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Backfilling and Compaction

12:16
14:39
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At 12:16 in

Retaining walls- what 99% of people don't know

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What happens here

Once the wall blocks are set, proper backfilling and compaction are vital for the long-term stability of the retaining wall. The video shows a Kubota skid steer loader used to dump controlled amounts of gravel behind the wall, followed by thorough compaction using a smaller vibratory plate compactor (Husqvarna brand). The team applies thin lifts (layers) of material, typically 4-6 inches at a time, and compacts each lift completely. This meticulous approach ensures uniform density and prevents future settling of the soil behind the wall. The operator also uses a rake to spread the gravel evenly before compaction.

Goal: Achieve thorough and uniform compaction of backfill material behind the wall.

Tools and materials

  • Kubota Skid Steer Loader Kubota SVL 65-2 — Transporting and dumping backfill material
  • Rake — Spreading gravel evenly before compaction
  • Vibratory Plate Compactor Husqvarna — Compacting backfill material in thin lifts
  • Gravel — Backfilling the retaining wall for drainage and stability

What they say

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i think we should really talk a little bit more about compaction and different methods to make sure that you're making you're reaching compaction because this is one of those big issues that people have down the road where their walls are settling out now you'll see us using a 150 pound plate packer but you'll also see the fact that we're only putting in a couple inches of material at a time we wanted to go with the thicker lift eight inches to 12 inches we'd have to go with our thousand pound plate packer and with this soil it's difficult to work with so we're sacrificing by putting more lifts in using a smaller packer but it gives us more control we don't care how the soil gets compacted we just need to make sure that a hundred percent of it gets compacted and we don't leave any voids or spaces by going with thin lifts we can get that compaction by going with a smaller packer we also have better control when our soils aren't completely agreeing with us [Music] now's the time for you guys to ask your

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