Rock reinforcement

Hydraulic and earth engineering – Earth treatment or control – Chemical

Patent

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Details

405259, E21D 2100

Patent

active

041585194

ABSTRACT:
A method of rock reinforcement comprising drilling a hole into the rock mass, inserting a length of flexible rope lengthwise into the drillhole and injecting a fluent hardenable grouting material into the space between the rope and the drillhole wall. In the preferred method the rope is inserted by attaching one end to a piston element and injecting the grouting material against the piston element.

REFERENCES:
patent: 2810442 (1957-10-01), Tausch
patent: 2946565 (1960-07-01), Williams
patent: 3022822 (1962-02-01), Mastravick et al.
patent: 3216306 (1965-11-01), Taylor
patent: 3226933 (1966-01-01), White
patent: 3285629 (1966-11-01), Cullen et al.
patent: 3312282 (1967-04-01), Yetman
patent: 3332244 (1967-07-01), McLean
patent: 3727693 (1973-04-01), Tausch et al.
patent: 3756388 (1973-09-01), Murphy
patent: 3861155 (1975-01-01), Steinberg et al.
patent: 3971226 (1976-07-01), Morrell

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