Experimental study on preventing slippage failure of resin bolt in coal roadway by backfilling with enlarged bottom

This paper adopts numerical simulation to study the displacement and stress distribution states of each component of the bottom-expanding filling anchorage system, and analyzes the change of controlling roadway deformation and improving anchorage capacity of backfilling anchorage of bottom-expandin...

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Bibliographic Details

Published in:	Meikuang Anquan
Main Author:	NAN Hua, WANG Shuai, WANG Jinrui, LUO Ming
Format:	Article
Language:	Chinese
Published:	Editorial Office of Safety in Coal Mines 2021-02-01
Subjects:	coal roadway resin bolt bottom expansion and filling slip failure numerical simulation roadway support
Online Access:	https://www.mkaqzz.com/cn/article/id/7246