Concrete

3. ____ cement is hydraulic cement used in concrete.
6. a concrete slab which is poured after the footings and walls and has a barrier between the slab and the footing/wall.
7. what happens when the concrete mix is adequately vibrated and trapped air is brought to the surface.
8. one advantage of using steel to reinforce concrete is steel's coefficient of ___.
10. the chemical reaction that hardens the concrete.
12. the process of setting anchor bolts in a concrete foundation before the concrete hardens.
13. concrete's compressive strength is 10x greater than it's ___ strength.

1. what happens when the concrete mix is over-vibrated and the coarse aggregates settle to the bottom of the form.
2. steel reinforcing bar.
4. the type of slab that is economical and easy for residential and commercial construction.
5. reinforcing steel increases the ___ strength of concrete columns.
7. a hard substance finely ground to make cement.
9. a reinforcing bar is sized by its ___.
11. the steel reinforcement used to prevent cracking in slabs-on-grade.