Retaining wall block and wall grid system

Details Retaining wall block and wall grid system Retaining wall block and wall grid system

2005-02-22

2005-02-22

Safavi, Michael (Department: 3673)

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

Reexamination Certificate

active

06857825

ABSTRACT:
A retaining wall block and a system and method for constructing a retaining wall with multiple blocks laid in successive courses. The system comprises a plurality of building blocks and a flexible anchor grid. Each block has top and bottom surfaces, front and rear surfaces, opposing side surfaces, and a downwardly extending engagement section. The downwardly extending engagement section is configured to be directly connected to a sheet of flexible, pliant anchoring material of the type having plurality of perforations. The sheet of anchoring material is laid over a course of blocks and extended into earth fill behind the wall. The downwardly extending engagement section is also configured to engage and position adjacent courses of blocks relative to each other in a predetermined, setback relation. Preferably, the engagement section has one or more teeth that are arranged in a linear row and which are constructed and arranged to project through apertures in the anchoring grid sheet.

REFERENCES:
patent: 4914876 (1990-04-01), Forsberg
patent: 5294216 (1994-03-01), Sievert
patent: 5607262 (1997-03-01), Martin
patent: 5816749 (1998-10-01), Bailey, II
patent: 5820304 (1998-10-01), Sorheim et al.
patent: 6019550 (2000-02-01), Wrigley et al.
patent: 6142713 (2000-11-01), Woolford et al.
“Keystone Intermediate” Keystone Retaining Wall Systems product literature, 1994, 2 pages.

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