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Journal articles on the topic 'Bond reinforcement with concrete'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Hollý, Ivan. "Experimental Investigation of Bond between GFRP Reinforcement and Concrete." Solid State Phenomena 309 (August 2020): 140–45. http://dx.doi.org/10.4028/www.scientific.net/ssp.309.140.

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The reinforcing steel embedded in concrete is generally protected against corrosion by the high alkalinity (pH = 12.5 to 13.5) of the concrete pore solution. The structural degradation of concrete structures due to reinforcement’s corrosion has an impact on the safety, serviceability and durability of the structure. The corrosion of reinforcements in the construction of a transport infrastructure (especially bridges), parking areas, etc., is primarily initiated by chlorides from de-icing salts. Glass fiber reinforcement polymer (GFRP) bars are suitable alternatives to steel bars in reinforced

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2

Ma, Zhangyong, Qingrui Yue, and Zhihua Chen. "A Beam Test Study on the Bond Performance between Epoxy-Coated Reinforcement and Geopolymer Concrete." Buildings 13, no. 2 (2023): 430. http://dx.doi.org/10.3390/buildings13020430.

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An epoxy-coated reinforcement geopolymer concrete structure with good durability and energy-saving properties can be formed by combining epoxy-coated reinforcement and geopolymer concrete. The bond strength is the precondition for the two to work together. In this paper, 13 beam specimens (11 epoxy-coated reinforcements and 2 ordinary deformed reinforcements) were designed to investigate the influence of the strength of geopolymer concrete, diameter of the reinforcement, bonding length and type of reinforcement on the bond performance between reinforcement and geopolymer concrete. The test res

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3

Bilčík, Juraj, and Ivan Hollý. "Experimental Analysis of Reinforcement Corrosion on Bond Behaviour." Advanced Materials Research 1106 (June 2015): 140–43. http://dx.doi.org/10.4028/www.scientific.net/amr.1106.140.

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The corrosion of reinforcement is the major cause of damage of reinforced concrete structures. This has an impact on safety, serviceability and durability of the structure. The corrosion of steel in concrete reduces the cross sectional area of the reinforcement and decreases the bond between reinforcement and concrete. Corrosion products have a higher volume than steel, which produces internal stresses that lead to the cracking and spalling of the concrete cover. The paper analyses the effect of the chloride-initiated corrosion of reinforcements on bond behaviour.

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4

Pokorný, P., J. Čech, P. Tej, and M. Vokáč. "The influence of total reinforcement anchorage length on misinterpretation of the impact of hot-dip galvanised steel corrosion on its bond strength with concrete." Koroze a ochrana materialu 60, no. 1 (2016): 13–20. http://dx.doi.org/10.1515/kom-2016-0003.

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Abstract To begin with, the intorduction of this paper summarises literature sources that wrongly interpret results of the bond strength between hot-dip galvanised reinforcements and concrete. The influence of the total reinforcement anchorage length on the bond strength results assessment was studied in detail. The numeric analysis of beam models with various testing anchorage lengths (the analysis input data comprised the results of previous bond strength tests carried out in a laboratory) unambiguously confirmed that when the bond strength between concrete and hot-dip galvanised reinforceme

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5

Ahlborn, Theresa M., and Timothy C. DenHartigh. "Comparative Bond Study of Stainless and High-Chromium Reinforcing Bars in Concrete." Transportation Research Record: Journal of the Transportation Research Board 1845, no. 1 (2003): 88–95. http://dx.doi.org/10.3141/1845-10.

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Concrete bridge decks in corrosive environments have used several methods to prevent corrosion of the reinforcing steel including the use of alternative steels as reinforcement. While research has been conducted on corrosion resistance, very little information is available about the bond strength of alternative metallic reinforcement such as solid stainless steels and high-strength, high-chromium (HSHC) alloys. Therefore, the tensile bond strengths of three alternative metallic steel reinforcements in concrete are compared with conventional A615 Grade 60 steel reinforcement. Two types of stain

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6

Kadlec, Jaroslav, Ivailo Terzijski, František Girgle, and Lukáš Zvolánek. "Effect of Lightweight Concrete Density on Bond Strength." Advanced Materials Research 1106 (June 2015): 33–36. http://dx.doi.org/10.4028/www.scientific.net/amr.1106.33.

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The main objective of this paper is connected with the search of an optimal anchorage length of reinforcement in lightweight and ultra-lightweight concretes. Experimentally obtained values of the bond stress between lightweight concrete and reinforcing bars are presented. The density classes of lightweight concrete were D1,0, D1,2 and D1,4. The results are compared with equal ones of normal density concrete. The tests with ordinary reinforcement and with non-metallic hybrid reinforcement C-GFPR (30% portion of carbon fibres) were conducted.

