FEM analysis of the modular prefabricated steel-concrete composite beam-column internal joint under reciprocating action

Cheng Long Wu; Jian Cheng Kan; Qi Hui Wang; Ji Ming Liu; Zun Qiang Li

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자료유형: 학술저널

저자정보: Cheng Long Wu (Qingdao University of Technology) Jian Cheng Kan (Qingdao University of Technology) Qi Hui Wang (Qingdao University of Technology) Ji Ming Liu (Qingdao University of Technology) Zun Qiang Li (Qingdao University of Technology)

저널정보: 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.41 No.1

발행연도: 2021.10

수록면: 45 - 64 (20page)

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Prefabricated steel-concrete composite structure has the advantages of large bearing capacity, reliable connection, and good durability, which is of great significance to the development of building industrialization. In this paper, a finite element model (FEM) of the modular prefabricated SRC column-steel beam composite joint is established and verified its accuracy through ABAQUS. The effects of various parameter variables on the hysteresis curve, skeleton curve, ductility, energy consumption, and performance deterioration are investigated. The results show that as the axial compression ratio increases, the joint bearing capacity first increases and then decreases, the strength and stiffness have relatively stable degradation characteristics. However, the hysteresis curve has a certain “pinch” phenomenon, which reduces the energy consumption performance. Different column end bolts margin and apertures have little effect on the bearing capacity, strength and stiffness degradation performance, but affect energy consumption and ductility. The width-to-thickness ratio of the square steel tube has a greater impact on the bearing capacity, energy consumption and ductility, and has less impact on the strength and stiffness degradation performance. As the thickness of the joint cover plate increases, the bearing capacity, energy consumption and initial stiffness of the joint gradually increase, the ductility first increases and then decreases.

#beam-to-column joints #FEM analysis #parametric analysis #prefabricated composite structure #reciprocating loading

참고문헌 (39)

참고문헌 신청

ABAQUS / 2014 / User's Manual, Version 6.14 / Dassault Systemes Corp

2011 / ACI318 Building code requirements for structural concrete and commentary / American Concrete Institute

S. Alizadeh / 2013 / The seismic performance of new detailing for RCS connections / Journal of Constructional Steel Research 91:76~88

Yongtao Bai / 2021 / Bi-directional seismic behavior of steel beam-column connections with outer annular stiffener / Engineering Structures 227:111443

O.S. Bursi / 1997 / Benchmarks for finite element modelling of bolted steel connections / Journal of Constructional Steel Research 43(1-3):17~42

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