Modeling of the tension stiffening behavior and the water permeability change of steel bar reinforcing concrete using mesoscopic and macroscopic hydro-mechanical lattice model

Bui, Truong Son; Pham, Duc Tho; Vu, Minh‐Ngoc; Nguyen, T.N.; Nguyen‐Sy, Tuan; Nguyen, Van-Loi; Nguyen-Thoi, Trung

doi:10.1016/j.conbuildmat.2021.123266

Cited by 5 publications

(2 citation statements)

References 62 publications

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“…Other studies have been carried out for tension stiffening in lightly reinforced concrete slabs, steel fiber-reinforced concrete, FRP reinforced concrete and recycled aggregate concrete [22][23][24][25]. Bui et al [26] studied the tensile stiffening behavior by means of mesoscopic and macroscopic hydromechanical lattice simulations and proposed a feasible research method for the tensile stiffening of reinforced concrete. However, relatively little effort has been devoted to evaluating the effects of corrosion on bonding behaviors and tension stiffening [27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Degradation of Bonding Behavior between Reinforcing Bars and Concrete after Corrosion and Fatigue Damage

He¹,

Zhao²,

Wang³

et al. 2022

Structural Durability &Amp; Health Monitoring

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In marine environments, the durability of reinforced concrete structures such as bridges, which suffer from the coupled effects of corrosion and fatigue damage, is significantly reduced. Fatigue loading can result in severe deterioration of the bonds between reinforcing steel bars and the surrounding concrete, particularly when reinforcing bars are corroded. Uniaxial tension testing was conducted under static loading and fatigue loading conditions to investigate the bonding characteristics between corroded reinforcing bars and concrete. An electrolyte corrosion technique was used to accelerate steel corrosion. The results show that the bond strength was reduced under fatigue loading, although the concrete did not crack. Therefore, fatigue loading has negative effects on the bond strength between corroded steel bars and concrete. The effects of corrosion cracking on bond strength become more pronounced after corrosion cracking appears along the main reinforcing bars. When the average width of cracking along main reinforcing bars exceeds 3 mm, the bonding properties deteriorate rapidly based on the effects of corrosion cracking, whereas fatigue loading exhibits no additional effects on bond strength.

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Section: Introductionmentioning

confidence: 99%

Experimental Study on the Degradation of Bonding Behavior between Reinforcing Bars and Concrete after Corrosion and Fatigue Damage

He¹,

Zhao²,

Wang³

et al. 2022

Structural Durability &Amp; Health Monitoring

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“…In the last decades, Fiber Reinforced Concretes (FRC) have been widely used employed as an efficient in order to control the crack width and to enhance the durability of concrete structures [2][3][4][5][6][7][8]. Recently, the secondary creep of FRC beams under high sustained loading has also been investigated with special attention on the crack opening growth over time [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of the secondary creep of fiber reinforced concrete at high stress: Macroscopic measurement and digital image correlation

Tho

Tien

Thanh

et al. 2022

STCE

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The secondary creep of Fiber-Reinforced Concrete (FRC) under high sustained stress levels is a key issue for structural durability when considering the capacity to guarantee small crack widths under serviceability states. This study investigates the time-dependent deformation of FRC beams under loading level Ps/P0 greater than 80% (Ps is the load at reloading and P0 is the load before unloading) with various aggregate sizes by using both the classical macroscopic measurement and the digital image correlation analysis (DIC). Notched beams made of FRC and Fiber Reinforced Mortar (FRM) (i.e. without aggregate) were firstly pre-cracked by static load and then applied by a loading equal to 80% of strength. The evolution of the deflection, the crack width, and the crack propagation were both measured by traditional sensors and calculated by DIC. Comparison between results from FRC and FRM materials highlights the influence of microstructure heterogeneity on the secondary creep of FRC. Moreover, the DIC analysis helps to get insights on the secondary creep mechanism.

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Permeability of concrete considering the synergetic effect of crack’s shape- and size-polydispersities on the percolation

Chen

Liu

et al. 2022

Construction and Building Materials

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Modeling of the tension stiffening behavior and the water permeability change of steel bar reinforcing concrete using mesoscopic and macroscopic hydro-mechanical lattice model

Cited by 5 publications

References 62 publications

Experimental Study on the Degradation of Bonding Behavior between Reinforcing Bars and Concrete after Corrosion and Fatigue Damage

Experimental Study on the Degradation of Bonding Behavior between Reinforcing Bars and Concrete after Corrosion and Fatigue Damage

Experimental investigation of the secondary creep of fiber reinforced concrete at high stress: Macroscopic measurement and digital image correlation

Permeability of concrete considering the synergetic effect of crack’s shape- and size-polydispersities on the percolation

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