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Bing Sun, Haowei Yang, Junwei Fan, Xiling Liu and Sheng Zeng
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 characte...
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Zhushuai Wang, Yu Yang, Yu Xu, Changhao Xin, Pengfei Liang and Ning Guo
This paper presents two experimental schemes, graded cyclic loading and unloading, and variable lower limit cyclic loading and unloading, to investigate the energy evolution and acoustic emission characteristics of rocks under different cyclic loading an...
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Xiaoyu Lu, Ruipeng Qin, Chunliang Dong and Chaotao Fan
In many underground engineering projects, rocks are often subjected to cyclic loading and unloading, such as repeated excavation of roadway surrounding rock, which will lead to damage to underground rocks, and the energy of rocks also changes. Therefore,...
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Chunliang Dong, Chaotao Fan, Xiaoyu Lu, Guangming Zhao, Minjie Qi and Ruipeng Qin
To study the mechanical and energy evolution characteristics of sandstone under true triaxial cyclic loading, a sandstone mechanical test with different intermediate principal stress under true triaxial loading was conducted using the rock true triaxial ...
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Chunlai Wang, Chang Zuo and Ze Zhao
The damage and fracture of coal is accompanied by a complex energy conversion process, and these different stages of energy evolution are closely related to coal failure. In this paper, an evolution model describing the behavior of coal failure was propo...
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Sergii Nazarenko,Roman Kovalenko,Vitalii Asotskyi,Gennadiy Chernobay,Andrii Kalynovskyi,Ivan Tsebriuk,Oleksandr Shapovalov,Igor Shasha,Volodymyr Demianyshyn,Angela Demchenko
Pág. 45 - 55
This paper reports the results of experimental studies into determining mechanical properties (elastic and dissipative) at the shear of the material of a pressure fire hose of the "T" type with the internal diameter of 77 mm using torsion tests. Dur...
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Rui He and Tao Zhu
Monopiles are widely used to support offshore wind turbines as a result of the extensive development of offshore wind energy in coastal areas of China. An offshore wind turbine is a typical high-rise structure sensitive to dynamic loads in ocean environm...
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Shang Yang, Jun Wang, Jianguo Ning and Pengqi Qiu
To investigate the effect of the pure coal/rock strength on the mechanical behavior, failure behavior, and energy evolution of coal-rock combined (CRC) specimens, an AG-X250 Shimadzu Precision Universal Test was used to conduct uniaxial compressive loadi...
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