Session Dates

06 Nov 2014

Abstract

A series of monotonous loading and hysteresis loading tests on cold-formed steel portal frames were conducted in this paper. The averaged ductility factor value of tested frames is 3.15 and the strength and stiffness degradation are not obvious during the test. The failure mode of frame is local buckling at column bases followed by local buckling at the top of columns, which lead to the dropping of frame’s load-carrying capacity. Then, the finite element model is developed and the analysis results match well with the test results. The research in this paper indicates that cold-formed steel portal frame has a good seismic performance.

Department(s)

Civil, Architectural and Environmental Engineering

Research Center/Lab(s)

Wei-Wen Yu Center for Cold-Formed Steel Structures

Sponsor(s)

12th National Five-Year Science and Technology Support Project

Meeting Name

22nd International Specialty Conference on Cold-Formed Steel Structures

Publisher

Missouri University of Science and Technology

Document Version

Final Version

Rights

© 2014 Missouri University of Science and Technology, All rights reserved.

Comments

Authors are grateful to the financial support by the 12th National Five-Year Science and Technology Support Project (No.2012BAJ13B02).

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Nov 6th, 12:00 AM Nov 6th, 12:00 AM

Investigation on Seismic Performance of Cold-Formed Steel Portal Frames

A series of monotonous loading and hysteresis loading tests on cold-formed steel portal frames were conducted in this paper. The averaged ductility factor value of tested frames is 3.15 and the strength and stiffness degradation are not obvious during the test. The failure mode of frame is local buckling at column bases followed by local buckling at the top of columns, which lead to the dropping of frame’s load-carrying capacity. Then, the finite element model is developed and the analysis results match well with the test results. The research in this paper indicates that cold-formed steel portal frame has a good seismic performance.