极端波浪作用下跨海大桥桥塔施工期的动力响应

摘要

以琼州海峡大桥为研究对象，根据 Morison 方程，分别运用 Airy 线性波、Stokes 二阶波和 Stokes 五阶波进行了数值造波，分析了三种波浪理论模拟的波面升高以及波浪荷载特点，在此基础上将计算的波浪力时程作用于桥塔有限元模型，研究了施工期桥塔的动力响应特点。%Taking the Qiongzhou Strait Bridge as the research object,according to the Morison equation,respectively using the Airy linear wave, stokes second order wave,Stokes fifth order wave made numerical wave maker,analyzed the wave elevation and wave load characteristics of three kinds of wave theory simulations,based on this made the calculation wave processes in bridge tower finite element model,researched the dynamic response characteristics of bridge tower during construction stage.