Answer:

The pervious concrete admixture system consists of a combination of Poly-Heed 1020 or 1025, DELVO, and Rheomac VMA 362.

[tex] \large{ \color{purple}{ \mathsf{Hope \: it\: helps..! }}}[/tex]

Explanation:

Admixtures are divided into different categories depending upon the functions they serve. The various types of admixtures that are used in concrete are :

Type A: water-reducing admixtures

Type B: retarding admixtures

Type C: accelerating admixtures

Type D: water-reducing and retarding

Type E: water-reducing and accelerating

Type F: water-reducing, high-range admixtures.