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Bond behavior of steel bars embedded in concretes made

Bond behavior of steel bars embedded in concretes made

Bond behavior of steel bars embedded in concretes made ...

Oct 01, 2017  The bond properties of reinforcing steel bars embedded in structural concrete made with locally available natural lightweight aggregates, was studied using pull-out tests on cubic specimens of 150 × 150 × 150 mm.A series of 30 specimens were cast considering the effect of bar diameter, and concrete compressive strength.

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Bond behavior of steel bars embedded in concretes made ...

Journal of King Saud University: Engineering Sciences (2017-10-01) . Bond behavior of steel bars embedded in concretes made with natural lightweight aggregates

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Bond behavior of steel deformed bars embedded in concrete ...

Oct 15, 2014  Bond–slip tests were conducted by push-out tests using concrete cylinders with an embedded rebar at the center of the cylinders. Two parameters of concrete strength and amount of confinement were chosen. ... this study is planned to examine the effect of the FRP wire jacket on bond behavior of steel bars and concrete.

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BOND BEHAVIOUR OF STEEL REINFORCING BARS EMBEDDED

BOND BEHAVIOUR OF STEEL REINFORCING BARS EMBEDDED IN ULTRA-HIGH-PERFORMANCE STEEL FIBER REINFORCED CONCRETE ... behavior of steel reinforcing bars embedded in Ultra-High-Performance Steel-Fiber-Reinforced Concrete ... admixtures were added to reduce the porosity of normal weight concrete creating concretes known as Macro-Defect-Free (MDF) and ...

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Bond behavior of steel bars embedded in concretes made ...

By Charif, Elfgren, Gjørv, Hassan, Holm, Hossain, Kayali, Lundgren, Mor, Moufti, Orangun, Sabtan, Sancak, Shannag, Valcuende and White

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Bond behavior of steel bars embedded in concretes made ...

Bond behavior of steel bars embedded in concretes made with natural lightweight aggregates . By Mohammad Jamal Al-Shannag and Abdelhamid Charif. Cite . BibTex; Full citation; Publisher: Elsevier BV. Year: 2017. DOI identifier: 10.1016/j.jksues.2017.05.002. OAI identifier: Provided by ...

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Bond behavior of steel bars embedded in concretes made ...

By Charif, Elfgren, Gjørv, Hassan, Holm, Hossain, Kayali, Lundgren, Mor, Moufti, Orangun, Sabtan, Sancak, Shannag, Valcuende and White

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(PDF) Bond stress-slip behaviour of steel reinforcing bar ...

Typical Column-beam Joint concrete improved the bond between the concrete and the deformed bars for concrete covers not smaller than 30 to 40 mm. Neven et al. (1994) investigated the pull-out behavior of deformed joint) where all the beam and column main bars pass through or reinforcing steel bars embedded in FRC and high-performance terminate.

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Bond-Slip Behavior of Steel Bar Embedded in Lightweight ...

Plastic waste as coarse aggregates in concrete making is part of efforts to reduce environmental pollution. In one hand the use of plastic as aggregates can provide lighter weight of concrete than those using natural aggregates. Accordingly, a comprehensive experimental study on the concrete-steel bond behavior of structural waste polypropylene (PP) lightweight coarse aggregate concrete ...

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The bond behaviour between concrete and corroded ...

interaction between concrete and reinforcing steel bar, which enables the force transfer and the compatibility of deformation between ing reinforc steel bar and the surrounding concrete. PIt is made up of three components: chemical adhesion, friction and mechanical interaction. For deformed steel bars, bond depends primarily on the mechanical

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Bond strength evaluation between steel rebars and carbon ...

Jun 01, 2021  Bond behavior of steel bars embedded in concretes made with natural lightweight aggregates J. King Saud Univ. - Eng. Sci. , 29 ( 2017 ) , pp. 365 - 372 , 10.1016/j.jksues.2017.05.002 Article Download PDF View Record in Scopus Google Scholar

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CHAPTER 4: CONCRETE-STEEL BOND MODEL

sents a comparison of observed and computed behavior for reinforcing steel anchored in plain and reinforced concrete sections and subjected to variable load histories. 4.2 Bond Behavior Characterized Through Experimental Investigation Data from previous investigations of the bond phenomenon support development of a model to characterize behavior.

