recycled crushed concrete ballarat in korea

Jan 01, 2008 Recycled aggregates derived from a crushed concrete building, built in Seoul in 1963, were used for all mixes, except for the ‘Control’ specimens cast with natural granite gravel. Very little of the debris on the aggregate (i.e., cement paste contaminants on the natural aggregate) indicated carbonation, when exposed to the phenolphthalein ...