Ice crib

Details Ice crib Ice crib

1982-05-07

1985-06-11

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

299 11, E21D 1500

Patent

active

045225370

ABSTRACT:
An ice crib for use in retreat mining to support the overburden is formed of fresh water ice, the freezing and melting of which is controlled in situ by flow therethrough of temperature regulated brine.

REFERENCES:
patent: 4072015 (1978-02-01), Morrell et al.
patent: 4102138 (1978-07-01), Dreker
patent: 4377353 (1983-03-01), Hoberstorfer et al.

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