Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Simplified Method for Elastic Distortional Buckling Stress of Cold-Formed Thin-Wall Steel Members
For the distortional buckling of cold-formed thin-wall steel members, the Direct Strength Method (DSM) is a recently adopted design approach by foreign standard, and Chinese professional standard Technical specification for low-rise cold-formed thin-wall steel buildings present the calculation formulas based on the Effective Area Method (EAM). The key of both methods is the elastic distortional buckling stress. At present, the calculation methods about it are over conservative. Compare the calculation results of method in AISI S100with the one calculated by software CUFSM, for C and Z sections in bending and axial compression loading respectively in the North American Specifications for Cold-Formed Steel Structural Members (AISI S100). This paper presents revised simplified methods for calculating the elastic distortional buckling stress. The new methods yield more accurate results but similar computation cost compared to the existing methods.
Simplified Method for Elastic Distortional Buckling Stress of Cold-Formed Thin-Wall Steel Members
For the distortional buckling of cold-formed thin-wall steel members, the Direct Strength Method (DSM) is a recently adopted design approach by foreign standard, and Chinese professional standard Technical specification for low-rise cold-formed thin-wall steel buildings present the calculation formulas based on the Effective Area Method (EAM). The key of both methods is the elastic distortional buckling stress. At present, the calculation methods about it are over conservative. Compare the calculation results of method in AISI S100with the one calculated by software CUFSM, for C and Z sections in bending and axial compression loading respectively in the North American Specifications for Cold-Formed Steel Structural Members (AISI S100). This paper presents revised simplified methods for calculating the elastic distortional buckling stress. The new methods yield more accurate results but similar computation cost compared to the existing methods.
Simplified Method for Elastic Distortional Buckling Stress of Cold-Formed Thin-Wall Steel Members
Fu, Xiang-Rong (Autor:in) / Yan, Wei-Ming (Autor:in) / Yu, Cheng (Autor:in)
2012
8 Seiten
Aufsatz (Konferenz)
Englisch
Simplified Method for Elastic Distortional Buckling Stress of Cold-Formed Thin-Wall Steel Members
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