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7

Hermawan, Harry, Mustafa Mert Tezer, Willy Verstraete, Nele de Belie, Pedro Serna, and Elke Gruyaert. "Bond behaviour evaluation between steel reinforcement and self-healing concrete containing non-axenic biomasses." MATEC Web of Conferences 378 (2023): 02009. http://dx.doi.org/10.1051/matecconf/202337802009.

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Although steel reinforcements are used to withstand tensile forces in concrete, cracks are an unavoidable phenomenon. The presence of cracks, in fact, increases the risk for lowering the service life and durability of concrete structures. A critical issue occurs when due to splitting forces, cracks appear in concrete along the tensioned rebars which damage the bonding between the steel and concrete matrix. As a mitigation plan, the cracks should be healed at short notice and the bonding has to be recovered by the potential use of healing agents. This paper aims to investigate the bond behaviou

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8

Benin, Andrey, Galina Bogdanova, and Sergey Semenov. "Experimental Study and Mathematical Modeling of Bond of Different Types Winding Glass-Plastic Reinforcement with Concrete." Applied Mechanics and Materials 617 (August 2014): 215–20. http://dx.doi.org/10.4028/www.scientific.net/amm.617.215.

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The experimental studies of flat and relief glass-plastic reinforcement bond with concrete were conducted. The comparative analysis of obtained experimental data with results of other researchers in field of reinforcement and concrete bond was made. It was identified that composite reinforcement with flat winding has better bond characteristics in comparison with steel reinforcement and other winding types composite reinforcement. The analytical dependencies, allowing to simulate the process of fiber-plastic reinforcement bond with concrete, were obtained. The finite element modeling of deform

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9

Tumingan, Tumingan, and Salma Alwi. "T Ikatan Baja Tulangan Pada Beton Pond Ash Sebagai Pengganti Sebagian Pasir." Jurnal Poli-Teknologi 19, no. 1 (2020): 71–78. http://dx.doi.org/10.32722/pt.v19i1.2730.

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Pond ash concrete bond is expected to increase bond strength, because in previous studies pond ash concrete resulted in increased mechanical properties of concrete. Bond strength is the bonding mechanism between steel reinforcement and concrete in reinforced concrete construction as the main tool to transfer internal strength between reinforcement and concrete. In this study, a total of thirty-six cylinder concrete with a diameter of 15 cm and a height of 30 cm. Variations of the test parameters are three reinforcement diameters of 12 mm, 16 mm and 25 mm and two types of reinforcement namely p

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10

Hollý, Ivan, and Juraj Bilčík. "Effect of Chloride-Induced Steel Corrosion on Working Life of Concrete Structures." Solid State Phenomena 272 (February 2018): 226–31. http://dx.doi.org/10.4028/www.scientific.net/ssp.272.226.

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The reinforcing steel embedded in concrete is generally protected against corrosion by the high alkalinity (pH = 12.5 to 13.5) of the concrete pore solution. The structural degradation of concrete structures due to reinforcement’s corrosion has an impact on the safety, serviceability and durability of the structure. The corrosion of reinforcements in the construction of a transport infrastructure (especially bridges), parking areas, etc., is primarily initiated by chlorides from de-icing salts. When corrosion is initiated, active corrosion results in a volumetric expansion of the corrosion pro

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11

Szczech, D., and R. Kotynia. "Beam Bond Tests of GFRP and Steel Reinforcement to Concrete." Archives of Civil Engineering 64, no. 4 (2018): 243–56. http://dx.doi.org/10.2478/ace-2018-0072.

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AbstractThe paper presents research program of bond between glass fiber reinforced polymer bars and concrete in reference to the steel bars. Bond between the reinforcement and concrete is a crucial parameter governing a behaviour of reinforced concrete members and transferring of the internal forces from concrete to the reinforcement. The use of FRP bars as an equivalent reinforcement to steel in concrete structures has increased in recent years. The FRP bars are very different from steel, mainly due to much lower elasticity modulus and their anisotropic structure. Good performance of FRP rein

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12

Konzilia, Julian, Jonas Wachter, Matthias Egger, et al. "Embroidered Carbon Reinforcement for Concrete." Buildings 13, no. 9 (2023): 2293. http://dx.doi.org/10.3390/buildings13092293.

