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Application of Shallow Hole Pre-grouting Technique in Working Face
Author(s): 
Pages: 19-20
Year: Issue:  4
Journal: COAL SCIENCE & TECHNOLOGY MAGAZINE

Keyword:  裸露工作面浅孔预注浆凝固双液瞬时放炮;
Abstract: 刘东煤矿建井期间,为加快施工进度,采用裸露工作面浅孔注浆技术,边探,边注,边掘.施工中一改过去常用的水泥-水玻璃双液浆堵水的方法,使用单一水泥浆在工作面岩面上直接造孔注浆,结束后及时装药放炮,取得了很好的堵水效果,加快了井巷施工进度.
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