DescriptionASR concrete pillar National Gallery of Canada 01.jpg
English: Surface of a concrete pillar of the building of the National Gallery of Canada at Ottawa presenting the typical crack pattern of the alkali-silica reaction (ASR).
Français : Surface d'un pilier de béton du bâtiment du musée des beaux-arts du Canada à Ottawa présentant les signes caractéristiques de faïençage de la réaction alcali-silice (RAS).
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