Subsidence control

Details Subsidence control Subsidence control

1973-01-26

1977-08-30

Gilliam, Paul R.

Mining or in situ disintegration of hard material

Processes

Forming blocks

299 11, E21F 1508

Patent

active

040445631

ABSTRACT:
A method is provided for filling a subterranean void, e.g. a mined out cavity such as a tunnel. An aqueous suspension of solid particles the mass of which when at rest has a permeability of about 40 darcies, preferably less than 20 darcies, is injected into the void to effect complete filling.

REFERENCES:
patent: 2815079 (1957-12-01), Goins, Jr. et al.
patent: 3421587 (1969-01-01), Meauilon et al.
patent: 3440824 (1969-04-01), Doolin
patent: 3459003 (1969-08-01), O'Neal
patent: 3500934 (1970-03-01), Magnuson
patent: 3508407 (1970-04-01), Booth
patent: 3684022 (1972-08-01), Peterson
patent: 3817039 (1974-06-01), Stewart et al.

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