谈公路隧道竖井施工技术

摘要

概述了公路隧道竖井施工特点及施工范围，介绍了其施工流程，探讨了公路隧道竖井导洞堵塞防治技术以及竖井挖空爆破技术，论述了竖井施工的安全防范措施，有利于我国隧道施工技术的参考应用。%The paper indicates the construction features and construction scopes of the vertical shaft of roads and tunnels,introduces its construc-tion procedure,explores the prevention technique for the pilot tunnel blocking of the vertical shaft and the excavation blasting technique of the shaft,indicates the safe measures for the shaft construction,so as to enhance the application of the tunnel construction technique in China.