Top 20 accessed subjects
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1. Cold Joints
2. Consistence tolerance - slump test
3. Slump test
4. Thermal mass of concrete
5. Water absorption limits on aggregates
6. Floated and trowelled finishes
7. Carbonation of concrete
8. Core testing for compressive strength
9. High strength concrete
10. Suspended floors
11. Characteristic strength
12. Masonry - Densities
13. U Values
14. Surface finish specification
15. Detailing symbols (previous & current)
16. Making cubes on site
17. Flow table test
18. Time limit between placing fresh concrete layers
19. Spacing between reinforcing bars
20. Petrographic tests
