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Local web buckling strength of coped steel I beams
Michael C. H. Yam1; Angus C. C. Lam3; V. P. Iu3; J. J. R. Cheng2
2003
Source PublicationJournal of Structural Engineering
ISSN0733-9445
Volume129Issue:1Pages:3-11
Abstract

When a beam flange is coped to allow clearance at the connection, the strength of the coped region will be reduced. Local web buckling at the coped region may occur when the cope length is long and/or the compression flange is braced. Experimental and analytical investigation of the strength of coped steel I beams were conducted by a number of researchers and design formula was also proposed. However, the proposed formula underestimates the local web buckling capacity of a coped I beam, especially when the cope-depth to beam-depth ratio is small. To improve this discrepancy, full-scale tests of the web buckling strength of coped steel I beams and a series of analytical studies were carried out. A modified plate buckling formula, which considers the shear buckling phenomenon at the coped region, is proposed. The modified formula gives a better prediction of the local web buckling strength of a coped I beam. The test-to-predicted ratios varies from 0.92 to 1.06.

KeywordBuckling Steel Beams Strength
DOIhttps://doi.org/10.1061/(ASCE)0733-9445(2003)129:1(3)
Indexed BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000180016800001
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Citation statistics
Cited Times [WOS]:16   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Science and Technology
Personal research not belonging to the institution
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorMichael C. H. Yam
Affiliation1.Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hum, Kowloon, Hong Kong
2.Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton AB Canada
3.Faculty of Science and Technology, Univ. of Macau, P.O. Box 3001, Macau
Recommended Citation
GB/T 7714
Michael C. H. Yam,Angus C. C. Lam,V. P. Iu,et al. Local web buckling strength of coped steel I beams[J]. Journal of Structural Engineering,2003,129(1):3-11.
APA Michael C. H. Yam,Angus C. C. Lam,V. P. Iu,&J. J. R. Cheng.(2003).Local web buckling strength of coped steel I beams.Journal of Structural Engineering,129(1),3-11.
MLA Michael C. H. Yam,et al."Local web buckling strength of coped steel I beams".Journal of Structural Engineering 129.1(2003):3-11.
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