CAJ | 학술논문

针对唐公沟煤矿的采矿地质条件,为确定4-2上煤层煤巷掘进引起3-2煤层房柱式采空区煤柱失稳拍击底板是否会导致4-2上煤巷失稳,利用Abaqus进行数值模拟,得出顶板大面积垮落拍击底板的冲击载荷不会对煤巷造成巨大冲击影响,不会击穿巷道,为工程实践提供了重要的指导意见。
침대당공구매광적채광지질조건,위학정4-2상매층매항굴진인기3-2매층방주식채공구매주실은박격저판시부회도치4-2상매항실은,이용Abaqus진행수치모의,득출정판대면적과락박격저판적충격재하불회대매항조성거대충격영향,불회격천항도,위공정실천제공료중요적지도의견。
Aiming at the mining geological conditions of Tanggonggou Colliery,in order to determine the unstability of coal pillar of room and pillar goaf on 3-2 Seam rattling floor will lead to the unstability of coal pillar on 4-2 Seam or not while heading excavating on 4-2 Seam,the authors introduce Abaqus software to conduct numerical simulation and come to the result that impact load of roof falling over great extent rattling floor will not cause by the huge impact of coal roadway and will not breakdown roadway,which provides important instructional views for engineering practice.