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This research focuses on the manufacturing process and mechanical properties of textile reinforcements fabricated using embroidery technology. The study investigates both 2D and 3D reinforcement products and compares the advantages and possibilities of embroidery technology with other manufacturing methods. A series of tests using carbon reinforcement is conducted, and the results are presented and evaluated comprehensively. The uniaxial tensile tests reveal the characteristic behavior of carbon-reinforced concrete (CRC). Furthermore, the bonding behavior between the concrete matrix and embroi

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13

Amini Pishro, Ahad, and Xiong Feng. "Experimental Study on Bond Stress between Ultra High Performance Concrete and Steel Reinforcement." Civil Engineering Journal 3, no. 12 (2018): 1235. http://dx.doi.org/10.28991/cej-030953.

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Due to axial deformations generally caused by flexure, shear stress will be generated across the interface between reinforcement and surrounding concrete. This longitudinal shear stress is called bond stress and coordinates deformation between concrete and reinforcement. With increasing a member's axial deformation, bond stress finally reaches its ultimate value, bond strength, after which deformation of reinforcement and surrounding concrete will be not coordinated any more. Studies have shown that addition of nanosilica into cement-based materials improves their mechanical properties. Consid

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14

Arel, Hasan Şahan, and Şemsi Yazıcı. "Concrete–reinforcement bond in different concrete classes." Construction and Building Materials 36 (November 2012): 78–83. http://dx.doi.org/10.1016/j.conbuildmat.2012.04.074.

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15

Wang, Yanqi, Quansheng Sun, Hongjian Ding, et al. "Investigation of Interfacial Bonding Properties of Polyurethane Concrete and Cement Concrete/Steel Reinforcement." Advances in Materials Science and Engineering 2022 (October 6, 2022): 1–28. http://dx.doi.org/10.1155/2022/5644468.

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To solve the problem that the repair material of the bridge's expansion joint anchorage area is prone to debonding from the other bridge components, polyurethane concrete was designed and prepared, and the bonding performance of polyurethane concrete was tested by the bond splitting test, bond direct shear test, bond oblique shear test, and steel reinforcement pull-out test. The results show that the interfacial bond strength of polyurethane concrete and cement concrete can be improved by increasing the interfacial roughness. The bond splitting strength increases by up to 91.4%, the bond direc

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16

Hollý, Ivan, Juraj Bilčík, Ondrej Keseli, and Natalia Gažovičová. "Bond of GFRP Reinforcement with Concrete." Key Engineering Materials 691 (May 2016): 356–65. http://dx.doi.org/10.4028/www.scientific.net/kem.691.356.

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Corrosion of steel reinforcement is the major cause of deterioration of existing RC structures. Combined effects of moisture, temperature, and chlorides reduce the alkalinity of concrete and exacerbate the corrosion of steel reinforcement, especially for concrete structures subjected to aggressive environments, such as marine structures and bridges and parking garages exposed to de-icing salts. Glass fiber reinforcement polymer (GFRP) bars are suitable alternatives to steel bars in reinforced concrete applications if durability, electromagnetic transparency, or ease of demolition in temporary

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17

Gažovičová, Natalia, Juraj Bilčík, Ivan Hollý, and Jaroslav Halvonik. "Bond Behaviour between GFRP Reinforcement and Concrete Using a Pull-Out Test." Solid State Phenomena 272 (February 2018): 232–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.272.232.

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Corrosion of steel reinforcement is one of the most often deterioration reasons of RC structures. At present, the corrosion of steel reinforcement can be avoided by using non-metallic reinforcement from composite materials, especially in structures that are exposed to extreme environmental environment. These materials are durable and non-conductive. They are composited from two materials: fibres and matrix. The most commonly used FRP (Fiber Reinforced Polymers - FRP) reinforcement are glass fibre reinforced polymers (GFRP). The bar surface can be e.g. sanded, wrapped, with helically wound ribs

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18

Romashko, Olena, and Vasyl Romashko. "Evaluation of bond between reinforcement and concrete." MATEC Web of Conferences 230 (2018): 02027. http://dx.doi.org/10.1051/matecconf/201823002027.

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The scheme of stressed state changes of the concrete contact layer and reinforcing rod during its pulling out of concrete is considered. The most important drawbacks of the known methods for evaluating the bond strength of reinforcement to concrete have been analyzed. Particular attention is focused on bond estimating by average tangential stresses. It is substantiated why the linear dependence of these stresses on normal stresses in the reinforcement cannot cover the processes of reinforcement bonding with concrete in the stage of use of reinforced concrete elements. A universal dependence of

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19

Qu, Fu Lai, Shun Bo Zhao, Zhi Mei Zhou, and Baoan Yuan. "Nonlinear Finite Element Analysis of Corroded Reinforced Concrete Lock-Walls." Applied Mechanics and Materials 101-102 (September 2011): 329–32. http://dx.doi.org/10.4028/www.scientific.net/amm.101-102.329.

