CONCRETE Flashcards
1
Q
Concrete is composed of
A
Cement, Sand, Gravel, And water
2
Q
Class AA proportion
A
1 : 1.5 : 3
3
Q
Class A proportion
A
1 : 2 : 4
4
Q
Class B proportion
A
1 : 2.5 : 5
5
Q
Class C proportion
A
1 : 3 : 6
6
Q
Class AA Strength of Mixture
A
4000 PSI
7
Q
Class A Strength of Mixture
A
3500 PSI
8
Q
Class B Strength of Mixture
A
2500 PSI
9
Q
Class C Strength of Mixture
A
2000 PSI
