For windfarms, bridges and harbours



When land is reclaimed from the seabed or the in-situ soil does not fulfil the requirements of bearing capacity, lateral stability and liquifaction potential, ground improvement techniques with Vibrolance offer a qualitative and economical solution.

PTC has developped a complete range of equipment for the following ground improvement techniques:


Stone columns

Technique used in granular soils. The vibrolance produces vibrations to rearrange the soil particles of non-cohesive soils into a denser state.

Technique mostly used for cohesive saturated soils. It consists in installing and compacting in the ground load bearing columns made of gravel or crushed stone, followinf a grid pattern previously determined by a test trial.

The advantages of the Vibrolance :