Damage Identification of Hinged Joints of Prefabricated Slab Bridges Based on Transient Dynamics Analysis

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (1): 1-3.

Damage Identification of Hinged Joints of Prefabricated Slab Bridges Based on Transient Dynamics Analysis

ZOU Yi-song¹，YUAN Bo-bo¹，WANG Yin-hui²，CHEN Chuang³

1. School of Civil Engineering ＆ Architecture，Chongqing Jiaotong University，Chongqing 400074，China; 2. Ningbo Institute of Technology，Zhejiang University，Ningbo 315100，Zhejiang，China; 3. Harbin University of Technology，Harbin 150090，Heilongjiang，China

Received:2010-10-20 Revised:2010-11-29 Online:2011-02-15 Published:2015-01-22

基于瞬态动力分析的装配式板桥铰缝损伤识别

邹毅松¹，袁波波¹，王银辉²，陈闯³

1.重庆交通大学土木建筑学院，重庆 400074; 2.浙江大学宁波理工学院，浙江宁波 315100; 3.哈尔滨工业大学，黑龙江哈尔滨 150090

作者简介:邹毅松( 1957—) ，男，贵州余庆人，副教授，硕士，主要从事桥梁设计理论方面的研究。E-mail: zys200595@ yahoo.com.cn。
基金资助:
宁波市2008 年交通科技计划项目( 200805)

Abstract

Abstract: Hinged joint is the essential component of prefabricated slab bridge which transfers load from one slab to other slabs． Based on this role，many transient dynamic analyses about prefabricated slab bridge models with several extent damaged of hinged joint and different position of dynamic load are simulated by FEM method numerically． The transient acceleration amplitudes of every slab are analyzed and compared． It is suggested that the difference values of acceleration amplitude ratios of several impact tests could be used to identify the damage extent and position of hinged joint． The feasibility and practicability of this method is demonstrated．

Key words: prefabricated slab bridge, hinged joint, transient dynamic, damage identification

摘要： 根据铰缝在装配式板桥传递荷载的作用，通过数值计算方法模拟了装配式板桥在铰缝损伤后的瞬态动力学响应，比较分析了不同损伤程度、不同动荷载加载位置下各板跨中加速度幅值，提出利用多次冲击实验下各板加速度幅值比之差值作为铰缝损伤的评定依据的识别方法，并分析了这种方法的可行性。

关键词: 装配式板桥, 铰缝, 瞬态动力学, 损伤识别

CLC Number:

U446

ZOU Yi-song，YUAN Bo-bo，WANG Yin-hui，CHEN Chuang. Damage Identification of Hinged Joints of Prefabricated Slab Bridges Based on Transient Dynamics Analysis[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(1): 1-3.

邹毅松，袁波波，王银辉，陈闯. 基于瞬态动力分析的装配式板桥铰缝损伤识别[J]. 重庆交通大学学报（自然科学版）, 2011, 30(1): 1-3.

