Tag: cement

concrete

composite stonelike material formed by mixing an aggregate (such as stones of irregular shape or crushed rock) with cement (which acts as the binding material) and water, then allowing …

chalcedony

A submicroscopic variety of fibrous quartz, generally translucent and containing variable amounts of opal; reacts with alkalies in portland cement.

Abrams’ law

A statement applying to given concrete materials and conditions of test: For a mixture of workable consistency, the strength of concrete provided by the mixture is determined by the ratio of the amount …

Cement mortar

Cement is made by heating a finely ground mixture of clay and limestone, and water, to a temperature at which the clay and lime¬stone fuse into a clinker. The …