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upgrading torsional resistance of reinforced concrete

upgrading torsional resistance of reinforced concrete

Upgrading Torsional Resistance of Reinforced Concrete ...

Nov 04, 2002  The reinforced concrete beams were subjected to pure torsional moments. The load, twist angle of the beam, and strains were recorded. Improving the torsional resistance of reinforced concrete beams using FRP was demonstrated to be viable.

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UPGRADING TORSIONAL RESISTANCE OF REINFORCED

UPGRADING TORSIONAL RESISTANCE OF REINFORCED CONCRETE BEAMS USING FIBER-REINFORCED POLYMER. An experimental investigation is conducted on the improvement of the torsional resistance of reinforced concrete beams using fiber-reinforced polymer (FRP) fabric. A total of 11 beams were tested.

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Upgrading Torsional Resistance of Reinforced Concrete ...

Nov 01, 2002  An experimental investigation is conducted on the improvement of the torsional resistance of reinforced concrete beams using fiber-reinforced polymer (FRP) fabric. A total of 11 beams were tested.

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(PDF) Torsional Resistance of Reinforced Concrete Girders ...

In this study, a three dimensional finite element analysis was utilized to study the behavior of reinforced concrete T-girders with and without web openings under pure torsion by using ANSYS APDL 15.0 program. Fourteen reinforce concrete T-girders

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Torsional improvement of reinforced concrete beams using ...

Mar 01, 2016  Torsional upgrading of deficient RC beams without transverse reinforcement using UHPFC jacketing technique (4-sided, 3-sided and 2-sided) was evaluated. ... Upgrading torsional resistance of reinforced concrete beams using fiber-reinforced polymer. J. Compos. Constr., 6 (4) (2002), pp. 257-263.

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Torsional Resistance of Reinforced Concrete Girders with ...

of composite materials like glass fiber or carbon fiber reinforced polymer called GFRP or CFRP, Venugopal, 2014. 2. BACKGROUND Daniel and McMullen, 1977, presented in their paper a method for predicting the torsional strength of a concrete beam that contains an opening and is reinforced both longitudinal and transversely.

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Torsion Strengthening of RC Beams using CFRP - Rhino

Upgrading Torsional Resistance of Reinforced Concrete Beams Using Fiber-Reinforced Polymer. Journal of Composites for Construction. Michael P. Collins, D. M. (n.d.). Shear and Torsion Design of Prestressed and Non-Prestressed Concrete Beams. Toronto, Ontario Montreal, Quebec: pci.

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

Jul 18, 2021  Many existing reinforced concrete (RC) members are found to be deficient in shear strength and need to be repaired. ... A. Ghobarah, M.N. Ghorbel, S.E. Chidiac, Upgrading Torsional Resistance

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

Jul 18, 2021  adhesives and anchorages to strengthen rein forced concrete (RC) beam members. RC beams are designed to provide resistance. against flexure, shear, torsion

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Behavior of FRP Strengthened Reinforced Concrete Beams ...

Apr 02, 2007  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

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Behavior of Reinforced Concrete Beams with effect of ...

"Torsional behavior of reinforced concrete beams strengthened with FRP composites." In First FIB Congress, Osaka, Japan, vol. 1, pp. 01-110. 2002. Arun Kumar,U., Bhargavi ,V., Raghava Rao ,E. “Study of Torsional Behavior of Rectangular Reinforced Concrete Beams Wrapped With GFRP International Journal of Research Publications In Engineering ...

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Structural Performances of Concrete Beams with Hybrid ...

Mar 20, 2001  The paper analyzes the structural behavior of concrete beams reinforced with hybrid fiber-reinforced polymer (FRP)-steel reinforcements. The analysis refers to concrete beams reinforced with FRP rebars placed near the outer surface of the tensile zone, with low cover thickness values, and steel rebars placed at the inner level of the tensile zone, with high cover thickness values, able to ...

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Mechanical Resistance of Steel Fiber Reinforced Concrete ...

New experimental data make it possible to start with the synthesis of a steel fiber reinforced concrete (SFRC) load resistance model. Four stages are considered: the elastic stage, the stage of closed isolated crack development, and the stages of through-crack development in the absence of fiber ruptures and in their presence.

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Rehabilitation Of Concrete Structures

safety engineering Analytical approach to fracture and failure Load and resistance factor rating (LRFR) ... The in situ rehabilitation or upgrading of reinforced concrete members using bonded steel plates is an effective, convenient, and economic method of improving structural performance. ... and sections on shear and torsion stress, axial ...

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Rehabilitation of reinforced concrete slabs using steel

Jul 19, 2021  "Behavior of Reinforced Concrete Beams Strengthened by GFRP Composites Subjected to Combined Bending and Torsion -Experimental Study." Engineering Research Journal, 5, 44, no. 3

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

The load deflection behavior of reinforced concrete beams with circular opening decreases the load carrying capacity to 50% as compared to control beam as shown in fig-7 C.Effect of strengthening of beams with PVA fibre and steel plates Fig 1011shows the comparison of ultimate load and deflection of reinforced concrete beams with openings, PVA ...

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Lecture notes Concrete structures 2 - 2021 - StudeerSnel

Apr 13, 2021  In punching shear: A part of the component of concrete resistance is still included vRd,s- +0.75*vRd,c=vEd. Because of not proper anchoring, vRd,s has to be reduced by 25%. Upper limit of punching shear resistance at u 1. When maximum of concrete resistance is reached vRd,cs lt; kmax*vRd,c. kmax = 1.6 (EC,NL)

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Torsional improvement of reinforced concrete beams using ...

