Predicting the bondslip relationship between concrete and

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Predicting the bond-slip relationship between concrete and ...

Dec 01, 2020  This study investigated the influence of special anchoring holes on the bond-slip behavior between CFRP composites and concrete. For this purpose, one hundred and

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Predicting the bond-slip relationship between concrete and ...

PDF This study investigated the influence of special anchoring holes on the bond-slip behavior between CFRP composites and concrete. For this purpose,... Find

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Prediction of the Bond–Slip Law Between Externally Bonded ...

Nov 18, 2017  In this research, a series of double-lap shear bond tests under fatigue loading were conducted to identify the local bond stress–slip relationship between

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Analysis of bond-slip between concrete and steel bar in ...

Jan 01, 2016  Develop a robust model for predicting the bond-slip between the concrete and steel ribbed bar at elevated temperatures. • Incorporate the bond-slip model into

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Theoretical model for the bond–slip relationship between ...

Aug 14, 2017  This paper conducts a theoretical research into bond–slip relationship between ribbed steel bars and concrete. According to whether the concrete is cracked or

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Analysis of bond-slip between concrete and steel bar in ...

Jan 01, 2016  Develop a robust model for predicting the bond-slip between the concrete and steel ribbed bar at elevated temperatures. • Incorporate the bond-slip model into the Vulcan program for 3D analysis of reinforced concrete structures in fire.. The model has been validated against previous test results and good agreements are achieved.

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FINITE ELEMENT MODELING OF SKEWED REINFORCED

FINITE ELEMENT MODELING OF SKEWED REINFORCED CONCRETE BRIDGES AND THE BOND-SLIP RELATIONSHIP BETWEEN CONCRETE AND REINFORCEMENT Xin Li Master of Science, December 17, 2007 (B.E., Southeast University, China, 2001) 162 Typed Pages Directed by Mary L. Hughes A bridge deck on US 331 near Montgomery, AL developed transverse and

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Bond-Slip Relationships of Wires Used in Pretensioned ...

The bond-slip relationship between the wires and the concrete mix influences this force transfer and, therefore, the quality of the finished tie. Quantifying the bond-slip relationships of the specific wires and concrete mixtures used for ties will improve the accuracy of tie designs and provide valuable input to finite element (FE)

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Analytic solution for the bond stress-slip relationship ...

The presented bond stress-slip relationship is then used to simulate pull-out test specimens, including the effect of stirrups and loading rates by ABAQUS software. The comparison between simulated and experimental results shows that the proposed bond stress-slip relationship can successfully predict the bond stress-slip between rebar and concrete.

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Theoretical Analysis on the Bond-Slip Constitutive ...

The primary objective of this study is to develop equations of the bond stress and relative slippage between fiber-reinforced polymer (FRP) bars and concrete exposed to different temperature ranging from 20°C to 190°C. Equations were established through theoretical analysis and simulation of the bond-slip constitutive relationship between FRP bars and concrete.

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[PDF] Prediction of Bond Between Steel and Concrete by ...

Prediction of Bond Between Steel and Concrete by Numerical Analysis. This paper presents the results of subtask dealing with the bond behavior study of the reinforcement systems under monotonic loading pull-out tests. This numerical method is based on the slip and the bond stress distributions through the anchored length of the bar in the ...

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Modeling Local Bond Stress–Slip Relationships of ...

of the bond stress–slip relationship was proposed. The evaluation and comparison results show that, regardless of the concrete strength grades, the predicted value calculated using the CEB-FIP

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Refining bond–slip constitutive relationship between ...

Mar 15, 2015  While a series of concerning issues need solving in this area (e.g. the bond–slip relationship between steel and concrete), to investigate the bond–slip performance and to carry out the analysis and calculation of complex structures by FEM accurately, an in-depth investigation must be conducted to focus on the bond–slip constitutive ...

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Theoretical model for the bond–slip relationship between ...

Aug 14, 2017  This paper conducts a theoretical research into bond–slip relationship between ribbed steel bars and concrete. According to whether the concrete is cracked or not, the ascending part of the bond–slip curve is divided into two sections which are calculated by two different mechanical models.

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Bond stress–slip relationship between basalt fiber ...

Jan 20, 2016  Although the relationship between fiber-reinforced polymer bars and concrete has been studied, the bond stress–slip relationship between concrete and basalt fiber-reinforced polymer bars considering the effect of bar diameter and concrete strength is still lacking.

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Experimental and theoretical study of bond behaviour ...

Jan 20, 2021  Currently, some available analytical models [42,43,44] for the bond-slip relationship of FRP reinforced concrete components have been proposed by using curve-fitting of the test data to determine the parameters, which aim to identify bond-slip law. Those models are generally developed to evaluate the bond behaviour and failure mechanism in the ...

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Bond Behavior between Steel Rebar and RCA Concrete after ...

Feb 10, 2020  The normalized bond-slip relationship between RCA concrete and steel rebar after high temperature was approximated by the following equation: In equation ( 4 ), , , is the bond stress, is the peak bond stress, is the slip, and is the slip corresponding to the .

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3D FINITE ELEMENT MODELLING OF BOND-SLIP BETWEEN

of reinforced concrete structures one needs a simple and realistic bond-slip model. There are various finite element models for bond-slip relationship between reinforcement and concrete. In this paper, modeling of the transition region between steel and concrete as a cohesion layer in the finite element program (Ansys) is discussed.

