不中断交通的梁式桥梁试验与状态评估技术

英文篇名：Experiment and Condition Assessment Technology for Beam Bridge without Interrupted Traffic
中文刊名：现代交通技术
英文刊名：Modern Transportation Technology
作者：伍育钧 ; 张宇峰 ; 张令弥 ; 郑岗
英文作者：Wu Yujun1 ; Zhang Yufeng2 ; 3 ; Zhang Lingmi4 ; Zheng Gang1 (1.Jiangsu Husuzhe Expressway Co. ; Ltd. ; Wujiang 215214 ; China ; 2.Key Laboratory of Long-span Bridge Health Detection and Diagnostic Technology Ministry of Communications ; Jiangsu Transportation Research Institute ; Nanjing 210017 ; China ; 3.Jiangsu Highway Bridge Research Center of Engineering Technology ; Nanjing 210096 ; China ; 4.Nanjing University of Aeronautics and Astronautics ; Nanjing 210016 ; China)
中文关键词：桥梁工程 ; 状态评估 ; 模态柔度法 ; 不中断交通
英文关键词：bridge engineering ; condition assessment ; mode flexibility method ; uninterrupted traffic
出版日期：2012-06-26
机构：江苏沪苏浙高速公路有限公司;江苏省交通科学研究院长大桥梁健康检测与诊断技术交通行业重点实验室;江苏省公路桥梁工程技术研究中心;南京航空航天大学;
年：2012
期：03
出版单位：现代交通技术

摘要

在不中断交通的条件下建立了运行试验模态分析的模态挠度法。该方法以挠度作为评价桥梁结构承载力的指标,利用来往车辆的激励响应测量数据获得桥梁结构的交通激励试验模态参数,推算出桥梁结构的静挠度,从而评定桥梁结构的承载力。实桥测试表明,该方法可用于桥梁承载力和使用状况评估。
The mode flexibility method was built by running the experimental modal analysis under the condition of uninterrupted traffic. The method took the deflection as the indicator of bearing capacity of bridge structure,the bridge modal parameters could be discerned by analyzing the responding signal excited by traveling vehicles,and then the deflection was worked out to estimate the condition of bridge. In the end,the method was verified by a real bridge test.

引文

[1]高怀志,王君杰.桥梁检测和状态评估研究与应用[J].世界地震工程,2000,16(2):57-64.
    [2]连启滨,杨玮,冯江.不中断交通的桥梁试验方法初探[J].公路交通技术,2005(S1):88-91.
    [3]周枚,贺拴海,宋一凡.基于挠度试验的梁式结构评估[J].长安大学学报,2004,24(5):40-47.
    [4]崔飞,袁万城,史家钧.基于静态应变及位移测量的结构损伤识别法[J].同济大学学报,2000,28(1):5-8.
    [5]王彤,张令弥.运行模态分析的频域空间域分解法及其应用.航空学报,2006,27(1):62-66.
    [6]Q W Zhang,C C Chang,T Y P Chang.Finite Element Model Updating for Structures with Parametric Constraints[J].Earthquake Engineering and Structural Dynamics,2000,(29):927-944.