Study on Risk of Dynamic Pressure Induced by Key Strata Fracture in Square Area of the First Face in Western Mining Area

Aiming at the problem of dynamic pressure induced by overburden fracture in the square area of the first face in western mining area, based on theoretical analysis, we studied the risk of dynamic pressure in the square area of faces of different widths by analyzing the probability of overburden frac...

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Bibliographic Details
Main Author: ZHANG Chengwu, FU Xingyu, SHI Yongsheng
Format: Article
Language:zho
Published: Editorial Office of Safety in Coal Mines 2020-06-01
Series:Meikuang Anquan
Subjects:
Online Access:https://www.mkaqzz.com/cn/article/id/6889