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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Seismic Response Analysis of Reinforced Concrete Wall Structure Using Macro Model
Author(s): Dong-Kwan Kim
Appears on pages(s): 99–112
Keywords: nonlinear analysis, macro model, cyclic loads, earthquake loads, structural wall, reinforced concrete
Abstract:During earthquake, reinforced concrete walls show complicated post-yield behavior varying with shear span-to-depthratio, re-bar detail, and loading condition. In the present study, a macro-model for the nonlinear analysis of multi-story wallstructures was developed. To conveniently describe the coupled flexure-compression and shear responses, a reinforced concretewall was idealized with longitudinal and diagonal uniaxial elements. Simplified cyclic material models were used to describe thecyclic behavior of concrete and re-bars. For verification, the proposed method was applied to various existing test specimens ofisolated and coupled walls. The results showed that the predictions agreed well with the test results including the load-carryingcapacity, deformation capacity, and failure mode. Further the proposed model was applied to an existing wall structure tested on ashaking table. Three-dimensional nonlinear time history analyses using the proposed model were performed for the test specimen. The time history responses of the proposed method agreed with the test results including the lateral displacements and base shear
IJCSM, International Partner Access.
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