Progressive Collapse Analysis of CFST Frame with Semi-Rigid Connection

Yang Ma; Lai Wang

doi:10.4028/www.scientific.net/AMM.578-579.779

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 578-579Progressive Collapse Analysis of CFST Frame with...

Progressive Collapse Analysis of CFST Frame with Semi-Rigid Connection

Abstract:

A finite element method was developed to investigate the semi-rigid connection mechanical behaviors in the process of CFST structures progressive collapse, and different semi-rigid connection joint stiffness were taken into consideration and compared to rigid connection. Nonlinear static and dynamic analysis were carried out with alternate path method. The numerical result shows that the increase of joint stiffness would evidently enhance the structural progressive collapse resistance performance, and CFST structures have excellent characteristic to prevent progressive collapse, the great deformation capacity and energy dissipation ability of semi-rigid connections are advantageous to progressive collapse resistance.

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Periodical:

Applied Mechanics and Materials (Volumes 578-579)

Pages:

779-783

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.578-579.779

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Online since:

July 2014

Authors:

Yang Ma*, Lai Wang

Keywords:

CFST Structure, Finite Element Method (FEM), Progressive Collapse, Semi-Rigid Connection

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