摘要
以G75兰海高速公路重庆北环至合川段尖山子隧道为依托,根据对该隧道衬砌发生破损掉块事故危及行车安全后委托第三方进行的衬砌结构平行检测结果,并结合隧道实际地质情况及衬砌混凝土施工工艺方法,详细分析了在已运营高速公路隧道中衬砌病害的产生机理。通过对该隧道衬砌病害治理技术方案的对比分析研究,优化了隧道衬砌病害的快速治理技术,在此基础上总结并完善了一套相对成熟的高速公路隧道衬砌病害快速治理技术。该技术能在不影响隧道正常行车的前提下,快速高效的完成隧道衬砌病害的治理,保证隧道后期运营行车安全,同时也为类似条件下隧道衬砌病害的治理提供了良好的借鉴。
The study is based on the Jianshanzi Tunnel from the North Ring Road to the Hechuan Section of the G75 Lanhai Expressway. According to the results of parallel inspection of the lining structure commissioned by a third party after the damage to the tunnel lining,combined with the actual geological conditions of the tunnel and the lining concrete construction technology method,a detailed analysis of the lining disease mechanism for the operated expressway tunnel. Through comparative analysis and research on the technical scheme of tunnel lining disease treatment,the rapid treatment technology of tunnel lining disease is optimized. A set of relatively mature rapid treatment technology for lining disease of highway tunnel lining is summarized and perfected. The technology can effectively control the tunnel lining disease without affecting the normal running of the tunnel,and ensure the safety of the tunnel operation in the later period. It provides a good reference for the treatment of tunnel lining disease under similar conditions.
引文
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