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  [ Tecnologie] Vibrocompattazione Vibrocompattazione CGV Vibrocompattazione CGVC Vibrocompattazione CVC Vibroflottazione Diaframmi Plastici Sottili Compattazione Dinamica Soilcrete Jet-Grouting Compaction Grouting Deep Soil Mixing Soilfrac Compensation Grouting Inclusioni Rigide Micropalo Mesi

   

   

  

This method of ground improvement uses a heavy weight (5 to 20 tonne) repeatedly dropped in free fall from 2 to 30 m onto the ground to be compacted.

 

The shock waves and high ground stresses produced by the impact produce:

• Compression of air voids in the soil.

• Partial liquefaction and creation of drainage paths.

• Generation of excess water pressures which cause consolidation of fine grained soils.

The operation is generally carried out in a number of passes over the area to be treated.

 

 

The operation is generally carried out in a number of passes over the area to be treated.

Voids created by hammer impacts can be filled with crushed rock to assist in further compaction of subsequent passes.

The method is well suited to compacting of near surface soils with large air voids such as refuse dumps and poorly filled ground.

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