56 ABNT NBR 15577-4-2018 2018-07-19 Portuguese Aggregates - Alkali-aggregate reactivity Part 4: Determination of expansion on mortar bars by accelerated mortar-bar method 57 ABNT NBR 15577-6-2018 2018-07-19 Portuguese Aggregates - Alkali-aggregate reactivity Part 6: Determination of expansion o...
56 ABNT NBR 15577-4-2018 2018-07-19 Portuguese Aggregates - Alkali-aggregate reactivity Part 4: Determination of expansion on mortar bars by accelerated mortar-bar method 57 ABNT NBR 15577-6-2018 2018-07-19 Portuguese Aggregates - Alkali-aggregate reactivity Part 6: Determination of expansion o...