Bridges – Arch – Abutments and anchorages
Patent
1975-06-26
1976-09-21
Byers, Jr., Nile C.
Bridges
Arch
Abutments and anchorages
52293, 61 39, E02D 520
Patent
active
039810380
ABSTRACT:
A bridge construction is disclosed in which the ends of a bridge deck are supported by an abutment comprising a mass of internally stabilized earth. A plurality of elongate reinforcing members are arranged in vertically spaced horizontal layers. Within each layer the members are spaced apart laterally and some of the members extend at right angles to other members to form a lattice. Particulate material is placed and compacted into a contiguous aggregate which fills the vertical array of horizontal lattices. The mass of internally stabilized earth is surrounded on three sides by non-load bearing walls constructed from a plurality of facing elements. A portion of the reinforcing members extending from one abutment side wall may be connected with corresponding reinforcing members extending from the other side wall to form a substantially continuous member therebetween. Corner blocks may be provided at the generally perpendicular corners between adjacent walls. Similarly, a monolithic beam seat or slab may be provided at the upper edge of each abutment such that it rests on the internally stabilized earth mass to support the end of the bridge deck.
REFERENCES:
patent: 440437 (1890-11-01), Phillips
patent: 568673 (1896-09-01), Geisel
patent: 1215537 (1917-02-01), Hyatt
patent: 1306725 (1919-06-01), Small
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