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Flexural strengthening of concrete beams using CFRP GFRP

Flexural strengthening of concrete beams using CFRP GFRP

Flexural strengthening of concrete beams using CFRP, GFRP ...

Dec 01, 2012  Beam strengthening consists in using a configuration scheme with unidirectional GFRP or CFRP fabric (Serial A), the choice is based on the tensile properties of the materials (as shown in Table 2), the three configurations scheme have a similar ultimate equivalent load. for (Serial B) we used bidirectional fabric, This configuration was ...

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Flexural strengthening of concrete beams using CFRP, GFRP ...

A total of seven flexural strengthened reinforced concrete beams are instrumented and tested under repeated loading sequences using a 4-point bending device to complete a failure analysis. The results for strength, stiffness, ductility and failure modes are discussed for the various strengthening

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Flexural strengthening of concrete beams using CFRP, GFRP ...

Flexural strengthening of concrete beams using CFRP, GFRP and hybrid FRP sheets is studied [8]. GFRP was recognized to be a good material for strengthening because of its high deformability, good ...

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FLEXURAL STRENGTHENING OF REINFORCED CONCRETE BEAM

RESEACH METHODOLOGY.Theoretical method using ACI 440 2R-02 [7] and P. Mukhopadhyaya et.al [2] were used to compare loads carrying capacity obtained from experiment and to get interface shear stress at the end of strehgnhening GFRP beams. Strengthening Process of Beams.When age of beam was 21 days, strengthening process of beams was done.

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Flexural Strengthening of Reinforced Concrete Beams Using ...

Flexural FRP Strengthening of Concrete Bridges Using an Innovative Concept. Proceedings of the 9th IABMAS conference, Melbourne, 09-13 July 2018. Conference Paper III Yang J., Haghani R., and Al-Emrani M. (2017). Flexural strengthening of reinforced concrete beams using externally bonded FRP laminates prestressed with a new method.

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Flexural strengthening of RC Beams with low-strength ...

Flexural strengthening of RC Beams with low-strength concrete using GFRP and CFRP They have figured out that JFRP, CFRP and GFRP, strengthening improved the ultimate flexural

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Flexural strengthening of concrete beams with CFRP - Rhino

A.F Ashour, “Flexural strengthening of RC continuous beams using CFRP laminates,” Cement and Concrete Composites, pp. 765-775, 2004. CI440, Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures, Michigan, USA: American Concrete

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Flexural strengthening of reinforced concrete beam using a ...

Nov 16, 2020  10%  Alam A, Nouri K, Jumaat MZ, Muda ZC, Flexural strengthening of reinforced concrete beam using jute rope composite plate, In: 3rd Natl. Grad. Conf., 2015. 21. Alam MA, Al Riyami K (2018) Shear strengthening of reinforced concrete beam using natural fibre reinforced polymer laminates. Constr Build Mater 162:683–696.

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FLEXURAL STRENGTHENING OF REINFORCED CONCRETE BEAM USING ...

RESEACH METHODOLOGY.Theoretical method using ACI 440 2R-02 [7] and P. Mukhopadhyaya et.al [2] were used to compare loads carrying capacity obtained from experiment and to get interface shear stress at the end of strehgnhening GFRP beams. Strengthening Process of Beams.When age of beam was 21 days, strengthening process of beams was done.

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Flexural strengthening of reinforced concrete beams using ...

Flexural strengthening of reinforced concrete beams using ... In the third beam, B3, the CFRP laminate was prestressed using the new stepwise prestressing method. The same CFRP plate (StoFRP IM 80 C) was used in specimen B2 and B3. The average ... CFRP, a 10-mm-thick GFRP plate was used as a medium. The GFRP plate was manufactured

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Flexural Strengthening of Reinforced Concrete Beams Using ...

The beams were grouped in five groups as follows: “Group A” represented the control beam specimen (CF_0) without strengthening, “Group B” contained two beams strengthened by one (FT_1) and two (FT_2) layers of traditional CFRP application; i.e., externally-bonded CFRP (EBR) on non-grooved concrete surface.

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Flexural strengthening of reinforced concrete beams using ...

