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zong fang yu zong cai kai cai tiao jian xia di biao yi dong gui lv dui bi fen xi
Author(s): 
Pages: 65-67
Year: Issue:  5
Journal: Coal

Keyword:  综放综采地表移动“三下”采煤;
Abstract: 基于实测地表移动观测站岩移数据,对综放和综采开采条件下地表移动变形规律、静态角量参数、动态角量参数及地表下沉速度等地表移动特性对比分析,得出:综放工作面地表危险移动范围、地表最大下沉速度、地表移动边界角和最大速度滞后角大于传统分层综采工作面,而地表移动盆地范围明显小于综采工作面,综采条件下地表下沉更为剧烈,地表移动变形更为集中。研究成果对开展“三下”采煤技术和维护经济社会的稳定具有重要意义。
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