Composite bridge with precompression system

Details Composite bridge with precompression system Composite bridge with precompression system

1980-05-13

1982-08-10

Friedman, Carl D.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52741, 29446, E04C 310

Patent

active

043431232

ABSTRACT:
A composite bridge structure having a precompressed beam for supporting loads thereon is described. A plurality of spaced apart consoles are secured to the beam, the consoles being urged apart to create a bending moment in the beam having a substantially parabolic distribution between the ends of the beam. The bending moment is in a direction opposite to the direction of the moment created by the loads supported by the beam. As a consequence of the precompression, a longitudinal force and bending moment working on the composite bridge structure improves the load carrying capacity of the structure.

REFERENCES:
patent: 3103026 (1963-09-01), Hahn

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