丰龙主立井过流沙层的施工技术

Construction Technology in Quicksand Stratum

丰龙主立井采取超前降水、板桩、双层井壁等综合措施,保证了工作面在含水丰富流沙层的安全、快速掘砌,提高了建井的技术经济效益。

In accordance with the complicated strata along rivers in the south bank, Fenglong guarantees safety and swift excavating of working face and improves technical economic efficiency by taking action of advanced precipitation, sheet pile and double -layer wall while drilling.