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Structural Strength Performance of Carbon Fiber Reinforced Polymer on High Strength Concrete Beam

IBRAHIM, MUHAMMAD AZHAR (2008) Structural Strength Performance of Carbon Fiber Reinforced Polymer on High Strength Concrete Beam. Universiti Teknologi Petronas. (Unpublished)

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Abstract

The existing public infrastructures of Malaysia has suffered from decades of neglect and overuse, leading to the accelerated deterioration of bridges, building, transportation systems, and resulting in a situation that approaching a infrastructure crisis. This paper investigates the flexural behavior of Carbon Fiber Reinforced Polymer (CFRP) plates on high strength concrete beams. Eight concrete beam specimens with dimensions of 150 mm width, 200 mm height and 2150 mm length to give a clear span length of 2000 mm were manufactured and tested. These eight beams were grouped by four CB-series beams which were made without fly ash replacement and four CF-series beams which were made with 30% fly ash replacement. Six of the reinforced concrete beams were externally strengthened by pasting CFRP plates at the soffit of the beam, three different lengths, 1333 mm, 1667 mm and 2000 mm which represent 66.7%, 83% and 100% respectively of the total beam span. The optimum length of the CFRP plate was then established for structural strengthening in terms of load carrying capacity, ductility and economical factor. The results have shown that 1667 mm which is 83% of the span length is the optimum length of the CFRP plate that achieved the highest strength; beyond this length, the increase in the strength was negligible considering the economical factor. The behavior of reinforced concrete beams made of 30% fly ash replacement and those made of normal concrete was similar at first crack and ultimate loads when externally strengthened with CFRP plates. iii

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/7403

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