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Energy Evolution and Damage Characteristics of Rock Materials under Different Cyclic Loading and Unloading Paths

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成果类型:
期刊论文
作者:
Sun, Bing;Yang, Haowei;Fan, Junwei;Liu, Xiling;Zeng, Sheng
通讯作者:
Sheng Zeng
作者机构:
[Fan, Junwei; Sun, Bing; Yang, Haowei] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.
[Liu, Xiling] Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Peoples R China.
[Zeng, Sheng] Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Peoples R China.
通讯机构:
[Sheng Zeng] S
School of Resources Environment and Safety Engineering, University of South China, Hengyang 421001, China<&wdkj&>Author to whom correspondence should be addressed.
语种:
英文
关键词:
rock mechanics;cyclic loading and unloading;acoustic emission;energy evolution;damage characteristic;ultimate damage energy
期刊:
Buildings
ISSN:
2075-5309
年:
2023
卷:
13
期:
1
页码:
238-
基金类别:
Conceptualization, B.S. and S.Z.; methodology, B.S. and H.Y.; validation, S.Z.; formal analysis, H.Y.; investigation, X.L. and J.F.; resources, B.S. and S.Z.; writing—original draft preparation, H.Y. and B.S.; writing—review and editing, H.Y. and S.Z.; visualization, H.Y.; supervision X.L. and J.F.; funding acquisition, B.S. All authors have read and agreed to the published version of the manuscript. This work was supported by the Natural Science Foundation of Hunan Province, China (grant no. 2021JJ30575) and the National Natural Science Foundation of China (grant no. 51204098).
机构署名:
本校为第一机构
院系归属:
土木工程学院
摘要:
In order to study the deformation and failure characteristics of rocks under different cyclic loading and unloading paths, three stress path tests were conducted, and acoustic emission (AE) monitoring was conducted simultaneously. The mechanical characteristics and AE characteristics under different stress paths were analyzed, and the influences of the different stress paths on the energy dissipation and deformation damage were investigated. The law of energy evolution considering viscoelasticity under different stress paths was obtained. The c...

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