Problem
1. When used as an accelerator, what effect would calcium chloride have on the mechanical properties, dimensional stability, and durability of concrete?
2. State several important reasons why it is desirable to use pozzolanic admixtures in concrete.
3. Why are clays and shales heat treated to make them suitable for use as a pozzolan?
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.