Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1985-12-16
1987-05-19
Husar, Cornelius J.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
405288, E21D 2000, E21D 2100
Patent
active
046663444
ABSTRACT:
Truss systems and components thereof for use in connection with supporting rock formations in underground mines, caverns, storage vaults, and so forth. Multiple types of truss brackets of unique design are incorporated in the various systems which also include tensioning tie rods and anchor bolts. The truss bracket components are designed so that a minimum or no force couples are exhibited when the tie rod means employed are tightened down in their interconnection between associated truss brackets. Various truss systems accommodate mine entries, two-way, three-way, and four-way passageway configurements, and so forth. Additionally, provision is made for intercoupling trusses together.
REFERENCES:
patent: 1686910 (1928-10-01), Frease
patent: 3427811 (1969-02-01), White
patent: 3505824 (1970-04-01), White
patent: 4349300 (1982-09-01), Kelley
patent: 4395161 (1983-07-01), Wilson et al.
patent: 4498816 (1985-02-01), Korpela et al.
Husar Cornelius J.
Shaffer M. Ralph
Stodola Nancy J.
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