References

［1］甄伟超．高速公路桥涵单板受力形成原因及防治措施［J］．交通标准化，2004，131(7):64－66．
ZHEN Wei－chao．Strengthen reason by single plank of bridge culvertin expressway and prevention measure ［J］．CommunicationsStandardization，2004，131(7):64－66．
［2］黄民水，朱宏平．空心板梁桥“单板受力”病害机理及其加固处治研究［J］．华中科技大学学报: 自然科学版，2008，36 (2):118－121．
HUANG Min－shui，ZHU Hong－ping．Study on mechanism andreinforcement processing of single slab bearing disease of hollowcore slab beam bridge［J］．Journal of Huazhong University of Scienceand technology: Natural Science，2008，36(2):118－121．
［3］王砚桐．高等级公路中“单板受力”现象及原因分析［J］．公路交通技术，2004(4):29－32．
WANG Yan－tong．Phenomenon of“Single Beam Bearing”in high－grade highways and analysis of its reasons［J］．Technology ofHighway and Transport，2004(4):29－32．
［4］赵曼，王新敏，赵雅克．板梁桥“单板受力”的数值分析［J］．中国安全科学学报，2004，14(1l):25－29．
ZHAO Man，WANG Xin－min，ZHAO Ya－ke．Numerical analysison“Single Plate Bearing”of plate girder bridge ［J］．ChinaSafety Science Journal，2004，14(11):25－29．
［5］窦勇芝，王复明，蔡迎春．基于信赖域算法的板梁桥横向连接刚度的参数识别［J］．结构工程师，2006，22(6):25－29．
DOU Yong－zhi，WANG Fu－ming，CAI Ying－chun．Parameteridentification of transverse coupling stiffness for plate girder bridgesbased on trust region algorithm［J］．Structural Engineers，2006，22 (6):25－29．
［6］赵勇．中小跨径桥梁单板受力成因及预防［J］．交通标准化，2010(16):89－90．
ZHAO Yong．Causes and precaution of small span bridge veneerstress［J］．Communications Standardi zation ，2010(16):89－90．
［7］单德山，李乔，王玉珏．既有多梁式桥梁的损伤识别［J］．重庆交通大学学报: 自然科学版，2008，27(1):5－8，16．
SHAN De－shan，LI Qiao，WANG Yu－jue．Damage identificationof existed multi－girders highway bridges ［J］．Journal ofChongqing Jiaotong University: Natural Science，2008，27(1):5－8，16．
［8］谢峻，韩大建．钢筋混凝土简支T 型梁桥损伤识别的数值模拟［J］．中国公路学报，2004，17(4):45－49．
XIE Jun，HAN Da－jian．Numerical simulation of damage detectionfor simple－supported reinforced concrete T－beam bridge［J］．China Journal of Highway and Transport，2004，17(4):45－49．

[1]	TANG Qizhi1, XIN Jingzhou1,2, ZHOU Jianting1, FU Lei1,3, ZHANG Jun4. Damage Identification of Corroded RC Arch Based on Time Series Analysis:Simulation and Verification [J]. Journal of Chongqing Jiaotong University(Natural Science), 2021, 40(02): 69-77.
[2]	ZHANG Xiaoyan, WANG Fuzi, YU Hui, WU Jie, TANG Liang. Damage Detection Method of Bridge Model Based on Curvature Variation of Bridge Deck [J]. Journal of Chongqing Jiaotong University(Natural Science), 2019, 38(10): 33-40.
[3]	ZHANG Hao1 , HAN Naijie2, LIU Kai2, ZHONG Zhixin2. Research on Micro-damage Identification of Beam Structure Based on Distributed Macro-strain Measurement [J]. Journal of Chongqing Jiaotong University(Natural Science), 2018, 37(11): 15-20.
[4]	CHEN Dongjun1, 3, LI Tianhua2, PENG Kai3, ZHANG Kejia2, LIN Jieqiong3, BAI Wenying2. Bridge Structure Damage Identification Based on the Damage Performance Function [J]. Journal of Chongqing Jiaotong University(Natural Science), 2018, 37(10): 1-7.
[5]	Zhang Xiaodong. Damage Identification method of Beam Structures Based on Frequency Variation and Genetic Algorithm [J]. Journal of Chongqing Jiaotong University(Natural Science), 2014, 33(4): 7-11.
[6]	Han Xi,Li Qing-da,Zhong Li,Yang Ke. Study on Two-Dimensional Damage Identification of T-Beam Based on Gaussian Curvature Mode Difference [J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(4): 747-750.
[7]	LI Liusheng, LI Xiaoyu. Structural Integrated State Evaluation Based on Incomplete Frequency Response Function [J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(2): 330-333.
[8]	SHAN De-shan, LIQiao, ZHANG Ji-gang. Application?of?Monte-Carlo?Method?to?Bridge?Damage?Identification [J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(5): 844-847.