Question

Does anyone know anything about engineering?
1) List the basic types of portland cement and describe their characteristics and uses?

Answer 1

Table 1.1 Portland cement types and their uses.
Cement type Use
I1 General purpose cement, when there are no extenuating conditions
II2 Aids in providing moderate resistance to sulfate attack
III When high-early strength is required
IV3 When a low heat of hydration is desired (in massive structures)
V4 When high sulfate resistance is required
IA4 A type I cement containing an integral air-entraining agent
IIA4 A type II cement containing an integral air-entraining agent
IIIA4 A type III cement containing an integral air-entraining agent

Answer 2

http://www.fhwa.dot.gov/infrastructure/materialsgrp/cement.html

Answer 3

Thanks