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Reinforcement and concrete can work together to bear load in reinforced concrete structures, one of the main reasons is the relatively prefect bond between reinforcement and concrete. When steel reinforcement corrodes, the bond strength decreases and leads to the degradation of the reinforced concrete members. This paper built a finite element model by selecting appropriate stress-strain relationship of concrete and reinforcement, bond-slip relationship between concrete and corroded steel bars. The flexural behavior of corroded reinforced concrete lock-walls was analyzed by nonlinear finite el

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20

Saleem, Ahsan, Ameeq Farooq, and Rafeeq Ahmad. "Effect on the pull out and the bond strength of concrete by different surface treatment of steel reinforcement bars." Journal of the Pakistan Institute of Chemical Engineers 47, no. 1 (2019): 15–24. http://dx.doi.org/10.54693/piche.04712.

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In present research, it is aimed to study the effect of different interface of steel reinforcement bars on the pull out and bond strength of the concrete. The concrete possess a good compressional strength but relatively low pull out strength. So to enhance its pull out strength different reinforcements like steel bars, wires etc. are introduced in the concrete. The introduced steel bars give good pull out properties to concrete but also affected in corrosive environment. Different interface is made to protect these bars from corrosion by applying different treatment on the interface between s

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21

Choi, Hyun Ki. "The Effect of Anchorage Strength with Anchorage Capacity in Flat Plate." Key Engineering Materials 627 (September 2014): 245–48. http://dx.doi.org/10.4028/www.scientific.net/kem.627.245.

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The punching shear on the flat plate slab-column connection can bring about the reason of the brittle punching shear failure which may result of collapsing the whole structure. From the development of residential flat plate system, the shear reinforcement is developed for preventing the punching shear. This study proposed 3 reinforcements that are increased to bond capacity using lateral bar, the structure test is performed. As performed test result, because slabs not keep enough bond length, slab is failed before shear reinforcement's yield strength duo to anchorage of slip. According to resu

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22

Holly, Ivan, Katarina Gajdosova, and Robert Sonnenschein. "Reinforcement Corrosion and its Effect on Bond Behaviour." Applied Mechanics and Materials 837 (June 2016): 179–82. http://dx.doi.org/10.4028/www.scientific.net/amm.837.179.

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The corrosion of reinforcement is one of the predominant reasons for loss of reliability of reinforced concrete structures. This has an impact on safety, serviceability and durability of the structure. The corrosion of steel in concrete reduces the cross sectional area of the reinforcement and decreases the bond between reinforcement and concrete. Corrosion products have a higher volume than steel, which produces internal stresses that lead to the cracking and spalling of the concrete cover. Additionally, corrosion of steel changes the mechanical properties of reinforcement. In this paper, the

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23

Iqbal, Shahid, Naqeeb Ullah, and Ahsan Ali. "Effect of Maximum Aggregate Size on the Bond Strength of Reinforcements in Concrete." Engineering, Technology & Applied Science Research 8, no. 3 (2018): 2892–96. https://doi.org/10.5281/zenodo.1344194.

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The bond between reinforcements and concrete is the only mechanism that transfers the tensile stresses from concrete to reinforcements. Several factors including chemical adhesion, roughness and reinforcement interface and bar bearing affect the bond strength of reinforcements with concrete. This work was carried out considering another varying factor which is maximum aggregate size. Four mixes of concrete with similar compressive strengths but different maximum aggregate sizes of 25.4mm, 19.05mm, 12.7mm and 9.53mm were used with the same bar size of 16mm. Compressive strength, splitting tensi

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24

Mikerego, Emmanuel, and Niyokindi Lionel. "The simultaneous impact of corrosion and the reinforcement ratio on the load-bearing capacity of reinforced concrete under axial compression." Vestnik MGSU, no. 8 (August 2022): 999–1007. http://dx.doi.org/10.22227/1997-0935.2022.8.999-1007.

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Introduction. This study presents the results of an experimental assessment of the simultaneous impact of corrosion and the reinforcement ratio on the load-bearing capacity of standard reinforced concrete elements subjected to axial compression. Materials and methods. This study was conducted using 216 experimental specimens made of ordinary concrete longitudinally reinforced by high bond reinforcing steel FeE400. The cross-sectional dimension of our experimental reinforced concrete specimens was 20 × 20 cm, and their height was 32 cm. Six cases of bond strength degradation were consider

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25

Dacuan, Cecielle N., and Virgilio Y. Abellana. "Bond Deterioration of Corroded-Damaged Reinforced Concrete Structures Exposed to Severe Aggressive Marine Environment." International Journal of Corrosion 2021 (March 2, 2021): 1–13. http://dx.doi.org/10.1155/2021/8847716.

