Study on the influence of fracture dip angle on mechanical and acoustic emission characteristics of deep granite

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成果类型：

期刊论文

作者：

Liu, Xiqi;Wang, Gang;Song, Leibo;Hu, Rong;Ma, Xiaoming;...

通讯作者：

Gang Wang

作者机构：

[Liu, Xiqi; Wang, Gang] Wuhan Univ, Sch Civil Engn, Key Lab Geotech & Struct Engn Safety Hubei Prov, Wuhan 430070, Peoples R China.

[Liu, Xiqi; Wang, Gang; Song, Leibo] Shaoxing Univ, Collaborat Innovat Ctr Prevent & Control Mt Geol H, Shaoxing 312099, Peoples R China.

[Hu, Rong] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

[Ma, Xiaoming] Huahui Engn Design Grp Co Ltd, Shaoxing 312000, Peoples R China.

[Zhong, Shiji; Ou, Xiaoping] China Gezhouba Grp No 1 Engn Co Ltd, Yichang 443000, Peoples R China.

通讯机构：

[Gang Wang] K

Key Laboratory of Geotechnical and Structural Engineering Safety of Hubei Province, School of Civil Engineering, Wuhan University, Wuhan, China<&wdkj&>Collaborative Innovation Center for Prevention and Control of Mountain Geological Hazards of Zhejiang Province, Shaoxing University, Shaoxing, China

语种：

英文

关键词：

Rock mechanics;Fracture dip angle;Triaxial compression;Mechanical properties;Acoustic emission characteristics

期刊：

Natural Hazards

ISSN：

0921-030X

年：

2023

卷：

118

期：

页码：

95-116

DOI：

10.1007/s11069-023-05994-z

基金类别：

The authors sincerely thank the financial support from the National Natural Science Foundation of China (No. 42002275), the National Natural Science Foundation of Zhejiang province (No. LQ21D020001), the Collaborative Innovation Center for Prevention and Control of Mountain Geological Hazards of Zhejiang Province (No. PCMGH-2021-03), the Shaoxing Science and Technology Plan Project (No. 2022A13003).

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

To study the influence of fracture dip angle on the mechanical properties and fracture evolution mechanism of granite under triaxial stress state, MTS 815 mechanics test system was used to conduct triaxial tests on granite with different fracture dip angles, and PCI-II acoustic emission (AE) system was used to monitor the whole process information. The results show that the brittle characteristics of fractured samples with 30 degrees, 45 degrees and 60 degrees dip angles are obviously weakened, while the plastic characteristics are enhanced. The fractures destroy the structural integrity of ro...

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Study on the influence of fracture dip angle on mechanical and acoustic emission characteristics of deep granite

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