[HTML][HTML] 钢筋混凝土中氯盐和硫酸盐耦合侵蚀研究进展

张成琳, 刘清风 - 材料导报, 2022 - mater-rep.com
摘要钢筋混凝土被广泛应用于公共建筑和大型基础设施的建设中, 但其在服役中常常面临氯盐和
硫酸盐的侵蚀, 尤其是在滨海和盐渍环境中, 其耐久性能将迅速下降, 因此有必要探究硫酸盐和氯 …

Numerical study on the chemical and electrochemical coupling mechanisms for concrete under combined chloride-sulfate attack

Z Meng, Q Liu, N Ukrainczyk, S Mu, Y Zhang… - Cement and Concrete …, 2024 - Elsevier
Cementitious materials exposed to marine and saline environments are commonly
threatened by a combined attack of sulfate and chloride ions. This study developed a …

Numerical investigation of external sulfate attack and its effect on chloride binding and diffusion in concrete

C Zhang, W Chen, S Mu, B Šavija, Q Liu - Construction and Building …, 2021 - Elsevier
Reinforced concrete (RC) structures may suffer from serious durability problems during long-
term service. To investigate the deterioration of RC structures subjected to the dual attacks of …

A chemo-damage-transport model for chloride ions diffusion in cement-based materials: Combined effects of sulfate attack and temperature

P Wang, R Mo, S Li, J Xu, Z Jin, T Zhao… - Construction and Building …, 2021 - Elsevier
Corrosion of reinforcement caused by chloride penetration has become the primary factor of
concrete durability in the saline soil environment. A chemo-damage-transport model for …

Numerical modeling of chloride diffusion in cement-based materials considering calcium leaching and external sulfate attack

W Shao, Q Li, W Zhang, D Shi, H Li - Construction and Building Materials, 2023 - Elsevier
Chloride-induced corrosion of steel bars can shorten the service life of concrete structures in
marine environment. Therefore, a numerical model that can accurately characterize the …

Understanding the degradation mechanisms of cement-based systems in combined chloride-sulfate attack

OO Metalssi, RR Touhami, F Barberon… - Cement and Concrete …, 2023 - Elsevier
Chemical aggressions from the environment, such as salt ions, can damage reinforced
concrete structures before they reach their service life. These deterioration mechanisms are …

Resistance of Concretes to External Chlorides in the Presence and Absence of Sulphates: A Review

JO Ukpata, OR Ogirigbo, L Black - Applied Sciences, 2022 - mdpi.com
Corrosion of steel reinforcement due to chloride attack remains a major reinforced concrete
durability concern. The problem is prevalent for concrete structures located within marine …

Understanding the impact of main seawater ions and leaching on the chloride transport in alkali-activated slag and Portland cement

Z Chen, H Ye - Cement and Concrete Research, 2023 - Elsevier
A growing body of evidence has suggested an aggravated chloride diffusion in concrete
exposed to seawater than to pure NaCl solution of the same chloride concentration …

Sequestration and release of nitrite and nitrate in alkali-activated slag: A route toward smart corrosion control

Z Chen, H Ye - Cement and Concrete Research, 2021 - Elsevier
Intercalating the corrosion inhibitive ions in hydrotalcite is a promising approach to improve
the long-term efficiency of inhibitors in corrosion protection of steel in reinforced concrete. In …

Degradation mechanisms of Portland cement mortar under seawater attack and drying-wetting cycles

S Cheng, Z Shui, X Gao, R Yu, T Sun, C Guo… - … and Building Materials, 2020 - Elsevier
This study investigates the degradation mechanisms of Portland cement mortar under
multiple salts attack and drying-wetting cycle condition. The results indicate that the sulfate …