Article(id=1325134261933703792, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325132844594503961, articleNumber=null, orderNo=null, doi=10.11858/gywlxb.20230746, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1696608000000, receivedDateStr=2023-10-07, revisedDate=1698595200000, revisedDateStr=2023-10-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1793866227848, onlineDateStr=2026-11-05, pubDate=1707062400000, pubDateStr=2024-02-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793866227848, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793866227848, creator=13701087609, updateTime=1793866227848, updator=13701087609, issue=Issue{id=1325132844594503961, tenantId=1146029695717560320, journalId=1255847867265597444, year='2024', volume='38', issue='1', pageStart='1', pageEnd='015202-10', issueExtLink='null', onlineDate='null', pubDate='1707062400000', pubDateStr='2024-02-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793865889929, creator='13701087609', updateTime=1793865889929, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=014201-1, endPage=014201-14, ext={EN=ArticleExt(id=1325134277477794419, articleId=1325134261933703792, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Mechanical Properties and Energy Evolution Characteristics of Fracture-Bearing Rocks under Uniaxial Compression, columnId=1256186032609965039, journalTitle=Chinese Journal of High Pressure Physics, columnName=Dynamic Response of Matter, runingTitle=null, highlight=null, articleAbstract=
To study the influence of crack inclination angle on the mechanical properties and the energy evolution mechanism during the rock failure, a calculation model was constructed based on the particle flow dispersion element numerical platform, and uniaxial compression numerical experiments were conducted on rock samples with different crack inclination angles. The research results indicate that as the crack inclination angle increases, the peak strength and elastic modulus of fractured rocks show a “V” shaped trend of first decreasing and then increasing. When the crack inclination angle is small, the rock sample mainly undergoes shear failure and vertical splitting failure, and the number of tensile and shear cracks mainly increases in a stepped pattern. The larger the crack inclination angle, the more the rock failure mode will transition to a mixture of vertical splitting and shear failure, and the curve of the number of tensile and shear cracks will increase exponentially. As the crack inclination angle increases, the total input energy and elastic strain energy of the rock sample show a trend of first decreasing and then increasing. The larger the crack inclination angle, the faster the increase in dissipated energy, but the lower the final dissipated energy when the rock sample fails. The existence of cracks significantly weakens the energy storage limit, weakens the ability of the rock to absorb and store elastic strain energy, and enhances its energy dissipation ability at peak stress in the rock specimen during compressive failure.
, authors=Erbo WANG1, Zhifeng WANG1
, 2
, *, Yaqiong WANG1
, 2, authorsList=Erbo WANG, Zhifeng WANG, Yaqiong WANG, authorCompany=null, correspAuthors=Zhifeng WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2024 Chinese Journal of High Pressure Physics. All rights reserved., 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=1325134369786036897, articleId=1325134261933703792, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=含裂隙岩石单轴压缩下力学性能及能量演化机制研究, columnId=1256186033331385334, journalTitle=高压物理学报, columnName=高压下物质的动态响应, runingTitle=null, highlight=null, articleAbstract=
