UM
Shear lag effect on ultimate tensile capacity of high strength steel angles
Ke, Ke; Xiong, Y. H.; Yam, Michael C. H.; Lam, Angus C. C.; Chung, K. F.
2018-06
Source PublicationJOURNAL OF CONSTRUCTIONAL STEEL RESEARCH
ISSN0143-974X
Volume145Pages:300-314
AbstractThis research investigates the shear lag effect on the behaviour and ultimate tensile capacity of high strength steel (HSS) tension angles with bolted and welded connections. Eighteen full-scale tests were conducted, including fourteen specimens with HSS tension angles and four specimens with normal steel (NS) tension angles. For these specimens, single tension angles were connected to the gusset plates either by bolted or welded connections. The main test parameters included steel grade, connection length and out-of-plane eccentricity. In general, the test observations showed that the shear lag effect was significant for the bolted HSS angle specimens connected by the short leg. The effectiveness of the design equation in the current design specifications for quantifying the shear lag (1 - (x) over bar /L rule, wherer (x) over bar = out-of-plane eccentricity and L = connection length) was evaluated using the test results. The comparison of the test results and the predictions by the design equations showed that the latter gave un-conservative estimates of the ultimate tensile capacity of the specimens with bolted HSS angles connected by the short leg. Based on the finite element models validated by the test results, a parametric study was carried out, and the results also indicated that the current design equation would lead to unsafe estimates of the ultimate tensile capacities of bolted HSS angles connected by the short leg. Finally, a modified design guideline was proposed based on the results of the numerical study. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordShear lag High strength steel Tension angle Experiment Design method
DOI10.1016/j.jcsr.2018.02.015
URLView the original
Indexed BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000433268900024
PublisherELSEVIER SCI LTD
The Source to ArticleWOS
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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GB/T 7714
Ke, Ke,Xiong, Y. H.,Yam, Michael C. H.,et al. Shear lag effect on ultimate tensile capacity of high strength steel angles[J]. JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH,2018,145:300-314.
APA Ke, Ke,Xiong, Y. H.,Yam, Michael C. H.,Lam, Angus C. C.,&Chung, K. F..(2018).Shear lag effect on ultimate tensile capacity of high strength steel angles.JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH,145,300-314.
MLA Ke, Ke,et al."Shear lag effect on ultimate tensile capacity of high strength steel angles".JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH 145(2018):300-314.
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