Across
- 2. The cycle of freezing and thawing that can damage concrete.
- 4. A mixture of cement, sand, and water used to bond bricks or stones.
- 6. The adhesion between concrete and other materials, like rebar.
- 7. A powder that binds aggregate and water to form concrete.
- 8. Steel bars embedded in concrete to strengthen it.
- 11. A test to measure the consistency of fresh concrete.
- 14. The pushing or squeezing force that shortens a material.
- 17. Sand, gravel, or crushed stone mixed into concrete.
- 18. The proportion of ingredients mixed to make concrete.
- 20. To strengthen concrete with additives or reinforcements.
Down
- 1. The heat released when cement reacts with water.
- 3. A chemical reaction that releases heat.
- 5. A mixture of cement, water, and aggregate that hardens into a stone-like material.
- 9. The reduction in concrete volume as it dries and hardens.
- 10. The central stone at the top of an arch that locks the other stones in place.
- 12. A structure that holds or bears the weight of concrete.
- 13. The pulling force that tries to stretch a material.
- 15. A mold used to shape concrete before it hardens.
- 16. Breaks or splits that form in concrete due to stress or shrinkage.
- 19. The process of keeping concrete moist to gain strength.
