Zobrazeno 1 - 10
of 272 968
pro vyhledávání: '"high stress"'
Autor:
Meng WANG, Sitao ZHU, Shidong LI, Dongdong LI, Fuxing JIANG, Xiufeng ZHANG, Yang CHEN, Xiangge MENG
Publikováno v:
Meitan xuebao, Vol 49, Iss 10, Pp 4295-4310 (2024)
Deep coal mining, in addition to facing the three “high” and one “disturbance”, faces a high-stress corrosion environment formed by underground corrosive atmosphere, high stress, strong disturbance, and other factors. Taking the deep mines in
Externí odkaz:
https://doaj.org/article/cb0ea8cf06c84be8a177179976c3aa01
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 171-179 (2024)
In order to solve the problem of deep high stress argillaceous soft rock floor drainage roadway affected by mining disturbance, taking the layout optimization and surrounding rock control of deep argillaceous soft rock floor drainage roadway in Libi
Externí odkaz:
https://doaj.org/article/2fed303f987446319116bcb82b925d71
Autor:
Agyapong, Belinda1 (AUTHOR) bagyapon@ualberta.ca, Dias, Raquel da Luz2 (AUTHOR), Wei, Yifeng1 (AUTHOR), Agyapong, Vincent Israel Opoku1,2 (AUTHOR)
Publikováno v:
Journal of Clinical Medicine. Aug2024, Vol. 13 Issue 15, p4339. 20p.
Autor:
Xiaoze WEN, Guorui FENG, Jun GUO, Pengfei WANG, Jinwen BAI, Ruipeng QIAN, Luyang YU, Jie ZHANG, Pengfei ZHANG
Publikováno v:
Meitan xuebao, Vol 49, Iss 9, Pp 3810-3828 (2024)
The mechanical response characteristics of rock under low-frequency perturbation loads and high-stress conditions are important factors affecting the stability of interlayer rock in the goaf during upward mining. Taking the coal-bearing sedimentary r
Externí odkaz:
https://doaj.org/article/c0db3a0f4b63431f8ae92d8bde7affc1
Autor:
Xin Chang, Guozhou Qiu, Jing Li, Yintong Guo, Zhiwen Hu, Hanzhi Yang, Xinao Zhang, Yongjiang Liu
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 8, Pp 3227-3242 (2024)
Abstract To study the effect of vertical stress difference coefficient on fracture characteristics of shale fracturing, high stress true triaxial hydraulic fracturing test was carried out. By analyzing the profile after fracturing, it was found that
Externí odkaz:
https://doaj.org/article/e68f792d9935446885ee6ee8a40807ed
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 7, Pp 55-63 (2024)
The coupling effect of static and dynamic stress in fault structure areas exacerbates the risk of rock impact in underground fault areas. The stress distribution law and impact dynamic load response features of roadway surrounding rock in fault struc
Externí odkaz:
https://doaj.org/article/44c7d9dee37744c88f97cb4888f9080d
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