Combined with engineering practice and test study of loess basement dumping site in a coal mine. More probe to flow deformation feature for evolution soft layer is given here.
结合对某矿黄土基底排土场的工程实践与试验研究，对演化弱层的流动变形特性做了进一步的探讨。
The opening stability in soft weak coal layer is important to the safe production in a mine.
软弱煤层巷道的稳定性对煤矿正常安全生产起着重要作用。
The time to produce damage deformation in surrounding rock and possible loosening area are obtained by analyzing in situ measurement of displacement in soft weak coal layer.
本文通过对软弱煤层巷道进行位移实测及数据分析，得到了西部某矿软弱煤层巷道围岩变形达破坏所需的时间和可能的变形松动区域。
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