山岭隧道的封堵设计与施工

对于各种特殊原因造成的某些废弃的油气管道隧道,必须采取环保、安全、可靠的封堵方法进行处理,避免产生次生灾害。针对不同地质和水文条件下的隧道,可采用混凝土封堵墙、注浆堵水、挂网锚喷混凝土、局部钢支架加固等方法进行有效封堵。通过对四川某地一条天然气管道隧道进行封堵设计和施工情况分析介绍,研究探讨了隧道封堵的处理措施和适用方式。目前,该隧道封堵效果良好,为管道隧道的封堵设计和施工提供一定的参考。

Design and Construction of Mountain Tunnel Plugging

For some oil and gas pipeline tunnels abandoned due to various special reasons,environment-friendly,safe and reliable measures must be taken for plugging and treatment in order to avoid secondary disasters.For pipeline tunnels in different geological and hydrological conditions,such effective methods can be used for plugging as concrete block wall,grouting for plugging water,mesh anchor spray cement concrete and local steel supporting.Analyzed are design and construction conditions for plugging a gas pipeline tunnel somewhere in Sichuan province and studied and discussed are measures and methods for tunnel plugging.At present,the results of plugging this tunnel are very good,which will provide some reference for design and construction of pipeline tunnel plugging in the future.