ï\"nO4Þc©3#í,û1ì\" |HI¦3s§,K|ò\"|þùxuy3 ~qa。r DF;3Öy;2#íì \"|3ËV¶ÜÝ,¸,ßó\"|]3- ;-ÖÝ:u,ÈÇ\"|3aØ9 B¶+,zIÉÈÇ\"|yøÝr?kÈ Çòñï» 。[14-17] 6r ST3#í:6r STØ°%@É äô6r,ST`x~83än4、HI ä6、äVè76q3¯x6;³AÖ {ABÕ,ST3]r#íYNrí6A3、| nÖy、{A#íÖHIÉ#í 4Xxu;³© #ÈÇ\"|:3Bs。6r STìÏvmCÈ
! 3# ? å,ý:ÝrzAÈÇ\"|a563±² 251 Ç\"|®¯DX 200μmès3{|¦¸û, AFM).: r ° ,Ý ' } ~ · / \" ½ Ü Ý . : º`3. 6 × 6 A,ü ý 6 A r \" | 3 、¿ ¤,-¥dÐ\"|q]WÙ-ßî,ËV þ、2,xuyEFx#í,~Gò\"|rñà ÜÝ,kÈÇ\"|./Ø9ÜÝ。n þùy3~qa6[18-21]。 ',HI\"|y3-;-uØÜÝ\"|3./ ,ßî./ Ø 9 3 h ® ¯ Q ° [22-25]。 ×6A|nÖyÈÇ\"|]-;-×ÍH 4$ÈÇ\"|3$4y,nr DFJ6r Iä,ìHIä¨6A3²66,-%6` ST34,-dÐas§,-,»r DFJ xmH4ìHIþûÉ,µp 2a¶·,IÉ3 6r STØ~8ÈÇ\"|a63h¶r。 ÜÝßóò-;-!\":¤3Ý',Ußà \"|3aØ9。3µ§ÈÇ\"|yø 2y 4$ \" | t0 9 Q 3 . / á f R: Ý6r ST¨r DF4,¿9,6r ST 3$ >4$ >2$ >1$。! 3$ \" | y Ý ò 6AÖyGHIÙà\"|ÞR 0.035%3r DFÖ 0.009% Ò·36r ,>Ï\"sc,ì\"|]C®¯Âc©,µp 2b ST,r DFrÈÇ\"|]¤v\"<q,6r ¶·,røG#ísGHIé,ðI;,>Ï\",ð ST×6Ar\"|3、¿þ、2,xuy1E Ï',³kÈÇòñï»。»r DFJ6 Fx#í,»L 3$\"|y t0 9Q! 3$\"|3 r STrAJ34@Bs8-#í,r DFr ./áÒ+。! 4$\"|yr DF4ÜÝ ÈÇ\"|]¤v}~3\"<q,6r STr 0.045%,ì\"|]3\"<qø}~,}~ \"<KL]9MEFx、ÉHI#í,mÕ RI¨ò6r ST3EFxÖHIÉ#í,r û1ÈÇ\"|zIÉÈÇ3Ò¼s§。 °|uR©#òa,n',! 4$ÈÇ\"| t0 9Q3./áà! 3$Þ+! 2$。 2y 4$\"|3./Ø9fR:1 $ >2$ >4$ >3$; 3y 4$\"|3./ 9ΦáfR:1$ >2$ >4$ >3$。L 3$\"|3r DF4þ-,! 3$6r ST 4Ò·,! 3$\"|3Ø9ÖΦ9 áÒà,Sn6r ST×6ArÈÇ\"| 1HIÉ#íÞßóò\"|y-;-。3 ! 3$ÈÇ\"|3r DF4,¿,\"|] \"<qµr³´,6r ST×6AÖyGHI R\"|ä,Ðì>Ï\"scñTÞ- äµp 2b、3c¶·,³kÈÇòñï»。n ', ! 4 $ \" | 3 r DF 4 Ü Ý 0.045%,K|\"|]3\"<q}~6,6 r ST×6Arr DF\"<KL]9MEFx ÖHIÉ#í,+./Ø9Ö9 ΦáU! 2$Ö! 3$Q~,M\"|, Âc©¸ÁVu3a6。 ' 2 ÄÅà ST<£È®¾²³ÉÊË 3 <CDE Fig.2 PrincipleofairentrainingagentSTand 3.1 KWa\\] separationandsettlementofslurry ËVÖW 4Ø¿ÈÇ\"|XYZq 2.3 ·¸f¹ºÌÍ(Î 863ÛXYrJ·。ÈÇ\"|r½1âC -;-®¯3Ý.¥3-©N(C-S- x4#í99¯a8¤,]C®¯zÉ8¤3 [É,õè]\\Ô3¤µ³;ë,¶qrþz H)Ö:¡¥3ON(Ca(OH)2)、NP¾(AFT/ ¿a9]®¯]\\Ô4,XYZqy¡QêË
252 & ' ( ) * + , , - ! 30\" V。ËV¥^òÈÇ\"|]\\ÔÆÖ]'43 -,+àrê:¤、ÂÖ`。\"| +à,Ø\"|~×Ë#í3Ê˳,\"|ËV J-;4、vqHII、\"|}7vqJ û1°|u9,\"|ËVã+,ñ;] q~3aöýnØþ[26]。W 4ê ÈÇ\"|qa¶íÒàx4,r\"|ax \"|þù569¯ã+8。|}ÈÇ\"| uyOÂ#í,\"|ß6W 43+à°|u Ro|ò\"|39Ä,+a。 38âwaEí Hershel-Bulkleyâw,b¡ H- Bâw[27]。âwmu`µê: τ=τ0 +ηγn, (3) µy:τ———x4,Pa; γ———x,s-1; η———ËV,Pa·s; τ0——— W 4,Pa; n———¥6。 ¼ n=1,τ0 =0 9,ê Y Z q;¼ n=1, τ0>09,êwcdq;¼ n>19,ê±²q;¼ n< 19,êeß6q。 3.3 K\\]ÔÕ(Î ;<Eí RheolabQ/Cf78Z,µp 4¶ ·。HIxx47ËVWÏ, :§µ 4¶·。 ' 4 RheolabQ/CK Fig.4 RheolabQ/C rheometer ' 3 Ïв³ 8hÑÒ z 4$\"|(gh:1~4\"|)r 0、30、60、 Fig.3 8hmoldingoffillingslurry 90、120min938eWÏ,01 4$ÈÇ \"|,-9~3856·µ 4¶·。4$\" 3.2 KÒÓ |ËVÖW 4¦Ù9~3ÜÝÞÜÝ,r ÈÇ\"|rñ;y,-aÜ¥,_þ þ-39~P,4$\"|3ËVÖW 4á þ¶+,7TfR¦ê:1\"| >2\"| >4 \"| >3\"|。LnØ 1\"|æÝ6 r ST,3、4\"|Ýò·6r ST,6r ST ®¯×6Ar\"|]EFx#í,¸6r ST 40+ËVÖW 4ä0#。þ-9~] 4B 3\"|ËVÖW 4+,LnØ 4 \"|3r DF4| 3\"|,ì 4\" |q]\"<qø}~,ÀIò6r ST× 6A3ôaÁ,ìÈÇ\"|3~qa6©#。4 $\"| 120minÖ 0min3ËVJzB9³,1 \"|r 120min9ËVÜÝÒ+,_C
! 3# ? å,ý:ÝrzAÈÇ\"|a563±² 253 Ý:ñòÕa6。3、4\"|¬9¯Ý:¸ $\"|]C9¯òÂc©dÐ+¦6,\"| a6M±Òu,Lnr6r ST×6A3mH 3z#8{|6¶,>Ï\"rñàTCÏ'³ 4ìGHI9¯þûÉ,ßóò-;-!\": kòñï»。p 3cy 3\"|ÏÿRäi´ ¤3Ý',n',3、4\"|ËVÖW 4 +Â_-j9¤。4\"|¥6· ný 9Òà,M±ò\"|z#Vu3a6。 1,?ÌXYZwcdqß6q,ñí 4\"| M±ò¶u3¦6,kÂc©³ë,z# @ 4 YZfgÏв³K\\] 8{|6u,µp 3d¶·,4\"|r DFJ Table4 Rheologicalparametersoffillingslurryat 6r ST4@B¶ 3\"|ÕøuF¾¿á AzIÉÈÇ3ñàþùÂï。 differenttime 4 * . 1\"| (1)a¾、< @ - | } . : È Ç \" | ø ù z t/min η/Pa·s τ0/Pa n R2 IÉñàþùy,ÈÇ\"|íM±z#8{|6, 2.5989 434 1 0.8469 ç~8\"|]t$4bèû1856ù±{ 0 3.4719 0.9361 |3s§,»Ýr DFJ6r ST8-#í 30 4.5450 581 1 0.9070 ëÜË\"|]r8{|56。 60 5.1579 0.9326 90 7.0395 716 1 0.9696 (2)4$ÈÇ\"|y! 3$\"|3./Ø 120 9ÖΦ9¦Òà,3! 3$\"|3 823 1 R2 \"<q,¿,Ð>Ï\"c©Ï'ñàTC 0.9321 Þ®¯Âc©³ë。! 4$r DF4Ü 945 1 0.8807 Ý 0.045%,K|\"|]3\"<q}~6, 0.8639 rÂÃÂc©³ë3;³。 2\"| 0.9264 0.9548 (3)3、4\"|ËVÖW 4Ø9 t/min η/Pa·s τ0/Pa n Òà¸a6M±u,Sn6r ST×6A3 2.3433 419 1 R2 HIÉ#í,ßóò\"|-;-u。3 3 0 2.6833 0.9363 \"|r 120min9¥6· nà 1,78êW 30 3.1497 475 1 0.9662 eß6XYZq,\"|]C9¯òÂc©³k 60 3.8698 0.9286 òñï»。4\"|M±òz#Vu38{| 90 4.3353 571 1 0.9258 6,rízIÉÈÇ\"|3ñàþù。 120 0.9324 630 1 \\u+.: R2 695 0.4544 0.9262 [1] d¾¾,lV,m + ü.) 2 Ð É | È Ç F ä þ | ñ à 0.9398 ònYN=>[J].@a,-,2018,43(10):2703-2708. 3\"| 0.8968 0.9206 [2] no.$qÈÇpîcòñ[J].yàîJñNJ) t/min η/Pa·s τ0/Pa n 0.9591 *,2010(1):135-136. 1.5491 368 1 0 2.1618 [3] ?:Ñ,qºr.+=AJ$qÈÇ\"|rø6JÈÇòñ 30 2.7336 403 1 nØ=>[J].EA*O,2017,17(5):23-24. 60 2.9681 90 3.0400 479 1 [4] Pss,d c.%}N:øùÝÝpòñLnÀ7c 120 t*[J].@atu,2015,47(6):78-80. 493 1 [5] uFv.$qÈÇòñL n À 7 c ' t * [J].E A * O, 508 0.4646 2017,17(4):39-40. 4\"| [6] 4ëË,2uv,d9w,ý.ÈÇ\"|zIÉñàþùá âã[J].zx+,,-(WX),.),2012,36(6):36-43. t/min η/Pa·s τ0/Pa n 1.9304 391 1 [7] YF,2y?,2zU,ý.a¾ÈÇ\"|856JHI 0 2.3981 @þ 6 ; < = > [J].y - + , , - (W X ) , .), 30 2.9792 426 1 2016,47(4):36-41. 60 3.3989 90 3.5895 505 1 120 564 1 615 1 4y 4$\"| 90minL¥6· n¦ý 1,ÌXYZwcdß6q,í'ãä\"| ¥{|。120min9 2、3\"|¥6· nà 1,78êW eß6XYZq[28],ñíüÛ
