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influence of gfrp confinement of reinforced concrete

influence of gfrp confinement of reinforced concrete

Influence of GFRP Confinement of Reinforced Concrete ...

01/01/2015  It was possible to quantify the influence of the GFRP jackets in the solution uptake and on the corrosion of the steel reinforcement. The results showed a delay on the diffusion of the solution into concrete due to the presence of the GFRP, which allowed that the bars remained in a passive state for longer immersion periods. The GFRP barrier lowered the rate of uptake of the solution and the ...

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(PDF) Influence of GFRP Confinement of Reinforced Concrete ...

25/01/2014  The present investigation is primarily aimed to study the effects of confinement of Glass fibre reinforced polymer (GFRP) and specimen size on the recycled aggregate concrete

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Influence of GFRP Confinement of Reinforced Concrete ...

Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in a Salt Water Environment B. Sena da Fonseca1; A. S. Castela2; Manuel A. G. Silva3; R. G ...

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Influence of GFRP Confinement of Reinforced Concrete ...

AbstractThis paper concentrates on the changes on the corrosion rate of the steel bars of RC columns due to their wrapping with glass fiber–reinforced polymers (GFRPs). RC cylindrical laboratorial specimens, both unwrapped and wrapped with GFRP, were immersed in a sodium chloride solution for 20 months. The changes on concrete resistivity and the corrosion process were followed by open ...

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Influence of GFRP Confinement of Reinforced Concrete ...

Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in Salt Water Environment. The present study concentrates on the changes on the corrosion rate of the steel bars of reinforced concrete (RC) columns due to their wrapping with glass fiber reinforced polymers (GFRP). RC cylindrical laboratorial specimens, both unwrapped and wrapped with GFRP,

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Influence of GFRP Confinement of Reinforced Concrete ...

This paper concentrates on the changes on the corrosion rate of the steel bars of RC columns due to their wrapping with glass fiber-reinforced polymers (GFRPs). RC cylindrical laboratorial specimens, both unwrapped and wrapped with GFRP, were immersed in a sodium chloride solution for 20 months. The changes on concrete resistivity and the corrosion process were followed by open potential ...

get price

Influence of GFRP Confinement of Reinforced Concrete ...

This paper concentrates on the changes on the corrosion rate of the steel bars of RC columns due to their wrapping with glass fiber-reinforced polymers (GFRPs). RC cylindrical laboratorial specimens, both unwrapped and wrapped with GFRP, were immersed in a sodium chloride solution for 20 months. The changes on concrete resistivity and the corrosion process were followed by open potential ...

get price

Influence of GFRP Confinement of Reinforced Concrete ...

Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in a Salt Water Environment This paper concentrates on the changes on the corrosion rate of the steel bars of RC columns due to their wrapping with glass fiber–reinforced polymers (GFRPs). RC cylindrical laboratorial specimens, both unwrapped and wrapped with GFRP, were immersed in a

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Structural behavior of GFRP reinforced concrete columns ...

01/03/2018  Meanwhile, it is observed that the GFRP reinforced concrete column possess a ductile failure mode, which indicates that the GFRP spirals can provide an effective confinement to the concrete core even in high chloride environment for a prolonged time. Such findings provide solid evidence to the feasibility and application of GFRP reinforced concrete in the offshore structures or

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Behavior and Performance of GFRP Reinforced Concrete ...

To evaluate the confinement effectiveness of GFRP reinforced concrete columns, the basic approach from conventionally reinforced concrete was used. In general, the maximum confined strength was subtracted by the unconfined strength of test specimens. The ratio between the resultant and the confined pressure provided by the lateral reinforcement defines the coefficient of confinement ...

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Influence of Concrete Strength on Confinement ...

This article reports on a study of the confinement effectiveness of circular fiber-reinforced polymer (FRP) jackets for axial members with unconfined concrete strength ranging from 26 to 81 MPa. The study included two large-scale concrete-filled FRP tubes and 59 plain and FRP-wrapped concrete cylinders. The cylinders were wrapped with one layer of glass FRP (GFRP) sheet, two layers of GFRP ...

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Behavior of GFRP bar reinforced geopolymer concrete filled ...

For GFRP bar reinforced concrete filled GFRP tube specimens, the GFRP bars were tied with two steel hoops one at the top and at the bottom to keep the bars at the same distance from each other. The diameter of the round steel bar used to prepare the steel hoop was 6 mm. Steel hoops were placed so as to avoid any addition to strength. Also a plastic template with holes of the size of GFRP bar ...

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Compressive Strength of FRP-Reinforced and Confined ...

18/01/2021  Tobbi et al. explored the structural behavior of RC columns reinforced with GFRP bars and portrayed that the lateral GFRP ties provide an effective lateral confinement to the concrete core. When the vertical spacing of GFRP ties was reduced from 120 to 80 mm, an improvement of 20% occurred in the CS of RC columns reinforced with GFRP bars. After studying the structural behavior of GFRP

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Compressive Behavior of Concrete Confined with GFRP Tubes ...

