Machine for and method of hardening soft ground in depths

Details Machine for and method of hardening soft ground in depths Machine for and method of hardening soft ground in depths

1982-03-08

1984-03-13

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Chemical

175 61, 175 73, 405269, E02D 312

Patent

active

044364539

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using this machine, the inclination thereof can be eliminated as the direction in which the machine is inserted into or withdrawn from the soft ground is measured momentarily.

REFERENCES:
patent: 3938597 (1976-02-01), Richmond et al.
patent: 4022284 (1977-05-01), Crow
patent: 4069678 (1978-01-01), Miura et al.

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