Methods and devices for improving the subsoil
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United States of America Patent
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Sep 15, 2020
Grant Date -
Dec 28, 2017
app pub date -
Dec 11, 2015
filing date -
Dec 12, 2014
priority date (Note) -
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Abstract
The object of the present invention relates to a method for producing drilled piles, wherein a drilling tool is sunk into the subsoil by applying a drilling torque and a vertical force, the drilling tool is then again retracted and an additional material is introduced into the resulting bore. According to the invention, the drilling tool is set in vibration by one or more actuators while it is sunk into the subsoil and/or during the retraction of the drilling tool, wherein a resulting oscillation amplitude has at least one horizontal portion. The invention also relates to a corresponding drilling tool for producing boreholes or drilled piles in a subsoil. The present invention further relates to a depth vibrator for the displacement and consolidation of subsoil material as well as a method for the displacement and consolidation of subsoil material.
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