Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1997-04-02
1999-01-19
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
405284, E02D 2902
Patent
active
058607714
ABSTRACT:
A retaining wall assembly having a plurality of face plates, which interlock with tie-backs. The face blocks in one embodiment have a substantially cross-shaped front face and recesses along top, bottom, left and right-hand sides, which interlock with tie-back flanges. Each tie-back, through its interlocking flange, interlocks with four adjacent face plates. The tie-backs have anchors which provide stability and anti torsion, and comprise elongated rods joined to a key block at a forward end, which is further provided with a stiffener plate. The back feet, which are preferably rebars, are welded to the key block and extend rearwardly therefrom. A plurality of anchor plates are arranged at spaced (preferably equi-spaced) intervals therealong and are joined thereto preferably by welding. Tie-backs of a plurality of lengths N.times.K are provided where N is a real integer and K is a given length. In addition, tie-back extensions may be joined to a tie-back or another tie-back extension in the field. At least one anchor plate of a tie-back and at least one anchor plate of a tie-back extension are interlocked and then bolted together after being interlocked to extend tie-back lengths where necessary in the field. The rebar, together with the anchors and key plates are preferably formed of galvanized steel.
REFERENCES:
patent: 1762343 (1930-06-01), Munster
patent: 2018423 (1935-10-01), Smith
patent: 2703963 (1955-03-01), Gutierrez
patent: 4266890 (1981-05-01), Hilfiker
patent: 4661023 (1987-04-01), Hilfiker
patent: 4834584 (1989-05-01), Hilfiker
patent: 5127770 (1992-07-01), Ditcher et al.
patent: 5407303 (1995-04-01), Manns
Ditcher Jack
Munkelt Gary K.
Atlantic Precast Concrete Inc.
Taylor Dennis L.
Weinstein Louis
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