EXPERIMENTAL VALIDATION OF OPTIMUM RESISTANCE MOMENT OF CONCRETE SLABS REINFORCED WITH CARBON FIBRE-REINFORCED PLASTIC

EE Okoro; AU Nwafor; OS Abejide

doi:10.4314/njt.362.1285

EXPERIMENTAL VALIDATION OF OPTIMUM RESISTANCE MOMENT OF CONCRETE SLABS REINFORCED WITH CARBON FIBRE-REINFORCED PLASTIC

Authors

EE Okoro DEPARTMENT OF CIVIL ENGINEERING, WAZIRI UMARU FEDERAL POLYTECHNIC, BIRNIN KEBBI, KEBBI STATE. NIGERIA.
AU Nwafor DEPARTMENT OF CIVIL ENGINEERING, FEDERAL POLYTECHNIC, OKO, ANAMBRA STATE. NIGERIA.
OS Abejide DEPARTMENT OF CIVIL ENGINEERING, AHMADU BELLO UNIVERSITY, ZARIA, KADUNA STATE. NIGERIA.

DOI:

https://doi.org/10.4314/njt.362.1285

Keywords:

optimum resistance moment, concrete slabs, CFRP, design formulation.

Abstract

Fibre-Reinforced Plastics (FRPs) have been suggested as suitable reinforcement for concrete structures among other solutions to combat corrosion problems in steel reinforced concrete. This paper presents the experimental validation of optimum resistance moment of concrete slabs reinforced with Carbon-Fibre Reinforced Plastic (CFRP). Eight specimens of two-way spanning slabs reinforced with CFRP bars were used in the experiment. They were designed to achieve two classical failure modes: rupture of the reinforcements (tension failure) and crushing of the concrete while the reinforcement remains elastic (compression failure). This was accomplished by using reinforcement ratios less, and more than the balanced reinforcement ratio,, for the slabs, respectively. All the slabs failed as predicted. The results obtained show that the design formulations for predicting the minimum flexural resistance of an CFRP-reinforced concrete member provided by CSAS806-02(R07) have been underestimated. The design formulations were found to underestimate the resistance moment capacity of CFRP-reinforced concrete slabs by about 33%.

http://dx.doi.org/10.4314/njt.v36i2.9

Downloads

Published

2017-03-31

Issue

Vol. 36 No. 2 (2017)

Section

Building, Civil & Geotechnical Engineering

License

The contents of the articles are the sole opinion of the author(s) and not of NIJOTECH.

NIJOTECH allows open access for distribution of the published articles in any media so long as whole (not part) of articles are distributed.

A copyright and statement of originality documents will need to be filled out clearly and signed prior to publication of an accepted article. The Copyright form can be downloaded from http://nijotech.com/downloads/COPYRIGHT%20FORM.pdf while the Statement of Originality is in http://nijotech.com/downloads/Statement%20of%20Originality.pdf

For articles that were developed from funded research, a clear acknowledgement of such support should be mentioned in the article with relevant references. Authors are expected to provide complete information on the sponsorship and intellectual property rights of the article together with all exceptions.

It is forbidden to publish the same research report in more than one journal.

How to Cite

EXPERIMENTAL VALIDATION OF OPTIMUM RESISTANCE MOMENT OF CONCRETE SLABS REINFORCED WITH CARBON FIBRE-REINFORCED PLASTIC. (2017). Nigerian Journal of Technology, 36(2), 380-385. https://doi.org/10.4314/njt.362.1285