Answer: 4-6 inches
Explanation: The recommended thickness of aggregate base for constructing a standard concrete driveway typically ranges from 4 to 6 inches. This aggregate base layer serves several important purposes:
1. Support and Stability: The aggregate base provides a stable foundation for the concrete slab above, distributing the load of vehicles and preventing settling or unevenness.
2. Drainage: Properly compacted aggregate facilitates drainage, preventing water from pooling under the concrete slab, which can lead to erosion and cracking over time.
3. Subgrade Protection: The aggregate base layer protects the subgrade (the native soil beneath) from damage caused by freezing and thawing cycles, moisture fluctuations, and compression from vehicle loads.
Key considerations:
Compaction: Proper compaction of the aggregate base is crucial to ensure uniform support and stability. Compaction should be done in layers to achieve the desired density and strength.
Quality of Aggregate: Use quality aggregate material that meets local specifications and is free of organic matter, debris, and excessive fines.
Thickness Variation: The thickness of the aggregate base may vary depending on soil conditions, climate, and anticipated traffic loads. In some cases, particularly heavy-duty applications or poor soil conditions, a thicker aggregate base may be recommended.
By following these guidelines and ensuring a well-prepared aggregate base, you can help ensure the long-term durability and performance of your concrete driveway. |
| Midtex Services |
Answer: 4-6 inches
Explanation: 4 inches is the minimum amount of gravel I use for a good base. |
| Solid Solutions Concrete LLC |
Answer: 0-2 inches
Explanation: Yes |
| Capristo concrete |
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| ProMatcher |
Answer: 0-2 inches
Explanation: Depends on the ground |
| D&L Concrete LLC |
Answer: 0-2 inches
Explanation: Standard code |
| RP Enterprises |
Answer: 2-4 inches
Explanation: 2 to 8 inches of crushed rock should be used as subgrade material, depending on the degree of expansiveness. |
| COMMON SENSE FLOORING, INC. |
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| ProMatcher |
Answer: 2-4 inches
Explanation: That depends largely on the subgrade materials, and traffic serviced by the driveway, but on stiff clay soils, 2-4" of aggregate base is typically adequate to bridge irregularities and produce a smooth, friction minimized subgrade. |
| Maven Group LLC |
Answer: 0-2 inches
Explanation: Thickness required depending on condition of surface being poured on. |
| BAT Concrete llc |
Answer: 2-4 inches
Explanation: Do what's necessary |
| Phoenix concrete services inc. |
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| ProMatcher |
Answer: 4-6 inches
Explanation: The gravel base for a driveway should be a minimum of 4 inches deep. |
| Colorado Concrete |
Answer: 0-2 inches
Explanation: 2 inches is recommended |
| alvaradomasonry |
Answer: 4-6 inches
Explanation: A good base is as important as the thickness of the concrete because that is what supports the concrete. |
| Concrete services |
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| ProMatcher |
Answer: 4-6 inches
Explanation: base should match concrete thickness |
| LPG,LLC |
Answer: 4-6 inches
Explanation: This is as per code requires |
| h and h company |