为了研究裂隙倾角对岩石力学性能以及破坏过程中能量演化机制的影响,基于颗粒流离散元数值平台,构建了具有不同裂隙倾角的岩石的计算模型,开展了含不同裂隙倾角岩石的单轴压缩数值试验研究。结果表明:随着裂隙倾角的增大,裂隙岩石的峰值强度和弹性模量均呈先减小后增大的“V”形变化趋势;当裂隙倾角较小时,岩石试样主要发生剪切破坏和竖向劈裂破坏,拉剪裂纹数主要呈台阶式增长;裂隙倾角越大,岩石破坏模式将过渡为竖向劈裂和剪切的混合破坏,拉剪裂纹数变化曲线呈指数增长;随着裂隙倾角的增大,岩石试样的总输入能量和弹性应变能呈先减小后增大的变化趋势;裂隙角度越大,耗散能上升越快,但试样破坏时的最终耗散能则越低。裂隙结构的存在对试样在受压破坏时的储能极限均有明显的弱化作用,削弱了岩石吸收和储存弹性应变能的能力,增强了其在峰值应力处的能量耗散能力。
, authors=王二博1, 王志丰1
, 2
, *, 王亚琼1
, 2, authorsList=王二博, 王志丰, 王亚琼, authorCompany=null, correspAuthors=王志丰, authorNote=
, correspAuthorsNote=
, copyrightStatement=版权所有©《高压物理学报》编辑部 2024, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=5pumYxwzMF+7VQi6aarH/w==, magXml=cNeypee8LrTx6uxCykx4wA==, pdfUrl=null, pdf=3Q1RllkoYic0kTzJT6Jpnw==, pdfFileSize=12392880, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=k7d4tESj/AaXVovX4l/H+w==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=60tG9jz6mMa4TRR1TMx9hQ==, mapNumber=null, fund=null)}, authors=[Author(id=1325134382033404585, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=web617@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1325134383526576811, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, authorId=1325134382033404585, language=EN, stringName=Erbo WANG, firstName=Erbo, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=
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王二博(1995-),男,博士研究生,主要从事隧道与地下工程研究. E-mail:web617@163.com
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王二博(1995-),男,博士研究生,主要从事隧道与地下工程研究. E-mail:web617@163.com
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1School of Highway, Chang’an University, Xi’an 710064, Shaanxi, China
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1长安大学公路学院, 陕西 西安 710064
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1School of Highway, Chang’an University, Xi’an 710064, Shaanxi, China
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Numerical model for rock samples with crack, figureFileSmall=AWC32WH4kTvlixXwySaIcQ==, figureFileBig=k7d4tESj/AaXVovX4l/H+w==, tableContent=null), ArticleFig(id=1325134419811500749, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图1, caption=
裂隙岩石试样数值计算模型, figureFileSmall=AWC32WH4kTvlixXwySaIcQ==, figureFileBig=k7d4tESj/AaXVovX4l/H+w==, tableContent=null), ArticleFig(id=1325134424647533262, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 2, caption=
Comparison of the laboratory test[15] and PFC numerical test results of granite samples, figureFileSmall=p7wIjLUKVXcU0ZFhLie8JA==, figureFileBig=3CX+bHqMxupk0Tg5Oy0Kig==, tableContent=null), ArticleFig(id=1325134425889047247, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图2, caption=
花岗岩试样室内试验[15]与PFC数值试验结果对比, figureFileSmall=p7wIjLUKVXcU0ZFhLie8JA==, figureFileBig=3CX+bHqMxupk0Tg5Oy0Kig==, tableContent=null), ArticleFig(id=1325134428472738512, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 3, caption=
Stress-strain relationship of rock samples with different crack inclination angles, figureFileSmall=g/uOeUH6ea+K5/TnwOxLJA==, figureFileBig=2SBAqAYFg7hh42QXvkjPcw==, tableContent=null), ArticleFig(id=1325134429697475281, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图3, caption=
不同裂隙倾角岩石试样的应力-应变关系, figureFileSmall=g/uOeUH6ea+K5/TnwOxLJA==, figureFileBig=2SBAqAYFg7hh42QXvkjPcw==, tableContent=null), ArticleFig(id=1325134430968349394, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 4, caption=
Relationship curve between compressive strength and crack inclination angle, figureFileSmall=nVW+JPKyOHNJw0XPesNxMw==, figureFileBig=+fdHeS4WSAtEDuKJRgS0bg==, tableContent=null), ArticleFig(id=1325134432629293780, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图4, caption=
