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Alkali-silica reaction in concrete - Simplified guidance for new construction using normal reactivity aggregates: 2004 edition  <B>(Downloadable version)</B>

Alkali-silica reaction in concrete - Simplified guidance for new construction using normal reactivity aggregates: 2004 edition (Downloadable version)

by BRE (27-Jul-2004)

Book Description

Part 1 gives the background to the detailed and simplified guidance contained in Parts 2 and 4. Part 2 gives detailed guidance for minimising the risk of damaging ASR in new construction. Part 3 gives worked examples. Part 4 gives simplified guidance for new construction using aggregates of normal reactivity.

Concrete can deteriorate as a result of an interaction between alkaline pore fluids (principally originating from the Portland cements) and reactive minerals in certain types of aggregates. The mechanism of deterioration is known as alkali-aggregate reaction (AAR); it can occur in a number of forms, the most common being alkali-silica reaction (ASR). 4 pages.

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