chap 3 Flashcards
1
Q
the x of a given conc mix is governed primarily by its w/c ratio
A
strength
2
Q
adding more than the spec amount of water to the conc mix generally result in greater x and x strength
A
shrinkage, strength
3
Q
the term w/cm refers to
A
water/cement plus pozzolan ratio
4
Q
conc mixes with lower w/c ratios are x and more x than conc with higher w/c ratios
A
stronger, more durable
5
Q
most concretes have a w/cm ratio between abt x and x
A
0.4, 0.7
6
Q
is the following statement true or false: the amount of cement plus pozzolan indicates the total amount of cementitious material (cm)
A
true
