Study on the Stress Field and Crack Propagation of Coal Mass Induced by High-Pressure Air Blasting

Study on the Stress Field and Crack Propagation of Coal Mass Induced by High-Pressure Air Blasting

High-pressure air blasting (HPAB) is one type of physical blasting technique that enhances the extraction rate of coalbed methane by impacting the coal mass with high-pressure gas to create cracks within it. First, based on the physical and mechanical parameters of the simulated coal rock mass, the...

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Bibliographic Details
Main Authors: Xiaolin Yang, Chang Wang, Huaibao Chu, Shaoyang Yan, Haixia Wei, Mengfei Yu
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Minerals
Subjects:
high-pressure air blasting (HPAB)
coal mass
stress field
crack propagation
in-situ stress
Online Access:https://www.mdpi.com/2075-163X/12/3/300

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