Technology and application of staged fracturing weakening and relieving danger in hard roof

Aiming at the difficult problem of controlling dynamic pressure disaster induced by hard roof in Buertai Coal Mine in Shendong Mining Area, the expansion equation of pressure fractures in hard rock stratum is established, and the mechanism of advanced weakening of segmented hydraulic fracturing in h...

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Bibliographic Details
Main Authors: Yongquan SHAN, Dengyan GAO, Jianhua CHEN
Format: Article
Language:zho
Published: Editorial Office of Safety in Coal Mines 2025-03-01
Series:Meikuang Anquan
Subjects:
Online Access:https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20241101
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