E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/48
E02D 3/00 (2006.01) E02D 29/02 (2006.01) E21D 11/00 (2006.01)
Patent
CA 1201896
ABSTRACT OF THE DISCLOSURE A method and apparatus is disclosed for reinforcing and consolidating earth structures such as mine shafts and tunnels. The disadvantages of existing earth formation rein- forcement systems such as arch failure and bursting resulting in collapses are overcome with this invention, and the rein- forcement system is provided with inherent confinement ability. The structure comprises a plurality of anchor members anchored at spaced intervals in the earth formation, at least some of the anchor members being connected to adjacent anchor members by tensile elements to form a substantially continuous tensile member adjacent the surface of the earth formation. The method of reinforcing earth formations against convergence comprises anchoring a plurality of anchor members in an earth formation, and connecting tensile elements between adjacent anchor members to form a substantially continuous tensile member adjacent the surface of the earth formation, whereby in use a force genera- ted by the earth formation is distributed as a tensile stress in the substantially continuous member.
441021
Fetherstonhaugh & Co.
Gearhart Australia Limited
Tucker Michael C.
LandOfFree
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