Field test and numerical simulation of a full-scale RC pier under multiple lateral impacts

Chen L.; Fang L.; Liu T.Fan W.Wu H.

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Field test and numerical simulation of a full-scale RC pier under multiple lateral impacts

机译：Field test and numerical simulation of a full-scale RC pier under multiple lateral impacts

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? 2022 Elsevier LtdIn recent years, the frequent occurrence of vehicle-pier collision accidents have highlighted the necessity of the research on the impact resistance of bridge piers; but until now, most of the studies employed numerical simulations or indoor reduced-scale tests, while the collision tests regarding full-scale reinforced concrete (RC) piers with actual foundations are still scarce. In order to obtain the most realistic impact responses and damage characteristics of RC pier, six successive lateral impact tests on a full-scale RC single-column pier with a monopile foundation were conducted in this study based on a self-designed large-size slide device and a rigid model vehicle. The mass of the model vehicle was 2205 kg and the impact velocity ranged from 3.17 m/s to 8.22 m/s. The tests obtained valuable test data such as vehicular impact forces, and lateral displacements, accelerations and damage pattern of the RC pier under all the six collision trials. Furthermore, finite element (FE) simulations were also performed and validated against the test results, where several problems of the commonly-used FE simulation techniques are revealed. In addition, the influences of multiple (successive) impacts on the impact forces and dynamic behavior of the pier are also discussed in this paper. This study provides valuable experimental data for the current research on RC piers subjected to vehicle collisions, and also references for the numerical simulations and theoretical analysis of RC columns under multiple lateral impacts.

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《Engineering structures》 |2022年第1期|1-11|共11页
作者
Chen L.; Fang L.; Liu T.Fan W.Wu H.;
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作者单位

School of Civil Engineering Hunan University of Science and Technology;

Key Laboratory for Wind and Bridge Engineering of Hunan Province College of Civil Engineering Hunan University;

Department of Disaster Mitigation for Structures College of Civil Engineering Tongji University;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Bridge piers; Full-scale; Impact tests; Numerical simulation; Vehicle collision;

Field test and numerical simulation of a full-scale RC pier under multiple lateral impacts

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