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(Institution of Civil Engineers, 2004-05)The presence of chert or flint in aggregates used for concrete manufacture has long been a source of concern in the context of alkali-silica reactivity. The global in-service performance of chert and flint-bearing aggregates, ...
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(2005-05)A systematic assessment scheme for determining the alkali reactivity of aggregates has been developed for international use. Expansion tests were conducted on Irish aggregates. Aggregates were subjected to a sequence of ...
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(2000-06)Irish aggregates have a satisfactory history of service regarding alkali-aggregate reaction despite containing significant amounts of chert and use for a period in conjunction with cements of high alkali level. An investigation ...
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(Royal Irish Academy, 2009-03-10)This report discusses a surface collection of late Mesolithic date from Corralanna, Co. Westmeath. The site, which was discovered after peat extraction in 1999, is characterised by a lithic assemblage comprised almost ...
Now showing items 1-4 of 4