there are so many concrete admixtures, such as retarder and reducing agent, what are their functions?
1. the working principle of concrete water-reducing agent: water-reducing agent is usually a surfactant, which is an anionic surfactant. it is adsorbed on the surface of cement particles so that the particles display electrical properties. the particles repel each other because they have the same charge, causing the cement particles to be dispersed and release…