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Cracks lead to a reduction of the bond between concrete and reinforcing steel rebars. A considerable decrease in the bond strength is more dangerous to a structural element’s safety than the loss of the cross-sectional steel reinforcement area. The purpose of this study is to evaluate the bond strength of corroded-damaged structures exposed to severely aggressive marine environments. Eighteen (18) cube specimens with dimensions of 200 mm x 200 mm were cast. They were reinforced with three (3) different diameters of deformed steel and were grouped as unconfined and confined. The specimen was ac

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26

Iqbal, S., N. Ullah, and A. Ali. "Effect of Maximum Aggregate Size on the Bond Strength of Reinforcements in Concrete." Engineering, Technology & Applied Science Research 8, no. 3 (2018): 2892–96. http://dx.doi.org/10.48084/etasr.1989.

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The bond between reinforcements and concrete is the only mechanism that transfers the tensile stresses from concrete to reinforcements. Several factors including chemical adhesion, roughness and reinforcement interface and bar bearing affect the bond strength of reinforcements with concrete. This work was carried out considering another varying factor which is maximum aggregate size. Four mixes of concrete with similar compressive strengths but different maximum aggregate sizes of 25.4mm, 19.05mm, 12.7mm and 9.53mm were used with the same bar size of 16mm. Compressive strength, splitting tensi

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27

Samoshkin, A., and V. Tikhomirov. "Mathematical model for the reinforced concrete with nonlinearity behaviour of bond." Journal of Physics: Conference Series 2131, no. 3 (2021): 032017. http://dx.doi.org/10.1088/1742-6596/2131/3/032017.

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Abstract The article developed a mathematical model describing the deformation of reinforced concrete, taking into account its adhesion to reinforcement. The model consists of three layers: concrete, contact layer, reinforcement. The contact layer surrounding the reinforcement takes into account the complex deformation of the concrete when interacting with the profiled reinforcement. Arguments are presented for criteria that determine the transition of concrete, reinforcement and contact layer to limit states. A diagram of testing of reinforced concrete specimen has been proposed and a procedu

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28

Jung, Woo-tai, Jong-sup Park, Jae-yoon Kang, and Moon-seoung Keum. "Flexural Behavior of Concrete Beam Strengthened by Near-Surface Mounted CFRP Reinforcement Using Equivalent Section Model." Advances in Materials Science and Engineering 2017 (2017): 1–16. http://dx.doi.org/10.1155/2017/9180624.

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FRP (fiber reinforced polymer) has found wide applications as an alternative to steel rebar not only for the repair and strengthening of existing structures but also for the erection of new structures. Near-surface mounted (NSM) strengthening was introduced as an alternative of externally bonded reinforcement (EBR) but this method also experiences early bond failure, which stresses the importance of predicting accurately the bond failure behavior in order to evaluate precisely the performance of NSM reinforcement. This study proposes the equivalent section model assuming monolithic behavior of

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29

Tamrazyan, A. G., and D. S. Baryak. "Bonding of corrosion-damaged reinforced concrete elements in case of fire impact." Building and Reconstruction 1, no. 1 (2025): 40–47. https://doi.org/10.33979/2073-7416-2025-117-1-40-47.

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This paper examines the bond strength between reinforcement and concrete in reinforced concrete structures under combined effects of corrosion and high temperatures. The analysis employs analytical models and regulatory data to evaluate changes in the strength characteristics of reinforcement and concrete under elevated temperatures and corrosion damage. Thermal and corrosion effects influencing bond strength reduction, material strength degradation, and internal stresses due to differences in thermal expansion coefficients of steel and concrete were taken into account. Results indicate that u

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30

Németh, Orsolya Ilona, Éva Lublóy, and György Farkas. "Bond of reinforcement in polymer concrete." Periodica Polytechnica Civil Engineering 58, no. 2 (2014): 137–41. http://dx.doi.org/10.3311/ppci.7502.

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31

Balázs, György L. "Connecting Reinforcement to Concrete by Bond." Beton- und Stahlbetonbau 102, S1 (2007): 46–50. http://dx.doi.org/10.1002/best.200710109.

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32

Janus, Ondřej, Frantisek Girgle, Vojtech Kostiha, Petr Štěpánek, and Pavel Sulak. "Influence of Test Configuration on Bond Strength of GFRP Bars." Solid State Phenomena 292 (June 2019): 217–23. http://dx.doi.org/10.4028/www.scientific.net/ssp.292.217.

