Concrete Mixtures
Typical cement, sand and gravel mixtures
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Commonly used cement, sand and gravel mixtures:
| Application | Ratio | ||
| Cement | Sand | Gravel | |
| Normal loads, no rebar - not exposed | 1 | 3 | 6 |
| Normal foundations and walls - exposed | 1 | 2.5 | 5 |
| Basement walls | 1 | 2.5 | 4 |
| Waterproof basement walls | 1 | 2.5 | 3.5 |
| Light duty floors, drive ways | 1 | 2.5 | 3 |
| Steps, driveways, sidewalks | 1 | 2.25 | 3 |
| Reinforced roads, buildings, walls - exposed | 1 | 2 | 4 |
| Retaining walls, drive ways | 1 | 2 | 3.5 |
| Swimming pools, fence posts | 1 | 2 | 3 |
| Light duty floors | 1 | 1.75 | 4 |
| Watertight, reinforced tanks and columns | 1 | 1.5 | 3 |
| High strength columns, girders, floors | 1 | 1 | 2 |
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