摘要
通过对小康矿南一采区西三综采放顶煤工作面两巷矿压观测,分析了29#U型钢直墙半圆拱加喷射混凝土联合支护的破坏原因;通过对矿压显现规律的分析,提出了合理支护结构的选择原则。
Analysed the roadway damaging reasons due to rock pressure of fully mechanized sublevel caving mining face in Xiaokang Coal Mine,in roadway adopted combined support with 29 # U steel and shotcrete on the vertical vall and arch by ground behaviour,offered the principle to choose the structure of support.
关键词
综采
放顶煤
巷道
矿压观测
支护结构
fully mechanized sublevel caving mining,roadway,rock pressure observation,support structure