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Relationships between interfacial shear stresses and moment capacities of RC beams strengthened with various types of FRP sheets

Title
Relationships between interfacial shear stresses and moment capacities of RC beams strengthened with various types of FRP sheets
Authors
Kim, NaeunShin, Yeong SooChoi, EunsooKim, Hee Sun
Ewha Authors
신영수김희선
SCOPUS Author ID
신영수scopus; 김희선scopus
Issue Date
2015
Journal Title
CONSTRUCTION AND BUILDING MATERIALS
ISSN
0950-0618JCR Link1879-0526JCR Link
Citation
vol. 93, pp. 1170 - 1179
Keywords
Fiber reinforced polymer sheetsTaper layeredHybridReinforced concrete beamMoment capacityInterfacial shear stress
Publisher
ELSEVIER SCI LTD
Indexed
SCIE; SCOPUS WOS scopus
Abstract
The objective of this study is to evaluate moment capacity based on interfacial shear stress of reinforced concrete (RC) beams strengthened with various types of fiber reinforced polymer (FRP) sheets. Toward this goal, RC beams strengthened with taper layered carbon FRP (CFRP) and hybrid FRP sheets were fabricated and subjected to four-point loading. From the experiments, interfacial shear stresses along the length of the CFRP sheets and maximum moments were obtained. The experimental results clearly showed that interfacial shear stress had significant influence on maximum moment of RC beams strengthened with FRP sheets. The relationship between interfacial shear stress and maximum moment capacity was considered for the moment capacity of RC beams with taper layered FRP sheets, and the numerical results showed good agreements with experimental results. In addition, finite element (FE) analytical studies were performed and the results validated relationship between interfacial shear stresses and maximum moment capacities. (C) 2015 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.conbuildmat.2015.05.007
Appears in Collections:
엘텍공과대학 > 건축공학전공 > Journal papers
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