Underground excavation leads to surface subsidence. Once the surface deformation value exceeds a certain limit, the railway in surface subsidence area will be seriously damaged.
地下开挖工程导致地表沉陷，一旦地表变形值超过一定界限时，地表沉陷区内的铁路就会受到严重破坏。
And combine control mining method, surface subsidence preplan theory, mining landslide area disaster forecast and numerical simulation studied out controlling mining estimate measure.
并结合控制开采方法、煤柱稳定性分析、地表沉陷预计、采动滑坡区灾害预测理论以及数值模拟确定了控制开采的评价方法。
The surface subsidence above coalmine gob area is a typical and serious geological environment problem in Yongcheng mining area.
煤矿采空区地面沉陷是永城矿区典型、突出的矿山地质环境问题。
The results can provide theoretical basis and scientific references for Kailuan mining area and similar mining area to predicting and controlling surface subsidence and mining under the "three body".
本文的研究成果对开滦矿区深部开采及类似矿区的地表沉陷预测及控制、“三下”采煤具有一定的理论价值和指导意义。
The laws of ground surface subsidence and rock mass movement in east area of Chenchao iron mine due to underground mining are studied.
以大量的现场实测资料为基础，分析了程潮铁矿东区地下采矿引起的地表沉降和岩层移动规律。
The laws of ground surface subsidence and rock mass movement in east area of Chenchao iron mine due to underground mining are studied.
以大量的现场实测资料为基础，分析了程潮铁矿东区地下采矿引起的地表沉降和岩层移动规律。
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