254 & ' ( ) * + , , - ! 30\" [8] dÿ,nU^,n{|,ý.¾+Õ4¾G#1zIÉW [21] É.,-âÝrzÝÝp6Õ±²=>[J].¼ët, þùìÔ ELMW[J].)*d-,2015,33(15):27-31. 2017,46(5):817-820. [9] 2 },~Ó',=ûl.a¾、<@-|}\"|a¾HI [22] .r DFz@A|}.:ÈÇ\"|þù6Õ± 6=>[J].AJ),,-,2019,4(2):127-132. ²=>[D].Yß:yUAJ+,(Yß),2017. [10] |,¾Î.AyG4J2ÂHI[M].YZ:yUA [23] éQ.AyÈÇN°J*O[M].Yß: ZtJ;.à, J+,;.à,2003. 2014. [11] |.@a3),DE[J].@a,-,2010,35(4):29-534. [24] DebasisD,SreenivasT,GautamKD,etal.PasteBackfillTech [12] ? å,zU, å.¤k4Öz : ; 3±² nology:Essentialcharacteristicsandassessmentofitsapplication formillrejectsofuraniumores[J],TransactionsoftheIndianIn [J].&'()*+,,-,2018,28(1):19-24. stituteofMetals,2017,70(2):487-495. [13] K , í, .@A|}.:ÈÇ\"|85 [25] YF,[,¡í'..qÈÇq]C×Ë:¤¬7 6Ï<=>[J].yU@a,2016,42(10),34-38. +z#Ëâw Ï < [J].y - + , , - (W X ) , .), [14] *æ¯,kÎ,4 .ÝÝpâÝr;í*O+[M]. 2015,46(6):2333-2341. Yß:yUv!tJ;.à,2008. [26] LiT,QinT,ZhouYB,etal.ChemicalpropertiesofBingham [15] ,MU, B.ùØ~61 | 3= >/ materialsinbackfilling[J],ChemicalEngineeringTransactions, 2018(71):1057-1062. [J].©`-,2011(3):560-566. [16] í,n,WË.ÒYYùØJ<¹@q [27] v,P ¢.Y9Ä3ÈÇ$q856=>[J].h zv,)*+,,-(WX),.),2015,47(2):192-198. 6Õ3=>[J].ùØ),J*O,2011(2):30-34. [17] é+,CÛ,kÎ.~6<z1|þ6Õ [28] dÚ.IÜ\"3|qñàþù[M].Yß:Hü;.à, 1998. 3±²[J].wv,!\",2014(5):26-29. [18] H, É,u°é.|q3ñàþù%4YN7ß% (-v ¡ wx ¢£¤) *O[J].ÇNt+,,-,2016,32(5):90-95. [19] å, y,.6r STg%zÝÝp6Õ3± ²[J].wv,!\",2017,44(11):25-27. [20] kJ.6r ST,-4zÝÝp6Õ±²3=>[J]. gÝÝp,2018(1):31-33.
! 30\" ! 3# & ' ( ) * + , , - Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 2020$ 05% May2020 £VZA¤Â£/-4G*Oí 1,2 (1.KL¢£VHJ{*OUVOP;<Q,O^ 400037; 2.yU@a)tÏÍ O^=>UÀã,O^ 400037) ! \":)KWU½R¹4,À= FLAC3DJÄÈ&',$%* T 15117ª c¡.5½R¢½Nª«À5、O£4YZ,Es* c¡. 5½R4è½8,WU*¤ÿ c5½R¯¥´E。²6ghi,½R¦²»§¨© ²ªÆL«É$¬®½R¦4 3.1L 5.7Z,5½R¯°4r06gi。&'±°¯ ½Rè*9ôc¨©¢6²。 #$%:5½R;JÄÈ;ª;è½8;²6g doi:10.3969/j.issn.2095-7262.2020.03.005 &'()*:TD713 +,-*:2095-7262(2020)03-0255-04 +./01:A Applicationofhydraulicfracturingtechnologyofcrosslayer drillinginSijiazhuangmine YaoZhuangzhuang1,2 (1.NationalKeyLaboratoryofGasDisasterDetecting,Preventing& EmergencyControlling,Chongqing400037,China; 2.ChongqingResearchInstitute,ChinaCoalTechnology& EngireeingGroup,Chongqing400037,China) Abstract:Thispaperisanattempttoeliminateunnecessarysafetyaccidentsduetoblindfracturing. ThestudydoesthisbyusingFLAC3Dnumericalsimulationmethodtoanalyzetheinfluenceofhighpres surehydraulicfracturingwateronthechangeofstressanddisplacementofroadwayin15117returnair bottom extractionroadwaythroughlayerinSijiazhuangmine;byverifyingthesafetyofthehydraulicfrac turingthroughtheborehole,andbyperformingtheindustrialtestofthehydraulicfracturingthroughthe borehole.Theresultsshowthatthefracturedareahas3.1and5.7timesrespectivelytheaveragegasex tractionconcentrationandpurevolumeofthenonfracturedarea,demonstratinganobviouspermeability enhancementeffectofhydraulicfracturingmeasures.Thisenablesthesafetyandcontrollabilityofcon structionfracturingandefficientgasdrainageincoalseam. Keywords:hydraulicfracturing;numericalsimulation;bottom drainageroadway;fracturingfeasi bility;drainageeffect 2345:2020-03-08 6789:“Ãø”UV)*O+¥[[\\(2016ZX05067004-001) <=>?:¦¦(1988-),e,y?ïgj,N=>§,è^,=>mn:@AKLMN7-4ܯ,Email:759503455@qq.com。
256 r s t = V y u v 30w 0 ! \" ¸~²2f^ª:;()<=>yÖ 20m。) àZ[*+,?@xAB 150m×100m×80m* !\"#、$%、&'()*\"#+,-./01 ¡¢¡ò,C5 2。¡òD1-.:E.£F 23[1-2]。456!()*789/:;<=>? ºGEFHI¡¢J°)KH,X、Y£FLMaN @、! A B C ( D E 0 - . B F > G * H I J ´O,Z£FLM®ã<.£F³´。¡ò\\ 300m, 3[3-7]。KLMN O - P Q ( ) \" # R S T U V PH8 25kN/m3,Q¡òD1ºG7.5MPa*«b W,XYZ[\\[]^_`、abc[、abde、a ,R¡ò(°)ST ρ,ØU¡z Kv,Vb bf^g[8-10]。hijg k[11] l!afmno[ c,WXY θ。¡òð°ZC[ 1。 VWF6!p)ZS]Tqrs;tOu v[12] wx yz*p)\\[_`6{\"#TqVW|0}~, ( 2 23456#7#$ xl,。 x\"#TU, Fig.2 Numericalsimulationmodelofbottom (!r,;MVW |@` 。[13-18] extractionroadway ¡¢£¤,¥¦§¨!fa©ª«b 8 1 !\"#$9:;<5 *¬S®¯°±]T²«bC³´*µ¶,· Table1 Coalandrockparametersincalculationmodel ¸~¹*f^º|。»(¼½¾¿À 15Á ()\"#Âz!、789Ã,ÄÅTUÆ2、Ç °9 ρ/kg·m-3 Kv/GPa c/MPa θ/(°) ÈÉÊg-PQË3。ÌBÍ Î,¥¦x® \\° 2400 8.5 1.8 31 T²p)Z[*Ïf9,Ïf*L6¸~ ¹ÐÑ*abf^vwrsÒÓ,NOx-ÔÕl ]^ 2000 13.1 7.0 33 Öp)Z[abf^*O×VWØP, p)Z[ abf^6Ùx,ÚÛÜÝÞ}ßà。 J°) 2700 19.4 12.8 35 1 #$%&'()*+),-. _\\° 2700 20.0 17.0 38 áâf^¸~¹¾¿À 15117|ãäå 15Á( 1400 1.6 5.2 27 ®T²。æç*f^¸~¹èªéêëìíî,7 89Ã,f^¸~ïðñ7aòªéêë,() ²2 2700 19.4 12.8 35 ó¯、®¯ôaìõö÷,øó®¯ñÂa),͹ è,Úùúvwabf^¸~ûü。 ®¯°) 2700 23.0 17.0 38 1.1 !\"#$%&' 1.2 *+=>?、@4ABC abf^º|ÏýþëO®T²ó¯{)、ÿ `a,¡¢¸~²2abf^bLÛ,cd !、\"#g$%, x]&'($%í,)྿ Àf^¸~¹*+,¡¢Û,-.abf^ *«bcd。eáâf^fg Ff^[,@B }ºL©«bC³´¬S。L©/,01a hI¥¦²2@i<.«b¬S。5 3 abf^ bf^!fa}~²2ëO*µ¶。f^Z[3 }ºL¸~²2<.«bj5,k5lÏBm1,9 445 1@6,áâ¡¢78 2Áf^[,¢§a y<.«b 11MPa,nop#«b¥3>q。 90m3,9y§afb 20MPa。 ( 1 2)*+,-./01 ( 3 DC*+?4AEFBCG( Fig.1 No.2fracturingboreholelayoutprofile Fig.3 Verticalstressnephogram ofroadwaybefore hydraulicfracturing
