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基建场地下伏采空区剩余沉降量的计算是确定采空区危害程度的一种有效方法。该文应用有限差分数值计算方法对山西阳泉市西沟新村基建下伏采空区剩余沉降量进行计算,经与实测资料和其它方法结果的对比,十分吻合。实践证明,在正确确定采空区覆岩地质力学模型的前提下,应用数值模拟计算采空区剩余沉降量,可获得符合场地实际的有益结果。
The calculation of the remaining settlement of underground gob in the capital construction site is an effective method to determine the damage extent of the goaf. In this paper, the finite difference method is used to calculate the remaining settlement of the underground gob area in Xigou Village of Yangquan City, Shanxi Province, which is in good agreement with the measured data and other methods. Practice has proved that, in the correct determination of mined-out area under the premise of geomechanical model, the application of numerical simulation of residual settlement in goaf, can be obtained in line with the actual site of the beneficial results.