Article(id=1322164823769601000, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1733587200000, receivedDateStr=2024-12-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793158258620, onlineDateStr=2026-10-28, pubDate=1766592000000, pubDateStr=2025-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793158258620, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793158258620, creator=13701087609, updateTime=1793158258620, updator=13701087609, issue=Issue{id=1322164760943116291, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='12', pageStart='1', pageEnd='302', issueExtLink='null', onlineDate='null', pubDate='1766592000000', pubDateStr='2025-12-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793158243641, creator='13701087609', updateTime=1793158929367, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167637195477357, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167637199671662, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=195, endPage=207, ext={EN=ArticleExt(id=1322164823975121897, articleId=1322164823769601000, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on the Microscopic Mechanism of En-Echelon Fracture in Shale Under Compression-Shear Loading, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to explore the effect of shear slip on the communication and connection of multiple tensile cracks in shale, based on the indoor compression-shear test, the fracture process of shale with different bedding angles was studied by PFC2D from the microscopic point of view. The characteristics of initiation, propagation, communication and connection of en-echelon fracture, as well as the effect of bedding direction, were analyzed, and the influence of each main control factor on en-echelon fracture was discussed. The results show that in the compression-shear fracture process of shale, the en-echelon tensile fracture of the oblique shear plane first initiate near the shear plane. When the expansion of the en-echelon fracture gradually slows down or even is blocked, the shear cracks initiated from both ends of the shear plane rapidly expand and penetrate the en-echelon fracture, forming a macroscopic shear fracture zone. The morphology of en-echelon fracture formed in the process of compression-shear shows obvious bedding direction effect. The shale with bedding angle of 0° is sheared along the bedding, and no en-echelon fracture are formed. The shale with bedding angle of 30°, 45°, 60° and 90° forms en-echelon fracture with uniform oblique bedding, while the shale with bedding angle of 120°, 135° and 150° forms en-echelon fracture along bedding or oblique bedding, and the scale of en-echelon fracture shows anisotropic characteristics. The en-echelon fracture formed in the process of compression-shear fracture are mainly tensile cracks, and the en-echelon fracture are mainly connected by shear cracks to form shear fracture zones. The number of bedding has no obvious effect on the shape and scale of en-echelon fracture propagation. With the increase of bedding cementation strength, the scale of en-echelon fracture shows a certain weakening trend, and the width and size of shear fracture zone are obviously reduced.