v 3¡ ¢££:¾¿Àp)Z[abf^VW«l 257 9y§afb 20MPa,!fafb;x°«b Ï,󮯳´,󯳴 1cm,®¯³ y G,z { Ö Z [ l | º G 9 y < . « b ´ 2cm,²2Öçcd。 30MPa,¡¢! f a « b Z [ } ð « b µ ¶,« b F~}, 35mïðx°« 5 7 ²2ºGabf^©*<.³´j b 10MPa。¡¢sC5 4。 5,k5l Ï B m 1,} º a b f ^ ©,ó ¯ ³ ´ 5cm, G x 4cm,® ¯ ³ ´ 2cm, ì ¬,Ö² 2 ð ° ° 9 ç,G b Û , ³,² 2 Ö ç c d , Ï ,a b f ^ ¸ f ² 2 µ¶。 ( 4 DC*+=>@9;H1IJEFBCG( ( 7 DC*+=>@4AEFLMG( Fig.4 Verticalstressnephogram inplanedirectionof Fig.7 Verticaldisplacementnephogram ofroadway coalseam afterhydraulicfracturing afterhydraulicfracturing 5 5 ºGabf^©,¸~¹²2ð°<.« 2 #$%&'()*/0 bj5。f^[º|²2n#,!fa*l ,n#<.«b9y 16MPa,/f^L Gx f^¹;f^¹\"#TUT¬S45 5MPa。o#<.«b9y 13MPa,/f^L 8@6,f^©TUrsÒÓ01:f^\"# Gx 2MPa。«b¥3ì>q。 T U Ø U ¥ φ 13.9% ~36.5%,N > 29.1%; f ^ ¹ è Z [ \" # T U Ø U ¥ 5.9% ~11.8%,N> 9.3%,f^©\"#N>T UT/f^¹è\"#TUT* 3.1。 ( 5 DC*+@4AEFBCG( Fig.5 Verticalstressnephogram ofroadwayafter hydraulicfracturing 1.3 *+=>?、@4ABK ( 8 *+NOP*+NQR3STUKVWX 5 6 ²2Û,-.<.³´j5,k5l Fig.8 Contrastofgasdrainageconcentrationchange betweenfracturedandunfracturedareas ( 6 DC*+=>?4AEFLMG( f^¹èTUz 0.97~3.44L/min,N> Fig.6 Verticaldisplacementnephogram ofroadway \"#TUz 2.04L/min,f^¹TUz 0.19~0.52 L/min,N > \" # T U z beforehydraulicfracturing 0.36L/min,f^© N > \" # T U z / f ^ ¹ è* 5.7,C5 9,6!x\"#TUr 。
258 r s t = V y u v 30w ( 9 *+NOP*+NQR3SYZKVWX [4] ¹ º,Ê »,¹¼½,g.l;¾¿(D*°ÀÁÝ Fig.9 Contrastofgasdrainagepuritychangebetween CÃÄ[J].(Ūé;ÆÇ,2017,45(1):1-8. fracturedandunfracturedareas [5] ¦ §.:; \\È ( ;\" # ÉUÊ ËÌÒ [J].(D u, 2016,41(1):1-6. 3 [6] ÍÎÏ,ÐÑÒ,n½Ó.ÒÔn¬Õ9*abc[[Ö¬Sµ (1) ¡¢¥¦¾¿À(®¯²p) ×C&Ø[VW[J].(Du,2016,41(6):1434-1440. Z[Ïf901,f^©²2«b ¬S,nop #«b ì>q,f^¤²#«b¬y;f^©² [7] ÙÚÛ.(°ØabÅ^ÜS*,Ú;«l>G[D].ÝÞ: 2¬Nz¬S,Ïabf^¸~¹®T² l;0y,2009. µ¶ìy,ÏBùúabf^º|Iü。 [8] ¹ß,Öìà,\"#+,VWáâ[M],·¸:(D|01 (2)f^¹TU\"#N>TUTÝz ãä,2005. ¥¥/f^¹* 3.1Ý 5.7,\"#TU 'r s。 [9] åÝN,æçè,g.\\ÈÐUéê,Ú;|ë}ì[M].· ¸:=1ãä,2006. <[\\]: [10] íîï,ðñ,òó,g.afÅ^륦* ¸ [1] ¦ §.!\"#¹¨©ªé- . !r ÐU ª «VW ~£¤[J].b;}ì,2001,23(5):51-54. [J].(Du,2006,31(2):174-178. [11] hij,ôõv.!famno[6!p)Z[]Trs* [2] ¬;.; ()8Ðí ®lÞ c [J].;¯ *°$ u, ¸~[J].0;ö,2001,28(3):17-19. 2005,11:22-26. [12] tOu,÷ø ù.( \\ [ _ ` Z [ ú û V W « l [J].( [3] ; ¿ ý ° ±.( ) 8 (( \" #)Ð í ® l “² ³ ´”µ ¶ D|ë,2009,8:39-40. [R].·¸:;¿ý°±,2016. [13] ¹üý,\"#&+VWþ7[M].ÝÞ:l;0y ÿãä,2008. [14] !¼\",&789()6!\"#Tq *#$Ö [J].(, 2000,2:9-12. [15] %&.abf ^ V W \" # & 7 8 9 l * « l [J]. H¼yu,2010,33(7):102-108. [16] Ê'(,})*,+,N,g.^-°Ø'nÕ9.¡¸~ >GvÑ[J].°¯b,2005,26(9):1517-1524. [17] /01,'23.(;\"#1*bl,[M].·¸: =1ãä,2013. [18] Ê;4,52N,673,g.p)Z[8^§afb;8 ^³4,Ú[J].(Du,2007,32(1):52-55. (^_ `W )
v 30w v 3¡ r s t = V y u Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 20209 05: May2020 U(Âa)ªaa³Ýaz*µ¶ '()1,2 (1.l(=|¼½;>G?L<=,; 710054; 2.>;?(a@&+VWH:}~A,; 710177) a b:*+,-./01234567189:;<=::>?:@ABC,1D Visual ModflowEFGHIJ,KL=MNOP K8 ?QMNOP K10RS9:;<=:A:>?TUV W:@,X71YZ:[\\]^_`A9:;<=:Aabcd/e。fghi,j;71Y,k lmnAo2>9:;A:>pqrstu* 0.25m,vww=ATUVW:@* 145m3/d。o +,*:x<yzJ{|A-.}V:45~。 cde:9:;;:>; @;EFGH;456 doi:10.3969/j.issn.2095-7262.2020.03.006 f(gh):TD528 \\i^):2095-7262(2020)03-0259-05 \\]jkl:A Influenceofcoalminingongroundwater levelandquantityofaquifer MuPengfei1,2 (1.Xi′anResearchInstituteofChinaCoalTechnology& EngineeringGroupCorp,Xi′an710054,China; 2.KeyLaboratoryofCoalMineWaterHazardPrevention& ControlTechnologyin ShaanxiProvince,Xi′an710077,China) Abstract:Thispaperaimstoinvestigatetheinfluenceofcoalminingonthegroundwaterleveland quantityofaquifer.Theinvestigationinvolvesstudyingtheextenttowhichthegroundwaterlevelanddis chargewatervolumeofsandstoneaquiferoflowershiheziformationK8 anduppershiheziformationK10 whicharenotconnectedwiththewaterdiversionfracturezoneareinfluencedbyminingoperationinthe plannedminingareaofthemine;andusingVisualModflownumericalsimulationsoftwaretoperformthe predictionandanalysisoftheruleunderlyingthedynamicchangeinundergroundwaterintheunconnect edaquiferinthewaterconductingfracturezoneaftercoalmining.Theresultsshowthattheminingactivi tyisfollowedbytheindirectoccurrenceofamaximumdrawdownof0.25minthewaterlevelgradientof sandstoneaquiferoflowershiheziformationK8anduppershiheziformationK10andthedischargewaterof 145m3/dintheverticaldirection.Thestudycouldprovidetechnicalsupportforminedrainageforthis studymineandotherswithsimilarhydrogeologicalconditions. Keywords:aquifer;waterlevel;recharge;numericalsimulation;workingface mnop:2020-03-30 qrst:;¿H:>íg¶BK(2017YFC0804102) uvwx:CDE(1984-),F,>;?tÅG,H,>GI,JK,>G£F:a@&+,Email:282313140@qq.com。
260 r s t = V y u v 30w (U(|ã*äU,L()ó¯°ØxM fgd K10\\°Âa)®¯N>={ 282.64m,4 «bcdN`O,P8«bH#¥3,kLð° [ 2@6。 ¬NC ` O, N O ó ¯ Ä a ^ - Q[1], R()ó¯JÂa)aØ,ªaS^-QT ()ó¯Äa^-Qíî!T;()ó¯Â ¨U,Äa^-QVC*Âa)ªa, a)³4ªP/¥¦,15Á()ÐU©ó¯Äa Ö.ÇWaÂa)T¨Ulªa*XY,a³ ^-Qíî±fgd K8\\°Ý±fgd Z&,Âa)ab[T*¬SÄÅ^eQV K10\\°Âa)。 C*Âa)ªa*a³ZÝ\
