Construction aggregate
Videos
Construction aggregate, or simply aggregate, is a broad category of coarse to medium-grained particulate material used in construction. Traditionally, it includes natural materials such as sand, grave
A limestone quarry in Tennessee, U.S.
10 mm graded crushed basalt rock or aggregate, for use in concrete, called "blue metal" in Australia
20 mm graded aggregate
Class 3 road base
Portland cement
Videos
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. It was developed from other types of hydra
Construction aggregate
…under the road or building. Aggregates are also used as a low-cost extender that binds with more expensive bitumen to form asphalt concrete or with Portland cement to form concrete. Self-binding aggregate refers to angular crushed material (quarrystone rubble) comprising a mixture of finer and coarser particles…
Bags of Portland cement wrapped and stacked on a pallet.
Blue Circle Southern Cement works near Berrima, New South Wales, Australia
Plaque in Leeds, England commemorating Joseph Aspdin
William Aspdin is considered the inventor of "modern" Portland cement.