EFFECTS OF DC STRAY CURRENT ON CONCRETE STRUCTURE

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AGHAJANI A.; GOLOZAR M.A.; SAATCHI A.; RAEISSI K.; SHABANI S.

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Paper Information

Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2016 | Volume:47 | Issue:3 Page(s): 17-30

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Title

EFFECTS OF DC STRAY CURRENT ON CONCRETE STRUCTURE

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Keywords

STRAY CURRENTQ2

CONCRETEQ3

PERMEABILITYQ2

Abstract

Effects of DC STRAY CURRENT on CONCRETE structures were studied concentrating on effect of CONCRETE, instead of effects on corrosion of steel bars. CONCRETE samples prepared with different water/cement (w/c) ratio and silica fume content were submerged in distilled water for 30 days while subjected tothe application of a voltage of 50 VDC. The effects DC STRAY CURRENT on the properties of CONCRETE were determined by resistivity, Electrochemical Impedance Spectroscopy, chloride diffusion depth and Rapid Chloride Penetration tests. The results showed DC STRAY CURRENT increased PERMEABILITY of the CONCRETE. The critical role of w/c ratio and silica fume additive on the degradation effects created by DC STRAY CURRENT was investigated. A mechanism based on the migration of calcium and hydroxyl ions out of thepore solution and the dissolution of Ca (OH) 2 precipitates from the hydrated phase was proposed for the explanation of DC potential on the degradation of CONCRETE.

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APA: Copy

AGHAJANI, A., GOLOZAR, M.A., SAATCHI, A., RAEISSI, K., & SHABANI, S.. (2016). EFFECTS OF DC STRAY CURRENT ON CONCRETE STRUCTURE. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 47(3), 17-30. SID. https://sid.ir/paper/165519/en

Vancouver: Copy

AGHAJANI A., GOLOZAR M.A., SAATCHI A., RAEISSI K., SHABANI S.. EFFECTS OF DC STRAY CURRENT ON CONCRETE STRUCTURE. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2016;47(3):17-30. Available from: https://sid.ir/paper/165519/en

IEEE: Copy

A. AGHAJANI, M.A. GOLOZAR, A. SAATCHI, K. RAEISSI, and S. SHABANI, “EFFECTS OF DC STRAY CURRENT ON CONCRETE STRUCTURE,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 47, no. 3, pp. 17–30, 2016, [Online]. Available: https://sid.ir/paper/165519/en

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