F]^Y _az* G[2], x>GU(Âa)ª 8 1 g,-}D+!\" a*µ¶,Ul VisualModflow ¡¢%.]¤ Table1 Calculationresultsofpartialborehole Ý¥¦U(|ãäU©Äa^-QVC* a)ªa*Od¬Sµ×[3]。 drainagefracturezone 1 '3456789'*:; [Á !T /m [Á !T /m [Á !T /m 1.1 D\\yz{| K-112 65.72 K-061 75.04 K-167 83.48 K-036 66.12 K-159 75.04 K-148 83.55 ųÖÿ;?`wÿ;a,bÖ4·ò(Å, K-097 66.92 K-98 75.04 K-021 84.46 K-032 67.31 K-083 75.18 K-166 84.46 µ¶ÐU±DPc`xd (C3t)* 15Á( K-046 67.71 S-4 75.38 K-039 84.82 ),ó¯JhIÂa) `xd K2、K3、K4 e° K-103 67.71 K-054 75.73 K-035 84.88 Âa),³Taz 0.0086~0.24L/(s·m);ÿ K-051 68.33 K-107 75.73 L-75 84.94 ;d K7 \\°Âa),³Taz 0.0011L/(s· K-124 68.48 K-135 75.73 L-34 85.72 m); ± f g d K8 \\ °  a ), ³ T a z K-132 68.48 K-139 75.73 K-057 85.89 0.167L/(s·m);±fgd K10\\°Âa)Âa S-7 69.47 L-32 76.75 K-262 91.39 )[4-5],³Taz 0.167L/(s·m)。Âa)Îa 8 2 9;OD; 9¶¥ ÜÎa9 q≤0.1L/(s·m),lgÎa9 Table2 Distancebetweencoalseam andaquifer 0.1<q≤1.0L/(s·m)。 )³ªP 9={ /m 9y={ /m N>={ /m 1.2 }D+~ 15Á() K2 10.35 24.70 17.66 15Á()N>hT 5.67m,ó¯hI\\éi 15Á() K3 29.80 43.39 35.45 °、_\\°Ý±e°dO,°ØjfRT 12.2~ 15Á() K4 42.14 66.30 52.94 96.8Mpa,( ) Ð U © Ä a ^ - Q í î ! T ß à 《(&+a_k》[6],ll -mn°±ÒÔ,go 15Á() K7 61.07 119.01 93.11 <p4: 15Á() K8 123.07 209.76 164.71 hli=1.21∑00∑d+d2.0±8.9, 15Á() K10 274.84 323.42 282.64 (1) (2) 2 4<'=>?@ hli=30槡∑d+10, ?@a'ªéÀÁ¡ò,klªaOd¡¢ %. VisualModflow? @ ¡ ¢ ¹ ª a n ¡ pl:hli———Äa^-Q!T,m; ò[7],®l}¤a³,rM}¤ns,At ¡¢ZC¡ò,9©®lAt©* ¡òF] d———()hT,m; ¤U(Âa)a³C\
Y_az*µ¶。 2.1 D;{V )àŪé(a')Z[*+,go0( )àª)uUhT、°9vò、Âa)[- )ÐU © ó ¯ Ä a ^ e Q í î ! T 65.72~ Õw、a'ªéZ、abxPBCÄa^eÄ$ %g,<Fy¡¢¹Âa)ÀS :v-) 91.39m,-q!T 77.64m,4[ 1@6, 15Á ()ó¯`xd K2、K3、K4e°Âa)®¯N> ={¥¥ 17.66m、35.45mÝ 52.94m,ÿ; d K7\\°Âa)®¯N>={ 93.11m,±f gd K8\\°Âa)®¯N>={ 164.71m,±
v 3¡ CDE:U(Âa)ªaa³Ýaz*µ¶ 261 ±fgd;vz) ±fgd;v³) ÿ;d; a³g éá<.,¡¢¹Âa){] v~) `xd。 Ü,ÀS nzD1[9];·(2-3)D1¡¢¹Â a)ªaF¡¢¹ÖnY_,ÀS Y_n ±fgd \\i°{)*¨|Âa°d,\\ zD1;(4-1)D1¡¢¹Âa)ªaF¡¢ °Âa);i°}a){)¥3,<FÍ)}a ¹Ön]^,ÀS ]^nzD1。 9ý~,¡¢yÀS <F9ª),Z &<F'7Py[w }a)。ÿ;d K7 \\ ( 2 D;h$ °Âa)Ý`xd K2、K3、K4 e°Âa) ()Ð Fig.2 Initialflow fieldandboundarytypeofTaiyuan U©ó¯Äa^-QR*Âa),p)Élz a。 formationandShanxiformationaquifer 2.2 #${V 2.3 yD5#$ ya*è¹ïðo 1.5km* N¹è )à>G ¹ ( ) ó ¯ ¥ 3 *  (})a ) h ·ç ªa¡¢ïð,¡¢¹; 8km,· 10.2km,ãU 81.6km2。 T、°9、a'ZgÕw,·ç¡¢¹ -> é、<F9、@سê、çn*a'ª ±fgd K8 \\°Ý±fgd K10\\°Â éÀÁ¡¢¡ò[10-11],¡ò[p4: a)Ma³nsC¡¢>G¹D1vò¶¥45 1@6,l;(1-2)D1、·(2-3)D1、(4- ( ) ( ) ( ) xKxxhx +yKyyhy +zKzzhz +W= 1)D1¡ ¢ ¹  a ) ª a F ¡ ¢ ¹ Ö n]^,ÀS ] ^ n z D 1; (3-4)D 1 ¡ ¢ Ssht,(x,y,z)∈Ω,t>0, ¹Âa)ªaF¡¢¹ÖnY_,ÀS h(x,y,z,t)|t=0 =h0(x,y,z),(x,y,z)∈Ω, Y_nzD1;¡¢¹lÈ a, ¡¢¹Â h(x,y,z,t)|Γ1 =h1(x,y,z,t),t>0, a)ªa*hI]^¹è,ÀS çaD1;¡ Knh|Γ2 =Q(x,y,z,t),t>0, ¢¹óÈD1J)é°.ÇÇi nh|Γ3 =0,t>0, y8Z*¨']^ÝíY_;¡¢¹*®ÈD 1 15Á(),ÏÀS }aD1[8]。 pl:h———ªa³!,m; Q———D1*³'nz,m3/d; ( 1 D;h$ h0———Mns,m; Fig.1 Initialflow fieldandboundarytypeofShihezi h1———çaD1a!T,m; n———D1¤£F; formationaquifer K———'7P,m/d; Γ1———aD1; `xd K2、K3、K4e°Âa)Ýÿ;d K7 \\° Γ2———nzD1; Âa)Ma³nsC¡¢¹D1vò¶¥45 2 @6,l;(1-2)D1、(3-4)D1;Âa)*
262 r s t = V y u v 30w Γ3———}aD1; Ω———goè; W———aã*<F]^Y_RT,L/d; Ss———Âa)*a ,L/m; Kxx、Kyy、Kzz———Âa)'7P,m/d; t———,d。 3 ?@108-. 3.1 yD#$ ( 3 7 3.1.1 k9:;fE Fig.3 Flow fieldfitting ¡ò¥Ulg=LÃ¥*{£¤¡ 3.3 D\\yz<5 ¢¹ÂaéKO¥,*w ×Q ×)l ¸¹Z,¡òAt©0]¤¥¦¡ò 102×80×4¶¥,<uUª)ó、®¯!ëà(g ))àªéZ[*+cgĨ。 *a'ªéZC[ 3,Z¥¹45 4@6。 3.1.2 zJ 8 3 #$<5 ¡¢¹*aÀS aD1(Г1 D1); Table3 Modelparameter ±fgdݱfgdª)*、、·、;D1,ÿ ;dÝ`xdª)*、·D1>ÀS nzD1 º» Kxx/m·d-1 Kyy/m·d-1 Kzz/m·d-1 Ss/l·m-1 (Г2 D1 ),¡ ò n z D 1 ; 1 v w a z ¡;ÿ;dÝ`xd、;ÈD1BC¡ò®ÈD1 ±fgd①¥¹ 0.585 0.585 0.00585 8×10-5 ÀS }aD1 (Г3 D1);¡òlYaUl WEL[ngë¢X}Þ,[*Taz £ [ ±fgd②¥¹ 0.357 0.357 0.00357 5×10-5 6Ta,Taz Taz,¤ 68m3/h。 3.1.3 zJ ±fgd③¥¹ 0.787 0.787 0.00787 3×10-5 Âa)ªa*MnsB 20189 6:Å ±fgd④¥¹ 0.442 0.442 0.00442 5×10-5 @KÂa)a'[}¤*ªaa³ é ê, | a ' ª é - .、Z ¥ ¦ | Ò ±fgd 0.342 0.342 0.00171 5×10-6 Ô,<  a ) ª a M n s[12],4 5 1Ý 5 2 @6。 ÿ;d 0.212 0.212 0.02120 6×10-5 3.2 #$` `xd 0.139 0.139 0.01390 6×10-5 >G¹¡¢¡òns¢|FAt¡ò,v -§\\S¡¢>G¹*a'ªé-.,·ç1ý ( 4 <5gN ¨©ªªanPc}«$%*a'ªéZ,v Fig.4 Uppershihezigroupparameterpartition ªaa³Ýaz¬S*¬·]¤¥¦ç éê 。[13-14] Ö±fd K8 ݱfd K10\\°Âa) ®fÂa),ªaa³¬Si1µ¶,ª aOd¬S,Ïy¯ -°±a'9 ns²³ z *  a ),Q ´ a ¡ ; µ a ¡ n s z³。 B 20189 6:(µa¡)c¤*ns Mn s,kw¡ògo 20189 10:(´a¡)ns,2018 9 10:gons;}¤ns¢|$%45 3@6, k5 3ÏBm1,u¶·Nd¢|rs。
v 3¡ CDE:U(Âa)ªaa³Ýaz*µ¶ 263 3.4 yDDLDZ%¡¢ a¨O*µ¶,ªan³Od 15Á()| ã Ð U @ N O * Ä a ^ - Q . ¡¢¡ò,]¤¥¦µ¶¹()ÐU©±f gd K8\\°Ý±fgd K10\\°Âa)ªa ÇR`xd K2、K3、K4 e°Ýÿ;d K7 \\°Â *nsOd¬Sµ×,lÂa)(K8 Ý K10)ª a)ªa,¼½Âa)*¾¿Ca*XY,À aiU(*µ¶,9ya³Z\\ 0.25m,]g< U|ãJÂa)Cµ¶U¹}Dªaµ¶Á FFv¨*\
Y_z 145m3/d,Í>G Öïð *  a ) a ³ 1 Þ ì ë T * Z áFÐUCa'ªé-.z³XYa &[15],kP8 15Á()ó¯Äa^-QR |ÇHI*ÈÄÉÊ。 *±fgd K8 ݱfgd K10\\°Âa)* ab[Tí¬S,¬xxabNÃ,L K8 \\ <[\\]: °Ý K10\\°Âa)ªa<.F\
Y_,v P8Âa)*a³Ýazí¬S。 [1] Ë Ì,Í ' *,í ,g. W ¥ U O Î Ï m n ó ¯ “pQ”!T¥ ¦ [J].U ; | ë u,2017,34(5): )àU(µ¶,>G¹§ÄO·、l、 845-850. È 3¹è|ã*ÐU,)൶|ã*Ð UïðÝÐU¥¥vwx]¤[16],<¹èÐU [2] ¹,Ð Ñ,æ Ò,g.Ós¾( 5-2Á()ó¯ Å©,15Á()ó¯Äa^-QR*±f Âa)aÔ Õ9ÃÄ [J].; = Vy u,2018,38 gd K8ݱfgd K10Âa)ªa9ya³ (6):959-965. Z\\ 0.25m,|Âa)a'ªéZÝ¡¢¹ ïð,¡oÄa^-Q.ÇRÂa)\
