水资源与水工程学报2013，Vol.24Issue(1)：152-154,3.
薄煤层综采工作面围岩运动与矿压显现规律研究
Research on law of surrounding rock movement and rock pressure in full-mechanized mining face of thin coal seam
孔祥义 1徐兆龙 1武孟雄1
作者信息
- 1. 辽宁工程技术大学 矿业学院,辽宁 阜新 123000
- 折叠
摘要
Abstract
After long - term sedimentary structure effect, the coal face roof rock itself appears various fractures, owing to mine pressure appearance after mining the coal, parts of goaf overburden rock gradually become distortion,delamination even fall. Due to the collapse of roofs, formation of air disasters is related to the rock pressure and the surrounding rock movement law. Therefore, to master the law is a key factor of realizing mine safe and effictive production. This paper based on the background of one mine full-mechanized mining face in thin coal seam of 8214 and used UDEC to study working face of first weighting interval , cycle weighting interval and fracture development. By analyzing the simulation results, it reflected the law of rock pressure and the surrounding rock movement. The conclusion provided a reference for knowing the problem of mine roof collapse in similar mine.关键词
薄煤层/初次来压步距/周期来压步距/裂隙发育Key words
thin coal seam/ first weighting interval/ cycle weighting interval/ fracture development分类
矿业与冶金引用本文复制引用
孔祥义,徐兆龙,武孟雄..薄煤层综采工作面围岩运动与矿压显现规律研究[J].水资源与水工程学报,2013,24(1):152-154,3.
