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Local web buckling of CFRP reinforced single-coped beam with slender web
Lam, Chi Chiu1; Gu, Jiaming1; Zhang, Yufei1; Li, Guanhua2; Cai, Jingming1,2
2021-11-15
Source PublicationEngineering Structures
ISSN0141-0296
Volume247Pages:113224
Abstract

The steel coped beams are commonly seen in steel structures since slotting and coping are inevitable for the fitting of steel beams. The steel coped beams with slender web, however, are prone to local web buckling, which results in decreased load carrying capacity and catastrophic failure modes. This paper is intended to investigate the feasibility of reinforcing single-coped beam with carbon fiber reinforced polymer (CFRP) plate. Totally five single-coped steel beams with or without CFRP plate reinforcement were tested. The failure processes and influences of different parameters were discussed and compared. It was found that the application of CFRP plate is effective to prohibit the development of buckling line. Thus, the load carrying capacity of CFRP reinforced single-coped beam could be three times higher than its control group. A novel finite element (FE) model was proposed and verified with experimental results. Based on the FE model, the failure mechanisms of CFRP reinforced single-coped beam were investigated. The parameter analysis was also conducted to acquire the optimal size of the CFRP plate considering its reinforcement effects. Based on both experimental and simulational results, the simplified design method of CFRP reinforced single-coped beam was also proposed.

KeywordCfrp Plate Coped Beam Design Method Fe Model Local Buckling
DOI10.1016/j.engstruct.2021.113224
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Civil
WOS IDWOS:000701843500001
Scopus ID2-s2.0-85115422891
Fulltext Access
FWCI0.305213
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorCai, Jingming
Affiliation1.Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macau, China
2.Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Lam, Chi Chiu,Gu, Jiaming,Zhang, Yufei,et al. Local web buckling of CFRP reinforced single-coped beam with slender web[J]. Engineering Structures,2021,247:113224.
APA Lam, Chi Chiu,Gu, Jiaming,Zhang, Yufei,Li, Guanhua,&Cai, Jingming.(2021).Local web buckling of CFRP reinforced single-coped beam with slender web.Engineering Structures,247,113224.
MLA Lam, Chi Chiu,et al."Local web buckling of CFRP reinforced single-coped beam with slender web".Engineering Structures 247(2021):113224.
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