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Research into steel-concrete bond in fire conditions
The article presents results from the research into fire temperature influence on steel-concrete bond and on the bond reduction for both in-fire and after-fire status.
Zoja Bednarek, Paweł Ogrodnik
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Experimental Investigation of Steel-Concrete Bond for Thin Reinforcing Bars [PDF]
The steel-concrete bond is a fundamental property in reinforced concrete structures. Although there are several studies on the steel-concrete bond, few of them have evaluated the performance of reinforcing bars with diameters less than 10.0 mm, which ...
Eliene Pires Carvalho +4 more
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Bond performance between recycled concrete and steel bar after high temperature
To investigate the influence of high temperatures on the bond performance of recycled concrete and steel bar, this article considers the influence of different concrete types (ordinary concrete and recycled concrete) and different temperatures (20, 100 ...
Wang Qihao +3 more
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Nonlinear numerical simulation of bond performance between recycled concrete and corroded steel bars
In this article, the bond performance between recycled concrete and corroded steel bars is analyzed by the nonlinear numerical simulation. The result shows that the maximum bond strength between recycled concrete and steel bar decreases with the increase
Li Zhenfang +6 more
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Reliable bond of steel fiber in concrete is a key problem relating to the reinforcing effect of steel fiber on concrete matrix and for the guide in significance for the optimal design of the geometry and mechanical properties of steel fiber.
Xinxin Ding +4 more
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Experimental Study on the Bond-Slip Behavior of Steel-Steel Fiber Recycled Aggregate Concrete
To study the bond–slip behavior of steel–steel fiber recycled aggregate concrete, push-out tests of 16 specimens were carried out using steel fiber volume ratio, steel fiber aspect ratio, steel protective layer thickness and steel embedded length as the ...
Rui Ren +5 more
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Effect of Adding Carbon Nanotubes on Corrosion Rates and Steel-Concrete Bond [PDF]
AbstractThis paper presents a continuation of the evaluation of utilizing Nano Carbon Tubes (CNTs) in reinforced concrete (CNT-CRETE). The compressive, tensile and bond strengths of the samples with and without CNTs were investigated. Scanning Electron Microscope (SME) was utilized to study the microstructure of the prepared samples.
Ahmed Hassan +2 more
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In this article, the ABAQUS finite element software is used to simulate the bond behavior of the steel bar in salt–frost-damaged recycled coarse aggregate concrete, and the influence of the steel bar diameter and the concrete cover thickness on the bond ...
Su Tian +6 more
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Multi-objective optimization on mix proportions of HSHPC applied to SRC composite structures [PDF]
The fine bond behaviour between steel shape and concrete is the base of their cooperation. For designing high strength and high performance concrete (HSHPC) applied to steel reinforced concrete (SRC) structures, a mathematical model of multi-objective
Zheng Shan-Suo +5 more
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Influence of Hybrid Fibres on Bond Strength of Concrete [PDF]
Bond strength between embedded bar and concrete plays vital role in the design of various reinforced concrete structural elements. Use of metallic and synthetic fibres has been shown to be an effective method to enhance tensile strength, reduce shrinkage
Srinivasa Rao Naraganti +2 more
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