Process for strengthening geological formations

Details Process for strengthening geological formations Process for strengthening geological formations

1989-05-08

1990-02-27

Suchfield, George A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

166295, 299 11, 523130, 523132, E02D 312, C08G 1876

Patent

active

049041258

ABSTRACT:
The present invention is directed to a process for the strengthening of geological formations in underground workings and mines by the introduction of reaction mixtures which react to form polyurethanes into the formations which are to be strengthened, the reaction mixtures being based on

REFERENCES:
patent: 3268002 (1966-08-01), Fischer
patent: 3432451 (1969-03-01), Kales
patent: 4113014 (1978-09-01), Kubens et al.
patent: 4114382 (1978-09-01), Kubens et al.
patent: 4452551 (1984-06-01), Arndt et al.
patent: 4454252 (1984-06-01), Meyer
patent: 4475847 (1984-10-01), Cornely et al.
patent: 4715746 (1987-12-01), Mann et al.
patent: 4792262 (1988-12-01), Kapps et al.
Gluckauf 1968 pp. 666-670.
Gluckauf 1977 pp. 707-711.
Bergbau 1977 pp. 124-129.

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