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It is well-known that test configuration affects bond behaviour of steel reinforcement, but this effect has not yet been sufficiently quantified when using FRP reinforcement. This paper presents partial results from an ongoing experimental programme that deals with the bond strength of GFRP bars with concrete, with regards to the effect of the surface treatment of the rebars and test configuration. A modified beam test is presented in this study along with a pull-out test with an eccentric bar placement. The bond strength of GFRP reinforcement with sand-coated treatment using silica sand and r

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33

Hollý, Ivan, Juraj Bilčík, and Katarína Gajdošová. "Numerical Modeling of Reinforcement Corrosion on Bond Behaviour." Solid State Phenomena 249 (April 2016): 191–96. http://dx.doi.org/10.4028/www.scientific.net/ssp.249.191.

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Chloride-induced steel corrosion is one of the major deterioration problems for steel reinforced concrete structures. Its effects on RC structures include cracking of the concrete cover, reduction and eventually loss of bond between concrete and corroding reinforcement, and reduction of cross-sectional area of reinforcing steel. The accumulated corrosion products on the bar surface cause longitudinal cracking of the concrete cover. Loss of concrete cover leads to reduction in bond strength at the interfacial zone between the two materials. In addition, the deterioration of the ribs of the defo

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34

Fang, Liang, and Yingzhuo Liu. "Analysis of Bonding Properties of Corroded Reinforcement Concrete." Journal of Architectural Research and Development 8, no. 3 (2024): 80–92. http://dx.doi.org/10.26689/jard.v8i3.7163.

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In order to investigate the degradation of bonding properties between corroded steel bars and concrete, this study employs the half-beam method to conduct bond-slip tests between corroded steel bars and concrete after impressed-current accelerated corrosion of the steel bars in concrete. The effects of steel corrosion rate, steel bar diameter, steel bar strength grade, and concrete strength grade on the bonding properties between concrete and corroded steel bars were analyzed. The influence of different corrosion rates on specimens’ bonding strength and bond-slip curves was determined, and a c

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35

Rasheed, Mereen H. F., Ayad Z. S. Agha, and Bahman O. Taha. "Behavior of Fibrous Reinforced Concrete Splices." Open Civil Engineering Journal 15, no. 1 (2021): 441–62. http://dx.doi.org/10.2174/1874149502115010441.

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Background: The tangent of the relationship between bond stress and displacement (slip) is called the modulus of displacement and gives the basis for the theory. This theory is used to determine the stress distribution along the spliced reinforcement bars. Objective: This research presents a modification on the theory of the modulus of displacement to determine the stress distribution along the spliced reinforcement bond for fibrous reinforced concrete. Methods: 1- General differential equations are derived for concrete stress, stress in reinforcement bars and bond stress between reinforcement

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36

Štefanovičová, Michaela, Robert Sonnenschein, and Katarína Gajdošová. "Finite Element Analysis of the Beam-Bond Test of Steel and GFRP Bars with Concrete." Key Engineering Materials 930 (August 31, 2022): 113–18. http://dx.doi.org/10.4028/p-k116hv.

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The ecological thinking and the development of new materials foreground the composite structures made of FRP (fiber reinforced polymers) and concrete. Before the use in real concrete structures, the material characteristics and composite action with concrete need numerical, analytical, and experimental evaluation. The key to developing the composite action of an FRP reinforcement in concrete is a sufficient bond between the reinforcement and concrete. The GFRP (Glass Fiber Reinforced Polymer) bars as the most common and affordable alternative to steel bars are used in this study to investigate

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37

Islam, G. M. Sadiqul, Ehsan Ahmed, Md Sabbir Hossain, and S. M. Sharif Uddin. "Bond Strength of Fusion Bonded Epoxy-Coated Reinforcement in Concrete." Journal of the Civil Engineering Forum 5, no. 3 (2019): 255. http://dx.doi.org/10.22146/jcef.47532.

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Fusion-bonded epoxy-coated steel is expected to extend the service life of the reinforced concrete structure in chloride-laden environments. However, the effect of coating on the bond-strength between rebar and concrete is not well understood yet. This research, therefore, studied the effect of epoxy-coating on the bond characteristics of reinforcing bars in concrete. The bond characteristics were assessed through pullout test considering variables viz. concrete strength, embedded length and bar diameter. The load was applied to reinforcing bars embedded in concrete until bond strength between

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38

Dai, Xiao Dong, Xin Jian Kou, Shi Chen Wen, and Jin Liu. "Bond of Corroded Reinforcement and Concrete under Repeated Loading." Applied Mechanics and Materials 193-194 (August 2012): 901–4. http://dx.doi.org/10.4028/www.scientific.net/amm.193-194.901.

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Bond of corroded reinforcement and concrete under repeated loading was investigated experimentally. An electrolyte corrosion technique was used to accelerate reinforcement corrosion. The results of the experiment indicate that: corrosion of reinforcement is the significant factor affecting the bond, with the increasing number of loading, the peak bond stress and area of hysteretic curve decrease gradually.