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Finite-Element Analysis and Strength Model for IC ...

Apr 20, 2017  This model adopts a crack band model for concrete and incorporates a bond–slip relationship between the steel bars and surrounding concrete, as well as between the FRP plates and concrete substrate. The proposed model is found to be capable of accurately predicting the appearance, development and distribution of cracks in concrete.

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The bond behaviour between concrete and corroded ...

the bond-slip behaviour is characterized by the progressive increase of residual slip, which is the same to that ... adequate bond between concrete and steel bar should be guaranteed. Rib P Splitting crack m ¦ ÌP m Rib. Fig. 1. ... of great significancefor predicting the remaining

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Empirical and NLFEA prediction of bond-slip behavior ...

Abstract A precise bond-slip model between discontinuous structural synthetic fibers (DSSF) concrete and anchored carbon fiber reinforced polymer (CFRP) is of primary importance in the reaching the ultimate strength of CFRP composites as well as the modeling of Reinforced concrete (RC) structures strengthened with CFRP composites. In this paper, a new bond slip model is proposed in terms of ...

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Predicting the Bond Behavior of Prestressed Concrete Beams ...

3. The relationship between bond failure and cracking can be refined and employed to predict the behavior of beams made with de bonded strands. Influence of Cracking on Bond In early research conducted on the anchorage of pretensioned wires, Jan­ ney (1954)' predicted that anchorage would fail if a "wave of high bond

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Theoretical model for the bond–slip relationship between ...

Aug 14, 2017  This paper conducts a theoretical research into bond–slip relationship between ribbed steel bars and concrete. According to whether the concrete is cracked or not, the ascending part of the bond–slip curve is divided into two sections which are calculated by two different mechanical models.

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ANN-Based Model for the Prediction of the Bond Strength ...

Jul 06, 2021  2. A Background of the Bond Behavior between FRP and Concrete Substrate It has been highlighted that the interfacial bond between FRP and concrete plays a cru-cial role in maintaining the mechanical performance and the durability of FRP-strengthened concrete structures. In the absence of specific standards, the recommendations reported

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3D FINITE ELEMENT MODELLING OF BOND-SLIP BETWEEN

of reinforced concrete structures one needs a simple and realistic bond-slip model. There are various finite element models for bond-slip relationship between reinforcement and concrete. In this paper, modeling of the transition region between steel and concrete as a cohesion layer in the finite element program (Ansys) is discussed.

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Modeling of Interaction Between Steel and Concrete in ...

consequently the transverse steel bars and the bond slip between the bars and concrete in the transverse direction cannot be modeled . Therefore, the 3(Kim et al. 2000)-D analysis was performed to validate the accuracy of the 2-D model and to include the modeling of transverse bars in CRCP.

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Digital image correlation measurement of the bond–slip ...

Jul 01, 2014  This paper presents experimental studies aimed at accurately measuring the bond–slip relationship of the FRP sheets to concrete interface using a digital image correlation (DIC) measurement. Double-lap shear specimens were tested with different layers and sequences of carbon or basalt FRP sheets attached to the concrete substrate.

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Experimental and theoretical study of bond behaviour ...

Jan 20, 2021  Currently, some available analytical models [42,43,44] for the bond-slip relationship of FRP reinforced concrete components have been proposed by using curve-fitting of the test data to determine the parameters, which aim to identify bond-slip law. Those models are generally developed to evaluate the bond behaviour and failure mechanism in the ...

Get Price

Finite-Element Analysis and Strength Model for IC ...

Apr 20, 2017  This model adopts a crack band model for concrete and incorporates a bond–slip relationship between the steel bars and surrounding concrete, as well as between the FRP plates and concrete substrate. The proposed model is found to be capable of accurately predicting the appearance, development and distribution of cracks in concrete.

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Influence of bond stress-slip relationship on bond ...

Influence of bond stress-slip relationship on bond strength prediction Alessandro Proia 1, Stijn Matthys 1, Aniello Palmieri 1 1 Magnel Laboratory for Concrete Research, Ghent University, Department of Structural Engineering, Technologiepark-Zwijnaarde 904, 9052 Ghent, Belgium ABSTRACT: The study of the bond stress-slip relationship of FRP (fibre reinforced polymer)

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Bond Behavior of Recycled Concrete: Analysis and ...

Oct 10, 2017  Two functions are developed to predict time-dependent compressive strength and bond stress–slip curve of recycled concrete, both based on the International Federation for Structural Concrete Model Code expressions for conventional concrete.

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Interfacial bond-slip relationship between Carbon Fiber ...

A simplified bond-slip model for CFRP-concrete interface at elevated temperature was proposed, and the nonlinear local bond-slip relationship can be better predicted. Pan et al. (2018 ) and Pan and Xian (2019) performed a single shear test on the bond behavior between CFRP and concrete under the influence of freeze-thaw cycles (−20°C and 30 ...

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Bond–Slip Relationship for CFRP Sheets Externally Bonded ...

precise expression of bond–slip relationship of the CFRP–concrete interface under static and fatigue loading is a base for the reasonable and accurate prediction of the mechanical performance of RC bridges that are strengthened by externally bonded CFRP. Systematic investigations have been carried out on the bond–slip behavior between ...

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