Machine for and method of hardening soft ground in depths
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United States of America Patent
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Mar 13, 1984
Grant Date -
N/A
app pub date -
Mar 8, 1982
filing date -
Mar 8, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Agitation shafts provided with agitation vanes at lower portions thereof are fastened rotatably to the outer circumferential surface of a support cylinder to form a soft ground hardening machine. Connecting means are provided between upper and lower portions of the support cylinder. The connect-means are adapted to be tensed and slackened for eliminating the inclination of the machine in operation. In a soft ground hardening method using this machine, the inclination thereof can be eliminated as the direction in which the machine is inserted into or withdrawn from the soft ground is measured momentarily.
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