Concrete Questions?
1.) What would you look for in a good admixture for the enhancement of the following properties when added to a concrete mixture:
a.) workability
b.) strength
c.) curing time
2.) How would you test for aggregate absorption, and what effect does adding water towards this property have on the properties of the final product?
3.) How do you test for the air content?
4.) What do you look for in a reinforcing fiber to add strength to concrete while reducing weight?
5.) For the ASCE Concrete Canoe competition, what specifically can be done to ensure that the canoe will float?
6.) Any basic info on the following materials and their specific role in the concrete world:
a.) hydraulic cement
b.) fly ash
c.) metakaolin
d.) slag cement
e.) silica fume
f.) water-reducing and air-entraining admixtures
7.) How does the concrete curing process actually work?
I know it’s a lot of questions, but I’m wanting to be clear. Thanks.

