Study On Optimizing Metheds Of Cable Force Of Self-anchored Suspension Cable-stayed Combined System Structure Bridge

The real bridge is taken as the project backing, based on the methods of cable force optimization of cable system bridge existing ,the methods of cable force optimization of Self-anchored Suspension—Cable-stayed Combined structure System Bridge are studied, main research contents to be as follows:(1)According to existing research results and the domestic and foreign related literature,the methods of cable force optimization are introduced, which determine reasonable finished bridge state and reasonable construction state of cable system bridge , and brief narration is taken on the advantages and disadvantages of Optimization Method.(2) On the basis of the methods of cable force optimization of cable system bridge, the methods of cable force optimization are summarized, which determine reasonable finished bridge state and reasonable construction state of Self-anchored Suspension—Cable-stayed Combined structure System Bridge: well distributed cable force and Bending Moments of the main girder and tower are taken as the control objective, By getting reasonable construction state from forward iteration method.(3) Based on the cable force optimization of Self-anchored Suspension—Cable-stayed Combined structure System Bridge, MIDAS/Civil the general finite element computational procedure is used, the real bridge model is established in order to study the problem of cable force optimization on reasonable finished dead state and reasonable construction state of the real bridge.