离差最大化在柳刚构桥抗震性能设计参数的应用

连续刚构桥具有刚度大、抗震性能好、造型美观、行车舒适等优点,因此,连续刚构桥越来越受到广大设计者青睐。然而在实际桥梁工程设计时,往往出现某些关键截面的性能不能满足抗震要求,需要调整设计参数以达到其抗震性能要求。运用离差最大化法的原理,以拟建的可克达拉大桥为例,计算各关键设计参数的权重及抗震性能方案评价值。结果表明:梁跨中高跨比、高低墩及桥墩截面形式权重极差最大,对抗震性能影响最为显著,为大跨度连续刚构桥优化设计提供参考。

Maximum Deviation in the Application of the Continuous Rigid Frame Bridge Seismic Performance Analysis of Design Parameters

Continuous rigid frame bridge has good more stiffness good more antseismis capacity, beautiful modeling,comfortable driving and so on. As a result of this,continuous rigid frame has got a really nice reception at bridge designers.But in the actual of brid