Research On Hybrid Structure Construction Of Highway Bridge And Tunnel Connection

Due to the bridge connection between the bridge and tunnel engineering in the distance is too small,so need to carry out the abutment excavation or concrete pouring work required in the tunnel construction.From the bridge design and construction features of levels of analysis,the characteristics of excavation and tunnel excavation of the abutment structure are inextricably linked.Therefore,it is necessary to make a further analysis for the mixed structure construction of highway bridge and tunnel connection section,firstly the research background of the classroom and the significance and purpose of the thesis is summarized,literature review and Research on the domestic,and the main contents of the research are clarified.The overview of the theory on form and construction features of the bridge connection.For the combined form of highway bridge and tunnel,bridge and tunnel,bridge and tunnel including the cascade tunnel connection docking and three ways of three kinds of connection forms adaptive analysis,concrete analysis of bridge tunnel design and construction characteristics of the.Then the numerical simulation of the tunnel is in the form of Myeongdong,according to the structure of open tunnel from the bridge abutment distance will be divided:abutment section,adjacent abutment and away from the abutment stress;each section of the structure analysis of bridge tunnel and the tunnel before and after the demonstration phase of the form.Finally,the specific analysis of the beam construction method of unfavorable geological section of tunnel construction technology,the connection section of the bridge abutment construction technology,construction technology of tunnel and tunnel excavation under the connection box,and hope to summarize the preliminary research and construction technology of highway bridge tunnel engineering to do.