Apparatus for encasing excavations

Details Apparatus for encasing excavations Apparatus for encasing excavations

1980-09-29

1983-01-25

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405282, E02D 1704

Patent

active

043700799

ABSTRACT:
An apparatus for encasing, propping or erecting falseworks in soil excavations comprises a crane and extendible struts intended for installation in the excavation and for actuation by the crane boom. Each strut comprises a main inverted-T shaped tubular body and a pair of elements which are mounted, for sliding movement to and fro each other, on the bar of said "T" and are caused to slide by means of a nut-and-screw coupling and terminated externally with respective plate-like frames for propping the excavation walls.

REFERENCES:
patent: 909808 (1909-01-01), Laughterback
patent: 3777902 (1973-12-01), Potter
patent: 3788086 (1974-01-01), West, Jr.
patent: 3792782 (1974-02-01), Melton
patent: 3905632 (1975-09-01), Caylor et al.

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