A lack of compaction is the number one reason for failure on hardscape projects. Here Paver Pete demonstrate options for compacting the soil subgrade in a trench.
There are a couple of criteria that need to be considered when choosing equipment to compact the soil subgrade in a trench.
- Size of the space
- Centrifugal force rating of the equipment
- Reversibility of the machine
- Type of soil to be compacted
Here are 3 types of compaction equipment we analyzed.
- 12,000-pound centrifugal force rated vibratory plate compactor
Its reversibility is perfect for compacting base material when we have more than 8-inch lifts.
In this situation, we have a very sandy soil, so we don’t need that much strength.
- 7,200-pound centrifugal force rated vibratory plate compactor
It is also reversible, so it improves productivity when we work in a trench.
- Amplitude-based compactor, also called a jumping jack
It would not be effective in an open area that has a sandy soil, but it works well in a restricted area like the trench we have here.
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