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Experimental Study on Bond Behavior between Plain ...

Oct 04, 2015  To evaluate the bond behavior between the reinforcing bar and surrounding concrete, a total of six-group pullout specimens with plain steel bars and two-group specimens with deformed steel bars, serving as a reference, are experimentally investigated and presented in this study. The main test parameters of this investigation include embedment length, surface type of reinforcing bars, and bar ...

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Bond between Steel Reinforcement Bars and Seawater ...

In addition, the bonding strength of steel bar embedded in seawater concrete is lower by 4.34% as compared to the bonding strength of steel bar embedded in normal concrete at water-cement ratio (w/c) of 0.55. Doi: 10.28991/cej-2020-SP (EMCE)-06.

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Pull-Out and Bond Degradation of Rebars in Reinforced ...

Feb 07, 2021  10%  Al-Shannag MJ, Charif A (2017) Bond behavior of steel bars embedded in concretes made with natural lightweight aggregates. J King Saud Univ Eng Sci 29(4):365–372 Google Scholar 68.

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Frontiers Experimental Study of Bond Behavior Between ...

Mar 04, 2021  As is known to all, good bond property between steel bars and surrounding concrete is critical to ensure that the two materials work together and the bond behavior between steel bars and concrete is the basis for engineering design, numerical analysis, and numerical simulation of reinforced concrete structures (Ma et al., 2017; Nguyen et al ...

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Bond Behavior of Deformed Bars in Self-Compacting ...

However, the bond behavior of deformed bars in SCLC at early ages has not been reported, which has hindered the application of this high-potential concrete. Therefore, in this study, a comprehensive experiment was conducted to investigate the bond behavior of deformed bars in SCLC at early ages, which involved a total of 135 pull-out specimens ...

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CRD-C24-01 Standard Test Method for Comparing

150-mm concrete cubes each containing a vertically embedded bar, and for 6 by 6 by 12-in. or 50 by 150 by 300-mm prisms each containing two horizontally embedded bars. The molds preferably shall be made of metal, not less than 1/4 in. (6 mm) thick. If made of wood, they shall be lined with smooth sheet metal approximately 1/8 in. (3 mm) thick.

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Bond behavior of steel and GFRP bars in self-compacting ...

Jun 30, 2014  The results revealed that regarding the suitable adhesion treatment of steel bars, their bond behavior is higher than that of GFRP bars in SCC. The drop in bond strength of steel bars at the top of vertical elements averages 5.49% less in SCC than in NC and 8.06% in the case of GFRP bars. Also, for both SCC and NC, reducing the water to cement ...

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Local bond stress slip behavior of reinforcing bars ...

slip behavior of reinforcing bars embedded in . ... behavior of bond between concrete and deformed steel bar as an example, since there is a better ... Two types of concretes were made: LWAC and ...

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Bond-slip behavior of steel bar embedded in lightweight ...

Pull out tests are conducted for three kind of plain and deformed steel bars having diameter 10, 12 and 16 mm respectively, which are embedded in concrete cubes made by the two mixtures to know local bond-slip relation.

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Bonding Behavior of Deformed Steel Rebars in Sustainable ...

In order to assess the bond behavior of deformed steel rebars in recycled-aggregate concrete (RAC) incorporating both fine and coarse recycled aggregate, pull-out tests were carried out in this study on 16-mm diameter deformed steel rebars embedded concentrically in RAC. The concrete was designed us

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Bond–slip behaviour of deformed reinforcing bars embedded ...

Apr 15, 2016  In the approach, bond stress at the post-yield stage of reinforcement is calculated from existing test data of deformed rebars embedded in well-confined concrete under pull-out loads. The approach is calibrated by experimental results of steel bars with various embedment lengths.

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Steel–concrete bond behaviour of lightweight concrete with ...

