The Synergistic Effects of Freeze-Thaw, Salt Attack and Bending Stress on Behavior of Reinforced Concrete

Peng Fei Huang; Yi Wang Bao

doi:10.4028/www.scientific.net/KEM.633.313

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 633The Synergistic Effects of Freeze-Thaw, Salt...

The Synergistic Effects of Freeze-Thaw, Salt Attack and Bending Stress on Behavior of Reinforced Concrete

Abstract:

The damage experiments of reinforced concrete (RC) samples under synergistic effects of cyclic freeze-thaw, deicing-salt attack, rebar corrosion and bending stress were investigated using a comprehensive experimental method. Synergistic effects of these factors on the damage evolvement of RC were studied by measuring the change of dynamic modulus of concrete, rebar strain and concrete strain. Experimental results showed similar rule in damage evolvement but different damage rate between the normal-strength concrete (C45, the 28-day compressive strength of 52 MPa) and the high-strength concrete (C70, the 28-day compressive strength of 77 MPa). The dynamic modulus of the reinforced concrete degraded with increasing effecting factors.

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Periodical:

Key Engineering Materials (Volume 633)

Pages:

313-321

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.633.313

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Online since:

November 2014

Authors:

Peng Fei Huang*, Yi Wang Bao

Keywords:

Bending Stress, Deicing-Salt Attack, Freeze-Thaw, Reinforced Concrete, Synergistic Effects

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