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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: Assessing the Durability of Concrete Regarding ASR
Author(s): J. Stark and C. Giebson
Publication: Special Publication
Appears on pages(s): 225-238
Keywords: alkali-silica reaction (ASR); durability; performance-test; slow/late aggregates
Abstract:The alkali-silica reaction (ASR) was recognized by Stanton in 1940 and is still today a world-wide problem. The basic reaction mechanisms are reasonably well understood and in many cases a prevention of the ASR is possible. However, there are still severe damages on concrete structures caused by alkali-silica reaction, especially related to slow/late aggregates. This paper presents the experiences with the German Alkali-Guideline during the past decades in Germany and introduces latest approaches in developing forward-looking test methods to assess the durability of concrete regarding ASR due to alkali-reactive slow/late aggregates. The emphasis is particularly placed on assessing the influence of an external alkali supply, i.e. the impact of de-icing solutions, on pavement concretes. For this purpose the cyclic climate storage was used and proved as appropriate method.
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