中文摘要：

针对大倾角厚煤层不同煤层倾角条件下采场不同区域的围岩应力变化特征及支承压力变化规律,以庞庞塔煤矿5-103工作面为工程背景,通过采用数值计算软件FLAC3D建立煤层在不同倾角下的模型,分析了在不同倾角下采场围岩的应力状态,讨论了不同煤层倾角条件下采场不同区域的围岩应力变化特征及支承压力的变化规律,并进行了现场测试验证,为解决大倾角厚煤层综放开采中存在的问题提供了一定的参考价值。

英文摘要：

To surrounding rock stress changed characters and abutment pressure changed law of different zone in stope with different coal seam dip angle in large dip angle coal seam, the paper taking 5-103 working face of Pangpangta coal mine as background, the de- tailed FLAC3D numerical model of different coal seam dip angle was built, then stress state of surrounding rock in stope with different dip angle was analyzed, surrounding rock stress changed law and abutment pressured changed law in different zone with different coal seam dip angle were discussed, then filed practical was carried out, the results referring for the problems that existed during top coal caving process in giant thick coal seam with large dip angle.