, authors=Xiaoyan FENG
1, Shuai HENG
1, 2, Duanwei CAO
1, Hongyu LIU
1, Chenxing WANG
1, authorsList=Xiaoyan FENG, Shuai HENG, Duanwei CAO, Hongyu LIU, Chenxing WANG, authorCompany=null, correspAuthors=Shuai HENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322164830761504781, articleId=1322164823769601000, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=压–剪作用下页岩雁列状断裂的微细观机制研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=
为探讨剪切滑移对页岩多张拉裂纹的沟通连接作用,在室内压–剪试验的基础上,通过PFC2D从微细观角度对不同层理角度页岩的断裂过程进行了研究,分析了雁列状裂缝的萌生、扩展与沟通连接特征,以及其层理方向效应,探讨了各主控因素对雁列状断裂的影响规律。结果表明:页岩压–剪断裂过程中,首先在剪切面附近萌生斜交剪切面的雁列状张拉裂缝,当雁列状裂缝的扩展逐渐减慢甚至受阻后,自剪切面两端萌生的剪切裂纹迅速扩展并贯穿雁列状裂缝,形成宏观剪切破裂带;压–剪过程中形成的雁列状裂缝的形态呈现出明显的层理方向效应,层理角度为0°的页岩沿层理剪切,未形成雁列状裂缝,层理角度为30°、45°、60°和90°的页岩形成了均斜交层理的雁列状裂缝,而层理角度为120°、135°和150°的页岩形成了沿层理或斜交层理的雁列状裂缝,且雁列状裂缝的尺度呈现出各向异性特征;压–剪断裂过程中形成的雁列状裂缝主要为张拉裂纹,而雁列状裂缝主要靠剪切裂纹沟通连接形成剪切破裂带;层理数目对雁列状裂缝扩展形态和尺度的影响不明显,而随着层理胶结强度的提高,雁列状裂缝尺度呈现出一定的减弱趋势,剪切破裂带的宽度和尺寸明显减少。
, authors=冯笑颜
1, 衡帅
1, 2, 曹端伟
1, 刘鸿宇
1, 王琛星
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冯笑颜(2000—),男,河南荥阳人,硕士研究生,主要从事低渗透岩石水力压裂和岩石力学等方面的研究。E-mail:fxy18737131737@163.com
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冯笑颜(2000—),男,河南荥阳人,硕士研究生,主要从事低渗透岩石水力压裂和岩石力学等方面的研究。E-mail:fxy18737131737@163.com
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Loading equipment for shale compression-shear fracture test, figureFileSmall=UVehHxNY7aIQqeGZzcINfg==, figureFileBig=cO0gug9ruxxbjl/6nZS/QQ==, tableContent=null), ArticleFig(id=1322164837782769723, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图1, caption=
页岩压–剪断裂试验加载装置, figureFileSmall=UVehHxNY7aIQqeGZzcINfg==, figureFileBig=cO0gug9ruxxbjl/6nZS/QQ==, tableContent=null), ArticleFig(id=1322164839674400828, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.2, caption=
Shale model and its mineral composition, figureFileSmall=R9RyK5AJZ0IMNLiLnB9h4w==, figureFileBig=72x938jyum36bNIFFnZBUQ==, tableContent=null), ArticleFig(id=1322164839846367293, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图2, caption=
页岩模型及其矿物成分, figureFileSmall=R9RyK5AJZ0IMNLiLnB9h4w==, figureFileBig=72x938jyum36bNIFFnZBUQ==, tableContent=null), ArticleFig(id=1322164839959613502, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.3, caption=
Numerical calculation model of shale compression-shear under different bedding angles, figureFileSmall=Ko+sruwraeVJozjxHrjrNA==, figureFileBig=ftMe9/l9LGNxVZpAQLNOyw==, tableContent=null), ArticleFig(id=1322164840106414143, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图3, caption=
不同层理角度下页岩压–剪数值计算模型, figureFileSmall=Ko+sruwraeVJozjxHrjrNA==, figureFileBig=ftMe9/l9LGNxVZpAQLNOyw==, tableContent=null), ArticleFig(id=1322164840232243264, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.4, caption=
Comparison of partial test load-shear displacement curves with PFC simulation curves, figureFileSmall=3iYv9rl8OfIgJWIA0QA0rQ==, figureFileBig=bLpudoRX9tqn8daqV94t0g==, tableContent=null), ArticleFig(id=1322164840299352129, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图4, caption=
部分试验荷载–剪切位移曲线与PFC模拟曲线的对比, figureFileSmall=3iYv9rl8OfIgJWIA0QA0rQ==, figureFileBig=bLpudoRX9tqn8daqV94t0g==, tableContent=null), ArticleFig(id=1322164840370655298, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.5, caption=