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39

Kachlakev, Damian I., James R. Lundy, Vincent Gillet, et al. "New Procedure for Evaluating Bond Strength of Concrete Reinforcement." Transportation Research Record: Journal of the Transportation Research Board 1525, no. 1 (1996): 124–30. http://dx.doi.org/10.1177/0361198196152500114.

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The bond strength between concrete and reinforcement is critical to the performance of reinforced concrete structures, including continuously reinforced concrete pavements (CRCP). Unfortunately, a widely accepted test is not available for this critical property. Commonly used procedures apply the load to the reinforcing unit and the load is transferred from the unit to the concrete. Poisson's effects are induced in the reinforcement and a reduction in cross section results. The ensuing failure is not generally representative of the stress transfer mode between concrete and reinforcement in mos

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Akinyele, J. O., U. T. Igba, F. M. Alayaki, and S. I. Kuye. "Modelling the Deformation of Steel-bars in Reinforced Concrete Beams Submerged in Lagoon." Nigerian Journal of Technological Development 18, no. 3 (2021): 219–28. http://dx.doi.org/10.4314/njtd.v18i3.6.

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Corrosion of steel and spalling of concrete in reinforced concrete elements have become a common occurrence in structures that are built around marine environment. This research investigated the effect of chloride on the steel in reinforced concrete beams. Mechanical tests such as; compressive, flexural and bond strengths were done on replicate concrete elements which were cast and buried for a maximum of one year in the Lagos lagoon. Twenty-four number of 150 mm x 150 mm x 600 mm sized reinforced concrete beams were cast for the flexural strength test, while forty-eight concrete cubes were ca

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Thiri, Nyein Pyae Aung. "Experimental Study on Bond Performance of Reinforced Bars in Concrete." International Journal of Trend in Scientific Research and Development 3, no. 1 (2018): 822–28. https://doi.org/10.31142/ijtsrd19049.

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This paper studied the effects of reinforcement corrosion on bond performance between G 35 concrete and 16mm reinforcing steel for different corrosion levels. The steel rebar embedded in concrete specimens were corroded using an electrochemical accelerated corrosion technique by impressing current to the specimens to develop the different mass losses of reinforcement bars after corrosion. Then, monolithic pull out loading tests were carried out on the specimens to develop the bond strength which is an important property in concrete construction as it determines the amount of tensile stress a c

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Tamrazyan, Ashot. "Problems of modelling the bond reinforcement in concrete." E3S Web of Conferences 258 (2021): 09027. http://dx.doi.org/10.1051/e3sconf/202125809027.

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Traditional design research typically focuses on the design and construction of new structures, buildings and structures. A large proportion of existing concrete structures have wear problems. The longitudinal shear stress created by a load in reinforced concrete at the boundaries of concrete and reinforcement is considered. The parameters of numerous variables affecting this relationship are given, including the strength and cover of concrete, the type of reinforcement, the use of transverse reinforcement, the state of the reinforcement surface, the length of the anchorage, the stress state i

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Lin, Ruizong, Xinmin Yu, Chengcheng Qin, and Yanzhong Ju. "Study on the bonding performance between reactive powder concrete and steel bar." Journal of Physics: Conference Series 2368, no. 1 (2022): 012034. http://dx.doi.org/10.1088/1742-6596/2368/1/012034.

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The performance of reactive powder concrete (RPC) is much higher than that of ordinary concrete, and the engineering application is gradually increasing. The bond failure process and bond slip between RPC and reinforcement will show new characteristics. It is necessary to study the bond behavior between RPC and steel bar. The direct drawing test was carried out on the 36 bonding specimens in order to study the bond performance between steel bar and reactive powder concrete. The research shows that the cohesive force consists of three parts: the mechanical bite force produced by the mechanical

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Singh, Rohan, Harish Chandra Arora, Alireza Bahrami, et al. "Enhancing Sustainability of Corroded RC Structures: Estimating Steel-to-Concrete Bond Strength with ANN and SVM Algorithms." Materials 15, no. 23 (2022): 8295. http://dx.doi.org/10.3390/ma15238295.

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The bond strength between concrete and corroded steel reinforcement bar is one of the main responsible factors that affect the ultimate load-carrying capacity of reinforced concrete (RC) structures. Therefore, the prediction of accurate bond strength has become an important parameter for the safety measurements of RC structures. However, the analytical models are not enough to estimate the bond strength, as they are built using various assumptions and limited datasets. The machine learning (ML) techniques named artificial neural network (ANN) and support vector machine (SVM) have been used to

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Gajdošová, Katarína, Viktor Borzovič, Adrián Valašík, and Natália Gažovičová. "Application of GFRP Reinforcement in the Design of Concrete Structures and its Experimental Evaluation." Slovak Journal of Civil Engineering 26, no. 3 (2018): 11–15. http://dx.doi.org/10.2478/sjce-2018-0015.