Y_a [3] Öh×,òØR,+ Ù,g.éÖ VisualModflow*Ta z¤ 145m3/d,a³Z\\¾Æ45 5@6。 z ¡¢]¤>G[J].(DVW,2018,37(8):155-157. ( 5 D;DL£¤ [4] + V.ÚÚd}aª«) d(Q fÐ U *µ ¶ >G Fig.5 Depthreductionofaquifer [J].(D=VW,2015,43(10):67-71. 4 )* [5] Û Ü.ÝaÞª;ß±D -zyàÂ(°P)¢ª)C V(Õw[J].l;(Dªé,2019,31(4):8-12. >GíÞ 15Á()ÐU©,ó¯Äa^- Q*NO,.ÇR`xd K2、K3、K4 e°Ýÿ; [6] (á¸â[2018]14Á.(&+a_k[S]. d K7\\°Âa)ªa,LO .ÇWaa [7] ã V,¹Fä,ÐÊO.éÖ Modflow*¦å`e'ns °;R*±fgd K8 \\°Ý±fgd K10 \\°Âa),O *ÇWaa°,&+ ¡¢[J].(DVW,2017,36(6):197-198. [8] ¹ æ,ç?ý,C'N,g.¨©a'ªé-.*èe XZaz]¤[J].(,2017,48(2):167-170. [9] òéê,¹ #,C D E.é Ö ¡ ¢ ] ¤ | ã ó ¯ ` eÂa)XZaz[J].lÞ(D,2016(5):20-22. [10] ë ì,íî'.ªaÐUP8*Nx﹪ãuZ* ¡¢[J].rst=Vyu,2018,28(2):168-173. [11] ðñt,Ê ò,+þl,g.óéaôõö÷¹ªa 'n³ ç n ¡ ¢ [J].° ± b ; | ë u, 2011,30(2):341-347. [12] øgù,ë ú,û ä.ðÿ 5(ó¯ ¡¢CTa z]¤[J].(D|ë,2016,48(11):81-83. [13] Ð ü,ýþb,¬ÿ!,g.éÖ³¼a'ªéê ¡ò*ªa n ¡ ¢:B ; \" # N x Î [J].Þ $ ª é,2019,33(2):451-460. [14] %ñ&,+?',¹#j.éÖa©'goa'ªé Z£¤>G[J].(D=VW,2015,43(5):111-114. [15] (¶ý,Ù7,/!!,g.(a'ªéÆÇlçn Ta¸~·ça'ªéZ)Ú[J].l;=V W,2014,10(3):24-29. [16] ç *,Ê+V.z,R(ÐUZfXa-ÿ.µ¶* ¡¢>G[J].0;ö,2015,42(3):43-46. (^_ )
v 30w v 3¡ r s t = V y u Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 20209 05: May2020 KÕ«/01 |r¼* T22©'£¤ (1,2, 1, 3 (1.·±3y ª4=?,rst y¼ 163318;2.·±3y µ38O5; Ðí?ÈÉ?;¿H:}~A6îéª,rst y¼ 163318;3.l;±3¼½¤ L<=y¼¥<=78ÃÄl|,rst y¼ 163000) a b:*rsq~A ¡,~¢£¤¥A T2¦§¨©ª。o©ª«¬ ®¯A©°±²³´µF,¶·¸k¹º»¼w@½¾·¿Àk,X¿ÀkÁÂr ÃÄÅÆÇÈE,»ÉÊd*¼ËÌÄÍ/0ÎÏ,1Dмª¶·rѼ。EFÒÓÔÕf ghi,±²Ö×´µFªXØÙÚ、ÛÜÚ?ݮک6ÑÞßÜÖ×´µFª,ÐËÌ àᩪXØÙÚ©6ÑÞâãËÌàᩪ。o©ªäåæ T2¦AØÙÚ?ÛÜÚ,çèéê ëqìí,îïQÑÞ´µFK¼ª?rÑdª。 cde:SM;§¨©ª;±²Ö×´µF;ÐËÌàá;´µFK¼ doi:10.3969/j.issn.2095-7262.2020.03.007 f(gh):TE19 \\i^):2095-7262(2020)03-0264-06 \\]jkl:A MethodforT2spectrum byadaptivetruncated singularvalueandactiveset LiPengju1,2, WangZicheng1, RenLi3 (1.SchoolofEarthScience,NortheastPetroleum University,Daqing163318,China;2.Accumulation& DevelopmentofUnconventionalOil& Gas,StateKeyLaboratoryCultivationBaseJointlyConstructedbyHeilongjiang Province& MinistryofScience& Technology,NortheastPetroleum University,Daqing163318,China; 3.Interpretation& EvaluationCenter,DaqingbranchofCNPCloggingCo.Ltd.,Daqing163000,China) Abstract:ThispaperproposesanewT2spectrum inversionmethoddesignedforthemaximum ex tractionoftheeffectiveinformationfromthespinechotothemaximum.Thismethodoperatesbyselecting singularvaluesadaptivelyaccordingtothevarianceofthenoise;obtainingazerospacematrixandmap pingthesolutionvectortoalowdimensionalspacewherealeastsquaresobjectivefunctionisestablished totransform itintoasolutiontothenonnegativequadraticprogrammingproblem;andobtainingtheopti malsolutionusingeffectivesetsolutionmethod.Thenumericalsimulationexperimentsshowthatthea daptivetruncationsingularvaluemethodoutperformsthefixedtruncationsingularvaluemethodinterms ofaccuracy,stability,andnoiseresistance,andtheeffectivesetnonnegativeconstraintmethodissupe riortothetraditionalnonnegativeconstraintmethodinaccuracy.Theproposedmethodcapableofagrea teraccuracyandstabilityoftheT2spectrumandafastercalculationspeeddemonstratesanoveralladvan tageoverthesingularvaluedecompositionmethodandoptimizationone. Keywords:rock;inversionmethod;adaptivetruncatedsingularvalue;activesetnonnegativity constraint;singularvaluedecomposition mnop:2020-04-21 ¥¦uvwx:+D9(1970-),F,rst?:ÿG,;<,»K,>G£F:ª4.,*+,78,Email:13936900420@126.com。
v 3¡ +D9,g:KÕ«/01 |r¼* T22©'£¤ 265 0 T2j———v jdFef; n———äV; =>É?¤VWý¨6Ùª)°±.,9é ÝnØ9éZ,4[-T、'7 、ÏOa@ÝT m———dFef¥z; g[1,2]。'(ZýAgo¬·; T272VWB εi———NO¢Q[4]。 Bzª。72VW/=>É?¤VW*ª«。K yp(1)iO jNp,g L,CDLl*72VW*}é/EÈ©',©' £¤1 ¥ 7 (SVD)[1,3-5]Ý 9 þ S C  v b=Af, (2) £¤[6]。Î4:F @ ø g[1,5]é Ö 1 ¥ 7 * © '£¤;¹ Gg[7]61éÖ7*KT789þ l,b = g + ε;g∈ Rn;b∈ Rn;A∈ Rn×m; ©'¡ò * © ' ¬ ¡ ¤;K.J.Kunng[8],¹ 3 ø g[9]Ul1 ¥ 7 ; t k S £ ¤ | / H * f∈Rm;ε∈Rn。 1 *£¤。IJKUl/0¤tk S£¤·7*ç;NL。/01 *7MÝ MUT f]fEdFef¢| tkSeg*78;NOª,-qUlPN/ NO*cgÕwZ。 CPMGäVPÁ E EÈQ¢Q b*ë» T22©'。 ÈQP Á,; R P Á ì ,P N / ì / [3]。e,BPN/ QPÁ*cgÕwZ 1.2 «¬®¯°6± ìÕ|。BNO*£Ã NO*cgÕwZ ,F·ç/S1 ,ý¨9yLT68KTäV p(2)ìk-7,ñ¤vw|ë«l, 0 l*lPB。)à7*.,ÉÊ,T22*U « £}。 x7*£9,CDUlÂv 9|Õ*9zl7,p(2)0 (3) V$¤¼WX£7,'Ô7¤ÏýþY¿7 f=A+b, *°±9[4,10]。'Ë3*xe/£ë*ü7 ;£¤Åz¥{。 ,Ì|1 ¥7Ý pl,A+——— j A*mn j。 9þS£¤,7*ç9*vw£¤ y j A+1 ¥7$¨p(3),0 Å,ZÐ7*¼V$WX,BL*goâ[ \\ü7°±* T22。 f=Vrdiag(δ11,δ12,…,δ1r)UrTb, (4) 1 T2+,-./ l,r=rank(A),Ur∈Rn×r,Vr∈Rm×r。 1.1 §;-~¨©ª#$ Öp(4)l 1 y Y Q,y Ö ] °±*[-T°±*.d¥、[-l]¯ f/0 δk*BÈ8 0 ¥3;[-êge^É_ç。=>É?¤£ f=Vrdiag(δ11,δ12,…,δ1k,0,…,0)UTr(g+ε), ¤ý¨6Ù°±l<ÔnØ*PBBC'7 P (5) B,øìi°9µ¶。¤`aBb= KU ¼XÂ[-nØPB*KTäVc,KTäV pl:δ1———9y1 ; ¤0dFef[1-2,11],g δk———/01 ; g———ñNOPÁ; m ε———NOPÁ。 ∑ -ti §ol2:Ö/0 *78|,p/ bi= fieT2j+εi (i=1,2,3,…,n;j=1,2,3,…,m), j=1 01 δk78qyþÄÅsrìy,Z&¬ (1) ·9;z©kÄÅ7*ç9¬Ã。Õ{*/0 pl:bi———äVUT¢Q; stN à 7 * ç 9 ; s * N £ r à p £ ã fi———v i¥zMUT; ti———Uh; µ¶。 1.3 ²³B®¯°6± uc/01 £¤ÃzNOcgÕw,B PN/ Z [1-2], B P N / / 0 1 78ßà。v,äV¢Q/-ÔìÖRPÁ *EÈQPÁ,NOöwì¬*$%,PN //¼¬S*¬z。}«,ëlµ¶P N/*e^xE,BPN/ /01 7 8ßà,ñ¤7*ç9Ý-Å9。á'61 *£¤ÃzNOcgÕw,BNO*£Ã ZÃzNOUT。p(5)0: f=fs+fn=Vrdiag(δ11,δ12,…,δ1k,0,…,0)UrTg+
