Method and apparatus for constructing a subsurface retaining wal

Details Method and apparatus for constructing a subsurface retaining wal Method and apparatus for constructing a subsurface retaining wal

1989-12-04

1991-04-16

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

405236, 405267, 37 81, E02D 556

Patent

active

050077708

ABSTRACT:
One or more rotating augers with drilling heads are aligned within a rectilinear casing with a rectilinear cutting head defining one of a plurality of adjacent vertical slots that may be excavated to within about one inch of an adjacent structure or property without encroaching. When a slot is completed it is filled with either a precast or poured-in-place wall element, a plurality of adjacent elements being joined at the edges to form a solid wall without need for forms and shoring or underpinning of the adjacent property or structure.

REFERENCES:
patent: 2693087 (1954-11-01), Quillinan
patent: 3604214 (1971-09-01), Turzillo
patent: 3690109 (1972-12-01), Turzillo
patent: 4202416 (1980-05-01), Blaschke et al.
patent: 4249836 (1981-02-01), Schmednecht
patent: 4662792 (1987-05-01), Gessay
patent: 4886400 (1989-12-01), Taki et al.

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