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深厚覆盖层成洞,特别是大断面洞室开挖,一直是施工单位认真进行研究的课题之一。本文从冶勒水电站右岸防渗墙施工廊道开挖的实际情况,着重介绍短台阶掘进开挖方法在覆盖层成洞中的应用,可供类似工程施工参考。
Deep covering caverns, especially large-section cavern excavation, has been one of the subjects that the contractor should seriously study. This article from the Yele hydropower station right bank impermeable wall construction corridor excavation of the actual situation, highlighting the short-term method of excavation tunneling in the cover hole in the application of similar projects for reference.