According to the complex condition of deep excavation in Xinji Mine, FLAC program was carried out for strata movement and surface displacement due to coal extraction by different mining layouts.

• 摘要针对新集三矿急倾斜煤层开采复杂的采矿地质条件，运用求解非线性大变形问题有限差分法(FLAC)，对不同开采方案所引起的岩体移动和地表沉陷进行了研究；