Vibro Compaction

A ground improvement process for densifying cohesionless soils, using the combined action of vibration and water jetting, to rearrange loose sand grains into a more compact state.

The probe (Vibroflot) is initially inserted into the ground by both jetting and vibration to the required depth of compaction. Granular material is then added at ground surface to fill the void created by the vibrator.

Degree of densification depends on soil gradation, spacing of probes, type of backfill, Vibroflot characteristics, and construction techniques.