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Strengthening Reinforced Concrete Beams with CFRP and GFRP

Data were evaluated in terms of load displacement, bearing strength, ductility, and energy consumption. In the CFRP and GFRP reinforced beams, compared to controls, 38% and 42%, respectively, strength increase was observed. In all beams, failure-flexural stress occurred in the center as expected. Most cracking was observed in the flexural region 4.

The Use of Bolted Steel Plates for Strengthening of Reinforced Concrete Beams

2014-06-06 · 1 Paper submitted to The IES Journal Part A: Civil & Structural Engineering (Feb 2011) The Use of Bolted Steel Plates for Strengthening of Reinforced Concrete Beams and Columns . Su RKL1, Cheng B1, Wang L1, Siu WH2, Zhu Y3. 1 The University of Hong Kong, Hong Kong, China 2 Ove Arup and Partners Hong Kong Limited, Hong Kong, China 3 University of Guangzhou, Guangzhou, China

STRENGTHENING OF REINFORCED CONCRETE BEAMS WITH TEXTILE

to increase the flexural strength of reinforced concrete (RC) beams. Two different types of textiles namely carbon and Polyparaphenylene benzobisoxazole (PBO) were used as strengthening materials. The studied parameters included the type of mortar, type of strengthening material, and , number of TRM layersreinforcement ratio.

Strengthening of Reinforced-Concrete Beams in Shear with a

Oct 05, 2017 · Strengthening of Reinforced-Concrete Beams in Shear with a Fabric-Reinforced Cementitious Matrix. ... Structural strength, Concrete beams, ...

Strengthening of reinforced concrete (RC) beams with

Reinforced concrete (RC) beams which are insufficient in terms of shear and flexural capacities are strengthened by various methods. Steel and fibre reinforced polymer (FRP) plate bonding methods are very widely used in strengthening of beams. Strengthening methods such as bonding steel and FRP plates have deficiencies as corrosion, fire and ...

Strengthening of Reinforced Concrete Beams with Carbon FRP

Seven concrete beams reinforced internally with steel and externally with carbon fiber-reinforced polymer (FRP) laminate applied after the concrete had cracked were tested under four-point bending. Results show that FRP is very effective for flexural strengthening.

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Strengthening of RCC Beams in Shear using Externally Bonded FRP Strips

2020-04-20 · Strengthening of reinforced concrete beams with FRP reinforced systems (FRP plate or strips) have been utilize from around 1980s. FRP systems can be used for increasing shear strength of reinforced concrete beams by completely or partially wrapping FRP systems around reinforced concrete …

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Strengthening of Reinforced Concrete Beams with GFRCM

This paper presents the results of an experimental study conducted to investigate the effectiveness of a glass fabric reinforced cementitious matrix (GFRCM) com Title: Strengthening of Reinforced Concrete Beams with GFRCM Author(s): Rizwan Azam, Ayman Shihata, Khaled A. Soudki and Jeffrey S. West ...

(PDF) Strengthening reinforced concrete beams with CFRP and

Strengthening reinforced concrete beams with CFRP and GFRP Article (PDF Available) in Advances in Materials Science and Engineering 2014:1-8 · July 2014 with 300 Reads How we measure 'reads'

Reinforced Concrete Beam Effective Depth

Apr 14, 2020 · Effective depth of section beams aci 318 beams in reinforced cement concrete effective depth d ram concrete beam faq staad doentDefinition Of Effective Depth CheggEffective Depth Of Section Beams Aci 318What Is...

Strengthening of concrete beams using fiber-reinforced

One application of composite materials in civil engineering is examined: the strengthening of a reinforced concrete beamin situ by externally-bonded fiber reinforced plastic (FRP). Studies of the mechanical properties of the interface and the rheological behaviour of composite materials are very important to design. For the experimental determination of the mechanical properties of the ...

Analytical models to predict structural behaviour of

The strengthening of reinforced concrete members with prestressed fibre-reinforced polymer laminates has been investigated by researchers due to major improvements in member serviceability characte...

Flexural strengthening of reinforced concrete beams using

Using externally bonded (EB) carbon fiber reinforced polymer (CFRP) laminates is nowadaysa common technique to improve the flexural capacity of reinforced concrete (RC) members. The first application of bonded CFRP composites for flexural strengthening of reinforced concrete bridges took place in late 1980s (Bakis et al., 2002).

Strengthening and Rehabilitation of Reinforced Concrete Beams

Strengthening and Rehabilitation of Reinforced Concrete Beams with Opening Subhajit Mondal, J.N. Bandyapadhya, Chandra Pal Gautam International Journal of Civil and Structural Engineering Volume 2 Issue 1 2011 364 Figure 6: Load versus Deflection at Central Point of Beam Strength of rehabilitated beam

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reinforced concrete beams Related Abstracts

Four shear strength models that account for the size effect in shear are selected from the literature and applied on the datasets of slender reinforced concrete beams. Beams prepared with conventional concrete, self-compacting concrete, and recycled aggregate concrete are considered for the analysis.

Strengthening Techniques of Reinforced Concrete Beams

Strengthening of reinforced concrete beam utilizing FRP has been applied to tackle problems related to the civil infrastructure. There are various studies which demonstrate the effectiveness of different strength techniques using FRP and considerably increase both strength and stiffness of concrete element.

Strengthening and Repair of Reinforced Concrete Beams Using

Jun 06, 2013 · The experiments indicated that the beam ductility increases as the plate thickness decreases, and the anchorage of the plate to the beam through bolts or collars proves to be an efficient method for preventing the premature plate peeling failure and achieving sufficient ductility in beams strengthened with thick solid plates.

Strengthening Of Reinforced Concrete Beams

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Shear strengthening of reinforced concrete beams with CFRP

shear strength of continuous reinforced concrete (RC) beams. A total of seven, two-span concrete continuous beams with rectangular cross-sections were tested. The control beam was not strengthened, and the remaining six were strengthened with different arrangements of CFRP sheets. The experimental results show that the shear strength of

Strengthening of Reinforced Concrete Beams with Externally

Iron based shape memory alloys (Fe-SMA) have recently been used as active flexural strengthening material for reinforced concrete (RC) beams. Fe-SMAs are characterized by a shape memory effect (SME) which allows the recovery of previously induced plastic deformations through heating. If these deformations are restrained a recovery stress is generated by the SME. This recovery stress can be ...

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TRADITIONAL SOLUTIONS FOR STRENGTHENING REINFORCED CONCRETE

2010-09-09 · strengthening components for the repair and strengthening of reinforced concrete beams. The ferrocement was used, in general, to replace the damaged concrete and reinforcement (if also damaged). The experiment’s results shown that the strengthen beams presented improved cracking resistance, flexural

Strength and Ductility of Concrete Beams Reinforced with

strength provided by the carbon FRP laminates decreases. Compared to a beam reinforced heavily with steel only, beams reinforced with both steel and carbon have adequate deformation capacity, in spite of their brittle mode of failure. Clamping or wrapping of the ends of the

Flexural Strengthening of Reinforced Concrete Beams Using

strengthening concrete beams using pre-stressed FRP laminates. Proceedings of the 9th IABMAS conference, Melbourne, 09-13 July 2018. Conference Paper II Yang J., Haghani R., and Al-Emrani M. (2018). Flexural FRP Strengthening of Concrete Bridges Using an Innovative Concept. Proceedings of the 9th IABMAS conference, Melbourne, 09-13 July 2018.