Shear strengthening of reinforced concrete beams with CFRP

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Shear strengthening of reinforced concrete beams with CFRP ...

May 25, 2015  The experimental results show that the shear strength of the beams was significantly increased by the CFRP sheet and that it is beneficial to orientate the FRP

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Shear strengthening of reinforced concrete beams with CFRP

The current paper reviews existing design guidelines for strengthening beams in shear with carbon fibre reinforced polymer (CFRP) sheets and proposes a

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(PDF) Shear strengthening of reinforced concrete beams ...

Jan 01, 2010  The current paper r eviews existing design guidelines for strengthening beams in shear with carbon f ibr e reinfor ced polymer (CFRP) sheets and pr oposes a

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Shear strengthening of reinforced concrete beams with CFRP

Shear strengthening of reinforced concrete beams with CFRP I. A. Bukhari*, R. L. Vollum , S. Ahmad* and J. Sagaseta Engineering University, Taxila; Imperial College

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Shear Strengthening of Reinforced Concrete Beams Using ...

Jan 01, 2019  ICSI 2019 The 3rd International Conference on Structural Integrity Shear Strengthening of Reinforced Concrete Beams Using CFRP Wraps Haya H. Mhannaa, Rami A.

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Shear strengthening of reinforced concrete beams with CFRP

The current paper reviews existing design guidelines for strengthening beams in shear with carbon fibre reinforced polymer (CFRP) sheets and proposes a

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CFRP Laminates for Shear Strengthening of Concrete Beams

Aug 26, 2019  CFRP Laminates for Shear Strengthening of RC Beams. The use of Carbon fiber reinforced polymer (CFRP) strips for shear strengthening of reinforced

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Shear strengthening of reinforced concrete beams with

Shear strengthening of reinforced concrete beams with CFRP I. A. Bukhari*, R. L. Vollum , S. Ahmad* and J. Sagaseta Engineering University, Taxila; Imperial College London The current paper reviews existing design guidelines for strengthening beams in shear with carbon fibre reinforced polymer (CFRP) sheets and proposes a modification to ...

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(PDF) Shear strengthening of reinforced concrete beams ...

The current paper r eviews existing design guidelines for strengthening beams in shear with carbon f ibr e reinfor ced polymer (CFRP) sheets and pr oposes a modif ication to Concrete Society T ...

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Shear strengthening of reinforced concrete beams with CFRP ...

Jan 01, 2010  The experimental results show that the shear strength of the beams was significantly increased by the CFRP sheet and that it is beneficial to orientate the FRP at 45° to the axis of the beam. The shear strength of FRP strengthened beams is usually calculated by adding individual components of shear resistance from the concrete, steel stirrups ...

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Shear strengthening of reinforced concrete beams with bi ...

However, negligible shear strength gain was observed in beams with a/d of 1.5 (deep beams). Experimental test results demonstrate an interaction between the contribution of concrete, transverse steel and CFRP to the shear resistance of a reinforced concrete beam.

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Shear strengthening of reinforced concrete beams with CFRP

The current paper reviews existing design guidelines for strengthening beams in shear with carbon fibre reinforced polymer (CFRP) sheets and proposes a modification to Concrete Society Technical Report TR55. It goes on to present the results of an experimental programme which evaluated the contribution of CFRP sheets towards the shear strength of continuous reinforced concrete (RC) beams.

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CFRP Shear Strengthening of Reinforced-Concrete T-Beams ...

Oct 05, 2015  The investigated parameters are the shear link corrosion level (uncorroded, 7% corroded, or 12% corroded) and type of CFRP strengthening system (EB CFRP sheets or embedded CFRP rods). The unstrengthened beams with shear link corrosion levels of 7 and 12% had shear strengths that were 11 and 14%, respectively, less than the shear strength of the ...

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Strengthening Reinforced Concrete Beams with CFRP and GFRP

Jul 13, 2014  Concrete beams were strengthened by wrapping the shear edges of the beams twice at 45° in opposite directions by either carbon fiber reinforced polymer (CFRP) or glass fiber reinforced polymer (GFRP). The study included 3 CFRP wrapped beams, 3 GFRP wrapped beams, and 3 control beams, all of which were 150 250 2200 mm and manufactured with C20 ...

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Shear Strengthening of Short Span Reinforced Concrete ...

Oct 02, 2012  This paper presents the results of a series of tests on short span reinforced concrete beams which were strengthened in shear with various arrangements of externally bonded carbon fibre reinforced polymer (CFRP) sheets. The objective of the tests was to determine the effect of changing the area and location of the CFRP sheet within the shear span. A total of fifteen 150 mm × 300 mm ×

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Modeling of reinforced concrete beams strengthened in ...

Apr 01, 2016  Numerical studies of reinforced concrete (RC) beams strengthened in shear with Carbon Fiber Reinforced Polymer (CFRP) are the topic of this paper. The aim is to validate a numerical approach, which is based on the microplane model for concrete and polymer (matrix), and to better understand the stress distribution in CFRP when the concrete crack ...

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Bukhari, A.I., Vollum, L.R., Ahmad, S. and Sagaseta, J ...

This was achieved using high strength Carbon Fiber Reinforced Polymer (CFRP) laminates bonded with epoxy four composite modify reactive powder concrete (MRPC) I-beams. Different types of section (Solid with opening) were tested to obtain the effect of amount of CFRP laminate on beams ultimate torque behavior, angle of twist and failure modes.

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Shear strengthening of reinforced concrete beams with ...

Shear strengthening of reinforced concrete beams with laminate strips of CFRP J. Barros S. Dias Dep. Enga Civil, Universidade do Minho, Campus de Azurém, 4800-058 Guimarães, Portugal ABSTRACT: A conventional and three distinct CFRP-based shear reinforcing systems were used to assess the most effective one on the shear strengthening of ...

