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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: Durability of Concrete in Sea Water: Method of Accelerated Testing and Evaluation
Author(s): Shinzo Nishibayashi, Kiyoshi Yamura, and
Publication: Special Publication
Appears on pages(s): 351-378
Keywords: accelerated tests; concrete durability; corrosion resistance; dynamic modulus of elasticity; immersion tests (corrosion); sea water; shrinkage.
Abstract:The seawater resistance of concrete must be considered when it is used for construction on the sea-shore or in the ocean. This paper describes an accelerated test method for assessing durability by subjecting the concrete to repeated cycles of seawater immersion and oven-drying. Test were carried out to evaluate the procedure in which, in addition to visual observation, reduction in dynamic modulus and length changes of the concrete up to 200 cycles were measured. Resistance indicators are proposed which combine these factors. Among the variables included in the test specimens it was found that seawater resistance of concrete is mainly affected by the type of cement, the water-cement ratio, the mixing water (fresh or seawater) and the age at immersion (period of pre-curing) .
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