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The Main Shaft Dustpan Loading Chamber Driving Construction
Author(s): 
Pages: 75,78,80
Year: Issue:  12
Journal: Coal

Keyword:  箕斗装载硐室分层掘进锚网喷锚索混凝土支护;
Abstract: 晋昶煤矿主井箕斗装载硐室高11.46m,净跨度7m,所处层位位于二叠系下统山西组,是砂岩、泥岩、煤多岩层交互组成的复合层位,施工难度较大;采用井筒超前掘进、上中下分层施工、锚网喷+锚索+混凝土复合支护,实现了工程优质、快速、安全施工,取得了良好效果.
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