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CFRP Application in Retrofitting of R.C.C Beam

Authors(2):

Amit Khandekar, Dr. Chandrakant Pol
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Deterioration in reinforced concrete structures is a major issue faced by the infrastructures industries all over the world. Since complete replacement of these structures requires high investment, strengthening has become the suitable solution to modify and improve the performance of the structures. The strengthening of RC beams using FRP composites has become a popular structural strengthening technique, due to the well-known advantages of FRP composites such as their high strength-to-weight ratio and excellent corrosion resistance. This study explores the result of an experimental investigation for enhancing the flexure capacity of reinforced concrete (RC) beams with flexure deficiencies, strengthened with Carbon Fiber Reinforced Polymer (CFRP) sheets. Total 18 numbers of specimens were casted. Out of this 9 specimens were tested for control beam and 9 were for deterioration in that three were tested with CFRP wrapping respectively. The geometry of all beams are 1200mm overall length, 1000mm effective length (bearing 100 mm each side), 100 mm width and 150 mm depth with constant reinforcement as per design. The dimensions of all beams are kept same throughout the experiment. Experiments are conducted to study the flexural capacity of RC rectangular beams with and without FRP using local available materials. For the experiment four point bending test was conducted. Deterioration of Concrete is done by using solutions of calcium chloride (CaCl2) with 3 molal ion concentrations. The experimental results demonstrated that the use of CFRP composite strips increases the flexure capacity of the beams significantly by preventing the debonding of CFRP sheets, so that the full strength of the CFRP sheets get utilized.

Amit Khandekar, Dr. Chandrakant Pol

CFRP, CaCl2, Four point bending test, ETABS

  1. Robert M. Foster, Monika Brindley, et.al. "Experimental Investigation of Reinforced Concrete T-Beams Strengthened in Shear with Externally Bonded CFRP Sheets", ASCE, ISSN 1090-0268, 2016.
  2. Rami H. Haddad, et.al "Hybrid repair configurations with CFRP composites for recovering structural performance of steel-corroded beams", July 2016.
  3. J. Jayaprakash, et.al. "Shear Strengthening and Shear Repair of 2-Span Continuous RC Beams with CFRP Strips", ASCE, 2016.
  4. Wee Teo, et.al. "Interaction between Internal Shear Reinforcement and External FRP Systems of RC Beams: Experimental Study", May 20, 2016.
  5. Martin Noe, et. al., "Strengthening of shear critical RC beams with various FRP systems", May 2014.
  6. Adil K. Al-Tamimi et.al, "Behavior of reinforced concrete beams strengthened with externally bonded hybrid fiber reinforced polymer systems", August 2013.
  7. Hiran D. Yapa and Janet M. Lees, "Rectangular Reinforced Concrete Beams Strengthened with CFRP Straps", ASCE, 2013.
  8. Yaqub M. Y. Rafiq and M. Al-Farttoosi,"Predicting the Behaviour of Reinforced Concrete Elements Strengthened with CFRP Using Model Updating Techniques", ASCE 2014.
  9. Thong M. Pham, et.al. "Strengthening Square Reinforced Concrete Columns by Shape Modification and CFRP", ASCE 2013.
  10. Jiangfeng Dong,et,al. ,"Structural behaviour of RC beams with external flexural and flexural–shear strengthening by FRP sheets", February 2012.

Publication Details

Published in : Volume 4 | Issue 8 | May-June - 2018
Date of Publication Print ISSN Online ISSN
2018-05-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
01-07 IJSRSET118487   Technoscience Academy

Cite This Article

Amit Khandekar, Dr. Chandrakant Pol, "CFRP Application in Retrofitting of R.C.C Beam ", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 4, Issue 8, pp.01-07, May-June-2018.
URL : http://ijsrset.com/IJSRSET118487.php