Experimental study of shear lag effects on welded steel tension members
Michael C. H. Yam1; H. T. Zhu2; Angus C. C. Lam2; V. P. Iu2
2005
Conference NameInternational Symposium on Innovation and Sustainability of Structures in Civil Engineering-Including Seismic Engineering
Source PublicationISISS 2005: Innovation & Sustainability of Structures
Volume1-3
Pages503-512
Conference DateNOV 20-22, 2005
Conference PlaceNanjing, PEOPLES R CHINA
PublisherSOUTHEAST UNIV PRESS, 2 SIPAILOU, NANJING 210096, PEOPLES R CHINA
Abstract

Steel tension members, such as angles, tee-sections and channels, are usually utilized in the structures. In this case only parts of the member sections are connected to other structural members. Therefore, non-uniform stress distributions are developing across the cross-section because of combined effects of shear lag effects, connection eccentrictties and stress concentrations in local connected region resulting in the premature fracture. Many researchers devoted extensive efforts to interpret the behaviors of shear lag effects, on bolted connections using both experimental and analytical methods. Consequently American specification employs the connected length and the eccentricity to describe the efficiency of ultimate loads of tension members in practical designs, based mostly on the above research and stipulates that it is also valid for the welded connection. This paper presents the experimental testing of totally 22 single angle and tee-section members with welded connection to investigate the potential effects of different arrangements on the above mentioned effects. Comparisons with the American specification (LRFD 2005) showed that it was over-conservative for short leg connection, especially in the case of balanced welds.

KeywordSteel Tension Member Shear Lag Effects Welded Connection
Indexed BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000237481700039
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Affiliation1.Dept. of Building & Real Estate, The Hong Kong Polytechnic University, Hong Kong, China
2.Dept. of Civil and Environmental Engineering, The University of Macau, Macao, China
Recommended Citation
GB/T 7714
Michael C. H. Yam,H. T. Zhu,Angus C. C. Lam,et al. Experimental study of shear lag effects on welded steel tension members[C]:SOUTHEAST UNIV PRESS, 2 SIPAILOU, NANJING 210096, PEOPLES R CHINA,2005:503-512.
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