Effect of man-made additive and calcined dickite using in PSC is good which canimprove compressive strength about 2MPa at 3days and 28days.

• 在使用以硫铝酸钙为主要矿物组成的外加剂以及煅烧地开石时；也有一定的效果；可以提高 3d 和 28d 强度约 2MPa.