alexa Effect of Elevated Temperature on Flexural Behavior of RC Beams with NSM CFRP
ISSN: 2165-784X

Journal of Civil & Environmental Engineering
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Research Article

Effect of Elevated Temperature on Flexural Behavior of RC Beams with NSM CFRP

Saeed Ahmed Al-Sheikh1* and Ahmed Abdel Hamid Abdallah2

1Department of Civil Engineering, Pyramids Higher Institute, 6th October University, Giza, Egypt

2Department of Engineering, MTI – University, Cairo, Egypt

*Corresponding Author:
Saeed Ahmed Al-Sheikh
Lecturer, Department of Civil Engineering, Pyramids Higher Institute
6th October University, Giza, Egypt
Tel: +201223443895, +201007090069
E-mail: [email protected]; [email protected]

Received date: November 24, 2016; Accepted date: January 23, 2017; Published date: January 24, 2017

Citation: Al-Sheikh SA, Abdallah AAH (2017) Effect of Elevated Temperature on Flexural Behavior of RC Beams with NSM CFRP. J Civil Environ Eng 7:262. doi:10.4172/2165-784X.1000262

Copyright: © 2017 Al-Sheikh SA, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The strengthening of RC structures with fiber reinforced polymer (FRP) materials has demonstrated enormous potential as a repairing material. However, their thermal and mechanical behaviors after exposure to elevated temperature remain an obstacle due to FRP’s sensitivity to high temperatures as compared with order structural materials. In this paper an experimental works was conducted to study the behavior of RC beam with NSM CFRP with different adhesive materials exposed to elevated temperature of 550°C for different periods of time and cooling schemes. In this experimental study 6 beams were cast, one beam (BN) was not exposed to elevated temperature as a control beam and the remaining beams were exposed to elevated temperature. These beams were tested under four-point loading. The effect of variables was studied in terms of ultimate failure load, maximum deflection and failure mode. From the test results, it could be concluded that ready-mix mortar could be as an alternative adhesive material. The ultimate load-carrying capacity of the RC beam was reduced for longer duration of elevated temperature.

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