Hydraulic weakening technology for unsupported top coal at the end of fully mechanized caving face

To address the issue of excessive unsupported top coal length and delayed caving at the end of a fully mechanized caving face, a hydraulic weakening technology for face-end top coal in steeply inclined thick coal seams was proposed based on the coal-breaking and cavity creation method using high-pre...

Full description

Saved in:
Bibliographic Details
Main Authors: DONG Haofu, ZHANG Wei, SUN Guangjun, FU Huijian, LONG Zhaoxi, LIU Yang, LIU Dongliang, ZHU Xiaodong
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2025-05-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2025020050
Tags: Add Tag
No Tags, Be the first to tag this record!