Historically Of Precast Concrete

Historically of Precast Concrete The human, from B.C 3000, have used the binding matters with calcium (CA) for construction material. Modern Portland Cement has produced first in 1824 but the first ferroconcrete construction has maden in 1857. As for the precast concrete is developed in the world first time in 1903 at Germany and after a few years it has been appeared that in USA. In 1914 concrete mixer is produced in USA for transportation. After the war years, it hasn’t continued too long to asimilate the precast concrete for the basic construction material and in the short time it has been producing and using by a lots of different country. Specially, by gain speed the urbanization and under working the second part of the 20th century, the precast concrete has