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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: Chloride Penetration Testing of Silica Fume Concretes Under Persian Gulf Conditions
Author(s): M. Ghalibafian, M. Shekarchi, A. Zare, and M. Tadaiion
Publication: Special Publication
Appears on pages(s): 737-754
Keywords: chloride penetration testing; coating; durability; Life-365 model; Persian Gulf conditions; silica fume concretes
Abstract:Chloride induced reinforcement corrosion represents an enormous problem world-wide. The exposure conditions for concrete structures in the Persian Gulf area constitute one of the most aggressive climatic environments in the world. In this region, interaction between concrete and environment controls material performance and has resulted in premature deterioration and low durability of concrete structures and is of major concern. This paper reports experience from in-situ investigations on the effects of differ- ent dosages of silica fume and also a surface coating system applied to concrete decks in Persian Gulf area. The specimens were kept in various placement conditions: fully submerged zone, tidal zone, atmospheric zone, underground zone and laboratory conditions. The focus is placed on the abilitv to prevent chloride ingress. Moreover, the test results have been compared to numerical results obtained, using Life-365 model proposed by Thomas and Bentz.
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