Thrust bolting: roof bolt support apparatus

Patent · 01 January 1992

OSTI ID:868375

Tadolini, Stephen C ^[1]; Dolinar, Dennis R ^[2]

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1. Lakewood, CO
2. Golden, CO

A method of installing a tensioned roof bolt in a borehole of a rock formation without the aid of a mechanical anchoring device or threaded tensioning threads by applying thrust to the bolt (19) as the bonding material (7') is curing to compress the strata (3) surrounding the borehole (1), and then relieving the thrust when the bonding material (7') has cured.

• Research Organization: National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
• Assignee: United States of America as represented by Secretary of (Washington, DC)
• Patent Number(s): US 5127769
• OSTI ID: 868375
• Country of Publication: United States
• Language: English

Related Subjects

/405/
19
anchoring
apparatus
applying
bolt
bolting
bonding
bonding material
borehole
compress
cured
curing
device
formation
installing
material
mechanical
method
relieving
rock
rock formation
roof
roof bolt
strata
support
support apparatus
surrounding
tensioned
tensioning
threaded
threads
thrust