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Truss Model for Nonlinear Analysis of RC Members Subject to Cyclic Loading

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Authors
Park, Honggun; Eom, Taesung
Issue Date
2007-10
Publisher
American Society of Civil Engineers (ASCE)
Citation
J. Struct. Engrg. 133(10), 1351-1363
Keywords
Nonlinear analysisStrutsTiesCyclic loadsConcreteReinforced
Abstract
The nonlinear finite-element analysis of RC members subjected to cyclic loading requires complicated modeling and analytical
techniques. In the present study, a simplified nonlinear analytical method using a truss model was developed. In the nonlinear truss model,
a RC member was idealized by longitudinal, transverse, and diagonal truss elements. Each element was modeled as a composite element
of the concrete and the reinforcing bar. Cyclic stress–strain relationships were developed in order to describe the nonlinear behavior of the
composite concrete and reinforcing-bar elements. The nonlinear truss model was applied to existing test specimens with various
reinforcing-bar layouts under various loading conditions. The results predicted by the nonlinear truss model were compared with the test
results. The comparison revealed that the nonlinear truss model predicted the load-carrying capacity and energy dissipation of the test
specimens with reasonable precision. However, to estimate the deformation capacity of the specimens, the compression softening of
concrete struts and the buckling and fracture of the reinforcing bar must be predicted more accurately.
ISSN
0733-9445
Language
English
URI
http://hdl.handle.net/10371/7294
DOI
https://doi.org/10.1061/(ASCE)0733-9445(2007)133:10(1351)
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Architecture and Architectural Engineering (건축학과)Journal Papers (저널논문_건축학과)
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