... only the workability and hydration but also the strength and quality of concrete can be improved. When it is the first ... of cements and slump keep the same, if added FDN water needed can be saved by 10-25%.5)adding FDN ... cement, plasticized cement, steamed cement, water-tight cement, water-proof cement, prefabricated cement, prestressed reinforced cement and high strength cement. But the adaptability ...