华中科技大学学报（自然科学版）2017，Vol.45Issue(6)：120-127,8.DOI:10.13245/j.hust.170623
大跨度斜拉桥多尺度有限元模型及其修正
Multi-scale finite element modeling and model updating of long span cable-stayed bridge
摘要
Abstract
The basic framework and method for the establishment of the multi-scale finite element model of long-span bridges were presented.Firstly, an initial model was established with the aids of the sub-structure technique according to design drawings of bridge, and then, a multi-scale model updating method was developed by using the multi-scale index constructed by the frequency, displacement and strain data, which were measured by the health monitoring system of the bridge.By using this updating method, a multi-scale baseline FEM of bridge was obtained, and the validity and practicability of which were investigated through the comparison between the measured data and the observations.关键词
大跨度桥梁/位移响应/模型修正/多尺度/构件应力Key words
long span bridge/displacement response/model updating/multi-scale/member stress分类
交通工程引用本文复制引用
肖祥,鄢宇,何佳,陈波..大跨度斜拉桥多尺度有限元模型及其修正[J].华中科技大学学报（自然科学版）,2017,45(6):120-127,8.基金项目
国家自然科学基金资助项目 (51178366) （51178366）
湖北省自然科学基金杰出青年基金资助项目 (2014CFA026) （2014CFA026）
中央高校基本科研业务费专项资金资助项目 (20171124GX). （20171124GX）
