同煤科技
同煤科技
동매과기
SCIENCE AND TECHNOLOGY OF DATONG COAL MINING ADMINISTRATION
2014年
1期
32-35,39
,共5页
综放面%煤柱尺寸%数值模拟
綜放麵%煤柱呎吋%數值模擬
종방면%매주척촌%수치모의
fully mechanized working face%coal pillar size%numerical simulation
针对内蒙不连沟煤矿的地质条件进行煤柱尺寸合理优化,采用FLAC软件对不连沟煤矿F6201综放面护巷煤柱尺寸进行数值模拟,通过对不同尺寸煤柱留巷巷道的垂直应力、水平应力、巷道变形和塑性破坏范围进行数值计算及比对分析,得出合理煤柱尺寸,保证工作面安全回采,同时为煤矿节省更多的资源。
針對內矇不連溝煤礦的地質條件進行煤柱呎吋閤理優化,採用FLAC軟件對不連溝煤礦F6201綜放麵護巷煤柱呎吋進行數值模擬,通過對不同呎吋煤柱留巷巷道的垂直應力、水平應力、巷道變形和塑性破壞範圍進行數值計算及比對分析,得齣閤理煤柱呎吋,保證工作麵安全迴採,同時為煤礦節省更多的資源。
침대내몽불련구매광적지질조건진행매주척촌합리우화,채용FLAC연건대불련구매광F6201종방면호항매주척촌진행수치모의,통과대불동척촌매주류항항도적수직응력、수평응력、항도변형화소성파배범위진행수치계산급비대분석,득출합리매주척촌,보증공작면안전회채,동시위매광절성경다적자원。
For the geological conditions of Inner Mongolia Buliangou Coal Mine, coal pillar sizes are reasonably optimized, chain pillar sizes of F6201 fully mechanized working face in Buliangou Coal Mine are numerically simulated by using FLAC software, through numerically simulating and comparativly analyzing vertical stress, horizontal stress, roadway deformation and plastic failure range of different sizes of coal pillar entry retaining roadway, reasonable coal pillar sizes are gotten, working face safety mining is ensured, more resources are saved for coal mines.