A single concrete block, as used for construction Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), [1] the most–widely used building material, [2] and the most-manufactured material in the world. [3] When aggregate is mixed with dry Portland cement and water, the ...
Ozinga’s Chicago region has multiple aggregate yards and concrete plants in Chicago, Des Plaines, Evanston, McCook, and Wheeling. Whether you’re in commercial construction, residential construction, public works, landscaping, or excavation, we’ll keep you on budget and on schedule.
concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water. Among the ancient Assyrians and Babylonians, the bonding substance most often used was clay.