Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion

Sung Jig Kim; Curtis J. Holub; AmrS. Elnashai

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Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion

机译：水平和垂直地震作用下钢筋混凝土桥墩行为的试验研究

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This paper presents an experimental program aimed at assessing the effect of vertical earthquake ground motion on reinforced concrete bridge piers. The program comprised testing of four large scale piers by utilizing the Multi-Axial Full-Scale Sub-Structured Testing and Simulation (MUST-SIM) facility at the University of Illinois. Two hybrid analytical-experimental simulations were used to experimentally investigate the effects of vertical ground motion on pier loading and behavior. Two additional cyclic tests were conducted to allow direct comparison of pier response under tension to pier response under compression. Detail aspects of the experimental framework including a substructuring scheme, analytical representation of structure, test specimen design and advanced measurement system are provided. The observations and interpretation of experimental results, including the impact on both global and local behavior, are discussed. It is concluded that vertical ground motion can significantly impact Reinforced Concrete (RC) pier behavior and failure mode.

机译：本文提出了一个旨在评估竖向地震地震动对钢筋混凝土桥墩的影响的实验程序。该计划包括利用伊利诺伊大学的多轴全尺寸子结构化测试和模拟（MUST-SIM）设备对四个大型墩进行测试。两个混合的分析-实验模拟被用来实验研究竖向地面运动对码头荷载和行为的影响。进行了两个附加的循环测试，以直接比较拉伸下的墩响应与压缩下的墩响应。提供了实验框架的详细方面，包括子结构方案，结构的分析表示，试样设计和先进的测量系统。讨论了对实验结果的观察和解释，包括对整体和局部行为的影响。结论是，竖向地面运动会显着影响钢筋混凝土（RC）墩的行为和破坏模式。

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来源
《Engineering Structures》 |2011年第7期|p.2221-2235|共15页
作者
Sung Jig Kim; Curtis J. Holub; AmrS. Elnashai;
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作者单位

University of Connecticut, 261 Glenbrook Road, Unit 2037, Storrs, CT, 06269, USA;

University of Illinois at Urbana-Champaign, 205 North Mathews. Urbana, 1L, 61801 USA;

University of Illinois at Urbana-Champaign, 205 North Mathews. Urbana, 1L, 61801 USA,William J. and Elaine F. Hall Endowed Professor in Civil and Environmental Engineering;

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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 eng
中图分类
关键词
vertical ground motion; hybrid simulation; bridge pier; shear strength;

机译：垂直地震动;混合动力模拟;桥墩;抗剪强度;

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1. Real-time hybrid simulation for an RC bridge pier subjected to both horizontal and vertical ground motions [J] . Chae Yunbyeong, Lee Jinhaeng, Park Minseok, Earthquake Engineering & Structural Dynamics . 2018,第7期

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Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion

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