Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent
1996-09-19
1998-10-06
Graysay, Tamara L.
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
405284, 52603, 52604, 52605, E04C 100, E02D 1720
Patent
active
058167498
ABSTRACT:
A modular wall block is formed with two integral, transverse projections extending upwardly from its top surface, spaced from the front face of the block and spaced from each other by an upwardly opening groove. Each block also includes two downwardly opening, transversely extending, grooves of different widths spaced from the front face and spaced from each other by a downwardly extending projection. The width of the downwardly extending projection and the upwardly opening groove are approximately the same and the combined distance between the extreme edges of the two upwardly extending projections is substantially equal to the width of the larger of the two downwardly opening grooves. The height of the upwardly extending projections is equal to or less than the depth of the two downwardly opening grooves. By this arrangement, it is possible to selectively superimpose such blocks in a manner which either positions the front faces of superior blocks in a vertically aligned orientation or a vertically set-back orientation. An optional recessed area located in the upper surface behind the two projections is adapted to receive a grid-like sheet of reinforcing material which is captured therein by the lower surface of a superimposed block. The blocks of this application are dimensioned to be integrated in a retaining wall constructed of a mixture of these blocks and more robust modular wall blocks interconnected by a comb-like device. Multiple wall blocks are simultaneously formed on their side to enhance the high speed molding techniques.
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Graysay Tamara L.
Mayo Tara L.
The Tensar Corporation
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