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IJSTR >> Volume 10 - Issue 11, November 2021 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Strengthening Of Corrugated Web Steel Beams With Carbon-Fibre Reinforced Polymer Composites: Experimental Investigation

[Full Text]

 

AUTHOR(S)

Al-shaymaa K. Dyab, Mohamed A. EL Aghoury, Sherif M. Ibrahim, Amr B. Saddek

 

KEYWORDS

Strengthening, shear, Carbon fiber reinforced polymer (CFRP), corrugated web, steel, finite element

 

ABSTRACT

This paper presents experimental and numerical investigations to assess the feasibility and efficiency of using carbon fiber reinforced polymer (CFRP) strips as a strengthening technique in improvement the shear capacity of corrugated web steel beams (CWSBs). Experimental investigation is conducted on five CWSBs, with one control un-strengthened specimen and four strengthened specimens. The study takes into consideration different CFRP strips schemes (bonded on horizontal folds only or both horizontal and inclined folds), arrangement (bonded on one-fold side or both-fold sides). A numerical investigation is conducted using a finite element (FE) model developed in ANSYS software. The FE model results are validated against the experimental ones. The proposed FE model proved to accurately reflects the real overall behavior and the ultimate loads of both un-strengthened and strengthened CWSBs. The results demonstrated the efficiency of using CFRP strengthening technique in enhancement the shear capacity of CWSBs up to 68.61% depending on CFRP configuration.

 

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