Details
| Original language | English |
|---|---|
| Pages (from-to) | 22-34 |
| Number of pages | 13 |
| Journal | Composite structures |
| Volume | 101 |
| Early online date | 8 Feb 2013 |
| Publication status | Published - Jul 2013 |
| Externally published | Yes |
Abstract
Closed form solutions for the flexural and the interfacial behavior of steel beams strengthened by prestressed bonded plates are presented. The method includes the shear deformation effect of the beam and is applied to three different load cases. The effect of different parameters such as the prestressing level, steel grade and geometric and mechanical properties of the plate on both the interfacial shear stress and the flexural behavior of the plated beam is discussed. The results show that while the geometric and mechanical properties of the plate have influence on the stiffness and the yield load capacity of the plated beam, prestressing does not affect the stiffness of the plated beam but increases the yield load capacity. The qualitative results of the analytical method presented in this paper are then compared with the experimental results of laboratory tests, which show good agreement between theory and practice. The experimental results show an increase in the yield and ultimate load carrying capacity of the beams strengthened by prestressed carbon fiber reinforced polymer (CFRP) plates.
Keywords
- Interfacial stresses, Metallic beams, Prestressed bonded carbon fiber reinforced polymer (CFRP) plate, Steel beams, Strengthening
ASJC Scopus subject areas
- Materials Science(all)
- Ceramics and Composites
- Engineering(all)
- Civil and Structural Engineering
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In: Composite structures, Vol. 101, 07.2013, p. 22-34.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Flexural and interfacial behavior of metallic beams strengthened by prestressed bonded plates
AU - Ghafoori, Elyas
AU - Motavalli, Masoud
PY - 2013/7
Y1 - 2013/7
N2 - Closed form solutions for the flexural and the interfacial behavior of steel beams strengthened by prestressed bonded plates are presented. The method includes the shear deformation effect of the beam and is applied to three different load cases. The effect of different parameters such as the prestressing level, steel grade and geometric and mechanical properties of the plate on both the interfacial shear stress and the flexural behavior of the plated beam is discussed. The results show that while the geometric and mechanical properties of the plate have influence on the stiffness and the yield load capacity of the plated beam, prestressing does not affect the stiffness of the plated beam but increases the yield load capacity. The qualitative results of the analytical method presented in this paper are then compared with the experimental results of laboratory tests, which show good agreement between theory and practice. The experimental results show an increase in the yield and ultimate load carrying capacity of the beams strengthened by prestressed carbon fiber reinforced polymer (CFRP) plates.
AB - Closed form solutions for the flexural and the interfacial behavior of steel beams strengthened by prestressed bonded plates are presented. The method includes the shear deformation effect of the beam and is applied to three different load cases. The effect of different parameters such as the prestressing level, steel grade and geometric and mechanical properties of the plate on both the interfacial shear stress and the flexural behavior of the plated beam is discussed. The results show that while the geometric and mechanical properties of the plate have influence on the stiffness and the yield load capacity of the plated beam, prestressing does not affect the stiffness of the plated beam but increases the yield load capacity. The qualitative results of the analytical method presented in this paper are then compared with the experimental results of laboratory tests, which show good agreement between theory and practice. The experimental results show an increase in the yield and ultimate load carrying capacity of the beams strengthened by prestressed carbon fiber reinforced polymer (CFRP) plates.
KW - Interfacial stresses
KW - Metallic beams
KW - Prestressed bonded carbon fiber reinforced polymer (CFRP) plate
KW - Steel beams
KW - Strengthening
UR - http://www.scopus.com/inward/record.url?scp=84875800514&partnerID=8YFLogxK
U2 - 10.1016/j.compstruct.2013.01.021
DO - 10.1016/j.compstruct.2013.01.021
M3 - Article
AN - SCOPUS:84875800514
VL - 101
SP - 22
EP - 34
JO - Composite structures
JF - Composite structures
SN - 0263-8223
ER -