抗压强度与裂隙角度关系曲线, figureFileSmall=nVW+JPKyOHNJw0XPesNxMw==, figureFileBig=+fdHeS4WSAtEDuKJRgS0bg==, tableContent=null), ArticleFig(id=1325134433879196373, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 5, caption=
Relationship curve between elastic modulus and crack inclination angle, figureFileSmall=DUyyCi8FXkIYwhSh+L4eRQ==, figureFileBig=ESXP2gJm9mdm+kxM8HahNg==, tableContent=null), ArticleFig(id=1325134435624026838, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图5, caption=
弹性模量与裂隙角度关系曲线, figureFileSmall=DUyyCi8FXkIYwhSh+L4eRQ==, figureFileBig=ESXP2gJm9mdm+kxM8HahNg==, tableContent=null), ArticleFig(id=1325134437230445271, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 6, caption=
Typical failure characteristics of rock samples with different crack inclination angles, figureFileSmall=MnLE/HszHEIc2GZmuKK1GQ==, figureFileBig=JLPmOrRQCbufb4akj0Y0Qg==, tableContent=null), ArticleFig(id=1325134438111249112, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图6, caption=
不同裂隙倾角岩样的典型破坏特征, figureFileSmall=MnLE/HszHEIc2GZmuKK1GQ==, figureFileBig=JLPmOrRQCbufb4akj0Y0Qg==, tableContent=null), ArticleFig(id=1325134439751221977, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 7, caption=
Comparison of fracture characteristics between numerical calculation and laboratory tests[18], figureFileSmall=RykRHt5tg1D1QpgROpyQIg==, figureFileBig=MN16R8d8aimbMqVFPhZs2Q==, tableContent=null), ArticleFig(id=1325134441831596762, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图7, caption=
数值计算和室内试验[18]得到的裂隙岩石破坏特征对比, figureFileSmall=RykRHt5tg1D1QpgROpyQIg==, figureFileBig=MN16R8d8aimbMqVFPhZs2Q==, tableContent=null), ArticleFig(id=1325134442766926555, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 8, caption=
Evolution process of crack propagation in rocks[19], figureFileSmall=Tl4WoRe3gFvmem7pLd/3IQ==, figureFileBig=ibX2C5Yxmr6b8l/jMYz0wg==, tableContent=null), ArticleFig(id=1325134443945525981, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图8, caption=
岩石内裂纹的扩展演化过程[19], figureFileSmall=Tl4WoRe3gFvmem7pLd/3IQ==, figureFileBig=ibX2C5Yxmr6b8l/jMYz0wg==, tableContent=null), ArticleFig(id=1325134446021706463, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 9, caption=
Evolution characteristics of microcracks in fractured rocks, figureFileSmall=K55Fr7m4z0Gvyl4efRNC7A==, figureFileBig=om1gzcvTGnTJF4JFIDPKmg==, tableContent=null), ArticleFig(id=1325134446583743200, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图9, caption=
裂隙岩石内微裂纹的演化特征, figureFileSmall=K55Fr7m4z0Gvyl4efRNC7A==, figureFileBig=om1gzcvTGnTJF4JFIDPKmg==, tableContent=null), ArticleFig(id=1325134447712010977, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 10, caption=
Evolution law of tensile and shear cracks in rock samples with different crack inclination angles, figureFileSmall=Z4C63qsXCHSJAv8i0NnVqg==, figureFileBig=4ImXy2WuaXpbEJAcD7qtBA==, tableContent=null), ArticleFig(id=1325134448647340770, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图10, caption=
不同裂隙倾角岩石试样的拉剪裂纹演化规律, figureFileSmall=Z4C63qsXCHSJAv8i0NnVqg==, figureFileBig=4ImXy2WuaXpbEJAcD7qtBA==, tableContent=null), ArticleFig(id=1325134450224399075, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 11, caption=
Relationship between Ud and Ue during rock compression process[20], figureFileSmall=S8p0A9yyi+JkMDlXZ3rKJg==, figureFileBig=PqXzzmtnLZzE+qft/diU2g==, tableContent=null), ArticleFig(id=1325134451054871268, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图11, caption=
