Study On Assessment Of Bearing Capacity And Finite Element Analysis For Gezhouba Huangbohe Bridge

Many working bridges'normal function and security have some hidden troubles and disfigurements. The reasons of the results are the shortcoming in designing and constructing quality of these bridges; the bearing capacity of the early bridges is inadequate; the physical damnification in the using process; overloading leads that the damnification is more and more bad; the natural disaster, and so on. In order to keep the bridge in security status, it's necessary that the states of the bridges should be in hands in all sides, especially in carrying capacity. Based on a practical engineering, Gezhouba Huangbohe Bridge, this paper analyses the bearing capacity and finite element analyses for it based on the test. The main points are as follows.First of all, the paper describes the methods and results of the static load test for Gezhouba Huangbohe Bridge.Secondly, based on the results of the test, this paper assesses the bearing capacity of the bridge. Then, study on the stress distribution state and amount of deflection of the main bridge are made on the basis of the software Midas.At last, compared with the actual test data and the result of finite element analysis, the conclution, the results of finite element analysis, field loading test and theoretic calculation are accordance very well, can be drawn. It shows that the building of the finite element analysis model is reasonable, the analysis method is corrected. It can be used to direct loading test , it can make up the limits of the field loading test. It can be evaluating the bridge scientifically. The results in the paper is useful for reference to the bridge strenthened.