斜拉桥健康监测演示试验模型的设计与制作  

Design and Fabrication of a Scaled Cable-Stayed Bridge Demonstrative Model for SHM Purpose

作　　者：夏烨[1] 简旭东 钱昆 孙利民[1,3] 

机构地区：[1]同济大学桥梁工程系,上海 [2]加州大学伯克利分校土木工程系,伯克利,加利福利亚,美国 [3]同济大学土木工程防灾国家重点实验室,上海

出　　处：《土木工程》2019年第2期244-252,共9页Hans Journal of Civil Engineering

基　　金：国家重点研发计划(2018YFC0809606);上海市科委(18DZ1201200)的资助.

摘　　要：本文总结了用于结构健康监测研究的缩尺斜拉桥模型的设计逻辑和制作过程,详细描述了其关键点与难点,包括模型主要部件的制作、构件连接方式、斜拉索等效模拟以及损伤模拟的实现方法,并对比可选方案。最后,利用监测系统对制作完成的缩尺模型进行了动力测试,模型动力性能与设计预期吻合良好。This paper summarized the design logic and fabrication process of a cable-stayed bridge structure model for bridge health monitoring,and the final design scheme is presented.Afterwards,key points and difficulty of fabrication were analyzed,which includes the production of main compo-nents,connection method,simulation of cable,and damage simulation method.Finally,the struc-tural properties of the model were tested by experiments,and the results were found to be in good agreement with the finite element model.

关 键 词：斜拉桥 结构健康监测 缩尺模型 设计和制作 闵浦大桥 

分 类 号：U4[交通运输工程—道路与铁道工程]