Across
- 4. Measure of concrete’s workability or consistency
- 8. ease with which concrete can be mixed,placed and finished
- 9. calcium sulfoaluminate hydrate mineral formed during cement hydration
- 10. Intermediate product from the cement kiln;ground to make cement
- 11. Water rising to the surface of freshly placed concrete
- 12. A flat,horizontal structural element,often part of a floor or roof
Down
- 1. Admixture used to slow down the setting time of fresh concrete
- 2. Maintaining temperature and moisture for concrete strength gain
- 3. Process of removing entrapped air from fresh concrete,usually by vibration
- 5. Voids left in concrete due to failure of mortar to fill spaces between aggregates
- 6. material(usually steel bars)embedded in concrete to resist tensile forces
- 7. Cement’s ability to retain volume and not crack upon hardening