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Stone columns
Soil improvement by means of stone columns results in the construction of cylindrical elements, cast-in-situ, consisting of gravel that is compacted by driving, or by using vibroflotation (vibro-compaction).
Construction sequence
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Fields of application
• Economical solution for foundations under constructions with uniformly distributed surface loads (up to 50 kN/m2) resulting in the reduction of settlements: industrial warehouses, reservoirs, storage facilities such as tanks and silos, pipelines and sewers
• Fast consolidation of backfills and embankments.
Environmental impact
• Little vibrations
• No removal of soil
• A stable, dry and flat work platform is required
• Heave of the soil.