Cribbing

Details Cribbing Cribbing

1982-08-25

1985-02-05

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

52423, 299 11, 405258, E21D 1100

Patent

active

044975970

ABSTRACT:
A crib member for forming underground cribbing is provided in the form of a concrete annulus formed within at least one annular metal retaining member so as to form a donut shaped member. A plurality of such members is stacked one on top of another to form a cylindrical cribbing with a central hole.

REFERENCES:
patent: 676568 (1901-06-01), Mouchel
patent: 762496 (1904-06-01), Smith
patent: 931466 (1909-08-01), Nellen
patent: 1662727 (1928-03-01), Wait
patent: 1673729 (1928-06-01), Barnes
patent: 2451777 (1948-10-01), Salas
patent: 2698519 (1955-01-01), Lloyd
patent: 3109259 (1963-11-01), Viall
patent: 3638384 (1972-02-01), Martin

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