Mar 01, 2016  Torsional upgrading of deficient RC beams without transverse reinforcement using UHPFC jacketing technique (4-sided, 3-sided and 2-sided) was evaluated. ... Upgrading torsional resistance of reinforced concrete beams using fiber-reinforced polymer. J. Compos. Constr., 6 (4) (2002), pp. 257-263.

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Torsional resistance of high-strength concrete beams

The design of reinforced concrete beams sub-jected to pure torsion according to the AS3600 is based on the space truss model, and does not operate with a variable wall-thickness dependent on the con-crete strength and the degree of reinforcement. Ac-cording to the torsion provision of AS3600, the ul-timate strength of a reinforced concrete beam is

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TORSIONAL STRENGTHENING OF REINFORCED CONCRETE

Evaluations were conducted on the different wrapping configurations; both the control and the strengthened reinforced concrete beams were subjected to pure torsional moments; and the load, twist angle of the beam and strains were recorded. The results demonstrate the viability of the upgrading of the torsional resistance of RC beams using FRP.

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(PDF) Torsional Strengthening of Reinforced Concrete Beams ...

‫‪TORSIONAL STRENGTHENING OF REINFORCED‬‬ ‫‪CONCRETE BEAMS USING CFRP SHEETS‬‬ ‫‪Mahmoud M. El-Kateb1, Amr A. Abdel Rahman2, Tarek K. Hassan3‬‬ ‫‪1‬‬ ‫‪Graduate student, 2 Professor, 3 Professor‬‬ ‫‪Structural engineering dept., Faculty of Engineering, Ain Shams University, Cairo, Egypt‬‬ ‫اﻟﻣﻠﺧص اﻟﻌرﺑﻰ‬ ‫ﻗد ...

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Torsional Capacity of CFRP Strengthened Reinforced ...

Feb 01, 2007  Upgrading Torsional Resistance of Reinforced Concrete Beams Using Fiber-Reinforced Polymer Journal of Composites for Construction October 2002 Flexural Behavior of Reinforced Concrete Beams Strengthened with CFRP Sheets and Epoxy Mortar

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Torsional Strengthening of RC Beams Using GFRP Composites ...

Jun 08, 2016  In this work an experimental investigation on the improvement of the torsional resistance of reinforced concrete beams using Glass Fiber Reinforced Polymer (GFRP) is presented. Total 24 RC beams have been cast in this work. Ten beams of dimension 150 mm × 150 mm × 1300 mm are subjected to pure torsion while fourteen beams of 150 mm × 150 mm ...

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Torsional strengthening of rectangular and flanged beams ...

Jan 01, 2008  Upgrading torsional resistance of reinforced concrete beams using fiber-reinforced polymer J Compos Constr ASCE , 6 ( 4 ) ( 2002 ) , pp. 257 - 263 View Record in Scopus Google Scholar

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Torsion Of Reinforced Concrete Beams

analyzing a reinforced concrete member. In the second part we will present the results of the experiments made on 15 reinforced concrete and unreinforced concrete beams loaded by pure torsion, and compare the results obtained by the above mentioned methods with the results calculated by Eurocode2 and the Hungarian Code.

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Behavior of Reinforced Concrete Beams with effect of ...

"Torsional behavior of reinforced concrete beams strengthened with FRP composites." In First FIB Congress, Osaka, Japan, vol. 1, pp. 01-110. 2002. Arun Kumar,U., Bhargavi ,V., Raghava Rao ,E. “Study of Torsional Behavior of Rectangular Reinforced Concrete Beams Wrapped With GFRP International Journal of Research Publications In Engineering ...

get price

Structural Performances of Concrete Beams with Hybrid ...

Mar 20, 2001  The paper analyzes the structural behavior of concrete beams reinforced with hybrid fiber-reinforced polymer (FRP)-steel reinforcements. The analysis refers to concrete beams reinforced with FRP rebars placed near the outer surface of the tensile zone, with low cover thickness values, and steel rebars placed at the inner level of the tensile zone, with high cover thickness values, able to ...

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BEHAVIOURAL MODEL OF FRP STRENGTHENED REINFORCED

Reinforced Concrete Laboratory, Greece. Email: [email protected] ABSTRACT The present study addresses an analytical method for the prediction of the entire torsional behaviour of reinforced concrete (RC) beams strengthened with externally bonded fibre-reinforced-polymers (FRP) materials.

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(PDF) Torsion in concrete beams reinforced with GFRP ...

Torsion in concrete beams reinforced with GFRP spirals. M. Gouda. Related Papers. Exploring GFRP bars as reinforcement for rectangular and L-shaped beams subjected to significant torsion: An experimental study. By Ahmed Deifalla. Analytical model for the torsional behaviour of reinforced concrete beams retrofitted with FRP materials.

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Torsional Strengthening of Reinforced Concrete Beams with ...

The impacts of numerous important factors on the Energy Absorption (EA) of torsional Reinforced Concrete (RC) beams strengthened with external FRP is the main purpose and innovation of the current research. A total of 81 datasets were collected from previous studies, focused on the investigation of

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Mechanical Resistance of Steel Fiber Reinforced Concrete ...

New experimental data make it possible to start with the synthesis of a steel fiber reinforced concrete (SFRC) load resistance model. Four stages are considered: the elastic stage, the stage of closed isolated crack development, and the stages of through-crack development in the absence of fiber ruptures and in their presence.

get price