strengthening of reinforced concrete beams subjected to
Welcome to Cina Charm

strengthening of reinforced concrete beams subjected to .

Strengthening of reinforced concrete beams subjected to ...

2015-10-10  The proposed techniques to repair concrete members such as steel plates, fiber-reinforced polymers or concrete have important deficiencies in adherence and durability. The use of ultra high performance fiber concrete (UHPFC) can overtake effectively these problems. In this paper, the possibility of using UHPFC to strengthen reinforced concrete beams under torsion is investigated.

Get Price

Strengthening of reinforced concrete beams subjected to ...

The use of a jacket made of fiber reinforced concrete with tensile hardening behavior for strengthening RC beams is investigated by means of full-scale tests on 4.55m long beams.

Get Price

Strengthening of Reinforced Concrete Beam Subjected to ...

This research investigates the behaviour of non-engineered reinforced concrete (RC) beams strengthened with embedded steel bars. Two RC beams, namely control beam (Beam-A) and strengthened beam (Beam-B) were fabricated and tested under shear loading. Beam-B was strengthened with four 12 mm steel bars embedded in the core of the concrete beam.

Get Price

(PDF) Strengthening of reinforced concrete beams in ...

2021-7-17  "Behavior of Reinforced Concrete Beams Strengthened by GFRP Composites Subjected to Combined Bending and Torsion -Experimental Study." Engineering Research Journal, 5, 44,

Get Price

Strengthening of Reinforced Concrete Slab- Column ...

2016-5-23  Over the last few years, the use of FRP for strengthening of concrete structures has been investigated by many researchers, whichconcerning with the strengthening of reinforced concrete slabs, beams and columns. The use of FRP in strengthening concrete slabs in flexure is done by bonding it to the tension face of the slabs.

Get Price

(PDF) Strengthening of Reinforced Concrete Slab-Column ...

Over the last few years, the use of FRP for strengthening of concrete structures has been investigated by many researchers, whichconcerning with the strengthening of reinforced concrete slabs,...

Get Price

(PDF) Strengthening of reinforced concrete beams by

The strength and ductility of RC beams can be improved via FRP strengthening techniques with a combination of fibers. The overall strength of FRP composites in RC beams is controlled by fiber type,...

Get Price

(PDF) Strengthening of reinforced concrete beams with

2021-7-17  The experimental program included testing of 10 reinforced concrete beams, five of which were strengthened with FRP sheets around the opening, four were tested without strengthening, and

Get Price

Strengthening of reinforced concrete beams using ultra ...

2016-1-1  Lampropoulos A, Paschalis S, Tsioulou O, Dritsos S. Strengthening of existing reinforced concrete beams using ultra high performance fibre reinforced concrete. In: International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR), Leipzig, Germany, 5–7 October 2015.

Get Price

Strengthening of reinforced concrete prismatic and ...

2020-11-1  An experimental study is presented where eight reinforced concrete beams (two prismatic and six haunched) previously designed and tested to fail in shear with substantial damage were repaired. The strengthening technique used was external beam jacketing, consisting of a light-gauge steel wired mesh covered with a 2 cm thick grout.

Get Price

Strengthening of reinforced concrete beams subjected to ...

The proposed techniques to repair concrete members such as steel plates, fiber-reinforced polymers or concrete have important deficiencies in adherence and durability. The use of ultra high performance fiber concrete (UHPFC) can overtake effectively these problems. In this paper, the possibility of using UHPFC to strengthen reinforced concrete beams under torsion is investigated.

Get Price

Strengthening of Reinforced Concrete Beam Subjected to ...

This research investigates the behaviour of non-engineered reinforced concrete (RC) beams strengthened with embedded steel bars. Two RC beams, namely control beam (Beam-A) and strengthened beam (Beam-B) were fabricated and tested under shear loading. Beam-B was strengthened with four 12 mm steel bars embedded in the core of the concrete beam.

Get Price

Behavior of FRP Strengthened Reinforced Concrete Beams ...

The area of torsional strengthening however has not been as popular. This paper presents the results of an experimental investigation together with a numerical study on reinforced concrete beams subjected to torsion that are strengthened with FRP wraps in a variety of configurations.

Get Price

Experimental investigation on strengthening of reinforced ...

2021-1-1  The beam specimens were subjected to four-point bending test. The result shows that the reinforced concrete beam with GFRP increases the strength, deformed capacity, ductility and composite action until failure than conventional reinforced concrete beam . Another study has been done in reinforced concrete beams with GFRP laminates.

Get Price

LATERAL LOAD RESPONSE OF STRENGTHENED

1999-11-25  repair and strengthening of beam-column joints damaged by severe earthquakes. Seven exterior reinforced concrete subassemblages were subjected to a series of cyclic lateral loads to simulate severe earthquake damage. The specimens were then repaired and strengthened by jacketing according to UNIDO Manual guidelines.

Get Price

Assessment of the behavior of reinforced concrete beams ...

