Research on Destruction Mechanism and Supporting in Roadway of the SteepCoalSeam of Taiping Coal Mine;
一侧采空巷道稳定性不仅与支承压力分布有关，而且与煤体受破坏程度有关。
2
Base on the site observation and experimental research, the paper studied the top coal structure for the top coal caving mining in steep inclined seam sections.
在现场观测及实验研究基础上，对急倾斜水平分段放顶煤开采过程中顶煤体结构进行了研究。
3
First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failure law of main roof and features of surface subsiding.