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