The utilize of Kaiser effect during acoustic emission testing is a novel approach for computing the amount of stress in the rock, which has been tremendously exploited due to the immense reduction in the cost and time of determining the in-situ stress. Several parameters influence the accuracy of the Kaiser effect. This paper investigates the effect of anisotropy on the Kaiser effect on the rock. For this purpose, acoustic emission effect in the uniaxial compression test and Brazilian tensile strength test on the Phyllites specimens with various angles of anisotropy (0, 30, 60, and 90 degrees) has been conducted. The results demonstrate that in all uniaxial compression tests, the Felicity ratio of acoustic emission, which is defined as the ratio of the stress at which the Felicity effect occurs to the previously applied maximum stress, is close to one. In other words, the anisotropy does not have a significant effect on the values of the Felicity ratio. In Brazilian tensile strength tests, only the sample with zero-degree angle of anisotropy has a Felicity close to one, which means that the Kaiser effect in this condition is predicted more accurately. In addition, the results show that the uniaxial compression tests are more accurate in determining the Kaiser effect than Brazilian tensile strength tests. (C) 2020 Elsevier Ltd. All rights reserved.
机构:
Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210098, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
Fan Xiangqian
Hu Shaowei
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210098, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
Hu Shaowei
Lu Jun
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210098, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
Lu Jun
Wei Congjie
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
机构:
Univ Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, AustraliaUniv Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
Hsieh, A.
Dight, P.
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Univ Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
Univ Western Australia, Sch Civil & Resource Engn, Nedlands, WA 6009, AustraliaUniv Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
Dight, P.
Dyskin, A. V.
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Univ Western Australia, Sch Civil & Resource Engn, Nedlands, WA 6009, AustraliaUniv Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
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Nanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Minist Water Resources, Res Ctr New Mat Hydraul Struct, Nanjing 210029, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Hu, Shaowei
Lu, Jun
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Nanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Minist Water Resources, Res Ctr New Mat Hydraul Struct, Nanjing 210029, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Lu, Jun
Xiao, Feipeng
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Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Peoples R ChinaNanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Jin Yan
Qi Zili
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Qi Zili
Chen Mian
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Chen Mian
Zhang Guangqing
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Zhang Guangqing
Xu Guangqiang
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210098, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
Fan Xiangqian
Hu Shaowei
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210098, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
Hu Shaowei
Lu Jun
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210098, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
Lu Jun
Wei Congjie
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Nanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Mat & Struct Engn Dept, Nanjing 210024, Jiangsu, Peoples R China
机构:
Univ Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, AustraliaUniv Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
Hsieh, A.
Dight, P.
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Univ Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
Univ Western Australia, Sch Civil & Resource Engn, Nedlands, WA 6009, AustraliaUniv Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
Dight, P.
Dyskin, A. V.
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Univ Western Australia, Sch Civil & Resource Engn, Nedlands, WA 6009, AustraliaUniv Western Australia, Australian Ctr Geomech, Nedlands, WA 6009, Australia
机构:
Nanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Minist Water Resources, Res Ctr New Mat Hydraul Struct, Nanjing 210029, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Hu, Shaowei
Lu, Jun
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Nanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Minist Water Resources, Res Ctr New Mat Hydraul Struct, Nanjing 210029, Jiangsu, Peoples R ChinaNanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
Lu, Jun
Xiao, Feipeng
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h-index: 0
机构:
Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Peoples R ChinaNanjing Hydraul Res Inst, Nanjing 210029, Jiangsu, Peoples R China
机构:
China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Jin Yan
Qi Zili
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Qi Zili
Chen Mian
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Chen Mian
Zhang Guangqing
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China
Zhang Guangqing
Xu Guangqiang
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China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R ChinaChina Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China