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http://dx.doi.org/10.12989/eas.2021.21.6.653

Experimental study on lateral behavior of precast wide beam-column joints  

Kim, Jae Hyun (Department of Architectural Engineering, University of Seoul)
Jang, Beom Soo (Department of Structural Design, Dream Structural Engineering Co.)
Choi, Seung-Ho (Department of Architectural Engineering, University of Seoul)
Lee, Yoon Jung (Department of Architectural Engineering and the Smart City Interdisciplinary Major Program, University of Seoul)
Jeong, Ho Seong (Department of Architectural Engineering and the Smart City Interdisciplinary Major Program, University of Seoul)
Kim, Kang Su (Department of Architectural Engineering and the Smart City Interdisciplinary Major Program, University of Seoul)
Publication Information
Earthquakes and Structures / v.21, no.6, 2021 , pp. 653-667 More about this Journal
Abstract
In this study, cyclic loading tests were conducted on the precast concrete (PC) wide beam (WB)-column joints. Two beam-column joint specimens were fabricated with the arrangement and anchorage details of the reinforcing bars penetrating the beam and column as variables. Through a cyclic loading test, the lateral load-story drift ratio responses, seismic performance characteristics (e.g., ductility, overstrength factor), energy dissipation, strength and stiffness degradations of each specimen were compared and analyzed based on the various indices and the current structural codes (ACI 318-19 and ACI 374.1-05 report). In addition, the shear lag effect was confirmed through the gauge values of the PC beam, and the differences in seismic performance between the specimens were identified on that basis.
Keywords
beam-column joints; precast concrete; seismic performance; shear lag effect; wide beam;
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