中文摘要：

针对安山煤矿2002工作面过沟开采地表形成的裂隙可能导致季节性流水涌入矿井造成矿井水害的问题,提出采用计算机数值模拟技术,模拟过沟开采煤层覆岩破坏的发育规律,为工作面安全过沟开采提供理论依据。

英文摘要：

The ditch mining of working surface leaded to the formation of cracks of 2002 working face of Anshan coal mine,according to this situation,the computer numerical simulation method is adopted to simulate the development rule of coal strata destruction by ditch mining so as to provide some theoretical reference for the ditch mining safety of working face.