Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1994-09-02
1995-03-14
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
52704, 4052591, 4052595, E21D 2002
Patent
active
053972023
ABSTRACT:
An improved method of installing tensional anchor bolts or cable bolts into a geological or man made formation by preheating anchor bolts or cables prior to inserting them into a borehole, mixing the bonding material within the borehole by rotating the bolt and allowing curing of the bonding material prior to the cooling of the bolt, thereby placing the bolt under tension and the formation into compression, is provided.
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Shrader Samuel E.
Tritapoe Harry C.
E. I. Du Pont de Nemours and Company
Frank George A.
Taylor Dennis L.
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