Problem
1. Why are plasticizing admixtures called water reducing? What is the distinction between normal and high-range water-reducing admixtures according to the ASTM Standard Specification?
2. Can you list and define the seven types of chemical admixtures, four classes of mineral admixtures, and three grades of iron blast-furnace slag that are used as admixtures for concrete?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.