Soil-metal arch bridge on reinforced earth abutments

Details Soil-metal arch bridge on reinforced earth abutments Soil-metal arch bridge on reinforced earth abutments

E - Fixed Constructions

01

F

61/36, 61/63

E01F 5/00 (2006.01) E01F 3/00 (2006.01) E02D 29/02 (2006.01) E02D 29/05 (2006.01)

Patent

CA 1340179

Commonly known soil-metal structures are built in the form of buried arches or closed conduits with circular, elliptic or pipe arch configuration. They are used as bridges, underground shelters and underground storage. In the case of buried arches, concrete footings supported by undisturbed soil are used. If more headroom is required the arches are supported by reinforced-earth abutments. According to the invention the metal structure is tied to the surrounding soil, such as granular backfill by means of layers of horizontally placed flat bars (strips). In addition, the soil cover above the metal structure is reinforced by layers of horizontally placed flat bars (strips). In this manner, the contribution of the entire reinforced soil mass to the stability of the composite structure is assured.

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