| With the development and progress of society,infrastructure construction has been continuously strengthened in order to realize people’s pursuit of a better life.In recent years,Xuzhou has been carrying out metro construction to meet people’s travel needs.In order to ensure the safety of the project,it is necessary to study the monitoring and measurement of tunnel deformation.This thesis firstly analyzes many accidents in the historical construction of Xuzhou Metro(the collapse of the vault of the tunnel in Zhenxu section,the flooding of river water in Yinjiao section,and the collapse of the tunnel in Pengjian section).Good monitoring and measurement work leads to the phenomenon of wrong judgment on the actual situation of construction,which needs to be strengthened in subsequent construction.Then,the influence of the tunnel construction process is analyzed by the method of ANSYS numerical simulation,the types and contents of monitoring and measurement work that need to be carried out are expounded,and the monitoring and measurement items and monitoring network construction of Xuzhou metro tunnel construction are summarized,mainly including: The vault bottom settlement,clearance convergence,surface settlement and pipeline settlement in the tunnel during construction.In order to complete the tunnel monitoring and measurement more efficiently and ensure the safety of the project,in the information age,the construction process of the BIM system of Xuzhou Metro and its application in monitoring and measurement,and the application method of monitoring and measurement data is explained.The special circumstances of the emergency response plan,fully achieve the expected effect of monitoring and measurement work.Afterwards,it puts forward suggestions on accident protection in actual projects,and provides reference for subsequent project construction and operation.There are 38 figures,19 tables,and 101 references in this thesis. |
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