Article(id=1236333413603536907, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.01.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1659024000000, receivedDateStr=2022-07-29, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772694455767, onlineDateStr=2026-03-05, pubDate=1675180800000, pubDateStr=2023-02-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772694455767, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772694455767, creator=13701087609, updateTime=1772694455767, updator=13701087609, issue=Issue{id=1236333405122646435, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='1', pageStart='1', pageEnd='159', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772694453745, creator=13701087609, updateTime=1772694772892, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236334743785099547, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236334743785099548, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=21, endPage=25, ext={EN=ArticleExt(id=1236333414035550243, articleId=1236333413603536907, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Experimental Study on Mechanical Properties of White Sandstone Under Uniaxial Compression with Different Strain Rate Based on 3D-DIC System, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

Some typical rock was taken as the sample in an experiment to study the mechanical properties of white sandstone under uniaxial compression with strain rates ranging from 10-5 s-1 to 10-3 s-1. The surface displacement contours of the samples were observed and collected by using 3D-DIC system, and the difference in the deformation and failure characteristics of samples under the effect of different strain rate was also analyzed. The results show that the variation of displacement field on the surface of rock sample reflects an evolution law of failure surface, and there is a corresponding relationship between shear failure plane and concentrated displacement field. The difference in the overall axial strain mainly occurs during the period from micro-crack compaction to elastic deformation. At an initial stage of loading, there is difference in the overall radial strain. The lower end part of the sample has the largest radial displacement when the strength reaches the peak, while the upper end part is deformed under the impact of the end effect. The radial outward expansion is limited by the friction between the end face and the gasket. In addition, the local axial strain at the lower end is greater than that at the upper end. With an increase in the loading rate, rock sample has its mechanical characteristics converted from ductility to fragility. During the failure process of rock sample under the uniaxial compression with a lower loading rate, the occurred pore collapse results in friction effect due to the closure again and slippage of some cracks, thus there appears fluctuation in the stress-strain curve near the peak strength. It is shown that the mechanical parameters (peak strength, elastic modulus and Poisson's ratio) of white sandstone increase as the loading rate increases.

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通过选取典型岩样,研究了白砂岩在10-5~10-3 s-1应变率范围内的单轴压缩性能,采用3D-DIC系统观测和采集岩样表面位移云图,并分析不同应变率下岩样变形破坏特征差异。结果表明,岩样表面位移场变化反映了破坏面演化规律,剪切破坏面与位移场集中存在对应关系。全局轴向应变差异主要发生在微裂隙压密到弹性变形期间;加载初期,全局径向应变存在差异,在峰值强度时下端部区域径向位移最大,岩样上端部变形受到端部效应影响,径向向外膨胀受端面与垫片间摩擦限制;此外,下端部局部轴向应变大于上端部区域。随着加载速率增大,岩样从延性特征向脆性特征转变。加载速率较低时,岩样破坏过程中孔隙坍塌使得部分裂隙再次闭合、滑移而产生摩擦效应,从而使峰值强度附近的应力-应变曲线出现波动。白砂岩峰值强度、弹性模量、泊松比等力学参数随加载速率增大而增加。

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李小双(1983—),男,湖北随州人,博士(后),教授,博士研究生导师,主要研究方向为边坡工程与露天矿山开采。
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张春阳(1981—),男,湖南怀化人,博士,副教授,主要研究方向为矿山开采与岩石力学。

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3.School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan 430070, Hubei, China
4.Sinosteel Maanshan General Institute of Mining Research Co Ltd, Maanshan 243000, Anhui, China
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3.武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070
4.中钢集团马鞍山矿山研究总院股份有限公司,安徽 马鞍山 243000
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张春阳(1981—),男,湖南怀化人,博士,副教授,主要研究方向为矿山开采与岩石力学。

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张春阳(1981—),男,湖南怀化人,博士,副教授,主要研究方向为矿山开采与岩石力学。

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基于3D-DIC系统的白砂岩单轴压缩应变率效应的力学性能试验研究
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张春阳 1, 2, 3, 4, 5 , 张宇超 1 , 李小双 4, 5, 6
矿冶工程杂志 | 采矿 2023,43(1): 21-25
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矿冶工程杂志 | 采矿 2023, 43(1): 21-25
基于3D-DIC系统的白砂岩单轴压缩应变率效应的力学性能试验研究
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张春阳1, 2, 3, 4, 5, 张宇超1, 李小双4, 5, 6
作者信息
  • 1.武汉理工大学 资源与环境工程学院,湖北 武汉 430070
  • 2.中国科学院武汉岩土力学研究所 岩土力学与工程国家重点实验室,湖北 武汉 430071
  • 3.武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070
  • 4.中钢集团马鞍山矿山研究总院股份有限公司,安徽 马鞍山 243000
  • 5.金属矿山安全与健康国家重点实验室,安徽 马鞍山 243000
  • 6.绍兴文理学院 土木工程学院,浙江 绍兴 312000
  • 张春阳(1981—),男,湖南怀化人,博士,副教授,主要研究方向为矿山开采与岩石力学。

通讯作者:

