The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining.
根据短壁开采条件下保护煤柱的布设特点，建立由保护煤柱支承的关键层力学分析模型。
Taking 2-2 coal seam of Halagou coal mine for example, laneway system and its interrelated parameters with short-wall and continuous mining machine in Shendong mining area were introduced.
以哈拉沟煤矿2 - 2煤层的开采系统为例，介绍了神东矿区连续采煤机短壁式机械化开采的巷道系统及其相关参数。
The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
采用岩石破裂过程分析软件RFPA2D系统，对短壁机械化开采的煤柱稳定性进行数值计算与分析。
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