Fracture morphology comparison of laboratory test and PFC2D simulation of shale, figureFileSmall=FeWj/4IT/w3GXean4i80NA==, figureFileBig=KU6GR8lVGEs3DAbooz9sNg==, tableContent=null), ArticleFig(id=1322164840433569859, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图5, caption=
页岩室内试验与PFC2D模拟的破裂形态对比, figureFileSmall=FeWj/4IT/w3GXean4i80NA==, figureFileBig=KU6GR8lVGEs3DAbooz9sNg==, tableContent=null), ArticleFig(id=1322164840521650244, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.6, caption=
Variation curves of load and acoustic emission events of shale with shear displacement, figureFileSmall=D4tLYjT4KczqYKhRJBvfxA==, figureFileBig=4N4mX5JgUEFRS/vKjypjKQ==, tableContent=null), ArticleFig(id=1322164840609730629, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图6, caption=
页岩荷载和声发射事件随剪切位移的变化曲线, figureFileSmall=D4tLYjT4KczqYKhRJBvfxA==, figureFileBig=4N4mX5JgUEFRS/vKjypjKQ==, tableContent=null), ArticleFig(id=1322164840702005318, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.7, caption=
The number of cracks of A–D point and its proportion, figureFileSmall=9oQzjNaN8ungRU5wy60Uww==, figureFileBig=WtCz9nfEA4ZAnZqvSQuQcA==, tableContent=null), ArticleFig(id=1322164840769114183, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图7, caption=
A~D点裂纹数及其占比, figureFileSmall=9oQzjNaN8ungRU5wy60Uww==, figureFileBig=WtCz9nfEA4ZAnZqvSQuQcA==, tableContent=null), ArticleFig(id=1322164840836223048, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.8, caption=
The evolution of deformation and fracture characteristics in different fracture stages, figureFileSmall=vHprFTAGmiss9SqvXAW50A==, figureFileBig=31PAr3K3JXEn89dV2uqAHA==, tableContent=null), ArticleFig(id=1322164840915914825, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图8, caption=
不同断裂阶段变形与破裂特征演化, figureFileSmall=vHprFTAGmiss9SqvXAW50A==, figureFileBig=31PAr3K3JXEn89dV2uqAHA==, tableContent=null), ArticleFig(id=1322164841008189514, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.9, caption=
The number and proportion of microcracks in the process of shale compression-shear fracture under different bedding angles, figureFileSmall=1bnHlxGj8MQ26KauwTHlgw==, figureFileBig=vp60mKkDa1fD204HokSlAw==, tableContent=null), ArticleFig(id=1322164841092075595, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图9, caption=
不同层理角度下页岩压–剪断裂过程中微裂纹数及其占比, figureFileSmall=1bnHlxGj8MQ26KauwTHlgw==, figureFileBig=vp60mKkDa1fD204HokSlAw==, tableContent=null), ArticleFig(id=1322164841175961676, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.10, caption=
Crack propagation law of shale when bedding angle is 0°, figureFileSmall=vpG9GGmobGaKDPFc39SDvA==, figureFileBig=ikvu/PPG3IL3Yonki7BrVA==, tableContent=null), ArticleFig(id=1322164841251459149, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图10, caption=
层理角度为0°时页岩裂纹扩展规律, figureFileSmall=vpG9GGmobGaKDPFc39SDvA==, figureFileBig=ikvu/PPG3IL3Yonki7BrVA==, tableContent=null), ArticleFig(id=1322164841377288270, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.11, caption=
