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US 11,685,693 B2Granted
Two component green concrete kit
AssigneeKing Fahd University of Petroleum and Minerals
InventorsMohammed Ibrahim, Mohammed Maslehuddin, Muhammed Kalimur Rahman, Hatim Mohamad Dafallah, Megat Azmi Megat Johari
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Abstract
A green concrete and mortar compositions free of Portland cement are disclosed. The compositions comprise Natural pozzolan, nanosilica particles, and alkaline activator. The green concrete produced from the composition of the invention is cured at ambient temperature and has higher compressive strength than that of concrete made with Portland cement.
Claims12
A two-component concrete kit, comprising:
- a. a concrete package comprising:
- a natural pozzolan;
- a fine aggregate comprising sand;
- and
- a coarse aggregate,
- wherein the concrete package is a Portland cement-free green concrete composition comprising silicon dioxide nanoparticles having an average surface area in the range of 20 m2/g to 150 m2/g, and one or more alkaline activators, and
- b. an alkali package comprising:
- an alkali hydroxide,
- and an alkali silicate.
6 more elements
Dependencies are inferred from the claim text.