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| Damage assessment of a continuous beam bridge based on the strain mode | |
| 引用本文： | 杜思义. Damage assessment of a continuous beam bridge based on the strain mode[J]. 重庆大学学报(英文版), 2003, 2(2) |
| 作者姓名： | 杜思义 |
| 作者单位： | DU Siyi 1，2，YIN Xuegang 1，CHEN Huai 2 1College of Resources and Environmental Science，Chongqing University，Chongqing 400044，P.R. China 2School of Civil Engineering，Zhengzhou University，Zhengzhou 450002，P.R. China Received 23 April 2003; revised 25 November 2003 |
| 摘 要： | 1. Introduction In the structural damage identification, the confirmation of parameters sensitive to damage is the foremost, namely to decide what parameters are to be adopted, the next is to distinguish damaged from undamaged, and to determine the position and severity of damages. For local damage, an identifying parameter should be a local quantity and accord the following 4 basic conditions: 1) it is sensitive to local damages and is a monotone function depicting the severity of structural … |
Damage assessment of a continuous beam bridge based on the strain mode |
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| DU Siyi,YIN Xuegang,CHEN Huai College of Resources and Environmental Science,Chongqing University,Chongqing,P.R. China School of Civil Engineering,Zhengzhou University,Zhengzhou,P.R. China Received April,revised Novemb. Damage assessment of a continuous beam bridge based on the strain mode[J]. Journal of Chongqing University(English Edition), 2003, 2(2) | |
| Authors: | DU Siyi YIN Xuegang CHEN Huai College of Resources Environmental Science Chongqing University Chongqing P.R. China School of Civil Engineering Zhengzhou University Zhengzhou P.R. China Received April revised Novemb |
| Affiliation: | 1. College of Resources and Environmental Science, Chongqing University, Chongqing 400044, P.R.China;School of Civil Engineering, Zhengzhou University, Zhengzhou 450002, P.R.China 2. College of Resources and Environmental Science, Chongqing University, Chongqing 400044, P.R.China 3. School of Civil Engineering, Zhengzhou University, Zhengzhou 450002, P.R.China |
| Abstract: | Based on the method of strain mode, damage identification of continuous beam bridges by comparing the variance of several curves of strain modes difference is studied. Three cases of numerical simulation demonstrate that the proposed method is applicable to detecting many a damage in a continuous beam bridge, which accurately identifies the damaged positions of the bridge, and detects the damage severity of an element by its according peak value of the curve of strain modes difference that is found to increase with the increasing damage severity. |
| Keywords: | continuous beam bridge damage detect strain mode |
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