The Structure And Seismic Response Analysis Of A Small Radius Curved Box-Girder Bridge

The mechanics behavior of a representative small radius curved box-girder bridge is studied in this dissertation. Utilizing the large-scale general finite element software ,ANSYS, to study the influences of the supporting layout way, the eccentricity and the restraint form on internal force of the structure. On the basis of these, the influences of the dead load, vehicle moving load, temperature load and seism on the structure are further discussed in order to summarize some rules from a great deal of calculation and comparison to provide new ideas and practical methods of calculation for the small radius curved box-girder bridge design .Main contents is as follows:1.Influences of the supporting layout way on the internal force of the structure ;2.Studing the suitable bearing eccentricity ;3.Comparison and selection of the supporting restrain form ;4.Static analysis of the small radius curved box-girder bridges;5.Seismic response analysis of the small radius curved box-girder bridges .