Based on the movement characteristic of roof structure in fully-mechanized sublevel caving face, the range of movement strata of overlying strata is described particularly, and the possible numbers of rock block composing roof structure are analyzed.
根据综放采场顶板结构运动特点,详细描述了综放采场上覆岩层中需控岩层的范围。
参考来源 - 综采放顶煤采场厚层坚硬顶板稳定性分析及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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