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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Influence of the Saturation Degree of Concrete on Chloride Diffusion: Laboratory and Field Tests in Marine Structure 22-Year-Old
Author(s): A.T.C. Guimaraes and P.R.L. Helene
Publication: Special Publication
Appears on pages(s): 169-192
Keywords: chloride; concrete; durability; marine environment; saturation degree
Abstract:The application of deterministic models based only on Fick's Laws can show considerable differences compared to the effective chloride profiles in existing marine structures. An important factor to be taken into consideration is the influence of the concrete saturation degree (SD). In the research, a laboratory test method for the influence of the SD on chloride diffusion in hardened cement paste was developed. Test results were applied to an existing marine structure with 22 years old. Results indicate that the concrete SD has a great influence on chloride diffusion and requires further research. It also shows that the SD should be taken into account when estimating the service life of concrete structures and a model is proposed.
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