منابع مشابه
Carbon Fiber Post-Strengthening of Concrete Structures
Introduction In the 1970s, exterior bonded steel reinforcement was used sporadically to reinforce bridges to attain higher service load capacities. This steel post-strengthening system consisted of steel straps bonded with epoxies to the exterior of concrete beams. An alternative to the steel retrofit is woven carbon fiber reinforced polymer fabric applied in the same manner as steel. Carbon fi...
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The use of fibre reinforced polymer (FRP) for retrofitting and strengthening concrete structures provides an attractive and economical solution to increasing their strength and ductility. This paper reviews some of the Canadian projects which have been completed using this material. The selected projects are sponsored by the Canadian Network of Centres of Excellence on Intelligent Sensing for I...
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The current paper reviews existing design guidelines for strengthening beams in shear with carbon fibre reinforced polymer (CFRP) sheets and proposes a modification to Concrete Society Technical Report TR55. It goes on to present the results of an experimental programme which evaluated the contribution of CFRP sheets towards the shear strength of continuous reinforced concrete (RC) beams. A tot...
متن کاملComputer-Aided Strengthening of Steel and Reinforced Concrete Telecommunication Poles
ABSTRACT: The absence of explicit guidelines for the rehabilitation of existing pole structures was the motivation to investigate the effectiveness of steel jacketing for the retrofitting of self-supporting steel and reinforced concrete telecommunication poles. The present study describes a numerical simulation of preand post-retrofitted conditions of the pole structures subjected to seismic ha...
متن کاملFRP Composites Strengthening of Concrete Columns under Various Loading Conditions
This paper provides a review of some of the progress in the area of fiber reinforced polymers (FRP)-strengthening of columns for several loading scenarios including impact load. The addition of FRP materials to upgrade deficiencies or to strengthen structural components can save lives by preventing collapse, reduce the damage to infrastructure, and the need for their costly replacement. The ret...
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ژورنال
عنوان ژورنال: International Journal of Engineering and Technology
سال: 2014
ISSN: 1793-8236
DOI: 10.7763/ijet.2014.v6.659