266 r s t = V y u v 30w Vrdiag(δ11,δ12,…,δ1k,0,…,0)UrTε, }D(ε)=σ2, (8) (6) D(Vi δ1iUiTε)=σδ2i2, pl:fs———lPÁB; pl,Vi、Ui———¬t Fzd。 fn———NOB。 NOB*£Ã P¨Z T2snr, D(fn)=(δ121,δ122,…,δ12k)mσ22。 (9) T2snr=fs/fn , (7) pl:fs———7*lPÁB> ; äVcl*ñlPÁÈ¥ !#NO,B£Ã fn ———7*NOBy *> 。 D(fn)t d ¥ 3, ø > 。 Ö fn ≤ ®l T2snrÃÄ7*¬·9,T2snr ;7*¬·9 ztzªªP,;7*ç9z£zª。®lKÕ 槡D(fn),Ö/0 fn *9y 。 ·¸ » y § o ³ @ 0 fn 9 y $ ¨ «WX¤KO781 /0 ,NÃ7*ç9 槡D(fn)<T2snrfs,~0/Aùú-.。pù ú,k ;¬·9z{|Þ}。 w§o´;Akw§o。 `a1 ¥70*Yjl1 ·¸¼ k=k+1,w§oz。 9y vwWX,~0~78*K M/ ·¸½ B δk-1 1 /0 1。 1.4 ¾¿ÀÁÂÃı AÖ T2snr。pìùú,go-1 ;pùú, kSWX,B-1 1 /0 。K =>`aU¼PÁël,2 þR Õ«WX¤ÇØnë545 1@6,§o4: ñlPÁ,Î4NO。72ëlÖñlPÁ *,©'sñ¤¬·©ª}nØPB, /7 1 Þ £ * $ %,ì | } « . , É Ê。 uc*£¤Å£¤,Î4V$¤£¤Åg>U lV$*£ ¤ H £ 7, : :V $ â E ,go\\T;V$â¤ÅrsÃ。 Ulr¼9zl£¤Å£¤Ï7* £9。 )à9þS,Ú*Ì| T22©'êëK ,B7*£9 ¤Å-.,0 }min‖UkΛkVkT f-b‖22, (10) s.t.fi≥0,i∈I={1,2,…,m}。 y7 f@*t éP α üF z,y α=VTkf$¨p(10)。Ö/,yxü7 f*Ë 3S ü7 α*Ë3,gy T22©'S z ( 1 ²³B´µ¶ ⵶Ë3,S0 (11) Fig.1 Adaptivesearchflow }min‖α-Λk-1UkTb‖22, ·¸¦ BYjl1 9y δ1 W XM ,g k=1。 s.t.Viα≥0,i∈I={1,2,…,m}。 z⵶-qNp0 ·¸¹ Bv k1 1 /0 v w©'go,0 f。 }min‖ 21αHα-Λk-1UkTbα‖22, (12) ·¸º go fsÝ fn 。)à>GÏ,©' s.t.Viα≥0,i∈I={1,2,…,m}, slNOB> ,e,fs=f。¼PÁ ε pl,H———nYj。 *£Ãt £ëd9é0: r¼9zl£¤Å£¤89þ7 α ÇØnë45 2@6,§o4:
v 3¡ +D9,g:KÕ«/01 |r¼* T22©'£¤ 267 2.1 ÅÆ®¯°6I±%WX t'ël,¥¥^äVPÁG¨PN/ αSNR¥ ¥ 10、50、200、105 *!#NO,¥¥lKÕ«/0 1 Ýç/01 £¤vw©',ç/01 δ¥¥ 1.3892、0.3131、0.0647,45 3@6。 ( 2 ¾¿ÀÁÂÃĶ Fig.2 Activesetnonnegativityconstraintflow ·¸¦ ·çM 。BÏw: αk(k=0) 8:。 ·¸¹ ü7gË3。·çr¤Å*gp- .,0 }minqk(p)=12pTHp+gkTp, (13) s.t.Vip=0,i∈I=Sk, l,p WX£F α=αk+p,gk=Hαk-Λk-1UkTb。 0: pk,p pk≠0,w§o~;Akw§ o³。 ·¸º S¬k*~。P¨#*Z λk, glg,[p λk=Bkrk, (14) l,rk =Hpk +Λk-1UTkb,Bk =(AkH-1AkT)-1AkH-1, Ak=(VTi),i∈Sk。 (λk)t=min{(λk)i},i∈I(αk)。p(λk)t≥0, Sko,B αk s1;p(λk)t<0,kyr¼ lv t¤Å-.H, Sk=Sk/{t},w§oz。 ·¸» ·çWX§,βk =min{-VVipiαkk <0}, iSk, αk+1=αk+βkpk。p βk=1, Sk+1=Sk;A k, Sk+1=Sk∪ {jk} G#*¤Å-.,l jkù úβk=-VVjkpjkαkk。 ·¸¼ k=k+1,w§oz。 2 HIJK x~£¤*r9,ZÒ}«ªéc%,k ( 3 ÅÆÇÈX T2ÉÊË l ¡¢VWêë T220êë2,Z Pò Fig.3 ComparisonofT2spectrum inversionresults =>Pc,l p (1)t ' 1 ì P N / * ä V à。'(à T22©',;êë2/,>G withdifferentαSNR £¤*r9。
268 r s t = V y u v 30w k5 3lÏBm1,KÕ«2¼½PN/*¬ V$â,V$£¤ñ¤Ä} S¥¥;êë2、δ1、δ2、δ3 2H|,øKÕ«2 Þ£¤Å,tkSeg¤ x}Þ£¤Å,¦§ ý9Dzêë2。B-ç/01 0* x7*¬·9。£9zl¤v-§7* T22ìPN/-.Ãy,ø ¬·9*}ÞxÄ*£¤Å。 ìý¬·9,' ucç/01 £¤ NO¡¢*µ¶ç9Ã。KÕ«/01 V$¤ÝtkS¤I}ÞÄ£¤Åû £¤ý¨)àNO¡¢*µ¶KO78/0 , I¦§yz*go。r¼£9zl H£*1 B Rç9,ìþeNO¡ ¤§oÏ,Í£¤ñûV$,go\\T[*þ:。 ¢ëTìsyµ¶,jNýbR,ø Ú y;Ú @«*ef ¬·。 3 J L 2.2 ÁÂÃÄI± 2170~2230m¨=>É?¤,® /PN/ αSNR¥¥ 10、100,£9 l#©pÔ T22©'£¤01*s/45 5 zl¤Å、V$¤£¤Å(V$â n=1000) @6。 ÝtkSeg£¤Å*©'rs,45 4@6。 ( 4 ÅÆÇÈXÁÂÃÄWX Fig.4 Nonnegativeconstraintcomparisonof differentαSNR ;êë2/,V$â,*V$ ( 5 ÅÆI± T2ÉÊËWX ¤£¤ÅÝtkSeg£¤Å T22¤¥> Fig.5 ComparisonofT2spectrum inversionresultsof 1ÞUT Ö *$%,ø¼PN/*Z&, V$¤£¤Å1Þ£ UT¬y*$%。r¼ differentmethods £9zl¤£¤Å T22¤¥1Þ£UT ,øNL,;êë2H|T!。
v 3¡ +D9,g:KÕ«/01 |r¼* T22©'£¤ 269 5 5lv-2 \\T2;vz2 Kvª« ¤ý¨>é's*¬·9;ç9, ±¬ ;v³2 SPECTA ®lKÕ«/01 | ª©ª<efPÁy。Í£¤Ç¬·T r¼£¤Å¤©'0* T22;v~2 DISTA !、ç9、jNýbRÝ©'\\T[*Õ:, CIFLog¤,78N¬©'0* T22。 ý¨ùú¸=>É?¤*+,*Iü。 5 5ÏBm1,SPECTAÝ DISTA©'s <[\\]: ¹Øé á - Å。 \\ T 2170~2182m ¨, SPECTAef 30~3000msz/ DISTAý [1] F@ø.= > É ? O ¹ ¤ ; ° ± = > É ? C « l [M]. ¨®ª©ª1Ĺ*Ú Nd。\\T 2200~ ·¸:=1ãä,1998. 2210m ¨,SPECTAÝ DISTAp N d é á z ,¯ SPECTA N°,1ÞyUTVO。\\ [2] DunnKJ,BergmanDJ,LaTorracaGA.NuclearMagneticReso T 2217~2226m¨ i°¨,Kvª«U nance:PetrophysicalandLoggingApplications[M].Pergamon: T!,SPECTAÝ DISTAp&ef> ElsevierScience,2002. 1ÞUT。 [3] ô Ú,¹º',ò»4,g.=>É? T221 ©' ®lKÕ«/01 |r¼£¤Å¤ vo¤[J].¼ ô y u (ª 4 = ã ),2009,39(6): ©'1* T22DZ_*ê,NLø°±。 1150-1155. Í£¤,\\T²*[Þ,ý¨³´ µÄO¹¶* T22©',|。 [4] +D9,!yD,+DE,g.=>É? T22 M-PCÊn ©'>G[J].¼ ô y u (ª 4 = ã ),2011,41(2): 4 579-585. (1)KÕ«/01 £¤ý¨ T22 [5] ! »,F@ø.®lÂv/01 ¥7¤©'=>É? ç*L6,9yLT68äVcl*lPB。 ef[J].±3ª4.,ÆÇ,2015,50(2):376-381. NOaN¬S,ý¨)àNOKO¸·1 ,L©' T22ý¨N> ÉÊ!* [6] +D9,º½,¾¿(.=>É? T229þS©'£¤ ±T。 [J].=ôg;ǤVW,2010,30(5):712-716. (2)r¼£¤Å £ ¤ ý B L * k o â [7] ¹ G,+ 6,À Á \".= > É ? e f P Á * E È © ' ,[\\}Þ7*£¤Å,0°±*£7,Í [J].l;=(AÂ),2001,31(8):730-736. £¤z/V$£¤Å£¤ÝtkSeg£¤Å £¤¬·9!,øV$â,ko\\T[。 [8] DunnK J,LaTorracaG A.TheinversionofNMR logdatasets withdifferentmeasurementerrors[J].JournalofMagneticReso (3)KÕ«/01 |r¼£¤Å£ nance,1999,140(1):153-161. [9] ¹3ø,½ÃÄ.«l1 ¥7o¤*=>É?¤72 £¤[J].±3ª4.,ÆÇ,2003,38(1):91-94. [10] ¹EE,ÅÆÇ,Èî,g.éÖ4ø¡ò=>É? T_2 2©'#£¤[J].¤VW,2016,40(2):161-166. [11] ÷tÉ,Èî,Ê Ë,g.MRT=>É?¤à, %.ÐíC«l[J].¤VW,2018,42(3):325-330. (^_ `W )
