Results 1 to 10 of about 2,631 (179)

Study on failure mechanism and control of surrounding rock of inclined strata crossing roadway in deep coal mine

Frontiers in Earth Science
China’s coal mines are mainly underground mines, and a large number of roadways have to be excavated underground. It is of great significance for coal mine production to adopt safe and reasonable roadway support methods.
Wanwei Fang, Wanwei Fang, Mingxin Li, Peng Huang, Taotao Shi, Yeqiang Chen, Shijin Ma, Guohui Ren   +7 more
exaly   +3 more sources

Instability characteristics of surrounding rock and surrounding rock control technology of deep coal roadway crossing the fault: a case study of Zhuxianzhuang coal mine

Geomatics, Natural Hazards and Risk
To prevent severe damage to the surrounding rock of the roadway under the high ground pressure within deep mining, the stress evolution of the surrounding rock was studied, and the surrounding rock control technology in the II1057 roadway of ...
Huaibin Li, Xinzhu Hua, Bo Luan
exaly   +3 more sources

Study on the in-situ modified support method of roadway surrounding rock under vertical impact load. [PDF]

Sci Rep
With the deepening of coal mining, the frequency and intensity of rock burst accidents are increasing. According to incomplete statistics, there have been over 200 rock burst accidents in tunnels in China alone from 2005 to 2024, resulting in more than ...
Zhang H, Liu S, Yi H, Liu J, Qin Y, Li Y, Dong Y, Cao Y, Lu F, Guo S, Li T, Liu Y.   +11 more
europepmc   +2 more sources

Multi-Level Support Technology and Application of Deep Roadway Surrounding Rock in the Suncun Coal Mine, China [PDF]

Materials, 2022
Xuesheng Liu, Yunhao Wu, Shenglong Yang   +2 more
exaly   +2 more sources

Investigating the scale effect on strength and failure mechanism of roadway surrounding rock. [PDF]

Sci Rep
Wu J, Xie F, Wang Y.
europepmc   +3 more sources

Study on Deformation Characteristics of Surrounding Rock of Roadway with Coal–Rock Interface

Sustainability, 2023
Surrounding rock of roadway with a coal–rock interface is a common form in coal mines. In order to determine deformation characteristics and obtain the control principle of roadways with a coal–rock interface, the interface between the roof and coal seam was added to simulate the weak cohesion between the stratum.
Tuo Wang, Jucai Chang, Yijun Guo
openaire   +1 more source

Research on large deformation mechanism and repair support technology of high stress soft rock roadway

Gong-kuang zidonghua, 2021
In the context of the destruction and continuous deformation of the surrounding rock of the high stress soft rock roadway, how to scientifically and reasonably repair and support the roadway that has undergone large deformation, and how to achieve ...
YAN Xiaowei
doaj   +1 more source

Factors influencing the anti-impact performance of a “roadway rock support” system

Frontiers in Earth Science, 2023
A mechanical model of a circular section of a tunnel roadway considering damage is established to improve the impact protection performance of the “roadway rock-support” system and provide a theoretical basis for designing coal mine impact ground ...
Zhi Tang, Wenbo Zuo, Ke Gao, Xiaoqiao Cai   +3 more
doaj   +1 more source

Research on surrounding rock control technology of deep roadway based on butterfly failure theory

Meitan kexue jishu, 2023
At present, roadway surrounding rock control is still one of the major problems in deep mining of coal resources. The formation and development of the plastic zone of the surrounding rock is the main cause of large deformation and failure of roadway.
WANG Weijun, FAN Lei, MA Yujie, YUAN Chao   +3 more
doaj   +1 more source

Mechanical characteristics and stability analysis of surrounding rock reinforcement in rectangular roadway

Scientific Reports, 2022
AbstractThe stability of surrounding rock with bolt support depends on the stability within the reinforcement range. To understand the reinforcing mechanism of a rectangular roadway bolt fully and accurately, a quantitative method for evaluating the stability of the surrounding rock of a rectangular roadway must be developed.
Shitan Gu, Pan WANG, Chao-Fan Yang
openaire   +3 more sources