Crack propagation law of shale when bedding angle is 30°, figureFileSmall=jEmUfwjWyW+gMybKveSYSQ==, figureFileBig=PEU6pUHEnKvmSYlJUAOUqg==, tableContent=null), ArticleFig(id=1322164841461174351, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图11, caption=
层理角度为30°时页岩裂纹扩展规律, figureFileSmall=jEmUfwjWyW+gMybKveSYSQ==, figureFileBig=PEU6pUHEnKvmSYlJUAOUqg==, tableContent=null), ArticleFig(id=1322164841540866128, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.12, caption=
Crack propagation law of shale when bedding angle is 90°, figureFileSmall=UB3s8FIfEJoZslLnsYl78g==, figureFileBig=k6JbR+DaARKHp/UkdbCIBw==, tableContent=null), ArticleFig(id=1322164841616363601, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图12, caption=
层理角度为90°时页岩裂纹扩展规律, figureFileSmall=UB3s8FIfEJoZslLnsYl78g==, figureFileBig=k6JbR+DaARKHp/UkdbCIBw==, tableContent=null), ArticleFig(id=1322164841729609810, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.13, caption=
Crack propagation law of shale when bedding angle is 120°, figureFileSmall=PxwcGPLX12jYhCG0d1Xotw==, figureFileBig=slH6/Sw7lJu8o5J+2C6cfg==, tableContent=null), ArticleFig(id=1322164841826078803, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图13, caption=
层理角度为120°时页岩裂纹扩展规律, figureFileSmall=PxwcGPLX12jYhCG0d1Xotw==, figureFileBig=slH6/Sw7lJu8o5J+2C6cfg==, tableContent=null), ArticleFig(id=1322164841935130708, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.14, caption=
Comparison of fracture morphology obtained by laboratory test and PFC2D simulation, figureFileSmall=hlgGQNJdItlXSr1ibhSX1w==, figureFileBig=gSI0ib9fLq5yB7m63nUbcg==, tableContent=null), ArticleFig(id=1322164842031599701, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图14, caption=
室内试验与PFC2D模拟得到的破裂形态对比, figureFileSmall=hlgGQNJdItlXSr1ibhSX1w==, figureFileBig=gSI0ib9fLq5yB7m63nUbcg==, tableContent=null), ArticleFig(id=1322164842098708566, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.15, caption=
Compression-shear fracture model of shale with different degree of bedding development, figureFileSmall=HGtp3H3Onin+iiwEMc+Cgw==, figureFileBig=l5Jwpwl3Hc2FIe3N9F2d7A==, tableContent=null), ArticleFig(id=1322164842157428823, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图15, caption=
不同层理发育程度页岩的压–剪断裂模型, figureFileSmall=HGtp3H3Onin+iiwEMc+Cgw==, figureFileBig=l5Jwpwl3Hc2FIe3N9F2d7A==, tableContent=null), ArticleFig(id=1322164842220343384, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.16, caption=
Crack propagation morphology of shale with different degree of bedding development, figureFileSmall=FGI8oMvQ1/roNYHfP4T9iQ==, figureFileBig=yk7pWTLScAktAPJYke0mUQ==, tableContent=null), ArticleFig(id=1322164843868704857, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图16, caption=
不同层理发育程度页岩的裂纹扩展形态, figureFileSmall=FGI8oMvQ1/roNYHfP4T9iQ==, figureFileBig=yk7pWTLScAktAPJYke0mUQ==, tableContent=null), ArticleFig(id=1322164843940008026, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Fig.17, caption=
Crack propagation morphology of shale with different bedding strength, figureFileSmall=IEL52SieFNE9uiQO93ZHPw==, figureFileBig=Ce4HwP149wcRZOHSo6Lgew==, tableContent=null), ArticleFig(id=1322164844028088411, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=图17, caption=
