城陵矶越江隧道南岸沉井底部注浆施工技术

Construction technology of Pouring cement mortar to the bottom of sink well on the south bank of Chenglingji tunnel over the Yangtze River

介绍竖井矿山法施工前,进行沉井底部注浆加固土体,保证竖井矿山法开挖的施工安全,降低施工难度,减少破除封底混凝土风险的施工技术。