Summary of concrete admixture definitions

according to (gb8075-87) classification, concrete admixtures can be divided into four categories according to their main functions:1. admixtures that improve the rheological properties of concrete mixtures: including various water-reducing agents, air-entraining agents, and pumping agents. 2. admixtures that adjust the setting time and hardening performance of concrete: including retarder, early strength agent, accelerating agent, etc.…