Key Points of Technical Control of Highway Tunnel Construction Quality
In the construction of highways in China,the number of tunnel constructions is constantly increasing,and the scale and diffi-culty of tunnel construction are constantly increasing.In order to ensure the achievement of quality,progress,safety,civilization,envi-ronmental protection and other goals during the construction of highway tunnels,and to improve investment efficiency and engineering management level,from the perspective of practical management,relying on the Dahongcun Tunnel in the Chizhou to Qimen section of the Dezhou to Shangrao Expressway,this article provides a detailed introduction to the key and difficult points of quality control in highway tunnel construction in six aspects:technical preparation,measurement preparation,test preparation,tunnel entrance construc-tion,middle guide tunnel construction and main tunnel construction.Through practical construction experience analysis,identify the ar-eas or processes where quality problems are prone to occur during tunnel construction.By analyzing the problems,the solution is pro-posed.
tunnel constructionmiddle guide tunnelmain tunnelquality control
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