Cientistas descobrem o segredo por trás da resistência do concreto romano

This microscopic image shows the lumpy calcium-aluminum-silicate-hydrate (C-A-S-H) binder material that forms when volcanic ash, lime and seawater mix. Platy crystals of Al-tobermorite have grown amongst the C-A-S-H in the cementing matrix.. Image Cortesia de Marie Jackson

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