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Construction Technology of Pre-grouting in Weathered Bedrock Section Workface of Main shaft of Tunliu Coal Mine
Author(s): 
Pages: 30-32
Year: Issue:  1
Journal: COAL

Keyword:  工作面预注浆立井井筒风化基岩段含水层;
Abstract: 屯留矿主立井风化基岩段施工中,采用工作面预注浆技术,封堵了井深57~85 m段含水层,取得了预期效果,确保了主立井井筒施工的顺利进行.
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