Deep foundation
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Vibro-compaction

Deep compaction with vibroflot

For vibro-compaction non-cohesive soil is compacted using a vibroflot. The vibroflot is mounted on the lower end of a pipe on a lift crane, duty cycle crawler crane or rig, either free hanging on ropes or via a leader and sunk into the ground. Through the vibration the soil grains change from their initial loose layering to a denser layering. Around the vibrator a cylindrical compacted soil structure is created.

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Procedure for vibro-compaction

1. Positioning the vibroflot at the compaction point

2. Penetration of the vibroflot while adding nose jet water, thus pre-compaction of the soil

3. After completion, laying of a levelling layer to transfer load at the surface

4. After reaching the final depth, switching off the nose jet water, adding side jet water and starting vibro-compaction

5. During extraction, staged compaction of the soil while adding fill material from above into the sink crater

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Foundation concept

Reinforced cylindrical ground structures are created at the compaction points. These are arranged in various grid patterns and so a systematic compaction of the building ground is achieved.

01/06
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Vibro Compaction with HS 8130

New port with almost 2 million square metres in Dubai.

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