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- Title
横琴杧洲隧道工程衬砌结构的耐久性与保护层厚度.
- Authors
李见伟; 胡 瑶; 张 伟; 马德群
- Abstract
To study the influencing factors of the durability of the lining structure of the Hengqin Mangzhou Tunnel Project, the W/C 0.35, 0.45 and 0.55 was designed for concrete under different curing ages, and the RCM rapid chloride ion electromigration test was carried out. The results show that the diffusion coefficient of concrete decreased with the increase of curing age. By finite element software to simulate the diffusion of chloride ions, we concluded that the thickness of the protective layer with W/C 0.35, 0.45 and 0.55 with a service life of 100 years is 50 mm, 55mm and 60 mm
- Subjects
CHLORIDE ions; SERVICE life; DIFFUSION coefficients; ELECTRODIFFUSION; TUNNEL lining; CURING
- Publication
Guangdong Architecture Civil Engineering, 2023, Vol 30, Issue 2, p112
- ISSN
1671-4563
- Publication type
Article
- DOI
10.19731/j.gdtmyjz.2023.02.028