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。
The result was applied to the practice of short-wall mining under villages of Wuyang mine to achieve the safe and high-efficient exploitation and control the mining subsidence effectively.
研究结果应用于五阳煤矿村庄下采煤实践，实现了安全、高效开采，并有效控制了地表沉陷。
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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