Across
- 4. Used for general concrete work.
- 7. The determination of the exact amount of each ingredient that is ti be placed into a specific mix.
- 9. Cement suitable for use in foundations where there a re low levels of sulphate.
- 12. A special equipment used in volume batching
- 13. Used to measure the workability of the concete.
- 15. This is essential to ensure a good mix.
- 16. A combination of limestone, silica and water.
- 17. Cement that contains aluminum ore.
- 20. The second number in the ratio 1:2:3 mix.
Down
- 1. This is mixed with cement powder to form a paste.
- 2. The increase in volume of a given quantity of sand due to moisture in any concrete mix.
- 3. The more reliable system of batching.
- 5. A substance the binds the aggregates together into a very dense material.
- 6. A test that shows the best possible strength concrete can reach in perfect condition.
- 8. The chemical process of cement absorbing water.
- 10. A mixture of cement, fine aggregates and water.
- 11. A type of mixing method.
- 14. To ensure adequate strength Concrete should be left to cure for a minimum of......
- 18. An equipment needed to perform the slump test.
- 19. The ability of wet concrete to be able to be placed and worked with ease.