Top 20 accessed subjects
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1. Batching by volume - DIY
2. Slump test
3. Bleeding and segregation
4. Basic properties
5. Consistence tolerance - slump test
6. Carbonation of concrete
7. Characteristic strength
8. Screeds – general
9. Time limit between placing fresh concrete layers
10. Floated and trowelled finishes
11. Air-entraining admixtures
12. Detailing symbols (previous & current)
13. Masonry - Densities
14. Honeycombing of concrete.
15. Cold Joints
16. Suspended floors
17. Friction between elements
18. U Values
19. Thermal mass of concrete
20. Surface finish specification
