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Chemical-mechanical Transformation of Reinforcement Corrosion Expansion Effect on Concrete under Chloride Attack
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Yufeng SONG1, Yidong XU2, 3, Fuyuan GONG1, Jianghong MAO2, 3
Journal of the Chinese Ceramic Society | 2020, 48(8) : 1249 - 1255
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Journal of the Chinese Ceramic Society | 2020, 48(8): 1249-1255
• Research Articles •
Chemical-mechanical Transformation of Reinforcement Corrosion Expansion Effect on Concrete under Chloride Attack
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Yufeng SONG1, Yidong XU2, 3, Fuyuan GONG1, Jianghong MAO2, 3
Affiliations
  • 1.College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310017, China
  • 2.NingboTech University, Zhejiang University, Ningbo 315100, Zhejiang, China
  • 3.Ningbo Research Institute, Zhejiang University, Ningbo 315100, Zhejiang, China

    • SONG Yufeng (1996-), male, Master candidate. E-mail:

About Author:

SONG Yufeng (1996-), male, Master candidate. E-mail:

Published: 2020-08-20 doi: 10.14062/j.issn.0454-5648.20190746
Outline
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A calculation framework was proposed to transform the chemical action of reinforcement corrosion in concrete into mechanical action, leading the chemical reaction of reinforcement corrosion to the macroscopic mechanical behavior. A calculation equation of current density icorr was obtained by the corrosion rate model under different humidity conditions. A relationship between corrosion layer thickness δ and reinforcement corrosion rate icorr was thus determined based on the Faraday law. Also, a relationship between the corrosion expansion stress q and the corrosion layer thickness δ was obtained by the uniform corrosion expansion model. Based on the numerical results, the corrosion current density, corrosion layer thickness and corrosion expansion stress in the calculation frame could be in reasonable agreement with the reported values, thus indicating that the framework of chemical mechanical transformation is feasible.

concrete  /  chloride ion  /  chemical mechanical transformation  /  corrosion rate  /  expansion stress
宋宇峰, 徐亦冬, 弓扶元, 毛江鸿. 氯盐侵蚀作用下混凝土内钢筋锈胀效应的化学-力学转化. 硅酸盐学报, 2020 , 48 (8) : 1249 -1255 . DOI: 10.14062/j.issn.0454-5648.20190746
Yufeng SONG, Yidong XU, Fuyuan GONG, Jianghong MAO. Chemical-mechanical Transformation of Reinforcement Corrosion Expansion Effect on Concrete under Chloride Attack[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (8) : 1249 -1255 . DOI: 10.14062/j.issn.0454-5648.20190746
Appendix
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Year 2020 volume 48 Issue 8
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Article Info
doi: 10.14062/j.issn.0454-5648.20190746
  • Receive Date：2019-11-11
  • Online Date：2026-10-29
  • Published：2020-08-20
Article Data
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History
  • Received：2019-11-11
  • Revised：2019-12-29
Funding
Affiliations
    1.College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310017, China
    2.NingboTech University, Zhejiang University, Ningbo 315100, Zhejiang, China
    3.Ningbo Research Institute, Zhejiang University, Ningbo 315100, Zhejiang, China

Corresponding:

XU Yidong (1980-), male, Ph.D., Professor. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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