Concrete Mix Design

Question 1

Selecting Mix Characteristics (12)

Answer 1

1. Strength Requirements
2. Determining W/CM
3. Coarse Aggregates
4. Air Content
5. Workability
6. Water Content
7. Cement Content
8. Cement Type
9. Admixture Effects
10. Sand Requirements
11. Moisture Corrections
12. Trial Mixes

Question 2

relative density

Answer 2

weight of material/weight of water

Question 3

bulk density

Answer 3

weight of composite material/cubic metre

Question 4

workability

Answer 4

measure of how easy (or difficult) it is to place, consolidate and finish concrete