Chapter
Feb 22, 2016
Modelling of Semi-Rigid Joints in Steel-Concrete Composite Frames
Authors: S. Jeyarajan [email protected], J. Y. Richard Liew [email protected], and C. G. Koh [email protected]Author Affiliations
Publication: Composite Construction in Steel and Concrete VII
Abstract
This paper introduces a semi-rigid joint model to capture the composite beam-to-column joint behaviour so that the influence of joints on the building frame can be assessed precisely. The beam-to-column joint is modelled using a 6-degree of freedom non-linear connector. Depending on the joint type (e.g., simple, rigid or semi-rigid), connector load deformation behaviour can be represented by axial force-displacement relationship and moment-rotation relationship. This will avoid detailed finite element modelling of joint components to improve the computational efficiency of analysing large three-dimensional (3D) building frame. Analysis of 3D frame shows that the use of semi-rigid joint model predicts less beam deflection and higher load carrying capacity compared to pin-joint model. The incorporation of semi-rigid joint model in 3D frame analysis tends to produce more realistic estimate of frame behaviour compare to model using pin or rigid joints.
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Published In
Composite Construction in Steel and Concrete VII
Pages: 422 - 437
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Feb 22, 2016
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Affiliations
Dept. of Civil and Environmental Engineering, National Univ. of Singapore, 1 Engineering Dr. 2, Singapore 117576. E-mail: [email protected]
Dept. of Civil and Environmental Engineering, National Univ. of Singapore, 1 Engineering Dr. 2, Singapore 117576. E-mail: [email protected]
Dept. of Civil and Environmental Engineering, National Univ. of Singapore, 1 Engineering Dr. 2, Singapore 117576. E-mail: [email protected]
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