MARTINEZ — When installing a concrete feature such as a driveway or patio, it’s crucial to follow proper procedure—otherwise, the installation will be susceptible to settling over time. Here are a few important aspects to consider:
• Whether it’s plain soil or base rock, the subgrade (the native soil) needs to be properly compacted. Ideally, base rock should be compacted to a 98 percent proctor density, which will provide a solid surface for the concrete to lie upon.
• If the native soil doesn’t provide an adequate subgrade material, a fill alternative like sand, gravel or crushed stone may be necessary to achieve the low compressibility needed to support the concrete installation.
• To provide maximum reinforcement, the steel rebar should be placed at center depth of the concrete slab. For example, if the slab is four inches thick, the rebar should be placed at a depth of roughly two inches.

Considerations for Concrete Installation

Discover key factors to consider for a successful concrete installation, from choosing the right mix to ensuring proper curing and maintenance.

Considerations for Concrete Installation by David Figueroa

by David Figueroa, a Diamond Certified Expert Contributor

Video: The Importance of Soil Compaction

 If you're installing a concrete driveway or patio, don't overlook the soil base beneath it. Today, we're in Martinez with diamond certified expert contributor David Figa of Kodiak Construction to learn more.

When you do a concrete driveway or patio, make sure that subbase is compacted, whether it's just plain soil or gravel. Make sure it's compacted and the rebar should be in the middle of the concrete. If it's 4 inches thick, it should be somewhere between 1 and 1/2 and 2 inches into the concrete. And get it back to compacting. If you don't compact the subsoil, eventually the water will get under the part of the driveway, the current will tend to sink.

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David Figueroa: It's a Hardscape Life

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