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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: Condition Survey of Concrete Structures Built With Potentially Alkali-Reactive Limestone Aggregates from the Quebec City Area (Quebec, Canada)
Author(s): B. Fournier, M. A. Berube, and D. Vezina
Publication: Special Publication
Appears on pages(s): 1343-1364
Keywords: aggregates; alkali-aggregate reactions; concrete durability; deterioration; limestone; petrography; surveys; tests; General
Abstract:Reports the results from the condition survey of about 300 concrete structures of the Quebec City area, with a significant proportion of them showing signs of deterioration commonly associated with alkali-aggregate reactions. Each component of these structures has been described according to the more common defects affecting concrete structures and to exposure conditions. Core samples have been taken in about 70 structures and investigated for physico-mechanical properties and air and chloride contents. Each sample has also suffered a petrographic examination. This study has been done to determine the present condition of these structures, to recognize the occurrence and the severity of the major defects affecting them, and mainly to establish the influence of the alkali-aggregate reactivity on deterioration.
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