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Experimental and Numerical Study of Shear Interface ...

Hybrid slabs made of carbon-fiber-reinforced polymer (CFRP) and concrete provide a solution that takes advantage of the strength properties of both materials. The performance of the system strongly depends on the CFRP–concrete interaction. This study investigates the shear behavior in the interface of the two materials. Eight full-scale experiments were carried out to characterize the ...

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Retrofitting of shear failed reinforced concrete beams

Use of helixes in reinforced concrete beams mid-span with propagation towards the beams beams. ACI Struct J 2002;99(2):191–8. compressive zone. The failure was not with the rup- [3] Murray J. Cyclic Loading of High Strength Reinforced Concrete ture of debonding of the CFRP sheets. The results Beams.

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Size effect of reinforced concrete beams strengthened in ...

Therefore, this study examined the size effect of the shear capacity of concrete beams strengthened in shear with externally bonded carbon fiber reinforced polymer (CFRP) sheets through an experimental program consisting of six geometrically similar RC beams with three different effective depths.

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Shear strengthening of reinforced concrete beams with ...

Shear strengthening of reinforced concrete beams with carbon fiber reinforced polymer (CFRP) under fatigue and sustained loading applications dc.contributor.advisor Ghannoum, Wassim M.

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Shear strengthening of reinforced concrete beams with bi ...

However, negligible shear strength gain was observed in beams with a/d of 1.5 (deep beams). Experimental test results demonstrate an interaction between the contribution of concrete, transverse steel and CFRP to the shear resistance of a reinforced concrete beam.

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Shear strengthening of reinforced concrete beams with CFRP ...

The experimental results show that the shear strength of the beams was significantly increased by the CFRP sheet and that it is beneficial to orientate the FRP at 45° to the axis of the beam. The shear strength of FRP strengthened beams is usually calculated by adding individual components of shear resistance from the concrete, steel stirrups ...

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Shear strengthening of reinforced concrete beams with ...

Shear strengthening of reinforced concrete beams with laminate strips of CFRP J. Barros S. Dias Dep. Enga Civil, Universidade do Minho, Campus de Azurém, 4800-058 Guimarães, Portugal ABSTRACT: A conventional and three distinct CFRP-based shear reinforcing systems were used to assess the most effective one on the shear strengthening of ...

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Shear strengthening of reinforced concrete beams with CFRP

The current paper reviews existing design guidelines for strengthening beams in shear with carbon fibre reinforced polymer (CFRP) sheets and proposes a modification to Concrete Society Technical Report TR55. It goes on to present the results of an experimental programme which evaluated the contribution of CFRP sheets towards the shear strength of continuous reinforced concrete (RC) beams.

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Shear strengthening of reinforced concrete beams with CFRP ...

Pelligrino C and Modena C (2002) Fiber reinforced polymer shear strengthening of reinforced concrete beams with transverse reinforcement. Journal of Composites for Construction 6(21): May, 104-111. Sato Y, Ueda T, Kakuta Y and Tanaka T (1996) Shear reinforcing effect of carbon fiber sheet attached to side of reinforced concrete beams.

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Shear Strengthening of Reinforced Concrete T-Beams with ...

Sixteen reinforced concrete T-beams were tested to evaluate the shear performance of beams strengthened externally with carbon fiber-reinforced polymer (CFRP) laminates and CFRP anchors.

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(PDF) Shear strengthening of reinforced concrete T-beams ...

Shear strengthening of reinforced concrete T-beams using CFRP laminates anchored with bent CFRP splay anchors December 2020 Procedia Structural Integrity 28(1):811-819

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CFRP Strengthening of Beams in Reinforced Concrete

flexural member that is part of a reinforced concrete moment frame containing rectangular openings in the shear zone, and strengthened around and inside the opening using CFRP sheets. 2. Shear Strength provided by FRP For a beam with openings strengthened using FRP sheet, the applied shear force is carried by the top and the bottom

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(PDF) Behavior of Reinforced Concrete Beams Strengthened ...

Behavior of Reinforced Concrete Beams Strengthened with Externally Bonded Hybrid Carbon Fiber–Glass Fiber Sheets By Amir Mofidi Analytical Design Model for Reinforced-Concrete Beams Strengthened in Shear Using L-Shaped CFRP Plates

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Experimental and Numerical Study of Shear Interface ...

Hybrid slabs made of carbon-fiber-reinforced polymer (CFRP) and concrete provide a solution that takes advantage of the strength properties of both materials. The performance of the system strongly depends on the CFRP–concrete interaction. This study investigates the shear behavior in the interface of the two materials. Eight full-scale experiments were carried out to characterize the ...

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Optimum Shear Strengthening of Reinforced Concrete

1 Optimum Shear Strengthening of Reinforced Concrete Beams with Prestressed Carbon Fibre Reinforced Polymer (CFRP) straps Hiran D. Yapa Dr. Janet M. Lees

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Shear Strengthening of Reinforced Concrete Beams Using ...

Technology. He tested reinforced concrete beams with and without shear strengthening reinforcement in the form of GFRP laminates epoxy-bonded to the vertical sides in the Shear Strengthening of ...

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Shear Strengthening of RC Beams with Externally Bonded ...

Mar 19, 1999  This work studies the effect of the shear strengthening of RC beams on the stress distribution, initial cracks, crack propagation, and ultimate strength. Five types of beams with different strengthening carbon-fiber–reinforced plastic sheets are used. The experimental results show that it is not necessary to strengthen the entire concrete ...

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