A comprehensive study of fracture evolution of brittle rock containing an inverted U-shaped cavity under uniaxial compression
被引:40
作者:
Wu, Hao
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机构:
Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
Univ Arizona, Rock Mass Modeling & Computat Rock Mech Labs, Tucson, AZ 85721 USACent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
Wu, Hao
[1
,3
]
Kulatilake, Pinnaduwa H. S. W.
论文数: 0引用数: 0
h-index: 0
机构:
Jiangxi Univ Sci & Technol, Sch Resources & Environm Engn, Ganzhou 341000, Jiangxi, Peoples R China
Univ Arizona, Rock Mass Modeling & Computat Rock Mech Labs, Tucson, AZ 85721 USACent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
Kulatilake, Pinnaduwa H. S. W.
[2
,3
]
Zhao, Guoyan
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h-index: 0
机构:
Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R ChinaCent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
Zhao, Guoyan
[1
]
Liang, Weizhang
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h-index: 0
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Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R ChinaCent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
Liang, Weizhang
[1
]
Wang, Enjie
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h-index: 0
机构:
Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R ChinaCent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
Wang, Enjie
[1
]
机构:
[1] Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
[2] Jiangxi Univ Sci & Technol, Sch Resources & Environm Engn, Ganzhou 341000, Jiangxi, Peoples R China
[3] Univ Arizona, Rock Mass Modeling & Computat Rock Mech Labs, Tucson, AZ 85721 USA
This paper aims to investigate the fracture evolution around an inverted U-shaped opening under compressive loads. Firstly, a series of uniaxial compression tests were conducted on sandstone specimens containing a cavity incorporating digital image correlation (DIC) and acoustic emission (AE) techniques. Next, the complex variable theory combined with an optimization algorithm was used to find the analytical stress solution for the inverted U-shaped cavity. The experimental results show that the shear dominated failure of the pre-holed specimen is a progressive process of "primary tensile cracks - secondary tensile cracks and slabbing fractures - shear cracks". The DIC results are consistent with the variation of AE signals, The crack closure stress, crack initiation stress and crack damage stress of the specimen containing an inverted U-shaped cavity are about 24%, 30% and 90% of the peak stress, respectively. Theoretical analysis indicates that the cavity shape and lateral stress ratio are prominent factors affecting the stress distribution. Based on the stress distribution around the inverted U-shaped cavity under uniaxial stress, the fracture evolution mechanisms are well revealed. Moreover, the propagation behavior of the primary tensile cracks is discussed in detail, and a method for determining the crack length is also proposed.
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Yu, Yanbin
Qiu, Zhaoxu
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Qiu, Zhaoxu
Cheng, Weimin
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Cheng, Weimin
Yang, Qi
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Yang, Qi
Cui, Wenting
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Cui, Wenting
Rong, Kang
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Rong, Kang
Li, Yunfei
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Ma, Qing
Liu, Xiaoli
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Liu, Xiaoli
Tan, Yunliang
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h-index: 0
机构:
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Tan, Yunliang
Elsworth, Derek
论文数: 0引用数: 0
h-index: 0
机构:
Penn State Univ, Ctr G3, Dept Energy & Mineral Engn, University Pk, PA 16803 USA
Penn State Univ, Energy Inst, University Pk, PA 16803 USATsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Elsworth, Derek
Shang, Junlong
论文数: 0引用数: 0
h-index: 0
机构:
Univ Glasgow, James Watt Sch Engn, Glasgow G12 8QQ, ScotlandTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Shang, Junlong
Song, Danqing
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机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Song, Danqing
Liu, Xuesheng
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h-index: 0
机构:
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Liu, Xuesheng
Yan, Fayuan
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机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Civil Engn, Jinan 250061, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Wang, Chen
Li, Yong
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h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Li, Yong
Dai, Feng
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Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Dai, Feng
Wu, Guannan
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h-index: 0
机构:
Design & Res Inst CCCC Second Nav Engn Co LTD, Wuhan 430056, Hubei, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Wu, Guannan
Yin, Futong
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h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Yin, Futong
Li, Kunpeng
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h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Li, Kunpeng
Wang, Kai
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h-index: 0
机构:
Shandong Hispeed Grp, Jinan 250014, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
机构:
Cent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Univ Western Australia, Sch Civil Environm & Min Engn, Perth, WA, AustraliaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Cao, Rihong
Cao, Ping
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Cent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R ChinaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Cao, Ping
Lin, Hang
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Cent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R ChinaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Lin, Hang
Fan, Xiang
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h-index: 0
机构:
Changan Univ, Sch Highway, Xian, Shaanxi, Peoples R ChinaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Yu, Yanbin
Qiu, Zhaoxu
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Qiu, Zhaoxu
Cheng, Weimin
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Cheng, Weimin
Yang, Qi
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Yang, Qi
Cui, Wenting
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Cui, Wenting
Rong, Kang
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Rong, Kang
Li, Yunfei
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h-index: 0
机构:
Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaShandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofou, Qingdao 266590, Peoples R China
机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Ma, Qing
Liu, Xiaoli
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Liu, Xiaoli
Tan, Yunliang
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Tan, Yunliang
Elsworth, Derek
论文数: 0引用数: 0
h-index: 0
机构:
Penn State Univ, Ctr G3, Dept Energy & Mineral Engn, University Pk, PA 16803 USA
Penn State Univ, Energy Inst, University Pk, PA 16803 USATsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Elsworth, Derek
Shang, Junlong
论文数: 0引用数: 0
h-index: 0
机构:
Univ Glasgow, James Watt Sch Engn, Glasgow G12 8QQ, ScotlandTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Shang, Junlong
Song, Danqing
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Song, Danqing
Liu, Xuesheng
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ Sci & Technol, Coll Energy & Min Engn, Qingdao 266590, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
Liu, Xuesheng
Yan, Fayuan
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Civil Engn, Jinan 250061, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Wang, Chen
Li, Yong
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Li, Yong
Dai, Feng
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Dai, Feng
Wu, Guannan
论文数: 0引用数: 0
h-index: 0
机构:
Design & Res Inst CCCC Second Nav Engn Co LTD, Wuhan 430056, Hubei, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Wu, Guannan
Yin, Futong
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Yin, Futong
Li, Kunpeng
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Shandong Univ, Sch Qilu Transportat, Jinan 250002, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
Li, Kunpeng
Wang, Kai
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Hispeed Grp, Jinan 250014, Shandong, Peoples R ChinaShandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China
机构:
Cent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Univ Western Australia, Sch Civil Environm & Min Engn, Perth, WA, AustraliaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Cao, Rihong
Cao, Ping
论文数: 0引用数: 0
h-index: 0
机构:
Cent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R ChinaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Cao, Ping
Lin, Hang
论文数: 0引用数: 0
h-index: 0
机构:
Cent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R ChinaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China
Lin, Hang
Fan, Xiang
论文数: 0引用数: 0
h-index: 0
机构:
Changan Univ, Sch Highway, Xian, Shaanxi, Peoples R ChinaCent S Univ, Sch Resources & Safety Engn, Changsha, Hunan, Peoples R China