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