Depending on the purpose concrete is typically made from a combination of materials which usually consists of concrete sand and small rocks called aggregate otherwise known as ballast.
Older vaults were made of steel-reinforced concrete. The walls were also very thick, which made the vault very heavy. Nowadays vaults are made of lighter and thinner concrete with additives which give the concrete extreme strenght.
Concrete- I remember when concrete nails were made of a forged tungsten steel.
Concrete
The recommended footings for a concrete slab are typically made of reinforced concrete and should be at least 6 inches thick and extend below the frost line in your area to prevent shifting or cracking.
Concrete is porous. The oil would seep out of a tank made of concrete.
A concrete mixture of sand, cement, and small gravel is used to make the concrete from which the tubular concrete pipe is made. The pipe is made of concrete.
George Concrete
Bullrings are typically made of concrete or brick. The outer walls are designed to withstand the force of the bull and ensure the safety of the spectators.
because the owner wants it to be made with concrete.
No, concrete and granite are two different materials. Concrete is a composite material made of cement, water, and aggregates like sand and gravel, while granite is a natural stone formed from the solidification of molten materials beneath the earth's surface. Granite is typically harder and more durable than concrete.
concrete was made in 1243 a.d.
Concrete is man-made.