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作者:

Zhao Yang (Zhao Yang.) | Yan WeiMing (Yan WeiMing.) (学者:闫维明) | Yu Cheng (Yu Cheng.)

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CPCI-S EI Scopus

摘要:

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 present, the calculation methods about it are over conservative. Compare the calculation results of method in AISI S100 with 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.

关键词:

elastic distortional buckling stress cold-formed thin-wall steel flexural members compression members

作者机构:

  • [ 1 ] [Zhao Yang]Beijing Univ Technol, Sch Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Yan WeiMing]Beijing Univ Technol, Sch Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Yu Cheng]Univ North Texas, Denton, TX USA

通讯作者信息:

  • [Zhao Yang]Beijing Univ Technol, Sch Architecture & Civil Engn, Beijing 100124, Peoples R China

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来源 :

PROGRESS IN STRUCTURE, PTS 1-4

ISSN: 1660-9336

年份: 2012

卷: 166-169

页码: 3391-,

语种: 英文

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