Method and apparatus of forming sand piles for improving a soft ground
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United States of America Patent
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-
Dec 11, 1984
Grant Date -
N/A
app pub date -
Sep 17, 1982
filing date -
Sep 22, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for uniformly improving a soft ground is proposed. It includes the steps of driving a pipe into the ground, putting sand thereinto and pulling up the pipe gradually while discharging and compacting the sand. In forming the sand piles, the diameter and/or strength of the sand piles are changed according to the soil nature of the ground to be improved to improve the ground uniformly.
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