Mechanisms of physical sulfate attack

Title: Mechanisms of physical sulfate attack
Author(s): Paul Brown
Paper category : conference
Book title: International RILEM Symposium on Concrete Science and Engineering: A Tribute to Arnon Bentur
Editor(s): J. Weiss, K. Kovler, J. Marchand, and S. Mindess
Print-ISBN: None
e-ISBN: 2912143926
Publisher: RILEM Publications SARL
Publication year: 2004
Nb references: 8
Language: English

Abstract: Aspects of physical sulfate attack of concrete are discussed. As physical sulfate attack involves the migration of electrolyte solutions, the prevalence of sulfate and carbonate evaporate minerals in the environment and their effects on the environment are summarized. The interaction of these minerals with porous media is described and this is accompanied by a description of the mechanism driving their migration. Forms and consequences of sulfate attack are briefly reviewed to provide a context for the phenomena involved in physical sulfate attack. The nature of the processes involved in physical sulfate attack is discussed as are the mechanisms which result in damage. In particular, the effects of crystal growth pressure and hydration pressure are considered.

Online publication: 2004-03-25
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143926.105

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