VIBRO COMPACTION

Ground improvement techniques are geotechnical construction methodologies that modify and enhance the engineering properties of the soil mass by improving one or more of the following parameters: Increase in the soil density and shear strength, decrease of the compressibility, reduction of settlement (total and differential), increase in the soil bearing capacity, acceleration of the consolidation process, increasing the factor of safety against liquefaction in case of an earthquake and generally, restrengthening of the soils. There are a number of Ground Improvement Techniques available for different types of soils, different purposes and project requirements.

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Description

METHODS

Vibro Compaction/Replacement

Vibro Compaction is a densification ground improvement technique that rearranges the soil particles into a denser state. Vibro Replacement is a reinforcement ground improvement technique that strengthens the soil by means of the construction of a stone column.

Dynamic Compaction

Dynamic Compaction is a densification ground improvement technique that uses a heavy weight “tamper” suspended from a crawler crane boom that is dropped a repeated number of times into the ground to densify the soil.

Rapid Impact Compaction

RIC is a ground improvement technique consisting of an excavator-mounted, hydraulic pile-driving hammer of 9-16 ton hydraulically raised and then allowed to free-fall, thus delivering energy to arrange soil particles into a denser state.

High Impact Roller Compaction

HIRC is also a “dynamic” compaction technique consisting of a triangular, rectangular or hexagonal ”wheel” mounted on a trailer that is pulled by a tractor with a constant speed, making several passes compacting the soil.

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