Bond performance and bond-slip constitutive model for rebar embedded in rubber powder-modified polypropylene fiber reinforced concrete

Chen, Yuxiu; Zhao, Yong; Zeng, Lei; Zhang, Wenxuan; Yang, Tao

doi:10.1016/j.conbuildmat.2023.130934

Construction and Building Materials

2023

DOI: 10.1016/j.conbuildmat.2023.130934

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Bond performance and bond-slip constitutive model for rebar embedded in rubber powder-modified polypropylene fiber reinforced concrete

Yuxiu Chen

Yong Zhao

Lei Zeng

et al.

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2024

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Cited by 7 publications

References 31 publications

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Bond‐slip behavior between polypropylene fiber concrete and corroded reinforcement

Liu,

Song,

Wang

et al. 2024

Structural Concrete

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In this paper, the bond‐slip behavior and bond‐slip constitutive model of corroded reinforcement embedded in polypropylene fiber‐reinforced concrete (PFRC) were investigated. The central pullout test was conducted for 36 specimens. The effects of the corrosion level of reinforcement and the volume fraction of polypropylene (PP) fibers in concrete on the damage mode and bond‐slip process between reinforcement and concrete were studied. Based on the experimental data, a modified bond‐slip constitutive model considering the corrosion level of reinforcement and the volume fraction of PP fibers in concrete was proposed, and the proposed modified bond‐slip constitutive model was used in finite element analysis. The results showed that the addition of PP fibers effectively improved the ultimate bond strength, peak slip and bond toughness of reinforcement and concrete. The enhancement of the bonding properties of the specimens by the PP fibers remained significant after the reinforcement was corroded. The proposed modified bond‐slip constitutive model agreed well with the experimental results. The validity of the proposed model was further verified by finite element analysis.

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Bond‐slip behavior between polypropylene fiber concrete and corroded reinforcement

Liu,

Song,

Wang

et al. 2024

Structural Concrete

View full text Add to dashboard Cite

show abstract

Experimental and theoretical study on the bonding property between PC steel bar and concrete under monotonic and cyclic loading

Zhang,

Li,

Sun

2024

Construction and Building Materials

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Bond behavior of BFRP bars in ultra-high performance seawater sea-sand concrete reinforced by non-metallic fibers

Jiang,

Wang,

Ben

et al. 2024

Engineering Structures

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Bond performance and bond-slip constitutive model for rebar embedded in rubber powder-modified polypropylene fiber reinforced concrete

Cited by 7 publications

References 31 publications

Bond‐slip behavior between polypropylene fiber concrete and corroded reinforcement

Bond‐slip behavior between polypropylene fiber concrete and corroded reinforcement

Experimental and theoretical study on the bonding property between PC steel bar and concrete under monotonic and cyclic loading

Bond behavior of BFRP bars in ultra-high performance seawater sea-sand concrete reinforced by non-metallic fibers

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