|本期目录/Table of Contents|

[1]王艺霖,刘西拉,方从启.桥梁损伤定位的差分曲率差值指标[J].建筑科学与工程学报,2012,29(03):68-72.
 WANG Yi-lin,LIU Xi-la,FANG Cong-qi.Damage Localization in Bridges Using Differential Curvature Difference Indicator[J].Journal of Architecture and Civil Engineering,2012,29(03):68-72.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
29卷
期数:
2012年03期
页码:
68-72
栏目:
出版日期:
2012-09-30

文章信息/Info

Title:
Damage Localization in Bridges Using Differential Curvature Difference Indicator
作者:
王艺霖1,刘西拉2,方从启2
1. 山东建筑大学 土木工程学院,山东 济南 250101; 2. 上海交通大学 土木工程系,上海 200240
Author(s):
WANG Yi-lin1, LIU Xi-la2, FANG Cong-qi2
1. School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, China; 2. Department of Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China
关键词:
桥梁 损伤 定位 差分曲率 位移 自振频率 鲁棒性
Keywords:
bridge damage localization differential curvature displacement self-vibration frequency robustness
分类号:
U448.34
DOI:
-
文献标志码:
A
摘要:
深入研究了差分曲率差值指标在桥梁损伤定位中的应用; 在进行清晰、完整的理论分析之后,对该指标提出了一个详细实用的应用流程,并研究了测点布置的优化问题; 通过1个斜拉桥算例验证了差分曲率差值用于桥梁多处损伤定位的有效性并与模态方法进行了对比; 最后,为了提高该方法在实际应用时的鲁棒性,给出了若干具体的建议措施。结果表明:该方法具有一定的优越性。
Abstract:
Authors deeply investigated the application of differential curvature difference indicator in damage localization of bridges. Based on the foundational theory analysis, the practical and detailed application method of this indicator was proposed. The effectiveness of differential curvature difference was verified in multiple damage localizations of bridges by a cable-stayed bridge example. The comparative advantage with respect to the previous mode method was assessed. Finally, some valuable suggestions for improving its robustness were also proposed. Results show that the method has certain advantages.

参考文献/References:

[1] PANDEY A K,BISWAS M,SAMMAN M M.Damage Detection from Changes in Curvature Mode Shapes[J].Journal of Sound and Vibration,1991,145(2):321-332.
[2]WAHAB M M A,ROECK G D.Damage Detection in Bridges Using Modal Curvatures:Application to a Real Damage Scenario[J].Journal of Sound and Vibration,1999,226(2):217-235.
[3]RATCLIFFE C P,BAGARIA W J.Vibration Technique for Locating Delamination in a Composite Beam[J].AIAA Journal,1998,36(6):1074-1077.
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[6]TOMASZEWSKA A. Influence of Statistical Errors on Damage Detection Based on Structural Flexibility and Mode Shape Curvature[J].Computers and Structures,2010,88(3/4):154-164.
[7]CHANDRASHEKHAR M,GANGULI R.Damage Assessment of Structures with Uncertainty by Using Mode-shape Curvatures and Fuzzy Logic[J].Journal of Sound and Vibration,2009,326(3/5):939-957.
[8]REYNDERS E,DE ROECK G,BAKIR P G,et al. Damage Identification on the Tilff Bridge by Vibration Monitoring Using Optical Fiber Strain Sensors[J].Journal of Engineering Mechanics,2007,133(2):185-193.
[9]SANAYEI M,ONIPEDE O.Damage Assessment of Structures Using Static Test Data[J].AIAA Journal,1991,29(7):1156-1179.
[10]BANNA M R,HJELMSTAD K D. Parameter Estimation of Structures from Static Response.Ⅰ:Computational Aspects[J].Journal of Structural Engineering,1994,120(11):3243-3283.

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备注/Memo

备注/Memo:
收稿日期:2012-01-04
基金项目:国家重点基础研究发展计划(“九七三”计划)项目(2002CB412709)
作者简介:王艺霖(1981-),男,河南项城人,讲师,工学博士,E-mail:xgwang_wang@163.com。
更新日期/Last Update: 2012-09-20