李小双(1983—),男,湖北随州人,博士(后),教授,博士研究生导师,主要研究方向为边坡工程与露天矿山开采。
Experimental Study on Mechanical Properties of White Sandstone Under Uniaxial Compression with Different Strain Rate Based on 3D-DIC System
Chunyang ZHANG1, 2, 3, 4, 5, Yuchao ZHANG1, Xiaoshuang LI4, 5, 6
Affiliations
  • 1.School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
  • 2.State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, Hubei, China
  • 3.School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan 430070, Hubei, China
  • 4.Sinosteel Maanshan General Institute of Mining Research Co Ltd, Maanshan 243000, Anhui, China
  • 5.State Key Laboratory of Safety and Health in Metal Mines, Maanshan 243000, Anhui, China
  • 6.School of Civil Engineering, Shaoxing University, Shaoxing 312000, Zhejiang, China
出版时间: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.005
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通过选取典型岩样,研究了白砂岩在10-5~10-3 s-1应变率范围内的单轴压缩性能,采用3D-DIC系统观测和采集岩样表面位移云图,并分析不同应变率下岩样变形破坏特征差异。结果表明,岩样表面位移场变化反映了破坏面演化规律,剪切破坏面与位移场集中存在对应关系。全局轴向应变差异主要发生在微裂隙压密到弹性变形期间;加载初期,全局径向应变存在差异,在峰值强度时下端部区域径向位移最大,岩样上端部变形受到端部效应影响,径向向外膨胀受端面与垫片间摩擦限制;此外,下端部局部轴向应变大于上端部区域。随着加载速率增大,岩样从延性特征向脆性特征转变。加载速率较低时,岩样破坏过程中孔隙坍塌使得部分裂隙再次闭合、滑移而产生摩擦效应,从而使峰值强度附近的应力-应变曲线出现波动。白砂岩峰值强度、弹性模量、泊松比等力学参数随加载速率增大而增加。

白砂岩  /  单轴压缩  /  应变率  /  3D-DIC系统  /  加载速率  /  变形破坏特征  /  位移场  /  力学性能

Some typical rock was taken as the sample in an experiment to study the mechanical properties of white sandstone under uniaxial compression with strain rates ranging from 10-5 s-1 to 10-3 s-1. The surface displacement contours of the samples were observed and collected by using 3D-DIC system, and the difference in the deformation and failure characteristics of samples under the effect of different strain rate was also analyzed. The results show that the variation of displacement field on the surface of rock sample reflects an evolution law of failure surface, and there is a corresponding relationship between shear failure plane and concentrated displacement field. The difference in the overall axial strain mainly occurs during the period from micro-crack compaction to elastic deformation. At an initial stage of loading, there is difference in the overall radial strain. The lower end part of the sample has the largest radial displacement when the strength reaches the peak, while the upper end part is deformed under the impact of the end effect. The radial outward expansion is limited by the friction between the end face and the gasket. In addition, the local axial strain at the lower end is greater than that at the upper end. With an increase in the loading rate, rock sample has its mechanical characteristics converted from ductility to fragility. During the failure process of rock sample under the uniaxial compression with a lower loading rate, the occurred pore collapse results in friction effect due to the closure again and slippage of some cracks, thus there appears fluctuation in the stress-strain curve near the peak strength. It is shown that the mechanical parameters (peak strength, elastic modulus and Poisson's ratio) of white sandstone increase as the loading rate increases.

white sandstone  /  uniaxial compression  /  strain rate  /  3D-DIC system  /  loading rate  /  deformation and failure characteristics  /  displacement field  /  mechanical properties
张春阳, 张宇超, 李小双. 基于3D-DIC系统的白砂岩单轴压缩应变率效应的力学性能试验研究. 矿冶工程杂志, 2023 , 43 (1) : 21 -25 . DOI: 10.3969/j.issn.0253-6099.2023.01.005
Chunyang ZHANG, Yuchao ZHANG, Xiaoshuang LI. Experimental Study on Mechanical Properties of White Sandstone Under Uniaxial Compression with Different Strain Rate Based on 3D-DIC System[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 21 -25 . DOI: 10.3969/j.issn.0253-6099.2023.01.005
  • 国家自然科学基金面上项目(52174088; 42277154)
  • 岩土力学与工程国家重点实验室开放基金课题(Z020015)
  • 国家磷资源开发利用工程技术研究中心开放基金(NECP2022-04)
2023年第43卷第1期
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doi: 10.3969/j.issn.0253-6099.2023.01.005
  • 接收时间:2022-07-29
  • 首发时间:2026-03-05
  • 出版时间:2023-02-01
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  • 收稿日期:2022-07-29
基金
国家自然科学基金面上项目(52174088; 42277154)
岩土力学与工程国家重点实验室开放基金课题(Z020015)
国家磷资源开发利用工程技术研究中心开放基金(NECP2022-04)
作者信息
    1.武汉理工大学 资源与环境工程学院,湖北 武汉 430070
    2.中国科学院武汉岩土力学研究所 岩土力学与工程国家重点实验室,湖北 武汉 430071
    3.武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070
    4.中钢集团马鞍山矿山研究总院股份有限公司,安徽 马鞍山 243000
    5.金属矿山安全与健康国家重点实验室,安徽 马鞍山 243000
    6.绍兴文理学院 土木工程学院,浙江 绍兴 312000

通讯作者:

李小双(1983—),男,湖北随州人,博士(后),教授,博士研究生导师,主要研究方向为边坡工程与露天矿山开采。
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https://castjournals.cast.org.cn/joweb/kygczz/CN/10.3969/j.issn.0253-6099.2023.01.005
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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