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Development of a lattice model for predicting nonlinear torsional behavior of RC beams

Authors
Jeong, YeongseokKwon, MinhoKim, Jinsup
Issue Date
25-Sep-2021
Publisher
TECHNO-PRESS
Keywords
non-linear analysis; three-dimensional lattice model; torsional analysis
Citation
STRUCTURAL ENGINEERING AND MECHANICS, v.79, no.6, pp 779 - 789
Pages
11
Indexed
SCIE
SCOPUS
KCICANDI
Journal Title
STRUCTURAL ENGINEERING AND MECHANICS
Volume
79
Number
6
Start Page
779
End Page
789
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/3244
DOI
10.12989/sem.2021.79.6.779
ISSN
1225-4568
1598-6217
Abstract
Seismic design criteria based on performance of structures have recently been adopted by practicing engineers in response to destructive earthquakes. A simple but efficient structural-analysis tool capable of predicting both strength and ductility is needed to analyze reinforced concrete (RC) structures subjected to such events. Hence, a three-dimensional lattice model is developed in this study to analyze torsions in high-strength RC beams. Optimization techniques for determining optimal variables in each lattice model are introduced. Pure torsion tests of RC beams were performed to use to propose a three-dimensional lattice model. The experimental test results of pure torsion on RC beam specimens were used to compare with numerical results obtained using the proposed model. Then, the proposed model was also compared to 3D solid model in commercial finite element analysis program, ABAQUS. Correlation studies between the numerical and experimental results confirm that the proposed model is well capable of representing salient features of the experimental results. Furthermore, the proposed model provides better predicted displacement corresponding to peak load. than the result from ABAQUS.
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공과대학 > Department of Civil Engineering > Journal Articles

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공과대학 (토목공학과)
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