隧道火灾后结构物快速检测评估及处治设计分析

以京珠高速公路大宝山隧道火灾后结构物损伤为研究对象,重点分析隧道内发生火灾后,对隧道损伤部分进行快速检测的内容及其方法。根据检测结果,科学合理评估火灾烧损等级,制定快速又合理的加固设计方案,并结合营运3年的检查情况,认为处治设计方案科学合理,达到了预期的加固效果。

Rapid Detection,Evaluation and Treatment Design Analysis for Tunnel Structure after Fire

This paper,taking the structure damaged after a fire inside Dabaoshan Tunnel of Jingzhu Expressway as an object,analyzes and studies the content and method of rapid detection.In accordance with the main conclusions of the testing,the appropriate grades damaged are defined scientifically and reasonably and reinforcement designs are worked out rapidly and reasonably.Combined with the three years of operating inspections,the treatment design can be considered to be scientific and has achieved an expected reinforcing effect.