Analysis Of Floorbeam In Cable-Stayed Bridge With Finite Element Method

The girder structure of the cable-stayed bridge adopt widen double girder with opened section in many bridges. For the floorbeam can connect the girder and the deck to undertake the loads together, it will decide the stability and safety of the bridge .So it is a important parameter in the bridge design.This paper is based on the JINSHA JIANG cable-stayed bridge. In this paper, integral and detailed finite element model is established with MIDAS/CIVIL to computer the force conditions under various load conditions after the completion of the bridge. In the base, this paper establish solid element model for the beam segment and floorbeam to find out the stress distribution difference of the floorbeam among the load of self-weigh, live, temperature, and compare to the result of simplified computation , the paper summarize the result. And make the analysis of the stress distribution in beam segment under the combination of dead, live load, temperature load.Therefore the author can comprehensively understand the force behavior of the beam segment and floorbeam.