旗号岭隧道岩溶地段防排水综合施工

Waterproof and Drainage Comprehensive Construction of the Qihaoling Tunnel in Carst Areas

介绍旗号岭隧道岩溶地段根据涌水量确定不同的防排水形式 ,涌水部位采取喷射混凝土、设置排水盲沟、集水槽及排水通道、增设洞内涵洞、铺设防水板。

Engineers used different waterproof and drainage methods according to different gushing water amount and adopted many methods at gushing water parts including spray concrete, placing drain blind ditches,collecting basins and drain tunnels,adding culverts,paving waterproof slabs and waterproof concrete and so forth.In this article,authors introduce these water proof and drainage techniques and their effects.