Investigation of the process of perforating hard roof in an innovative technology of directional roof‐cutting by composite blasting

Abstract The hard roof in coal mines will induce strong pressure problems for the working face and the lanes, which will seriously affect the safe and efficient production of the mine. For these issues, our team developed a new technology of cutting hard roof by composite blasting. With the new tech...

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Bibliographic Details
Main Authors: Bochao Ma, Yang Tai, Yong Li, Hongchun Xia, Xiangbin Meng
Format: Article
Language:English
Published: Wiley 2023-07-01
Series:Energy Science & Engineering
Subjects:
Online Access:https://doi.org/10.1002/ese3.1475