2018-2-10  Rehabilitation of weak and damaged structures has been considered widely during recent years. A relatively modern way of strengthening concrete components is to confine parts under tension and shear by means of carbon fiber reinforce polymer (CFRP). This way of strengthening due to the conditions of composite materials such as light weight, linear elastic behavior until failure point, high ...

Get Price

Fiber-Reinforced Polymer Strengthening of Steel Beams ...

Fiber Reinforced Polymer Shear Strengthening of Reinforced Concrete Beams with Transverse Steel Reinforcement Journal of Composites for Construction April 2002 Experimental Study on the Flexural Behavior of RC Beams Strengthened with Steel-Wire Continuous Basalt Fiber Composite Plates

Get Price

Retrofitting and Strengthening of Reinforced Concrete ...

2019-7-1  investigated strengthening reinforced concrete beams using concrete layer, reinforced concrete layer and steel plates. Thirty-nine 100x150x1100 mm reinforced concrete beams were cast. Three control beams were tested. The other thirty six beams were divided into three groups according to strengthening materials and method.

Get Price

Strengthening of reinforced concrete prismatic and ...

2020-11-1  The repaired beams were part of an experimental program devoted to study the mechanics of reinforced concrete haunched beams (RCHB) failing in shear with and without shear reinforcement under monotonic static loading [], that were heavily overeinforced in flexure (Fig. 3, Fig. 4, Fig. 5).As the aim of the original described research was to understand the strength and mechanics in shear near a ...

Get Price

Failure Analysis of Reinforced Concrete Beams Subjected

In order to investigate deformation and failure of reinforced concrete beams subjected to combined actions of explosion and post-explosion fire, A three-dimensional numerical approach was developed with finite element software ABAQUS. And the numerical approach consists of three steps: quasi-static analysis, explicit dynamic analysis and sequentially coupled thermal stress analysis.

Get Price

Strengthening of reinforced concrete beams subjected to ...

The proposed techniques to repair concrete members such as steel plates, fiber-reinforced polymers or concrete have important deficiencies in adherence and durability. The use of ultra high performance fiber concrete (UHPFC) can overtake effectively these problems. In this paper, the possibility of using UHPFC to strengthen reinforced concrete beams under torsion is investigated.

Get Price

(PDF) The efficiency of using CFRP as a strengthening ...

Some structures may be subjected to blast loading while in service. This may cause damage or failure to the structural elements. This paper examines the performance of reinforced concrete beams using carbon fiber reinforced polymer (CFRP) when

Get Price

Behavior of FRP Strengthened Reinforced Concrete Beams ...

The area of torsional strengthening however has not been as popular. This paper presents the results of an experimental investigation together with a numerical study on reinforced concrete beams subjected to torsion that are strengthened with FRP wraps in a variety of configurations.

Get Price

The efficiency of using CFRP as a strengthening technique ...

Some structures may be subjected to blast loading while in service. This may cause damage or failure to the structural elements. This paper examines the performance of reinforced concrete beams using carbon fiber reinforced polymer (CFRP) when subjected to blast loading. The experimental data including damage and deflection were collected from a previous investigation and numerical analysis ...

Get Price

Shear strengthening of reinforced concrete beams ...

2017-12-8  Reinforced concrete beams need to be strengthened when they are insufficiently reinforced in shear and become subjected to higherloads, orwhen theirshearcapacitiesfall below theirflexural capacity after flexural strengthening. Shear failure should be avoided because of its brittle and unpredictable nature. The

Get Price

(PDF) Behaviour of reinforced concrete beams

It is observed that when the strengthened beams are subjected to monotonic loading, the increase in ultimate load carrying capacity is marginal but the increase in ductility is 84.5% and the increase in energy absorption is 162% compared with un-strengthened beam. Reinforced concrete beams strengthened with basalt reinforced concrete were also ...

Get Price

Strengthening of Reinforced Concrete Beam (RC Beam)

2018-3-3  Strengthening of RCC beams. The need for strengthening a reinforced concrete beam or a number of beams in a structure is usually caused by problems due to degradation of characteristics of materials with time, reduction in cross section,

Get Price

Shear Strengthening of Prestressed Concrete Beams with ...

Shear Strengthening of Prestressed Concrete Beams ... in practice for strengthening of concrete structures -reinforced or prestressed, various factors limit ... Figure 1.6 Stress in a segment of concrete; a) a beam subjected to four- point bending; b) and c)

Get Price

Torsional Strengthening of RC Beams with Near-Surface ...

2020-3-18  The strength of reinforced concrete members can be enhanced by using the externally bonded reinforcement (EBR) and near-surface mounted (NSM) methods. However, very few studies have adopted the NSM method for torsional strengthening. Although previous studies have reported the efficacy of using epoxy-resin-bonded NSM steel bars in increasing the flexural and shear strength of RC beams

Get Price

Numerical Investigation of Shear Behavior of RC T-beams ...

2 天前  This paper proposes numerically different strengthening techniques for reinforced concrete (RC) T-beams based on finite element analysis (FEA), in which ultra high performance fiber reinforced ...

Get Price
Copyright © 2021.Cina Charm All rights reserved.Cina Charm