高寒地区特长公路隧道的抗防冻措施

Antifreezing and Frost-proof Measurement of Extra Long Highway Tunnel in High-cold Area

在对世界范围内各种隧道抗防冻措施进行调研分析的基础上,针对高寒地区特长公路隧道的特点,提出了适合高寒地区特长公路隧道的抗防冻综合措施:可采用抗冻砼、钢筋砼以及增大衬砌厚度等措施抗冻;可采用供热法、防寒门法以及隔热材料法等措施防冻,其中表面铺设隔热材料法更加安全可靠。

Based on research and analysis of a great many types of worldwide-used antifreezing and frost-proof measurements, taking into consideration the characteristics of extra long highway tunnel in high-cold areas, this thesis puts forward antifreezing and frost-proof measurement suitable for extra long highway tunnel in China＇s high-cold area. In view of antifreezing measurement, frost-resistance concrete, steel concrete can be used and the lining thickness can be increased. As to frost-proof measurement, methods like heat supply, cold proof, heat insulating materials are feasible and also heat insulating materials can be laid to the surface to guarantee the quality.