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US 6,743,287 B2Granted
Concrete
AssigneeNorsk Glassgjenvinning AS
InventorLasse Sunde
Life of this patent
Estimating the term…
Abstract
A concrete in which the aggregate of sand and stones in at least partially replaced by crushed glass. The sand fraction may be replaced by a glass of grain size 0-5 mm, a non-alkali reactive mineral with grain size 0-5 mm or a combination thereof. The stone fraction may be replaced by glass of grain size 5-20 mm. The concrete further may further comprise silica dust, fly ash or crushed slag.
Claims3
A concrete comprising water, cement, fine aggregate and coarse aggregate,
- the fine aggregate comprising sand and a component selected from the group consisting of crushed glass of a grain size less than 5 mm, a non-alkali reactive mineral with a grain size less than 5 mm and a mixture thereof, and
- the coarse aggregate comprising stones and crushed glass of a grain size 5-20 mm,
- said concrete further comprising silica dust, fly ash or crushed slag.
Dependencies are inferred from the claim text.