Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1982-06-23
1985-08-27
Corbin, David H.
Hydraulic and earth engineering
Earth treatment or control
Chemical
411 57, E21D 2002
Patent
active
045375356
ABSTRACT:
Rock reinforcement wherein a tubular member e.g. of steel is expanded by means of a non-explosive demolition agent into frictional contact with the wall of a hole formed in a rock face.
REFERENCES:
patent: 2591807 (1952-04-01), Greene
patent: 3148577 (1964-09-01), Parsons
patent: 3349567 (1967-10-01), Munn
patent: 4012913 (1977-03-01), Scott
patent: 4400113 (1983-08-01), Chaiko et al.
patent: 4459067 (1984-07-01), Skogberg et al.
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