隧道保温防冻技术应用研究  

Application and Study of Insulation and Anti-freeze Technology for Tunnel

作　　者：王军瑞 王广健 王宁 

机构地区：[1]中交一航局城市交通工程有限公司,天津市300457

出　　处：《公路》2016年第6期286-293,共8页Highway

摘　　要：以鹤大高速ZT08标段中两座隧道为依托工程,分析隧道内产生冻害的原因以及防治措施,推广应用以防排水为主、隧道衬砌敷设隔热材料法为辅的隧道防冻保温施工技术,尤其是洞口带的结构抗防冻能力,以保证后期运营阶段隧道的安全性及结构的长期寿命等问题,为以后在寒冷地区施工隧道积累施工经验。Based on the two tunnels project in the ZT08 Contract Section of Heling-Dalian Expressway,the causes and prevention and treatment measures of freezing damage inside the tunnels are analyzed.The anti-freezing and insulation measures of focusing on waterproof and draining and assisting with laying insulation materials in the tunnel lining are recommended,especially at the tunnel portal zone to ensure the safety and long service life of structures in operation phase.This can cumulate construction experience for tunnels in cold are.

关 键 词：寒区公路隧道 防排水 排水沟保温出水口 保温层 

分 类 号：U457.5[建筑科学—桥梁与隧道工程]