Research On Excavation Support Technology Of Silver Coke Tunnel In Xuzhou Metro Line 3

Along with the rapid development of China's social economy and the acceleration of urban integration,the available resources of the city are extremely scarce.Due to the environmental pollution caused by automobile exhaust,the smog and traffic jams are becoming more and more serious.Therefore,the subway is built in urban transportation.More and more.The development advantages of subway energy conservation and environmental protection,low operating costs and high driving density have become important strategic routes for the sustainable development of today's society.With its advantages of safety,punctuality and speed,the subway plays a huge role in forming urban three-dimensional three-dimensional transportation network,expanding urban space and easing urban traffic congestion.Based on the construction technology of the silver coke section of Xuzhou Rail Transit Line 3,this paper uses software calculation and numerical simulation according to the engineering geological conditions,hydrological conditions,topography and geography requirements of the subway tunnel.The key construction techniques and deformations of the tunnel support structure are analyzed and studied,and the most suitable construction method is selected according to local conditions.The main research contents of this paper are as follows:(1)In-depth analysis of the current background and research significance of the development of the subway,expounding the existing construction methods of major subway tunnels,and conducting comparative analysis;(2)Taking the silver coke section of Xuzhou Rail Transit Line 3 as the research object,analyzing its engineering environment,using SAP2000 structural calculation software to simulate the supporting structure,and ensuring the safety and stability of the construction environment from the theory.Further research on key construction techniques from the construction process to provide technical safety for specific construction;(3)Using real-time monitoring means to monitor the foundation pit.Identify the monitoring methods that are primarily used.Finally,the conclusions and development suggestions for the excavation support structure when the project is constructed by the mining method are studied,which can provide some reference for the similar projects in the future subway construction using the mining method.Figure[49]table[22]reference[62]...