Damage of concrete by sulphate attack and alkali-silica reaction
by M. Collepardi
International Journal of Structural Engineering (IJSTRUCTE), Vol. 1, No. 2, 2010

Abstract: A holistic approach was adopted to examine concrete durability by taking into account both physical aspects (such as capillary porosity, micro-cracking, macrovoids) and chemical reactions. A ternary representation of the complex damage process in reinforced concrete structures was used by examining the coexistence of the main three factors affecting the concrete durability: a) interconnected porosity; b) exposure to aggressive agents; c) presence of water. This model was adopted to examine two specific examples of the concrete damage dealing with the cement matrix and the embedded aggregates: sulphate attack of the cement matrix and alkali-aggregate reaction.

Online publication date: Fri, 05-Feb-2010

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