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Abstract In the past, research on the use of FRP in civil engineering has been focused on strengthening existing structures where FRP reinforcements were applied to the surface of concrete elements. Recently, the application of FRP reinforcements has been studied to replace steel reinforcements for use in areas of increased environmental loads, with a need to exclude the corrosion of the reinforcement or to ensure the electromagnetic neutrality of the individual elements of the load-bearing structure. The GFRP reinforcement ratio was verified considering failure modes in flexure and the bond o

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Ismail, Fouad Ismail, Yassir M. Abbas, Nasir Shafiq, et al. "Investigation of the Impact of Graphene Nanoplatelets (GnP) on the Bond Stress of High-Performance Concrete Using Pullout Testing." Materials 14, no. 22 (2021): 7054. http://dx.doi.org/10.3390/ma14227054.

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Efficient load transmission between concrete and steel reinforcement by bonding action is a key factor in the process of the design procedure of bar-reinforced concrete structures. To enhance the bond strength of steel/concrete composites, the impact of graphene nanoplatelets (GnP) on the bond stress and bond stress–slip response of deformed reinforcement bars, embedded in high-performance concrete (HPC), was investigated using bar pullout tests. In the current study, 36 samples were produced and examined. The main variables were the percentages of GnP, the steel reinforcement bar diameter, an

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Shunmuga Vembu, Pitchiah Raman, and Arun Kumar Ammasi. "A Comprehensive Review on the Factors Affecting Bond Strength in Concrete." Buildings 13, no. 3 (2023): 577. http://dx.doi.org/10.3390/buildings13030577.

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The interaction of reinforcement bars with concrete determines the structural behavior and bond performance (bond strength) in reinforced cement concrete. Bond strength and its importance in structural applications based on available standards attracted researchers around the globe to evaluate the bond strength in reinforced cement concrete through various test methods and procedures. In this review article, more than 200 globally published studies were collected, and 170 articles were compiled to discuss the importance of bond strength and the factors that affect bond strength in concrete. Th

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Kotynia, Renata, Hussien Abdel Baky, and Kenneth W. Neale. "Bond Behaviour of Near-Surface Mounted Strips in RC Beams—Experimental Investigation and Numerical Simulations." Materials 14, no. 16 (2021): 4362. http://dx.doi.org/10.3390/ma14164362.

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This paper presents an investigation of the bond mechanism between carbon fibre reinforced polymer (CFRP) laminates, concrete and steel in the near-surface mounted (NSM) CFRP-strengthened reinforced concrete (RC) beam-bond tests. The experimental program consisting of thirty modified concrete beams flexurally strengthened with NSM CFRP strips was published in. The effects of five parameters and their interactions on the ultimate load carrying capacities and the associated bond mechanisms of the beams are investigated in this paper with consideration of the following investigated parameters: be

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Izzat, Amer F., and Ali I. Salahaldin. "EMBEDDED LENGTH OF STEEL BARS IN SELF COMPACTED CONCRETE (SCC)." Journal of Engineering 17, no. 05 (2011): 1077–89. http://dx.doi.org/10.31026/j.eng.2011.05.04.

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Experimental research was carried out on eight reinforced concrete beams to study the embedded length of the longitudinal reinforcement. Six beams were casted using self compacted concrete, and the two other beams were casted using normal concrete. The test was carried out on beams subjected to two point loads. The strain and the slip of the main reinforcement have been measured by using grooves placed during casting the beams at certain places. The measured strain used to calculate the longitudinal stresses (bond stress) surrounding the bar reinforcement, The study was investigated the using

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Rohman, R. K., S. A. Kristiawan, H. A. Saifullah, and A. Basuki. "Reinforcement to concrete bond strength: a comparison between normal concrete and various types of concrete." Journal of Physics: Conference Series 2190, no. 1 (2022): 012028. http://dx.doi.org/10.1088/1742-6596/2190/1/012028.

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Abstract This paper describes the bond strength comparison between concrete and reinforcement with several types of concrete. The types of concrete studied were normal concrete (NC), Self-Compacting Concrete (SCC), High-Volume Fly Ash Concrete (HVFAC), and High-Volume Fly Ash Self-Compacting Concrete (HVFA-SCC). Research data were obtained from previous studies. The data of concrete bond strength were obtained by testing the reinforced concrete beam with a lap splice in the tensile moment area. Bond strength values were normalized by dividing with the square root of concrete grade. Then use no

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