Structure and method for shoring a face of an excavation

Details Structure and method for shoring a face of an excavation Structure and method for shoring a face of an excavation

1988-06-28

1990-03-27

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

405287, E02D 1704, E02D 2902

Patent

active

049115839

ABSTRACT:
A method and structure for shoring a generally vertical face of an excavation, wherein the face and adjacent ground are defined by soft shale or rock, or stiff soil, is disclosed. A plurality of relatively small diameter, relatively closely spaced and generally vertical holes are drilled into the ground adjacent a plane defining the face. Vertical rods are grouted in the holes to form generally vertical columns. Horizontal bars, and preferably, also tiebacks are inserted into the face and ground in a substantially horizontal direction as the excavation proceeds. The bars and tiebacks are connected to the columns.

REFERENCES:
patent: 4505621 (1985-03-01), Hilfiker et al.

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