Retaining wall assembly utilizing face panels interlocked with tie-back/anchors
US5127770A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1991 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Mar 14, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/0266
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A retaining wall assembly having a plurality of face plates which interlock with tie-backs. In one preferred embodiment, the face blocks 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 flanges, interlocks with four adjacent face blocks. The tie-backs have back feet or anchors providing features of stability and anti-torsion. The tie-backs may utilize elongated rods which are joined interlocking key blocks as well as one or more anchors arranged at spaced intervals along the rods. At least the interengaging portions of the tie-backs and face plates are cast of highly durable casting material such as concrete, which is non-corrosive. The face plates have flat front and rear faces or, in another preferred embodiment, have flat front faces and integral rearwardly extending projections respectively provided with the top, bottom, left and right recesses which cooperate with the interengaging flanges. In another alternative embodiment, each of the face plates have a rectangular-shaped face and are provided with T-shaped grooves along their upper and lower s…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.