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steel–concrete bond behaviour of lightweight concrete with

steel–concrete bond behaviour of lightweight concrete with

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

Sep 04, 2013  10%  The experimental program presented in this paper was aimed to investigate the steel–concrete bond behaviour of lightweight concrete. The lightweight concrete was obtained by substituting part of the traditional coarse aggregates with beads of expanded polystyrene (EPS). The addition of EPS in the concrete mix could influence the bond behaviour with steel

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(PDF) Steel–concrete bond behaviour of lightweight ...

The experimental program presented in this paper was aimed to investigate the steel-concrete bond behaviour of lightweight concrete. The lightweight concrete was obtained by substituting part of ...

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Steel–concrete bond in lightweight fiber reinforced ...

May 01, 2005  The aim of the research was to investigate the local bond-slip behavior of deformed steel bars embedded in lightweight fibrous concrete under monotonic and cyclic reversal loads. The parameters investigated were: — the shape and dimensions of concrete specimens; — the embedded length; — the percentages of fibers; — the geometrical ratio ...

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Steel–concrete bond strength of lightweight self ...

Oct 21, 2008  10%  The bond behavior of lightweight self-consolidating concrete (LWSCC) must be understood in order to use this type of high performance concrete in structural members. The objective of this research program is to assess the bond behavior of reinforcing steel bars embedded in LWSCC members. Three different classes of LWSCC mixtures were developed with two different types of

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Bond behavior of lightweight concrete-filled steel tubes ...

Fu et al. examined the steel tube-lightweight concrete core bond behavior in CFT members and observed that the bond strength changed independently from the compressive strength of the lightweight concrete, and the vibration quality of concrete during the concrete pouring together with the curing procedure could affect the bond strength.

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(PDF) Bond Behaviour of Structural Lightweight Concrete

In this study, the bond strength between concrete and steel reinforcement of structural concrete produced by lightweight pumice aggregate (SLWAC) and

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(PDF) Steel–concrete bond behaviour of lightweight ...

The experimental program presented in this paper was aimed to investigate the steel-concrete bond behaviour of lightweight concrete. The lightweight concrete was obtained by substituting part of ...

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Bond behavior of reinforcement in Lightweight Aggregate ...

Jun 15, 2016  Abstract. An investigation of the steel-to-concrete bond in Lightweight Aggregate Self-Compacting Concrete (LWASCC, comprising exclusively pumice aggregates) is presented based on direct pull-out and beam tests. Experimental parameters include: rebar diameter, bond length and type of additive used in the LWASCC mixture.

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New methodology to analyze the steel–concrete bond in CFST ...

Jan 07, 2021  From this experimental program, it was found that the type of concrete used as a core filler in CFST influences the bond mechanisms between steel and concrete. The CFSTs filled with concretes with a lower elasticity modulus (lightweight concretes, LC and EC) had a higher steel–concrete bond strength compared to the conventional one.

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Bond Behaviour of Lightweight Steel Fibre-Reinforced

Bond Behaviour of Lightweight Steel Fibre-Reinforced Concrete To the Faculty of Ceramics, Glass and Construction Materials Technical University Bergakademie, Freiberg approved THESIS To attain the academic degree of Doctor of Engineering (Dr.-Ing) submitted By: MSc. Ahsan Ali Born on August 14, 1978 in Shikarpur, Pakistan.

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Bonding of steel reinforcement in structural expanded clay ...

A comprehensive experimental study on the concrete–steel bond behaviour of structural expanded clay lightweight aggregate concrete (LWC) was carried out using different compositions, types and initial wetting conditions of lightweight aggregates, anchorage lengths, reinforcement arrangements, strength classes and failure mechanisms.

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Experimental study on the longitudinal shear bond behavior ...

Dec 15, 2017  The geometry of closed profiled steel sheeting produced a strong bond between the concrete and the steel profile. The upper flanges of the steel profile were encased within LWAC making those even stiffer, and the inverted triangular shape restrained the interface separation during deformation. ... Mechanical behavior of lightweight concrete ...

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Flexural behavior of precast, prestressed, lightweight ...

Mar 08, 2021  Experimental study on the longitudinal shear bond behavior of lightweight aggregate concrete-Closed profiled steel sheeting composite slabs Constr. Build. Mater. , 156 ( 2017 ) , pp. 599 -

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Temperature effect on behavior of structural light weight ...

Jan 01, 2020  Expanded clay lightweight aggregates (Sintagg) are more light weight aggregate made by heating clay to around 1200 °C (2190 °F) in a rotary kiln. The structural light weight concrete of M40 grade was developed by using Sintagg aggregates, which used to fill in steel tubes columns (circular, square, and rectangular). This paper investigated the effect of temperature variations (600–1000 °C ...

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Ultimate load behaviour of bamboo-reinforced lightweight ...

Jan 01, 1995  Keywords: Lightweight concrete, beams, bamboo reinforcement, bending strength, ultimate load, bamboo treatment, deflection, cracking, struc- tural behaviour, bond stresses, design. INTRODUCTION Low-cost housing construction both in devel- oped and developing countries is a complicated and ever present problem.

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Investigation of bond behavior between lightweight ...

Aug 25, 2011  This paper investigates bond behavior of structural lightweight concrete (SLWC) and ordinary concrete (OC) comparatively using bending test called Standard Belgium Hinged Beam Test (SBHBT). For this purpose the experiments were carried out as three series on 36 beam specimens (12 specimens of SLWC and OC with $20{\phi}$ development length, 12 specimens of

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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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Bond behaviour of deformed steel reinforcement in ...

