Results 241 to 250 of about 13,620,505 (264)

Research and Application of Mining-Induced Fracture Evolution and the Mechanism of Pressure Relief Gas Migration and Storage in Overlying Strata during Soft Rock Protective Layer Mining. [PDF]

ACS Omega
Cheng X, Yang Y, Zhao G, Chen Y.
europepmc   +1 more source

Progressive damage mechanism and multiscale characterization of hard sandstone-coal composite structures under loading. [PDF]

PLoS One
Dang J, Tu M, Zhang X, Bu Q.
europepmc   +1 more source

Characteristic of the infiltration recharge effect in coal mine under reservoirs. [PDF]

Sci Rep
Long T, Guo K, Shang R, Wang Q.
europepmc   +1 more source

Analysis and control of gas blowout accidents in working faces beneath thick magmatic rock. [PDF]

Sci Rep
Ma S, Su Y, Wang X, Guo B, Zhang S, Li H.   +5 more
europepmc   +1 more source

Analysis of influencing factors on the plastic zone width and stability of aeolian sand-based backfill strips. [PDF]

Sci Rep
Li R, Zhao H, Liu P, Zhang J, Yu Q.
europepmc   +1 more source

Study on the Relationship between Hydraulic Support on the Working Face with Large Mining Height and Surrounding Rock

Advanced Materials Research, 2011
Using unified model and theory of rock pressure, the problems, such as caving of stope roof with large mining height and destruction of support, strata movement and surface subsidence, are unified analyzed and researched. The results show that: pressure shell is dynamic shell, which moves forward with the propulsion of working face; with the increase ...
Ying Ma, Sheng Zhong
exaly   +3 more sources

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Research and Application of Roof Cutting and Pressure Release Technology of Retracement Roadway in Large Height Mining Working Face

Geotechnical and Geological Engineering, 2020
In this paper, according to problems of large deformation, high stress and strong disturbance exist in the retracement roadway during the equipment withdrawal of 18,205 large height mining working face in Xiegou mine. The method of roof cutting and pressure release by deep-hole blasting is put forward.
Yu-Feng Guo, Hong-Kuen Yu
exaly   +3 more sources

Study on loading and failure instability mechanism of “support-surrounding rock” system in large dip angle and large mining height working face

Physics of Fluids
The stability of “support-surrounding rock” system in a large dip angle and large mining height working face is the key to safe mining of the working face.
Baofa Huang, Pan-Shi Xie, Yong-Ping Wu, Siyu Duan, Guoxin Li, Weigang Zhao, Xi Zhang, Leilei Yi, Hui Xu   +8 more
semanticscholar   +2 more sources

Study on Rational Width of Entry Protection Coal-Pillar in Large Mining Height Working Face

Advanced Materials Research, 2011
This paper demonstrates the attempt to identify a reasonable chain pillar width in the condition of large mining height, along with a case study at the gateway of No.1103 panel with large mining height in Suancigou Mine. Theoretical calculation and numerical simulation were employed as the main approaches during the research to figure out the rational ...
Xu Feng Wang, Dong Sheng Zhang, Ting Feng Cui, Jin Liang Wang, Wei Zhang   +4 more
openaire   +2 more sources

Influencing factors of rib spalling in deep buried working face with large mining height

Journal of Mountain Science
Meng Li, Xiao-Xiao Tan, Han Zhang, Dongxin Hou, Shanxi Wu   +4 more
semanticscholar   +2 more sources