v 30w v 3¡ r s t = V y u Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 20209 05: May2020 çéÌÕ3ÅÍ 14¹ÎÏÐ3)*ªé?¡ xðñ1, òóô1, õöM2 (1.·±3y ª4=?,rst y¼ 163318;2.y¼3ÅLÑÒ<=vÓU3&,rst y¼ 163514) a b:*¼÷<yøùú、×;ûü2ý<yÁGþÿAÎÏ,!\"#$%&'( 142 ý*+,8),X*+ø¼,A-.Q,!s×;*K2ý<yÁG。X0KA2ýø /03,81“Y”2、1“λ”2“X”2×;,1D3456、78×;9:¬Ö×Y;l<©= >?ùú×;AÁG。oG2@êA¶<yB@CDEÔFB@GH,I°J* 3.4%。o©ª K*o26Ü&'7ûLî©M~。 cde:<yÁG;ø¼,;×;P:;NOP; doi:10.3969/j.issn.2095-7262.2020.03.008 f(gh):P618.13;TE122 \\i^):2095-7262(2020)03-0270-04 \\]jkl:A GeoloticalmodelingofXing′anlingreservoirin bei14blockofsuderteoilfield WenHuijian1, XingBenkang1, ZhaoGuoshi2 (1.SchoolofEarthScience,NortheastPetroleum University,Daqing163318,China; 2.No.8OilProductionPlant,DaqingOilfieldCo.Ltd.,Daqing163514,China) Abstract:Thispaperisaimedataddressingthedifficultgeologicalmodelingincomplexgeological structureandfaultdevelopmentblocksandproposesthemethodofblockdividedgeologicalmodelingu singlargeboundaryfaultsasboundary.ThestudybuildingonBei14blockofSuderteoilfield,andfine structuralinterpretationinvolvesmultipointcontrolofthecomplexsemi"Y"type,semi"λ"typeand" X"typefaultsintheblockdividedstructuralunits;andcomplexfaultsmodelusingmethodssuchas mainandauxiliaryfaultcoordinationandcuttingbeforeconnection.Thereisanerror(only3.4%) foundbetweenthecalculatedgeologicalreservesandtheactualreserves.Thismethodcouldprovideaba sisformakingtheadjustmentplanofoilfielddevelopmentinthisarea. Keywords:geologicalmodeling;structuralinterpretation;faultcombination;Xing′anlingreservoir çéÌÕ3ÅÍ 14¹Îê먩,0)íî, *Ë3。ÌBçéÌÕ3ÅÍ 14¹Î >GÛ NOxE* 0 Î Ý 0 Ø c ê ë æ Ù [1-3],ë O Í ¹,Ç)0)íî,ê먩¹Î*êë?¡£¤, ¹Îªé?¡2Ty,O M¤3ÅÐíÚ7_ LGçéÌÕ3ÅÍ 14¹ÎêëÜÝ*éê mnop:2019-12-08 qrst:;¿ 863!=V>GíÑg¶BK(2013AA064903) ¥¦uvwx:'ÔÕ(1972-)Ö,\"Ç?·×G,;<,»K,>G£F:38ÅÐíªé,Email:1056437369@qq.com。
v 3¡ 'ÔÕ,g:çéÌÕ3ÅÍ 14¹ÎÏÐ3)*ªé?¡ 271 ,êëvwxH#*78,78s;}ì Ñ3£³ NEEFÝ NEF,'hIe i0è Þ|。êë?¡/ªé?¡9=|*P, ¡é®0^Ýêè0^*µ¶。0)¿÷T9y 0)í*0Î3Åß HI,êë¡ò 5km,BÖ 3km h,9y0= 600m,0=B ·çx)ªé¡ò*³4、ª)*Çàª Ö 100m h。 P,/b9* I Ø [4-7]。 Ì ? @ ¨ © 0 Î 3 1.2.2 ×;P:U= Å<Ô á0)*³êëªé¡ò,¥¦>G¹ *¨©êëÕw,·0)Ñ3£p,Bâ6ª Í 14¹¹Ø ªö0Î,ÈøÏ¥ tF )*}Õw, 3ÅÐí£ã¸¹6ÙxÏ Ý©F 2d0Î;0)hpB“V”ùd|、“Y”ù ä*ªéßà, åv³¹Î?¡6ÙÌæ。 d|、“³ú c ”Ý [ c d | h,> G ¹ 0 ^ d |hp45 2@6。 1 4567 1.1 ÌÍÎ ÍÌçè/ÆÌÞªÈ*-âéçè, içéÌÕêëQ*êM,ÍÌçèÈêëëO Rì,¥d9R,ÍÌçèNd°,íF·£ F, îòïc0;ÑNçè。çéÌÕ3ų ÖçéÌÕêëQ,z·FÑ3,/3Õð ñù8éêíî*ò®9êëQ, -i0)ê M*“çlù”,45 1@6。 ( 2 ®;Ö× Fig.2 Styleoffaultcombination 2 MNOP?Q ( 1 ÏÐÑÒÌL/ 2.1 5ØÙÚ Fig.1 StructurepositionofBeierdepression à¬û/)?¡*éê,?¡àF°ÖL 1.2 Ï 14NÓ%®;ÔÕ ¡ªé>G*Os,XYª)¥)/、uUÕw¥ ÖóxE¡â*êëkO,çéÌÕ3Å ¦、ªü)³78、0)78g>G|。áâêë ?¡hILl PETREL%.,)à%.@ûü*à 0)íî,B·FÑ30);·F0) p,yL¡|@80*@Os¹,Oz«* Ñ3£F h,0)z{ôÇ,ãÝNãNO Èàp,¨%.l,?@àvwø,。 *“ªõ”、“ªö”Ý“0”0)[ÞNp,v X³à、ýà、¥)à、0:à。 êMxá¹-PQHI0Î、0ØæÙ*NO。 2.2 NÓÛg 1.2.1 ×[Q6RS%T ¹Î¶¥*£¤þ¨©¹Î¥7OÈê ì©m)0^*Ñ3£³µ×9,hI ëz-*?¡,¥¥?¡vw?¡, 'hÿÏBL?¡|zS,ø Gx©± ¡|*¬·9[8]。¹Î¶¥By0) D1,Ò Ô}D0)*dªP,þK*¹Î¶¥ 3 ¹Î¥¥vw?¡。¹Î 1É0) 6-,¹Î 2É0) 17-,¹Î 3É0) 8-,¹Î ¶¥45 3@6。
272 r s t = V y u v 30w ( 3 &#NÓÛg 2.4 ®;ߺàáâ %cã Fig.3 Modelingblockpartition 0)¡ò/lF&0)*êë³5Nd 2.3 Ü®ÝÞL C'b*ÇàªP。ªé?¡*éê/?@0 *0: ¤Å0)¡òO*HI )¡ò,0)¡ò/A¬·_çxêë¡ò;b9 ¡ò*ÏP9。0)?¡*=|P 0ãO; à,`a=}0:à*¬·9,â¥)@78 0)*(/ªP。¡¢0))Fz*¡Qv *0:à;ªü780*0)ãvw0: ò/E0)?¡Ul*£¤,'hÏ?@\\T àd|。vw0:d|\"³,ßàè;\\ ïðLM*0)¡ò。{0))Fì,þ1 Tèb|,*\\¡ªP,?@\\T¡ò, Þ0) á、(/BCHy*$%,¡¢ë*þ/ éê,y0:àvw\\¡。0:d|/A ¨©[9-11]。,þN O Á “Y”ò Á “λ”ò 0 |,,8_Ö@?@*\\ªP¬·ëT,\\ªP ),g“Y”ò“λ”ò0)*È¥+(/,,-È ¬·k¡©*0:Eý.Ç!0)ã。 ¥þò±¿÷。-föw,0))Fz,þ 4s*0:!p0)z ,û¥¦ NOÁ “Y”ò 0 ); ÷ ö w ,0 ) ) F z #$Cêëe^,~0Í0:«Í!%0)ã ,þNO Á “λ”ò 0 )。 ® l ³ N c ê M ,45 4@6。 :êM0)*.Fc%。/0)íî*¨©ëT C0)\\T*y,F·çêM:*ÇØ。{ ( 4 Ï 14NÓ 2N®ÝÞL 0)\\Tøc,®l 2êM:Fê Fig.4 No.2partionbreakpointresetofBei14block M0)c,{0)\\Tyøc¨©,7l 5 êM:FêM0)*c。,(/0),7 k5 4lÏBm1,Í 14¹Îvz¥¹0: ç--0) h0),,-- 00)。-qþ 41,ÏB| 31,0:d| 75.61%,l íî、0 = y、¿ ÷ T y * 0 ) h 0 0=yÖ 15m*0: 23,ÏB|*0: 22 ),,-- 00)。4s1Þ“X”ò0),`ay ,0:d| 96%,0:d| !,ùú?¡ l--0)Ll/0,/0©¥¥;,--0) ûü。 z°,“X”ò0)+/0*1-0)+¥ p 0),'p0)vwH#°Ç*ël,· 0:;0)ãÞ|,)³0¿;L¡ªéÜÝ,0) pDª)Ñ3N¹、hT>q,0)*0:;êëã *23-Å,ì-Å,Zêëã*g íF2 3y0)*³4vw¸,Lp23z。 2.5 Ì#$ êë¡òXY0)¡òÝ)ã¡ò。0)¡ ò/êë¡ ò l 8 _ ç l * e ^,> G ¹ 0 )í î,0 ) Ç à ª P ¨ ©, 0 : \" ³, 0)³ d |,Õ { ¸ ¹ 0 ) * ³ 4 Ý 0 ) *cL0 0 : ³ 4 ; 0 ) ¡ ò Þ |,· ç x 0 )* Ç ª P[12-14],9 ! } l ¹ É 17- 0),? @ x z « * 0 ) ¡ ò,4 5 5a@ 6。® lªü78 \\ ¡ © * \\ ° ó ã ê ë 5,ê ? ³?¡) ã à, * ª é ¥ ) à ê ëãvw â,L @ * ¥ ) s ; ê ë ) ã Þ|。0 ) ¡ ò Ý ) ã ¡ ò ? @ * é ê ,v w³5?¡,9 0 > G ¹ è * ê ë ¡ ò 4 5 5b@6。9 ? @ * ê ë ¡ ò N O Ä ¹ * à Ø , © ± * ) ¡ ò 、 ¡ Ý 3 5 ¥ ¦ g 6 Ù Û Ý?@éê。
