Problem
1. For the ASTM Types I, III, and V of portland cements, at a given water-cement ratio would the ultimate strength values be different? Would the early-age strength values be different? Explain your answer.
2. In regard to concrete strength, discuss the two opposing effects that are caused by an increase in the maximum size of aggregate in a concrete mixture.
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.