If the mined zone go into the security coal pillar, the house crack could be thought caused by mining.
房屋裂缝是否由煤矿采煤引起，主要是看采空区是否进入村庄保安煤柱。
The impacts on the security of Xifeihe River left embankment under coal mining are evaluated with elastoplastic model, two-exponent rheological model and probability integral method.
然后利用数值模拟软件中的弹塑性模型和流变模型及概率积分法开展煤层开采对西淝河左大堤安全的影响评价。
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