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Volume 18
Issue 9
10.3390/ma18091931
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Article

Study on Mass and Performance Deterioration of Concrete Under Multiple Corrosive Environments

by
Haicheng Yang
1,
Weifeng Liu
2,*,
Hongfa Yu
2,*,
Wei Wang
1 and
Haiyan Ma
2
1
CCCC Fourth Harbor Engineering Institute Co., Ltd., Guangzhou 510230, China
2
Department of Civil and Airport Engineering, Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
*
Authors to whom correspondence should be addressed.
Materials 2025, 18(9), 1931; https://doi.org/10.3390/ma18091931
Submission received: 10 March 2025 / Revised: 10 April 2025 / Accepted: 15 April 2025 / Published: 24 April 2025
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Abstract

This study investigates the corrosion behavior, mass changes, and relative dynamic elastic modulus variations of PC (Portland cement concrete) and G60 (with 60% slag) under two treatment methods: immersion in 3.5% NaCl solution and composite (3.5% NaCl + 5.7% Na2SO4) solution, as well as dry–wet cycles. Results indicate that under water and NaCl conditions, no significant mass loss or modulus reduction occurred, with only minor surface efflorescence. However, in the composite solution, severe spalling was observed, with mass loss reaching approximately 1.4% and the relative dynamic modulus decreasing to around 90% after 540 days. Dry–wet cycling accelerated the corrosion process compared to immersion, leading to greater mass loss and modulus reduction. The incorporation of slag improved resistance to ionic penetration in both chemical corrosion and salt crystallization, though this effect diminished with prolonged exposure or increased cycling.
Keywords: solution corrosion; dry–wet cycling; mass loss; relative dynamic modulus; slag solution corrosion; dry–wet cycling; mass loss; relative dynamic modulus; slag

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MDPI and ACS Style

Yang, H.; Liu, W.; Yu, H.; Wang, W.; Ma, H. Study on Mass and Performance Deterioration of Concrete Under Multiple Corrosive Environments. Materials 2025, 18, 1931. https://doi.org/10.3390/ma18091931

AMA Style

Yang H, Liu W, Yu H, Wang W, Ma H. Study on Mass and Performance Deterioration of Concrete Under Multiple Corrosive Environments. Materials. 2025; 18(9):1931. https://doi.org/10.3390/ma18091931

Chicago/Turabian Style

Yang, Haicheng, Weifeng Liu, Hongfa Yu, Wei Wang, and Haiyan Ma. 2025. "Study on Mass and Performance Deterioration of Concrete Under Multiple Corrosive Environments" Materials 18, no. 9: 1931. https://doi.org/10.3390/ma18091931

APA Style

Yang, H., Liu, W., Yu, H., Wang, W., & Ma, H. (2025). Study on Mass and Performance Deterioration of Concrete Under Multiple Corrosive Environments. Materials, 18(9), 1931. https://doi.org/10.3390/ma18091931

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