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Cracking and Stress–Strain Behavior of Rock-Like Material Containing Two Flaws Under Uniaxial Compression

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成果类型:
期刊论文
作者:
Zhao, Yanlin;Zhang, Lianyang*;Wang, Weijun;Pu, Chengzhi;Wan, Wen;...
通讯作者:
Zhang, Lianyang
作者机构:
[Wang, Weijun; Tang, Jingzhou; Zhao, Yanlin; Wan, Wen] Hunan Univ Sci & Technol, Sch Energy & Safety Engn, Hunan Prov Key Lab Safe Min Tech Coal Mines, Xiangtan 411201, Hunan, Peoples R China.
[Zhao, Yanlin] China Univ Min & Technol, State Key Lab Coal Resources & Safety Min, Xuzhou 221008, Jiangsu, Peoples R China.
[Zhang, Lianyang] Univ Arizona, Dept Civil Engn & Engn Mech, Tucson, AZ 85721 USA.
[Pu, Chengzhi] Univ South China, Nucl Resources Engn Coll, Heng Yang 421001, Hunan, Peoples R China.
通讯机构:
[Zhang, Lianyang] U
Univ Arizona, Dept Civil Engn & Engn Mech, Tucson, AZ 85721 USA.
语种:
英文
关键词:
Crack coalescence;Crack propagation;Flawed specimen;Strain concentration;Strain jump
期刊:
Rock Mechanics and Rock Engineering
ISSN:
0723-2632
年:
2016
卷:
49
期:
7
页码:
2665-2687
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51274097, 51434006]; Scientific Research Fund of Hunan Provincial Education DepartmentHunan Provincial Education Department [13A020]; Natural Science Foundation of Hunan provinceNatural Science Foundation of Hunan Province [2015JJ2067]; Open Projects of State Key Laboratory of Coal Resources and Safe Mining, CUMT [13KF03]
机构署名:
本校为其他机构
院系归属:
核资源工程学院
摘要:
This paper investigates the cracking and stress–strain behavior, especially the local strain concentration near the flaw tips, of rock-like material containing two flaws. A series of uniaxial compression tests were carried out on rock-like specimens containing two flaws, with strain gauges mounted near the flaw tips to measure the local strain concentration under the uniaxial compressive loading. Four different types of cracks (wing cracks, anti-wing cracks, coplanar shear cracks and oblique shear cracks) and seven patterns of crack coalescences (T1 and T2;S1 and S2;and TS1, TS2 and TS3)...

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