May 01, 2009  Free Online Library: Flexural strengthening of reinforced concrete beams using GFRP composites.(glass fiber reinforced polymer, Report) by "International Journal of Applied Engineering Research"; Engineering and manufacturing Concrete beams Materials Mechanical properties Fiber reinforced composites Usage Glass fibers Hardening (Curing) Methods Laminated materials Laminates

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Flexural Strengthening of RC Continuous T-Beams Using CFRP

Externally bonded carbon fiber reinforced polymer (CFRP) sheets are considered as an effective technique for strengthening and repairing reinforced concrete (RC) beams [1,2].The need to strengthen concrete structures for shear or flexure may arise because of initial design or construction errors, design code updates, deterioration during service life, fires, or earthquakes.

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Flexural Strengthening of RC Beams Using Steel Reinforced ...

(b). Unlike GFRP and CFRP materials, the SRP showed a somewhat nonlinear stress-strain response, as shown in Fig. 2 (c). Concrete and Steel Reinforcement -- The 28 day specified concrete strength was 39.4 MPa and the concrete strength at the time of beam testing was 46.2 MPa. The flexural

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Predicting Flexural Capacity of Concrete Beams Reinforced ...

work, therefore, looks at the behavior of the flexural behavior of concrete beams reinforced with GFRP rebars and strengthened with CFRP sheets. The contribution of the reinforcement and strengthening system on the load carrying capacity of such systems is also studied. 2. Materials and Methods

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Numerical flexural strengthening investigation of timber ...

The experimental results showed that using the self-anchored prestressed CFRP significantly improved the flexural performance of the strengthened beam in terms of bending stiffness, crack widths ...

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Comparative study on the flexural strengthening of RC ...

Nov 26, 2020  Attari, N, Amziane, S, Chemrouk, M (2017) Flexural strengthening of concrete beams using CFRP, GFRP and hybrid FRP sheets. Construction and Building Materials 37: 746 – 757. Google Scholar Crossref

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Flexural strengthening of RC continuous T beam using CFRP ...

Flexural strengthening of RC continuous T beam using CFRP laminate: A review M. Z. Jumaat, M. M. Rahman* and M. A. Alam Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia. Accepted 27May, 2010 Although a great deal of research has been carried out on simply supported reinforced concrete (RC)

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Research Paper SHEAR STRENGTHENING OF DIFFERENT

compression side. Schematic diagram of the flexural strengthening of beam is as shown below: Fig 1: Flexural strengthening of beam-ISSN 290-294 strengthened. . As major ted regions s is often strengthened . Plastic hence is attack of , FRP an external . 2. Shear Strengthening Shear force is tensile in nature. It creates concrete.

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Flexural strengthening of reinforced concrete beams using ...

Five large-scale reinforced concrete beams were tested: one control, one strengthened with nonprestressed NSM CFRP bars, and three strengthened with NSM CFRP bars prestressed to 20%, 40%, and 60% of the ultimate strength of the CFRP. The flexural behavior of the prestressed concrete beams is compared with the nonprestressed beam and the control.

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Flexural behaviour of GFRP reinforced high strength and ...

Faza and GangaRao [15] investigated the flexural . 106 . behaviour of GFRP-RC beams and reported that the use of higher strength concrete was . 107 . fundamental to exploit the high tensile strength of the GFRP reinforcement bars. Also, Nanni . 108 [16] found that the flexural strength of beams reinforced with FRP bars was highly sensitive to

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Flexural strengthening of RC Beams with low-strength ...

Before these Codes, especially 1998, reinforced concrete (RC) beams with low flexural and shear strength were widely used in the building. In this study, the RC specimens have been produced by taking into consideration the RC beams with insufficient shear and tensile reinforcement having been manufactured with the use of concrete with low strength.

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Flexural strengthening of reinforced concrete beams using ...

Five large-scale reinforced concrete beams were tested: one control, one strengthened with nonprestressed NSM CFRP bars, and three strengthened with NSM CFRP bars prestressed to 20%, 40%, and 60% of the ultimate strength of the CFRP. The flexural behavior of the prestressed concrete beams is compared with the nonprestressed beam and the control.

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Flexural strengthening of reinforced concrete beams using ...

Flexural strengthening of reinforced concrete beams using prestressed, near-surface-mounted CFRP bars Raafat El-Hacha and Mohamed Gaafar The use of near-surface-mounted (NSM) carbon-fiber-reinforced polymer (CFRP) reinforcement is emerging as a promising strengthening

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Flexural strengthening of RC continuous T beam using CFRP ...

