topple mining

The problems of topple mining process at the great inclined seam production are analyzed, and feasible technology and management measureses and practical experiences in heavy inclined seam are also offered.
分析了高档普采中的仰斜开采工艺 ,在大倾角煤层生产过程中存在的问题。 提出了可行的技术管理措施 ,为在大倾角煤层中使用该采煤工艺提供了实践经验。