This study characterizes the bond behaviour of deformed steel reinforcement in lightweight foamed concrete, quantifies several of its engineering properties and presents prediction models. The concretes used for testing were a benchmark normal weight concrete and lightweight foamed concretes with casting densities of 1200, 1400 and 1600 kg/m3 ...

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Post-heating bond behaviour between lightweight fibrous ...

Sep 04, 2008  The post-heating bond behaviour between fibre reinforced lightweight aggregate concrete (LWAC) and 20 mm-diameter steel bars was experimentally investigated using a modified type of pullout specimen.

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Bond stress-slip behaviour of steel reinforcing bar ...

Oct 24, 2013  Experimental study was carried out to evaluate the application of metallic fibers to confine the concrete in column-beam joint. Pullout tests on cubic specimens of size 200 × 200 × 200 mm with deformed steel bar embedded for a fixed length of 5 times the diameter of tested deformed bar were performed under monotonic applied displacement at the tip of the bar (displacement controlled tests ...

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STUDY OF LIGHTWEIGHT CONCRETE BEHAVIOUR

STUDY OF LIGHTWEIGHT CONCRETE BEHAVIOUR Lightweight concrete can be defined as a type of concrete which includes an ... It can be used with steel reinforcement as to have a good bond between the steel and the concrete. The concrete should provide adequate protection against the corrosion of the steel. The shape and the

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Post-heating bond behaviour between lightweight fibrous ...

Sep 04, 2008  The post-heating bond behaviour between fibre reinforced lightweight aggregate concrete (LWAC) and 20 mm-diameter steel bars was experimentally investigated using a modified type of pullout specimen.

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Bond behaviour between reinforcing steel and concrete ...

3.1 Bond behaviour and failure modes The structural behaviour of reinforced concrete elements basically requires the interaction between steel reinforcement and concrete. Tensile forces in the area of separating cracks and bending cracks are carried by the reinforcement and transferred into concrete by bond

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INTERFACE BOND BEHAVIOUR BETWEEN CIRCULAR STEEL TUBE

Dec 19, 2016  Advanced Steel Construction an International Journal. ABSTRACT. To ascertain the nature of the interface bond behaviour of lightweight aggregate concrete-filled steel tubes (LACFSTs), 27 specimens were tested by push-out loading and four of them were subjected to

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IMENTAL INVESTIGATION ON BOND STRENGTH IN

Abstract-In this paper, bond behavior between the steel tube and light weight concrete containing expanded polystyrene beads as partial replacement for Coarse Aggregate (CA) is investigated. Replacement of CA is done in 0%, 10% and 20% in the concrete mix. For experimentation Taguchi’s method is used, 27 specimens

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Bonding Performance for Lightweight Concrete: A Review ...

Dec 09, 2020  Therefore, in order to get rid of these defects of concrete and make it usable in various construction sectors, this paper summarizes researchers works concerning bond behavior between light weight concrete and reinforcing bars , the variable influencing bond behavior such as; concrete type, rebar type and diameter, W/C ratio, and adding fibres ...

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Experimental Study on Bond Behavior of Profiled Steel ...

At present, there are much more researches on the ordinary concrete composite slab, and that on the lightweight aggregate concrete composite slab are relatively less. In this paper, the shear-bond behavior of lightweight aggregate concrete composite slab, with the profiled steel sheet YX-76-344-688, which is commonly used in China is studied.

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Mechanical, toughness, bond and durability-related ...

Aug 10, 2016  Grade 500 MPa high yield ribbed steel reinforcing bar of 12 mm ϕ was used in the bond test to study the bond behaviour between the OPSC and the steel bar.. Mix proportion and procedure. As shown in Table 1, a total of four concrete mixes were prepared using constant cement, sand and OPS content of 515, 950 and 410 kg/m 3, respectively.The water-to-cement ratio used for all mixes

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Experimental Investigation on Local Bond-Slip Behavior in ...

Experimental results of the local bond stress-slip relationship of reinforcing bars embedded in lightweight fiber reinforced concrete with expanded clay aggregates are presented.

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A comparative study on the bond performance between rebar ...

In this study, the bond strength between concrete and steel reinforcement of structural concrete produced by lightweight pumice aggregate (SLWAC) and normal-weight aggregate (NWAC) is

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Bond Properties of Steel Bar in Concrete under Water ...

Oct 26, 2019  concrete technology, the bond behavior of steel bar in new concrete, such as the recycled-aggregate concrete, the manufactured sand concrete, and the lightweight-aggregate concrete, has to be studied with a comparison to that in the conventional concrete [29–33].

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Bond Stress between Steel-Reinforced Bars and Fly Ash ...

Apr 21, 2020  Geopolymer concrete has been regarded as one of the most important green construction materials, which has been restrained in engineering applications partially due to a lack of bond studies. The structural performance of the reinforced concrete components primarily relies on the sufficient bond between the concrete and the reinforcing bars. Before being utilized in any concrete structure, GPC ...

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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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Effect of chloride-induced corrosion on the bond behaviors ...

Jun 01, 2021  The corrosion of steel strands due to the chloride contamination is one of the most common causes for the degradation of prestressed concrete infrastructure. In this paper, an experimental study was performed to investigate the bond behaviors between steel strands and concrete after suffered the chloride corrosion. Total twenty central and off-center pull-out specimens

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