韩桥煤矿井田采空区地面建筑地基稳定性研究

 针对多煤层复杂采空区上建设用地，将概率积分法和FLAC3D数值模拟相结合，以概率积分法计算所得地表残余沉降量为已知结果，综合岩石试验结果和工程类比经验，建立多煤层复杂采空区的地质模型，进行反复试算，调整，得出研究区的地表移动变形和垂向应力。同时提出了一种基于FLAC3D的采空区上建筑物稳定性计算分析的方法和程序，认为三维数值模拟能较好地解决采空区上建筑物的稳定性问题，弥补了概率积分法不能反映地质体应力的缺点。

Study on Foundation Stability of Surface Buildings Above Mining Goaf in Minefield of Hanqiao Mine

Aimed at the construction land of multi-coal seams and complicated goaf, a geological model of the multi-coal seams and complicated goaf was established and repeatedly calculated and adjusted to get the ground movement and deformation and vertical stress with the method of probability-integral combined with FLAC3D numerical simulation , based on the surface residue subsidence value calculated with the probability-integral and the comprehensive the rock test results as well as the project analogy experiment. In the mean time, a new method and program for calculating buildings stability of the goaf based on FLAC3D was put forward to solve the problem of buildings stability of the goaf, which simulate the disadvantages of the probability-integral could not reflect the stress of geologic bodies.