煤矿开采
煤礦開採
매광개채
COAL MINING TECHNOLOGY
2013年
6期
78-80
,共3页
大采高%回撤通道%矿压规律
大採高%迴撤通道%礦壓規律
대채고%회철통도%광압규률
large mining height%dismantle roadway%underground pressure rule
针对寺河煤矿6.2m厚煤层一次采全高综合机械化开采条件，对工作面回撤通道的矿压规律进行了实测研究，实测内容包括：围岩垂直压力、顶底板移进量、支架工作阻力和顶板离层。监测数据表明：岩层响应和超前压力传递大体经历4个阶段，即稳定阶段、加速阶段、显著阶段和突变阶段。
針對寺河煤礦6.2m厚煤層一次採全高綜閤機械化開採條件，對工作麵迴撤通道的礦壓規律進行瞭實測研究，實測內容包括：圍巖垂直壓力、頂底闆移進量、支架工作阻力和頂闆離層。鑑測數據錶明：巖層響應和超前壓力傳遞大體經歷4箇階段，即穩定階段、加速階段、顯著階段和突變階段。
침대사하매광6.2m후매층일차채전고종합궤계화개채조건，대공작면회철통도적광압규률진행료실측연구，실측내용포괄：위암수직압력、정저판이진량、지가공작조력화정판리층。감측수거표명：암층향응화초전압력전체대체경력4개계단，즉은정계단、가속계단、현저계단화돌변계단。
Comprehensive observation including abutment pressure , roof-to-floor convergence , working resistant of powered supports and roof separation was carried out for single-mining 6.2m fractured coal-seam in Sihe Colliery.Observation data at middle of dismantle roadway showed that there were 4 phrases in rock response and advanced pressure transition: stability phrase , acceleration phrase , notability phrase and mutation phrase.
