Remote sealing of mine passages containing flowing water

Details Remote sealing of mine passages containing flowing water Remote sealing of mine passages containing flowing water

1975-06-19

1977-01-04

Gilliam, Paul R.

E02D 312

Patent

active

040006212

ABSTRACT:
Underground passages having water flowing therein are sealed remotely from the surface by first emplacing an aggregate layer on the passage floor through a borehole to a depth sufficient to allow the flowing water to percolate through the aggregate without overflowing it. Fly ash, either alone or admixed with cement or a swelling clay, is then pneumatically injected into the passage atop the aggregate. Finally, water flow is closed off by injecting a cementitious grout into the aggregate layer.

REFERENCES:
patent: 3421587 (1969-01-01), Heavilon et al.
patent: 3440824 (1969-04-01), Doolin
patent: 3469405 (1969-09-01), Reinhold
patent: 3500934 (1970-03-01), Magnuson
patent: 3583165 (1971-06-01), West et al.
patent: 3831383 (1974-08-01), Crank
patent: 3852967 (1974-12-01), Stewart et al.

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