Seismic Performance Assessment of Deteriorated Two-Span Reinforced Concrete Bridges

被引：0
|
作者：
Tae-Hoon Kim
机构：
[1] Korea Railroad Research Institute,Advanced Railroad Civil Engineering Division
来源：
International Journal of Concrete Structures and Materials | 2022年 / 16卷
关键词：
deteriorated; reinforced concrete; bridge; seismic performance; modified damage index;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents a nonlinear analysis procedure for the seismic performance assessment of deteriorated reinforced concrete bridges using a modified damage index. A finite-element analysis program, RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), is used to analyze deteriorated two-span simply supported reinforced concrete bridges. The new nonlinear material models for deteriorated reinforced concrete behaviors were proposed, considering corrosion effects as shown in a reduction in reinforcement section and bond strength. A modified damage index aims to quantify the seismic performance level in deteriorated reinforced concrete bridges. Several parameters of two-span simply supported deteriorated reinforced concrete bridge have been studied to determine the seismic performance levels. The newly developed analytical method for assessing the seismic performance of deteriorated reinforced concrete bridges is verified by comparison with the experimental and analytical parameter results.
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