v 3¡ 'ÔÕ,g:çéÌÕ3ÅÍ 14¹ÎÏÐ3)*ªé?¡ 273 )¡ò、¡Ý35¥¦|6ÙÛ, v³¹Î ªé¡ò?@6ÙZÒ。 ( 5 Ï 14NÓ#$ <[\\]: Fig.5 ModelingofBei14block [1] òø¶,6 6,7wý,g.ÆÌÞªÍÌçè÷Ñ0) 2.6 &# 89:lCuUl*M¤[J].¼ôyu(ª ®l?*ªé¡òvwªézgo,;Þ 4=ã),2012,42(1):1330-1337. s}«zz/,rÃ4 3.4%,~x¡ò* [2] Ð+#,ë;<,=øD,g.ÆÌÞªÍÌçè0^PcC ¬·9。 38kV*êMl[J].ªéÚÃ,2011,57(1):89-100. 3 )* [3] > 4,+ñ?,÷íþ,g.÷Ñ0èÞª*'SÕw——— BÆÌÞªÍÌçè Î [J].Þ$ªé,2005,19(1): /0)íî,0) !ªP¨©¹Î*ªé 287-294. ?¡,61By0) D1*¥¹Îªé?¡£¤, ê먩¹Î*ªé?¡6Ù#*Ìæ。¶¥ [4] @u(,ÖÏ#.)³ ª é ? ¡ é z ê M * ª « : [J]. *¹Î,vwêë?¡L`avw0:\" ÆæªéLS,2011,27(7):64 -69. ³,·0) 7 8 ¬ ·, ¨ © Á “Y”ò、Á “λ”ò C Xò0),UlE:êM,h00)5|Ca/ [5] +4,Í+A,+j,g.SN31)³ªé?¡[J]. 0©°Çg£¤vw¨©0)*?¡。®lͪé îv8ª4=,2006,17(6):811-814. ¡òvw z g o,; Þ s } « z z /,r à 4 3.4%~x¡ò*¬·9,Ï Í¹©±* [6] BCÝ,+DD.)ªé?¡*Þc;ÑE[J].Æz38 ªé,2007,12(3):53-60. [7] FÑ7,G?R,Öéa,g.n#\\سêòªé?¡ C«l[J].;±3yu(Kv=ã),2010,32(4): 20-26. [8] Ùò#,Cs#,÷ÝN,g.éÖuU1ã*¼)?¡£ ¤Ç[J].±3ÆÇ;Ðí,2013,40(5):591-594. [9] HôI,+'¼,Ê ½,g.¥Î¹è³ªé?¡£¤. ¼ôyu(ª4=ã),2014,44(6):2051-2058. [10] ¬ J h,« <.³ ê ë ? ¡ ¨ © 0 Î 3 5 l * « l———BKçè«L3Åà 950Î35 Î[J].±3 ;îv8ªé,2010,31(2):198-205. [11] øMN,5Oí.¨©êë?¡*,Ú;VWPê.±3 u,2011,32(6):991-1000. [12] +Q§,R S,ëyT,g.³êë?¡VW>G[J]. ª4=,2016,41(12):2136-2146. [13] CherpeauN,CaumonG,LevyB.Stochasticsimulationsoffault networksin3D structuralmodeling[J]. ComputersGeosci ences,2010,342(9):687-694. [14] U,R S,VóW,g.·¸X#1³ªéê ¡òê?[J].·¸yu(Kv=ã),2009,45(1): 111-119. (^_ )
v 30w v 3¡ r s t = V y u Vol.30 No.3 JournalofHeilongjiangUniversityofScience& Technology 20209 05: May2020 ìYf/d|Zb[\\Ø*jü9ý VWX1, YZ1, [ \\1, ] ^2 (1.·±3y ¯]?^|ë?,rst y¼ 163318;2.·±3y cÊÈ,rst y¼ 163318) a b:*KL_`a -bcdP:efghïfAÝiÚj,kD ABAQUS0IJ ÁÂælmHKn* 0.4、0.5、0.6、0.7A 4o_`a -bcdP:efghïG2,KLæpq lmH=refghïAÝiÚj、stu、vwtu、xÚ、yqzd!{jjf。fgh i:_`a -bcdP:efghï|}~A{jjf;lmHTs,yqzdëqTí;lmH * 0.5,_`a -bcdP:efghïxÚr,{jr3,|AÝiÚj。 cde:_`a -bcdP:efg;hï;ÝiÚj;lmH doi:10.3969/j.issn.2095-7262.2020.03.009 f(gh):TD823 \\i^):2095-7262(2020)03-0274-04 \\]jkl:A Seismicperformanceofcompositeshearwallsquare cylinderunderdifferentaxialcompressionratios YuanZhaoqing1, WangZhongquan1, ZhangJie1, LiuYan2 (1.SchoolofCivilEngineering& Architecture,NortheastPetroleum University,Daqing163318,China; 2.UnitedFrontDepartment,NortheastPetroleum University,Daqing163318,China) Abstract:Thispaperaimstoanalyzethedoublesteelplateconcretecompositeshearwallsquarecyl inderfortheseismicperformance.Thestudyinvolvesestablishingfourmodelswithaxialcompressionra tioof0.4,0.5,0.6and0.7usingABAQUSfiniteelementsoftwareandanalyzingtheseismicperform ance,hystereticcurve,skeletoncurve,ductility,stiffnessdegradation,andenergydissipationcapacity ofeachshearwallsquarecylinderunderdifferentaxialcompressionratio.Theresultsshowthatthedoub lesteelplateconcretecompositeshearwallsquarecylinderdemonstratesastrongenergydissipationca pacity;thelargertheaxialcompressionratiois,thefasterthestiffnessdegradationis;andtheaxialcom pressionratio(0.5)givesthedoublesteelplateconcretecompositeshearwallsquarecylinderthebest ductility,themostcumulativeenergyconsumption,andabetterseismicperformance. Keywords:doublesteelplateconcretecompositeshearwall;squarecylinder;seismicperform ance;axialcompressionratio mnop:2020-04-06 qrst:;¿Kv=é_BK(51608180) ¥¦uvwx:¦Á¼(1970-),F,rst?ßG,;<,»K,>G£F:|ëêjü,Email:yvq@sina.com。
v 3¡ ¦Á¼,g:ìYf/d|Zb[\\Ø*jü9ý 275 0 ! \" e 0.6。¡ò®¯D1-. Äç,óÈ lgf4ZÒ: RP-1,y;óãn|,yEF `i¯ -ab¯d|Zb[Bþ*jü9 ¼lb 3719kN;aN³´ºGZÒ:。 ý,L0\\F\\E*;ÑÐ}~>G。4 c?;g[1-2]、%dôg[3]、eOg[4]`i¯ )àL~¡ògos;}~s/ ab¯d|Zb[Çþ*fýýb。\\Ø (5 2)、`ONp/(5 3)01:p`ONpé êhBþ*jü9ý+CD«l[5-6],ÒÔ á-Å,> ê.®Èab¯f$,Öop}¯ ?^.lg¹è®lô[、h[iáðO b1Þp¬N。pqPNcz³,M *\\Øê ?^.hI*jjbê,Ìy` r9WTLê.Ë!,rà 1.75%;rs9 i¯ -ab¯d|Zb[ðO\\Øê,NO`i ¨Lê.VtHI;Vt³´>!Ö}~ê ¯ -ab ¯ d | Z b [ \\ Ø,¥ ¦ Y f / ` i .,rÃ¥¥ 8.16%、2.48%;Lê.Ú H ¯ -ab¯d|Zb[\\Øjü9ý*µ¶。 I;Ú ³´>&Ö}~ê.,rÃ¥¥ 5.51%、 4.23%。rÃ*xe:~¡òl*u++Ü 1 RST?QKU />q*,ê.ñMè,i¯°Çñè, }«}~ê.*u+、ê.*°Çè。 á'ßà'k[7-8]?@L~¡ò,® ~¡ògos;}~s/ÏB01,Ll l ABAQUSL%.?@;}~¡ò DCSW1A ABAQUSý¨¬·*¡¢`i¯ab¯d|Zb BÄz*¡ò DCSW1-1,i¯Ul S4Rl [v¨HIl*wä9ý。 ,ab¯Ul C3D8R}Ø,C5 1。i¯; ab¯b ] L ´ ª P,¤ F Ç à n Ç à, !FÇà mÇà,jFWXe 0.25,®ÈWX ( 1 ¾äå#$O=æç ( 2 ¾äåO=æWX Fig.1 Finiteelementmodelandtestpiece Fig.2 Comparisonbetweenfiniteelementresults andtestresults
276 r s t = V y u v 30w ( 5 1íî Fig.5 Sectionsize ( 3 èéê×WX Fig.3 Comparisonoffailuremodes 2 RST?QVWX Ll ABAQUSL¥¦%.?@`i¯ - ( 6 DHïðI× ab¯ d | Z b [ \\ Ø ¡ ò ZT-0.4,i ¯ U l Fig.6 Horizontalloadingmode S4Rl ,a b ¯ U l C3D8R} Ø 。¡ ò ZT-0.4AB:!T 8000mm,[h 100mm,\\Ød 8 1 #$<5 /ã 4000mm×4000mm,Xi¯hT 10mm, Table1 Modelspecimenparameters Ul}¯°Ç,¡ò6É5C5 4,/ãABC5 5。 ¡òYf/ 0.4,D1-. ®ÈÄç,i¯ ¸. Yf/ ab¯ i¯ !/ ;ab¯bÇà !FmÇà,WXe 0.25, ¤FnÇà,iu、ab¯áê¡ò>;~¡òz ZT-0.4 0.4 C30 Q235B 2 ,óÈlgf4ZÒ: RP-1,y;óãn |,yEF¼lb;aN³´ºGZÒ:,aN ZT-0.5 0.5 C30 Q235B 2 GI£pC5 6。¡ò ZT-0.4éê,4¬ Yf/y?@¡ò ZT-0.5、ZT-0.6、ZT-0.7。 ZT-0.6 0.6 C30 Q235B 2 ZTPQ¡òÇØZC[ 1。 ZT-0.7 0.7 C30 Q235B 2 ( 4 #$ëì Fig.4 Schematicofmodels 3 RST108YZ,[ 3.1 ñòóôOõöóô 5 7@6 ZTPQ¡òHI -³´wä ;H I -³ ´ q P 。k 5 l Ï B m 1,` i ¯ -ab¯d|Zb[\\ØYf/¥¥ 0.4、 0.5、0.6、0.7,w ä x @ ù,w ä ö z x N, `i¯ -ab¯d|Zb[\\Øfýýb R。¼½Yf/* y,wäNc\\F\\y N。y<Yf/wäoâzöGI*Ú : ßâ°ÇNOqP,ÏBm1:<Yf/qP Ncz³,r9¨éáH|;¯Yf/\\y, qP{:1Þ\\|, ¸.v¨rs9¨ \\|,Ú HI\\,LHI\\。