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http://dx.doi.org/10.5000/EESK.2017.21.6.303

Calibration of Parameters for Predicting Hysteretic Behavior of Diagonally Reinforced Concrete Coupling Beams  

Koh, Hyeyoung (Department of Architecture, Hanyang University)
Han, Sang Whan (Department of Architecture, Hanyang University)
Heo, Chang Dae (Department of Architecture, Hanyang University)
Lee, Chang Seok (Department of Architecture, Hanyang University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.21, no.6, 2017 , pp. 303-310 More about this Journal
Abstract
The coupled shear wall system with coupling beams is an efficient structural system for high-rise buildings because it can provide excellent ductility and energy dissipation to the buildings. The objective of this study is to simulate the hysteretic behavior of diagonally reinforced concrete coupling beams including pinching and cyclic deteriorations in strength and stiffness using a numerical model. For this purpose, coupling beams are modeled with an elastic beam element and plastic spring element placed at the beam ends. Parameters for the analytical model was calibrated based on the test results of 6 specimens for diagonally reinforced concrete coupling beams. The analytical model with calibrated model parameters is verified by comparing the hysteretic curves obtained from analysis and experimental tests.
Keywords
Diagonal reinforcement; Coupling beam; Cyclic deterioration; Pinching; Parameters; Calibration;
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