Portland aplite cement

The intrusive rock aplite consists of quartz and feldspar. Ground aplite powder is highly reactive and can replace more than 70% of the Portland cement in a high quality cement. As a result the emissions of carbon dioxide can be reduced to one third compared to traditional Portland cement. Aplite is abundant and frequent in all areas where granite massifs occur. Concretes made with Portland-aplite cement are assumed to be strong. It was probably first used in the Norwegian coastal town of Alesund in the early 1900s, and was then more or less forgotten until recently.

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