斜拉-悬索协作体系桥合理成桥状态的确定

The Study on the Reasonable Finished State of the Large-span Cable-stayed-suspension Bridges

因其突出的优越性和竞争力使得斜拉-悬索体系桥在大跨桥型的工程中得到越来越多的应用，其合理成桥状态的确定是设计中要解决的一个重要的结构受力问题．目前针对斜拉桥和悬索桥成桥状态的确定方法已经比较成熟，但关于斜拉-悬索协作体系这种新桥型的成桥状态的确定方法还很少。本文结合ANSYS的优化模块．对斜拉-悬索协作体系桥成桥状态的确定进行分步计算．算例表明利用此方法能够得到该类桥型的合理成桥状态．

Because of its outstanding superiority and competi- tiveness, the large-span cable-stayed-suspension bridges have been applied more and more frequently in projects of long span bridges. While the study on its reasonable finished state is an important structure issue that should be solved. At present, there are lots of full-fledged methods to determine finished states of cablestayed bridge and suspension bridge. However, methods to ascer- tain the state of large-span cable-stayed-suspension bridges still remain to be discovered. In this paper, we＇ll try to find out the finished state of large-span cable-stayed-suspension bridges through distributed computing, by means of optimization module of ANSYS. It turns that, with this method, we can successfully get its reasonable finished state.