建筑物下煤柱巷道穿采探讨

Study on partial extraction of coal pillar under buildings

本文针对泉上煤矿建筑物下煤柱开采问题 ,实施了巷道穿采方案 ,经一年多的开采 ,共采出煤炭1 7.48万 t,回收率 3 8% ,地表下沉仅 1 6mm,地表建筑物未产生任何变形 。

In this paper, the author discusses the partial lane extraction plan applied to exploitation of coal pillar under industrial square and living district of Quanshang coal mine. For one year, exploited coal has been up to 174.8 thousands of tons, the recovery up to 38%, the subsidence of surface up to 16 mm. In the same period, buildings on the ground have no deformation and beneficial economic and social results have been achieved.