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An Experimental Investigation on Effect of GFRP Sheets on Deep Beams

Mohammed Ameeruddin Arafat1 , S Sunil Pratap Reddy2 , Syed Riyaz3

  1. Department of Civil Engineering,Vaagdevi college of Engineering, Warangal, India.
  2. Department of Civil Engineering,Vaagdevi college of Engineering, Warangal, India.
  3. Department of Civil Engineering,Vaagdevi college of Engineering, Warangal, India.

Correspondence should be addressed to: mohammedarafat717@gmail.com.

Section:Review Paper, Product Type: Journal Paper
Volume-5 , Issue-9 , Page no. 135-140, Sep-2017

CrossRef-DOI:   https://doi.org/10.26438/ijcse/v5i9.135140

Online published on Sep 30, 2017

Copyright © Mohammed Ameeruddin Arafat, S Sunil Pratap Reddy, Syed Riyaz . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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IEEE Style Citation: Mohammed Ameeruddin Arafat, S Sunil Pratap Reddy, Syed Riyaz, “An Experimental Investigation on Effect of GFRP Sheets on Deep Beams,” International Journal of Computer Sciences and Engineering, Vol.5, Issue.9, pp.135-140, 2017.

MLA Style Citation: Mohammed Ameeruddin Arafat, S Sunil Pratap Reddy, Syed Riyaz "An Experimental Investigation on Effect of GFRP Sheets on Deep Beams." International Journal of Computer Sciences and Engineering 5.9 (2017): 135-140.

APA Style Citation: Mohammed Ameeruddin Arafat, S Sunil Pratap Reddy, Syed Riyaz, (2017). An Experimental Investigation on Effect of GFRP Sheets on Deep Beams. International Journal of Computer Sciences and Engineering, 5(9), 135-140.

BibTex Style Citation:
@article{Arafat_2017,
author = {Mohammed Ameeruddin Arafat, S Sunil Pratap Reddy, Syed Riyaz},
title = {An Experimental Investigation on Effect of GFRP Sheets on Deep Beams},
journal = {International Journal of Computer Sciences and Engineering},
issue_date = {9 2017},
volume = {5},
Issue = {9},
month = {9},
year = {2017},
issn = {2347-2693},
pages = {135-140},
url = {https://www.ijcseonline.org/full_paper_view.php?paper_id=1444},
doi = {https://doi.org/10.26438/ijcse/v5i9.135140}
publisher = {IJCSE, Indore, INDIA},
}

RIS Style Citation:
TY - JOUR
DO = {https://doi.org/10.26438/ijcse/v5i9.135140}
UR - https://www.ijcseonline.org/full_paper_view.php?paper_id=1444
TI - An Experimental Investigation on Effect of GFRP Sheets on Deep Beams
T2 - International Journal of Computer Sciences and Engineering
AU - Mohammed Ameeruddin Arafat, S Sunil Pratap Reddy, Syed Riyaz
PY - 2017
DA - 2017/09/30
PB - IJCSE, Indore, INDIA
SP - 135-140
IS - 9
VL - 5
SN - 2347-2693
ER -

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Abstract

Reinforced concrete deep beams are widely used as transfer girders in offshore structures and foundations, walls of bunkers and load bearing walls in buildings. The presence of web openings in such beams is frequently required to provide accessibility such as doors and windows or to accommodate essential services such as ventilating and air conditioning ducts. Enlargement of such openings due to architectural/mechanical requirements and/or a change in the building’s function would reduce the element’s shear capacity, thus rendering a severe safety hazard. Limited studies have been reported in the literature on the behavior and strength of RC deep beams with openings. When such enlargement is unavoidable adequate measures should be taken to strengthen the beam and counteract the strength reduction.The present experimental investigation deals with the study of deep beams containing openings and the validation of results with FEM model using ANSYS. A total of 5 deep beams with openings are casted without shear reinforcements and are tested under three-point loading. Test specimen has a cross section of 150x460 mm and a total length of 1200 mm. Two circular openings, one in each shear span, are placed symmetrically about the mid-point of the beam. The structural response of RC deep beams with openings was primarily dependent on the degree of the interruption of the natural load path. Externally bonded GFRP shear strengthening around the openings was found very effective in upgrading the shear strength of RC deep beams. The strength gain caused by the GFRP sheets was in the range of 68–125%. Finite element modeling of RC deep beams containing openings strengthened with GFRP sheets is studied using ANSYS and the results are compared with experimental findings.

Key-Words / Index Term

Beam, GFRP, Laps and joints, FRP

References

[1] Aiello MA, Valente L, and Rizzo A, “Moment redistribution in continuous reinforced concrete beams strengthened with carbon fiber-reinforced polymer laminates”, Mechanics of Composite Materials, vol. 43, pp. 453-466, 2007.
[2] Aiello MA, and Ombres L, “Cracking and deformability analysis of reinforced concrete beams strengthened with externally bonded carbon fibre reinforced polymer sheet”, ASCE Journal of Materials in Civil Engineering, vol. 16, No. 5, pp.292-399,2004.
[3] Arduini M, and Nanni A, “Behaviour of pre-cracked R. C. beams strengthened with carbon FRP sheets”, ASCE Journal of Composites for Construction, vol. 1, No. 2, pp. 63-70, 1997.