平朔井工二矿1103采面初次来压数值模拟分析

Numerical simulation and analysis on initial pressure of working face 1103 in Pingshuo No.2 subterranean coal mine

针对平朔集团有限公司井工二矿1103采面11号煤层开采问题,采用综放采煤法回采,拟采用大采高一次采全高综采采煤法开采.为保证安全生产需进行初次来压分析.运用FLAC计算软件模拟分析研究初采阶段初次来压规律,分析判断来压位置和来压强度.结合研究理论分析总结老顶初次来压规律.研究结果对该矿具有重要意义,确保该矿继续安全高效生产,同时也为其它相似地质条件的矿井生产提供重要参考价值.

In order to solve the coal seam mining problem of 1103 working face of China Pingshuo NO.2 subterranean coal mine, this paper planned to mine with large height and full-seam mining with fully mechanized mining method. FLAC was used to simulate and analyze the first weighting regularity in the initial stage, and determine the station and strength of weighting. The research result is significant to this mine, it not only assure the high yield and high efficiency of this mine, but also provide important reference to other mines who has the similar geological conditions.