Naval Facilities Engineering Command. 200 Stovall Street Alexandria, ia . APPROVED FOR PUBLIC RELEASE. MANAGEMENT OF CIVIL ENGINEERING SUPPORT EQUIPMENT
Concrete, usually Portland cement concrete, is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time—most frequently a limebased cement binder, such as Portland cement, but sometimes with other hydraulic cements, such as a calcium aluminate cement.