不同层理强度页岩的裂纹扩展形态, figureFileSmall=IEL52SieFNE9uiQO93ZHPw==, figureFileBig=Ce4HwP149wcRZOHSo6Lgew==, tableContent=null), ArticleFig(id=1322164844099391580, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Table 1, caption=
Mineral composition of shale model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 矿物组成名称 | 占比/% | 密度/(g/cm3) | 颗粒半径/mm |
|---|
| 钠长石 | 14.38 | 2.62 | 0.250 |
| 方解石 | 4.18 | 2.80 | 0.120 |
| 方石英 | 3.45 | 2.64 | 0.280 |
| 白云母 | 5.92 | 3.00 | 0.110 |
| 伊利石 | 3.46 | 2.70 | 0.100 |
| 其他有机物 | 10.61 | 1.20 | 0.350 |
| 石英 | 53.41 | 2.65 | 0.300 |
| 黄铁矿 | 4.59 | 5.10 | 0.075 |
), ArticleFig(id=1322164844275552349, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=表1, caption=
页岩模型的矿物组成
, figureFileSmall=null, figureFileBig=null, tableContent=
| 矿物组成名称 | 占比/% | 密度/(g/cm3) | 颗粒半径/mm |
|---|
| 钠长石 | 14.38 | 2.62 | 0.250 |
| 方解石 | 4.18 | 2.80 | 0.120 |
| 方石英 | 3.45 | 2.64 | 0.280 |
| 白云母 | 5.92 | 3.00 | 0.110 |
| 伊利石 | 3.46 | 2.70 | 0.100 |
| 其他有机物 | 10.61 | 1.20 | 0.350 |
| 石英 | 53.41 | 2.65 | 0.300 |
| 黄铁矿 | 4.59 | 5.10 | 0.075 |
), ArticleFig(id=1322164844363632734, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Table 2, caption=
Microscopic parameters of particle flow numerical calculation model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 最小颗粒半径Rmin/mm | 最大颗粒半径Rmax/mm | 线性接触模型有效模量E*/GPa | 刚度比K* | 摩擦因数 | 颗粒密度ρ/(g/cm3) | 平行黏结模型有效模量E*/MPa |
| 0.075 | 0.35 | 0.8 | 1.0 | 0.5 | 1.2~5.1 | 80 |
| 阻尼比K* | 孔隙率P | 平行黏结模型抗拉强度σt/MPa | 平行黏结模型黏聚力c/MPa | 层理抗拉强度 /MPa | 层理黏聚力c*/MPa | 内摩擦角φ/(°) |
| 0.5 | 0.2 | 8 | 8 | 3 | 3.5 | 40 |
), ArticleFig(id=1322164844455907423, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=表2, caption=
颗粒流数值计算模型的微观参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 最小颗粒半径Rmin/mm | 最大颗粒半径Rmax/mm | 线性接触模型有效模量E*/GPa | 刚度比K* | 摩擦因数 | 颗粒密度ρ/(g/cm3) | 平行黏结模型有效模量E*/MPa |
| 0.075 | 0.35 | 0.8 | 1.0 | 0.5 | 1.2~5.1 | 80 |
| 阻尼比K* | 孔隙率P | 平行黏结模型抗拉强度σt/MPa | 平行黏结模型黏聚力c/MPa | 层理抗拉强度 /MPa | 层理黏聚力c*/MPa | 内摩擦角φ/(°) |
| 0.5 | 0.2 | 8 | 8 | 3 | 3.5 | 40 |
), ArticleFig(id=1322164844552376416, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=EN, label=Table 3, caption=
Main parameters of compression-shear test of shale
, figureFileSmall=null, figureFileBig=null, tableContent=
| 层理角度/(°) | 破坏荷载/kN | 正应力/MPa | 剪应力/MPa | 剪切倾角/(°) |
|---|
| 0 | 257.64 | 35.03 | 96.87 | 70 |
| 30 | 303.11 | 41.22 | 114.34 |
| 45 | 274.47 | 37.32 | 103.19 |
| 60 | 274.48 | 37.23 | 103.20 |
| 90 | 309.04 | 39.51 | 116.20 |
| 120 | 344.75 | 46.88 | 129.63 |
| 135 | 373.44 | 50.78 | 140.41 |
| 150 | 348.57 | 47.22 | 131.06 |
), ArticleFig(id=1322164844632068193, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164823769601000, language=CN, label=表3, caption=
页岩压–剪试验主要参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 层理角度/(°) | 破坏荷载/kN | 正应力/MPa | 剪应力/MPa | 剪切倾角/(°) |
|---|
| 0 | 257.64 | 35.03 | 96.87 | 70 |
| 30 | 303.11 | 41.22 | 114.34 |
| 45 | 274.47 | 37.32 | 103.19 |
| 60 | 274.48 | 37.23 | 103.20 |
| 90 | 309.04 | 39.51 | 116.20 |
| 120 | 344.75 | 46.88 | 129.63 |
| 135 | 373.44 | 50.78 | 140.41 |
| 150 | 348.57 | 47.22 | 131.06 |
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