| By giving a example of Guangfu tunnel in Tianshan highway, the cause of collapse is analyzed comprehensively and every project is compared, then an appropriate one in which insisting practicality and safely is chosen .Aimed at this project, monitoring and measurement is used to monitor safety of construction process and estimate the result of the project; force to supporting structure and surrounding rock deformation are analyzed through finite element numerical analysis to estimate the result in the abstract, and results of two methods are compared. It is hoped that disposal of tunnel collapse can be more instructive through the investigation in this paper. |
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