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M.Tech / M.E / PhD Thesis | Civil Engineering | India | Volume 6 Issue 11, November 2017
Study on Flexural Strength Enhancement of T-Beams through GFRP Wrapping
Arun B. [2] | Jency Sara Kurian | Abey E. | Vivek P. [2]
Abstract: This paper presents experimental study conducted to investigate the behavior of flexurally damaged RC T beams retrofitted with Glass fiber-reinforced polymer GFRP laminates. Four RC beams were fabricated. Two of the beams were having neutral axis (NA) inside the flange I1 & I2 and other two with neutral axis outside the flangeI1 & I2. The two set of beams which were designed strong in shear and weak in flexure were loaded to ultimate yield failure of steel reinforcement and retrofitted with GFRP with single and double layer. The retrofitted beams were named IR1, IR2 for beams with NA inside the flange and OR1, OR2 with NA outside the flange. Testing of Percentage of strength enhancement of retrofitted beam (IR1) showed 68.5. For Beam (IR2) percentage of strength enhancement was 88. For Beam (OR1) percentage of strength enhancement was 83. For Beam (OR2) indicates strength enhancement of retrofitted Beams in ultimate load carrying capacity.
Keywords: Retrofitting, Neutral axis, flexure, GFRP
Edition: Volume 6 Issue 11, November 2017,
Pages: 1058 - 1063
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