Flexural strengthening of RC continuous T beam using CFRP laminate: A review M. Z. Jumaat, M. M. Rahman* and M. A. Alam Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia. Accepted 27May, 2010 Although a great deal of research has been carried out on simply supported reinforced concrete (RC)

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New Proposal for Flexural Strengthening of Reinforced ...

The purpose of this study was to evaluate the performance of a novel strengthening system using T-shaped carbon fiber reinforced polymer (CFRP) profiles. The proposed system successfully combines the advantages of two established strengthening techniques, namely the near surface mounted (NSM) and externally bonded (EB) methods. The paper presents the experimental results of structural tests ...

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Flexural behaviour of GFRP reinforced high strength and ...

Faza and GangaRao [15] investigated the flexural . 106 . behaviour of GFRP-RC beams and reported that the use of higher strength concrete was . 107 . fundamental to exploit the high tensile strength of the GFRP reinforcement bars. Also, Nanni . 108 [16] found that the flexural strength of beams reinforced with FRP bars was highly sensitive to

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Flexural strengthening of RCC beams using FRPs and ...

Jul 01, 2020  This paper deals with a comparative study among three different rehabilitation techniques, namely, (i) carbon fibre reinforced polymer (CFRP), (ii) glass fibre reinforced polymer (GFRP) and (iii) ferrocement on the flexural strengthening of reinforced cement concrete (RCC) beams. As these different techniques have to be compared on a level playing field, tensile coupon tests have been

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Comparative study on the flexural strengthening of RC ...

Nov 26, 2020  Attari, N, Amziane, S, Chemrouk, M (2017) Flexural strengthening of concrete beams using CFRP, GFRP and hybrid FRP sheets. Construction and Building Materials 37: 746 – 757. Google Scholar Crossref

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Flexural Behavior of Fiber-Reinforced-Concrete Beams ...

indicates the rebar type, CFRP or GFRP. Details of the specimens are shown in Table 1. Test Setup and Procedures Beams were subjected to a four-point flexural testing, as shown in Fig. 2. Beams were instrumented with three LVDTs in the testing region (pure bending region) to monitor the mid-span deflection and determine the curvature. FRP ...

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Numerical flexural strengthening investigation of timber ...

The experimental results showed that using the self-anchored prestressed CFRP significantly improved the flexural performance of the strengthened beam in terms of bending stiffness, crack widths ...

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Research Paper SHEAR STRENGTHENING OF DIFFERENT

compression side. Schematic diagram of the flexural strengthening of beam is as shown below: Fig 1: Flexural strengthening of beam-ISSN 290-294 strengthened. . As major ted regions s is often strengthened . Plastic hence is attack of , FRP an external . 2. Shear Strengthening Shear force is tensile in nature. It creates concrete.

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Flexural performance evaluation of NSM basalt FRP ...

However, CFRP NSM strengthened beams mostly exhibited a brittle failure mode. Sev-eral researchers have investigated the use of glass FRP (GFRP) in NSM applications. Sharaky et al. [18] strengthened reinforced con-crete (RC) beam specimens with a clear span of 2400 mm using NSM CFRP or GFRP bars and tested under four-point bending

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Flexural behavior of corroded reinforced concrete beam ...

Nov 27, 2020  Sen, T, Jagannatha Reddy, HN (2013) Strengthening of RC beams in flexure using natural jute fibre textile reinforced composite system and its comparative study with CFRP and GFRP strengthening systems. International Journal of Sustainable Built Environment 2: 41 – 55. Google Scholar Crossref

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Art-of-review on CFRP Wrapping to Strengthen Compressive ...

Mar 03, 2019  Strengthening reinforced concrete beams using fiber reinforced polymer (FRP) laminates. ACI Structural Journal, 188(8): 865-874. [5] Heffernan, P.J., Erki, M.A. (1996). Equivalent capacity and efficiency of reinforced concrete beams strengthened with

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Impact of the Type and Number of Composite Layers in ...

Shearing strengthening of the reinforced concrete voided slabs using CFRP and GFRP fibers and steel laminates [4]. This research [4] has studied the flexural behaviour of the voided reinforced concrete slabs strengthened using different types of FRP and steel lamintes and laboratory samples.

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