DYNAMIC RESPONSE ANALYSIS OF NEAR-FAULT EFFECTS OF RIGID-FRAMED BRIDGES BASED ON SHAKING TABLE TESTS

YAN Xiaoyu; ZHAO Zhuo; WANG Zhuo

doi:10.13204/j.gyjzG20070717

Volume 51 Issue 1

Apr. 2021

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YAN Xiaoyu, ZHAO Zhuo, WANG Zhuo. DYNAMIC RESPONSE ANALYSIS OF NEAR-FAULT EFFECTS OF RIGID-FRAMED BRIDGES BASED ON SHAKING TABLE TESTS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(1): 81-85. doi: 10.13204/j.gyjzG20070717

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DYNAMIC RESPONSE ANALYSIS OF NEAR-FAULT EFFECTS OF RIGID-FRAMED BRIDGES BASED ON SHAKING TABLE TESTS

doi: 10.13204/j.gyjzG20070717

1. School of Engineering, the Open University of China, Beijing 100039, China;
2. Key Laboratory of Coast Civil Structure Safety of China Ministry of Education, Tianjin University, Tianjin 300072, China;
3. Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing 100124, China

Received Date: 2020-07-07
Available Online: 2021-04-30

Abstract

Abstract

A shaking tables test considering multi-support excitation was conducted on the 1∶10 scale three-span rigid-framed bridge. Taking the results of the test as a base, the finite element model of the bridge was established. Ten typical near-fault ground motions were selected for analysis. Then, the comparative analysis of the dynamic responses between the far-field ground motions and near-fault ground motions was completed. The research showed that the spatial effect of ground motion was unfavorable to the deformation and stress of piers, and its influence was closely related to the constraint forms of piers and girders and the wave velocity. Compared with the far-field ground motion, the a_PGV/a_PGA of the near-fault ground motion was larger. Considering the near-fault effect, the deformation and stress of the piers increased, and the mid-span bending moment and horizontal displacement of the main girders also increased. Therefore, near-fault effect and ground motion spatial effect should be considered in seismic design to make the analysis results more accurate.
- rigid-framed bridge,
- multi-support excitation,
- shaking table test,
- dynamic response,
- near-fault ground motion

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References

BONGANOFF J L, GOLDBERG J E, SCHIFF A J. The Effect of Ground Transmission Time on the Response of Long Structures[J]. Bulletin of the Seismological Society of America, 1965, 55(3):627-640.

陈彦江,郝朝伟,闫维明.考虑行波效应的高墩刚构桥地震易损性分析[J].世界地震工程,2016,32(3):179-184.

李杰,陈淮,王艳.双薄壁高墩曲线连续刚构桥地震响应分析[J].世界地震工程,2012,28(4):36-43.

洪浩,郑史雄,贾宏宇,等.考虑行波效应的高墩大跨刚构桥随机地震动响应研究[J].世界地震工程,2013,29(2):54-60.

陈志伟,蒲黔辉,李晰,等.行波效应对大跨连续刚构桥易损性影响分析[J].西南交通大学学报,2017,52(1):23-59.

HAN Q,DU X,LIU J,et al. Seismic Damage of Highway Bridges During the 2008 Wenchuan Earthquake[J]. Earthquake Engineering and Engineering Vibration,2009,8(2):262-273.

BERTER V V,MAHIN S A,HERRERA R A. A Seismic Design Implications of Near-Fault San-Fernando Earthquake Records[J]. Earthquake Engineering & Structural Dynamics,1978,6(1):31-42.

JALALI R S, BAHARI J M, TRIFUNAC M D. Earthquake Response of a Three-Span, Simply Supported Bridge to Near-Field Pulse and Permanent-Displacement Step[J]. Soil Dynamics and Earthquake Engineering, 2012, 43:380-397.

李宁,李忠献,李杨. 近断层地震动作用下桥梁结构易损性曲面分析[J]. 地震工程与工程振动,2014,34(增刊1):307-312.

翟长海,张林春,李爽,等.近场地震动对大跨刚构桥影的分析[J].防灾减灾工程学报,2010(增刊1):143-147.

ISMAIL M, CASAS J R, RODELLAR J. Near-Fault Isolation of Cable-Stayed Bridges Using RNC Isolator[J]. Engineering Structures, 2013, 56:327-342.

KARALAR M,PADGETT J E,DICLELI M. Parametric Analysis of Optimum Isolator Properties for Bridges Susceptible to Near-Fault Ground Motions[J]. Engineering Structures,2012, 40:276-287.

屈铁军,王君杰,王前信. 空间变化的地震动功率谱的实用模型[J]. 地震学报, 1996,18(1):55-62.

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