Top 20 accessed subjects
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1. Slump test
2. Basic properties
3. Consistence tolerance - slump test
4. Screeds – general
5. Masonry - Densities
6. Thermal mass of concrete
7. Cold Joints
8. Floated and trowelled finishes
9. Question: Can you provide mix proportions for a C32/40 concrete?
10. Batching by volume - DIY
11. Honeycombing of concrete.
12. Core testing for strength
13. Air-entraining admixtures
14. Friction between elements
15. Time limit between placing fresh concrete layers
16. U Values
17. Example of U value calculation
18. Detailing symbols (previous & current)
19. Suspended floors
20. Cold weather concreting
