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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: Comparison of Test Results from Laboratory and Long-Term Exposure on Durability of Reinforced Concrete in Marine Environment
Author(s): B. Lin and Y. Cai
Publication: Special Publication
Appears on pages(s): 1435-1452
Keywords: concrete; durability; laboratory test; long-term exposure;marine environment; reinforced concrete
Abstract:This paper presents an overview on durability of reinforced concrete in marine environment in China and relevant test methods based on comparison of results from laboratory and exposure tests. The test results of the reinforced concrete specimens, including ordinary concrete and high-performance concrete containing silica fume and other anticorrosion measures are comprehensively analyzed. The test data of the specimens exposed 3, 9, and 20 years in-situ in the South Sea and 3, 8, and 16 years in Huanghai Sea of China are reviewed. A comparison of test results between the laboratory and long-term exposure is made for evaluating their common characteristics and differences. Based on the Fick’s Law, the chloride ion penetration and diffusion characteristics in the concrete specimens exposed 16-20 years in marine environment are used to estimate the service life of reinforced concrete structures in marine environment. Recommendations for ensuring and improving the durability of the reinforced concrete in marine environment are provided.
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