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This paper presents an example of the Pinghong(Pingxiang to Hongkoujie) expressway in Jiangxi pr ovince continual construction project, focusing on identification of disease types, analysis of disease causes, as well as to the measures and suggestions for disease treatments. It can provide references for fu- t ure tunnel design, construction and management. I ntroduction A fast, convenient and efficient transportation condition has brought many benefits for the development of the national economy and the improvement of the residents' living environment. People's awareness of the importance of expressway increases strongly. Expressway construction investment scale is huge, under- f unded investment will cause the work cessation. Without any effective protection, the perennial work s toppage expressway project, diseases of the built project are more than the new one. Structures ar e in the unreasonable interface after long-time shutdown. Before the resumption of expressway construction, the partly lost quality check file data gives the quality evaluation of built projects troubles so much as the quality of concealed work. Based on the complex characteristics of continual construction projects, identification of disease types provides the basis for the evaluation of the reliability, the analysis of the reliability and du- r ability for the continual construction projects and the completion of projects. A recent domestic study, some scholars have studied on the disease types and causes of expressway bridges of continual construction projects, putting forward the corresponding measures (1). At present, domestic and overseas scholars have researched in disease types, the causes of disease, disease treatment m easures and suggestions of new and built tunnels. But, it is still in the blank for perennial work stoppage ones. This paper will systematically research in three aspects: the disease type, the cause of the disease, the t reatment measure and suggestion for diseases of perennial work stoppage tunnels.

Disease Types and Processing Measures in Perennial Work Stoppage Tunnels