岩石压缩过程中Ud 和Ue的关系[20], figureFileSmall=S8p0A9yyi+JkMDlXZ3rKJg==, figureFileBig=PqXzzmtnLZzE+qft/diU2g==, tableContent=null), ArticleFig(id=1325134452493517541, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 12, caption=
Energy evolution characteristics of rock samples with different crack inclination angles, figureFileSmall=yQ6wE9UFcH9BDJ/Rb5TDBA==, figureFileBig=/3TOdhuLNEsNw63MklfVUg==, tableContent=null), ArticleFig(id=1325134454884270822, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图12, caption=
不同裂隙倾角岩石试样的能量演化特征, figureFileSmall=yQ6wE9UFcH9BDJ/Rb5TDBA==, figureFileBig=/3TOdhuLNEsNw63MklfVUg==, tableContent=null), ArticleFig(id=1325134455727325927, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 13, caption=
Effect of crack inclination angle on energy evolution characteristics, figureFileSmall=hVTSXsGJPLSr6dzKiQsNMw==, figureFileBig=XMUpLvnJWVjvFlYq3KtzaQ==, tableContent=null), ArticleFig(id=1325134456213865192, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图13, caption=
裂隙倾角对能量演化特征影响, figureFileSmall=hVTSXsGJPLSr6dzKiQsNMw==, figureFileBig=XMUpLvnJWVjvFlYq3KtzaQ==, tableContent=null), ArticleFig(id=1325134457019171561, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Fig. 14, caption=
Energy evolution characteristics of rock samples with different crack inclination angles at peak stress, figureFileSmall=zsl1+F6+WoftEl0lj37iZg==, figureFileBig=ACG8uXqghK+p0icOJL2fgg==, tableContent=null), ArticleFig(id=1325134458722058987, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=图14, caption=
不同裂隙倾角岩石试样在峰值应力处的能量演化特征, figureFileSmall=zsl1+F6+WoftEl0lj37iZg==, figureFileBig=ACG8uXqghK+p0icOJL2fgg==, tableContent=null), ArticleFig(id=1325134459477033708, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Table 1, caption=
Macromechanical parameters of rocks, figureFileSmall=null, figureFileBig=null, tableContent=
| Material | Rock density/(g·cm−3) | Compressivestrength/MPa | Tensilestrength/MPa | Elasticmodulus/GPa | Poisson’sratio | Cohesiveforce/MPa | Friction angle/(°) |
|---|
| Rock materials[15] | 2.63 | 155.1 | 11.06 | 37.63 | 0.21 | | |
| Structural plane | | | | | | 0.5 | 70 |
), ArticleFig(id=1325134459938407149, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=表1, caption=
岩石的宏观力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Material | Rock density/(g·cm−3) | Compressivestrength/MPa | Tensilestrength/MPa | Elasticmodulus/GPa | Poisson’sratio | Cohesiveforce/MPa | Friction angle/(°) |
|---|
| Rock materials[15] | 2.63 | 155.1 | 11.06 | 37.63 | 0.21 | | |
| Structural plane | | | | | | 0.5 | 70 |
), ArticleFig(id=1325134460735324910, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=EN, label=Table 2, caption=
Mesoscopic parameters of rocks, figureFileSmall=null, figureFileBig=null, tableContent=
| Effective modulusof parallelbonding/GPa | Stiffness ratio | Linear contacteffectivemodulus/GPa | Tangential bonding strength/MPa | Normal bonding strength/MPa | Frictionangle/(°) | Frictional coefficient |
|---|
| 98.6 | 1.5 | 29.2 | 28 | 7.6 | 70 | 0.5 |
), ArticleFig(id=1325134461200892655, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325134261933703792, language=CN, label=表2, caption=
岩石的细观参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Effective modulusof parallelbonding/GPa | Stiffness ratio | Linear contacteffectivemodulus/GPa | Tangential bonding strength/MPa | Normal bonding strength/MPa | Frictionangle/(°) | Frictional coefficient |
|---|
| 98.6 | 1.5 | 29.2 | 28 | 7.6 | 70 | 0.5 |
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