Seismic performance assessment of reinforced concrete wall piers for out-of-plane seismic loads

Published on May 4, 2021in Magazine of Concrete Research2.088
· DOI :10.1680/JMACR.20.00405
Tae Hoon Kim38
Estimated H-index: 38
,
Ki-Young Eum
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Abstract
The purpose of this study is to assess the seismic performance of reinforced concrete wall piers for out-of-plane seismic loads, and to provide a method for developing a new evaluation procedure. A...
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The aim of this study was to assess the performance of hollow reinforced concrete (RC) bridge columns with triangular reinforcement details for materials quantity reduction and to provide data for developing improved design criteria. Hollow column sections are designed based on the economic considerations of the cost savings associated with reduced materials and design moments compared with increased construction complexity and hence increased labour costs. The proposed triangular reinforcement ...
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The purpose of this study is to investigate the seismic performance of reinforced concrete bridge columns that have lap splices in the plastic hinge region when subjected to impulsive near-fault ground motions. For this purpose, the paper presents the results of shaking table tests on four reinforced concrete bridge columns. By using a sophisticated non-linear finite-element analysis program, the accuracy and objectivity of the assessment process can be enhanced. A computer program, the RCAHEST ...
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A procedure is presented for assessment of the performance of reinforced concrete bridge columns. Fourteen circular reinforced concrete bridge columns were tested under a constant axial load and a cyclically reversed horizontal load. A computer program, named RCAHEST (reinforced concrete analysis in higher evaluation system technology), was used to analyze these reinforced concrete structures. A damage index based on the predicted hysteretic behavior of a reinforced concrete bridge column was us...
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Abstract Pushover analyses were conducted to assess the seismic vulnerability of wall pier supported highway bridges on southern Illinois priority emergency routes. Three-dimensional finite element models were developed to reflect typical hammerhead and regular wall pier bridges from a random sample of the bridge inventory. The models incorporated expected nonlinear structural and material behavior of all the bridge components—superstructure, expansion joints, approach embankments and/or abutmen...
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This paper presents a nonlinear finite element analysis procedure for the seismic damage assessment of reinforced concrete bridge columns. A computer program, named RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), for the analysis of reinforced concrete structures was used. A damage index based on the predicted hysteretic behavior of a reinforced concrete bridge column is defined. Damage indices aim to provide a means of quantifying numerically the damage in reinfor...
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Analytical models for the inelastic behavior and ductility capacity of reinforced concrete bridge piers under earthquake are presented. The models for material nonlinearity include tensile, compressive, and shear models for cracked concrete and a model of reinforcing steel where the smeared crack approach is incorporated. An interface element is used to account for local discontinuous deformations at the boundary plane caused by abrupt changes in stiffness where members with different thicknesse...
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Representative bridge pier walls that can be found throughout the United States were the focus of an experimental study on the evaluation of out of plane seismic behavior. Seven pier wall specimens were tested and failure was due to either compression of concrete or fracture of vertical reinforcing bars. A model to determine the seismic response of bridge pier walls was developed and calibrated and demonstrated agreement with the experimental results.
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