隧道结构火灾损伤评定与修复加固措施的研究

Study on Assessment of Fire Damage in Tunnel Structure and Its Restoration and Reinforcement Measures

目前国内建筑物火灾损伤鉴定的研究主要集中在地面建筑物上,地下建筑物特别是隧道建筑物的研究几乎为空白;且隧道建筑火灾损坏的修复加固往往以凭经验偏安全大面积修补为主,其工程修复耗资大、工期长,有一定盲目性。随着今后隧道数量的增加,隧道将向长、大、深方向发展,同时石油产品运输也日趋增加,隧道火灾问题更加突出,隧道结构火灾损坏检定及其修复加固工作已普遍受到人们的关注。作者拟通过理论分析、室内试验、现场模拟试验和现场测试等一系列试验研究,对隧道衬砌结构火灾损伤评定,隧道衬砌灾后修复加固措施等问题作一些探讨。

At present, the study on assessing the fire damage in building mainly focuses on ground build-ing, while the study on underground building, especially on tunnel building is almost a gap. The existing restoration and reinforcement method for fire damage in tunnel building is mainly large ?area patching by relying on experiences and laying stress on safety. In this way, it not only expends money and time, but also has certain blindness. With the increasing of tunnels, it will develop in length, depth, and larger sec-tion in the future, moreover, with the increasing of delivery oil products, the fire problem is becoming more and more serious, thus the assessment of fire damage in tunnel structure and its restoration and rein-forcement work has been paid more and more attention. The author has a discussion on assessment of fire damage in tunnel lining structure and its restoration and reinforcement measures through a series of tests, for example, theoretical analysis, laboratory test, field simulated test, and site test, etc.