Across
- 3. Permanent structural weight acting on a building
- 5. Mass per unit volume of concrete
- 8. Ability of concrete to withstand high temperature
- 11. Iron-rich mineral used to increase concrete density
- 13. Structure containing many small air voids
- 17. Artificial lightweight aggregate produced by heating clay
- 20. Reduction in volume of concrete during drying
- 22. Expanded volcanic material used as lightweight aggregate
- 24. Iron ore aggregate used in dense concrete mixes
- 25. Source of radiation requiring protective concrete structures
- 26. Property of aggregates containing many voids
- 27. Property that reduces heat transfer through concrete
- 29. Concrete produced without fine aggregates
- 30. Granular material used in concrete mixtures
Down
- 1. Concrete used where high mass and radiation protection are required
- 2. Natural porous volcanic rock used in lightweight concrete
- 4. Concrete with significantly lower density than normal concrete
- 6. Lightweight concrete produced by introducing air or gas bubbles
- 7. Ease of mixing and placing concrete
- 9. Property describing heat transfer through materials
- 10. Dense aggregate commonly used in radiation shielding concrete
- 12. Iron oxide mineral used as heavyweight aggregate
- 14. Expanded mineral used for insulation concrete
- 15. Volcanic aggregate used in lightweight concrete production
- 16. Heavy material used to add weight in structures
- 18. Nuclear particles requiring shielding in reactors
- 19. High energy radiation requiring dense shielding materials
- 21. Separation of heavy particles during mixing
- 23. Nuclear facility where high density concrete is used for protection
- 28. Industrial by-product used as lightweight aggregate