Sep 04, 2013  Campione et al. performed bond tests on steel bars embedded in lightweight concretes (density ~1,600 kg/m 3) with different percentages of hooked steel fibres (0, 0.5, 1, and 2 %); the lightweight aggregates were expanded clay (density of 650 kg/m 3). As the fibre percentage increased, the compressive and tensile strength and especially the ...

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The bond behaviour between concrete and corroded ...

interaction between concrete and reinforcing steel bar, which enables the force transfer and the compatibility of deformation between ing reinforc steel bar and the surrounding concrete. PIt is made up of three components: chemical adhesion, friction and mechanical interaction. For deformed steel bars, bond depends primarily on the mechanical

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STUDY OF BOND STRENGTH ON VARIOUS FIBRE

characteristics. As per IS 456:2000 the bond between steel and concrete fails during severe to extreme environmental conditions. This paper evaluates the Bond behavior of reinforcement bar of 16mm on various grades of FRC. A study on effect of steel and fibres on the bond strength of deformed steel bars embedded in fibre reinforced concrete was

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Pullout behaviour of deformed steel bars in high-strength ...

The results of 30 pullout tests carried out on 8-mm and 10-mm dia. deformed steel bars concentrically embedded in high-strength recycled aggregate concrete with coarse recycled concrete aggregate (RCA) replacement levels of 25%, 50%, 75% and 100% are reported. The measured bond–slip relationships indicate similar mechanisms of bond resistance in the RCA and the natural coarse aggregate ...

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LOSS OF CONCRETE-STEEL BOND STRENGTH UNDER

Steel properties: As mentioned previously, plain surface and deformed surface steel bars having diameters 8, 10, 12 and 14 mm were used in determining the lightweight and ordinary concrete-steel bond strength. Some properties of these steel bars, obtained through tensile test, are given in Table 2. Table 2. Some mechanical properties of steel ...

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Modified Steel Bar Model Incorporating Bond-Slip for ...

Nov 11, 2012  This paper presents a simplified model for describing the response of a longitudinal bar embedded in concrete, taking into account the bond-slip phenomenon. The model is developed by assuming a linear bond-slip field along the bar anchorage length and provides a simplified stress-strain relationship to assign to the longitudinal reinforcement.

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Computational Modelling of Concrete Structures ...

Feb 07, 2018  Modeling of bond fatigue in reinforced concrete based on cumulative measure of slip A. Baktheer R. Chudoba. Fatigue life assessment of reinforced concrete members considering bond-slip S. Bhowmik S. Ray. Simulation of interface behavior between steel and concrete to study loss of bond due to reinforcement corrosion B. Sanz, J. Planas J.M ...

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Frontiers Experimental Study of Bond Behavior Between ...

Mar 04, 2021  As is known to all, good bond property between steel bars and surrounding concrete is critical to ensure that the two materials work together and the bond behavior between steel bars and concrete is the basis for engineering design, numerical analysis, and numerical simulation of reinforced concrete structures (Ma et al., 2017; Nguyen et al ...

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Bond and Development in New Types of Concrete and ...

Learning Objectives. 1. Discuss bond performance of plain and ribbed reinforcing bars embedded in non-conventional concretes, including steel fiber reinforced concrete (SFRC), high strength concrete (HSC), and ultra-high strength concrete (UHPC). 2. Recognize the effect of steel fibers on reinforcement bond strength. 3.

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Studies on adhesive bond strength of steel reinforcing ...

Nov 12, 2018  The bond stress transfer between steel and concrete depends on chemical adhesion, sliding friction and mechanical interactions. This paper describes the “adhesive bond behavior” of machine polished 12,16 and 20mm diameter bars embedded in Geopolymer concretes.

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Bond strength of deformed steel bars in high-strength ...

Oct 28, 2014  The load–slip relationships of the 8 mm and the 10 mm diameter deformed steel bars embedded in the RCA concretes were similar to those obtained with the NCA concrete and across both these concrete types, bond–slip behaviour corresponding to the stages of micro-slip, internal cracking, pullout, descending and residual could be identified in ...

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