Analysis on Surface Settlement Monitoring Results of Xianglushan Tunnel Crossing Shanghe Expressway
In order to ensure the safe and normal operation of highways,it is necessary to grasp the disturbance of the strata and the stress situation of the support structure caused by the construction of underpass tunnels.Based on the on-site monitoring and measurement of the Xianglushan Tunnel physical project of Central Yunnan Water Diversion Project,this paper introduces the relevant monitoring schemes and their monitoring results.The results indicate that during the tunnel construction process,the deformation of the surrounding rock tends to stabilize,and the safety factors of the internal forces of the steel arch and secondary lining meet the design specifications.It indicates that the tunnel construction plan is reasonable,the engineering structure is stable and reliable,and the sensors used effectively complete the relevant monitoring tasks.
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