The spirally reinforced column is an important practical example of the use of concrete under three-dimensional compression [] and the post-peak behavior of concrete confined with SR has been demonstrated to be very ductile [1,31].The final failure of FRP-confined concrete corresponding to the rupture of FRP is very sudden and explosive [3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23 ...

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Numerical Simulations of GFRP-Reinforced Columns Having ...

09/10/2020  The present investigation aims to propose a numerical model for assessing the complex damaging response of glass fiber-reinforced polymer- (GFRP-) reinforced concrete columns having hybrid fibers and confined with GFRP spirals (GFHF columns) under concentric and eccentric compression. Fiber-reinforced concrete (FRC) consists of polyvinyl alcohol fibers (PVA) and

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The Influence of the Effective Moment of Inertia on the ...

Enio Deneko, Anjeza Gjini-The Influence of the Effective Moment of Inertia on the Deflection of FRP Reinforced Concrete Members EUROPEAN ACADEMIC RESEARCH - Vol. III, Issue 4 / July 2015 3741 based on a lot of test results. In the paper, is elaborated a numerical example to check the deflection of a FRP-RC based on these equations of different code provisions and models, used for predicting ...

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Influence of GFRP Confinement of Reinforced Concrete ...

This paper concentrates on the changes on the corrosion rate of the steel bars of RC columns due to their wrapping with glass fiber-reinforced polymers (GFRPs). RC cylindrical laboratorial specimens, both unwrapped and wrapped with GFRP, were immersed in a sodium chloride solution for 20 months. The changes on concrete resistivity and the corrosion process were followed by open potential ...

get price

Influence of Concrete Strength on Confinement ...

This article reports on a study of the confinement effectiveness of circular fiber-reinforced polymer (FRP) jackets for axial members with unconfined concrete strength ranging from 26 to 81 MPa. The study included two large-scale concrete-filled FRP tubes and 59 plain and FRP-wrapped concrete cylinders. The cylinders were wrapped with one layer of glass FRP (GFRP) sheet, two layers of GFRP ...

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Repositório Institucional da Universidade de Aveiro ...

Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in a Salt Water Environment: Author: Sena da Fonseca, B. Castela, A. S. Silva, Manuel A. G. Duarte, R. G. Ferreira, M. G. S. Montemor, M. F. Keywords: HIGH-PERFORMANCE CONCRETE IMPEDANCE SPECTROSCOPY WRAPPED CONCRETE CEMENT PASTE FLY-ASH BEHAVIOR

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Repositório Institucional da Universidade de Aveiro ...

Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in a Salt Water Environment 49 Total Visits per Month . October 2020 November 2020 December 2020 January 2021 February 2021 March 2021 April 2021 Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in a Salt Water Environment 1 0

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Analysis of Axial Compressive Behaviour of Steel Fibre ...

Steel Fibre Reinforced Concrete Filled Square and Rectangular Glass Fibre Reinforced ... From the table values infer that confinement effectiveness of GFRP tubes increases with increase in corner radius of the tube. 2. GFRP tube thickness has a significant influence on the ultimate strain and ultimate strain increases with increase in thickness results in increase strength of SFRCFFT’s. 3 ...

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Experimental investigation of the behaviour of concrete ...

GFRP reinforced concrete (RC) beams were designed, cast and tested. Six GFRP RC beams were tested under static loading to examine the failure modes and associated energy absorption capacities. The remaining six GFRP RC beams were tested under impact loading using a drop hammer machine at the University of Wollongong. GFRP RC beams with higher reinforcement ratio showed higher post

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EXPERIMENTAL WITH FINITE ELEMENT ANALYSIS OF REINFORCED ...

Additionally, FRP composites are relatively cheap to manufacture and lightweight [13].Three different types of FRP have been used for strengthening of concrete elements that are called Hybrid Fibre Reinforced Polymer (HFRP), Glass Fibre Reinforced Polymer (GFRP) and Carbon Fibre Reinforced Polymer (CFRP). Due to extremely high demand of FRP applications in the construction industry ...

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Numerical Simulations of GFRP-Reinforced Columns Having ...

09/10/2020  The present investigation aims to propose a numerical model for assessing the complex damaging response of glass fiber-reinforced polymer- (GFRP-) reinforced concrete columns having hybrid fibers and confined with GFRP spirals (GFHF columns) under concentric and eccentric compression. Fiber-reinforced concrete (FRC) consists of polyvinyl alcohol fibers (PVA) and

get price

The Influence of the Effective Moment of Inertia on the ...

Enio Deneko, Anjeza Gjini-The Influence of the Effective Moment of Inertia on the Deflection of FRP Reinforced Concrete Members EUROPEAN ACADEMIC RESEARCH - Vol. III, Issue 4 / July 2015 3741 based on a lot of test results. In the paper, is elaborated a numerical example to check the deflection of a FRP-RC based on these equations of different code provisions and models, used for predicting ...

get price

The bond property between concrete confined with textile ...

04/01/2021  In this paper, based on pull-out test results, the influence of the number of chloride wetting–drying cycles, concrete strength, cover thickness, steel bar diameter and number of textile layers used in the textile-reinforced concrete (TRC) confinement on the bond property between concrete and a steel bar is analysed. Furthermore, a bond strength model is developed and the confinement effect ...

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