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Concrete Mixtures
Typical cement, sand and gravel mixtures
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Commonly used cement, sand and gravel mixtures:
| Contruction | Materials Volume Ratio | Materials Required | ||||
| Cement | Sand | Gravel | Cement (sacks) | Sand (CY) | Gravel (CY) | |
| Normal static loads, no rebar, not exposed | 1 | 3 | 6 | 4.2 | 0.5 | 0.95 |
| Foundations and walls, normal static loads, exposed | 1 | 2.5 | 5 | 5.6 | 0.45 | 0.9 |
| Basement walls | 1 | 2.5 | 4 | 5.6 | 0.5 | 0.8 |
| Basement walls, waterproof | 1 | 2.5 | 3.5 | 5.9 | 0.55 | 0.8 |
| Floors, light duty, driveways, sidewalks | 1 | 2.5 | 3 | |||
| Reinforced roads, walls, exposed | 1 | 2 | 4 | |||
| High strength, floors, columns | 1 | 1 | 2 | |||
- 1 CY = 1 cubic yards = 0.7646 m3 = 27 ft3
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