基金
Supported by the Scientific Research Business of China University of Mining & Technology (Beijing) (2009QZ04)
the National Natural Science Foundation of China (50974123)
关键词
综采放顶煤
倾斜厚煤层
显现规律
顶板压力
回风巷道
早期阶段
采空区
元计算
steeply inclined and extremely thick coal seam, horizontal fully mechanized top coal slice caving, undergroundpressure, numerical calculation