Scaffolding girder for constructing multiple-span bridge structu

Details Scaffolding girder for constructing multiple-span bridge structu Scaffolding girder for constructing multiple-span bridge structu

1980-08-08

1984-10-23

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

264 33, 264 35, E04B 116

Patent

active

044787731

ABSTRACT:
In a multiple-span bridge structure with side-by-side bridges, a scaffolding girder-formwork assembly is movable in the longitudinal direction of each bridge for constructing individual sections of the superstructure over support piers. After use on one bridge, the scaffolding girder-formwork assembly is movable to the other bridge by first rotating it about a vertical axis from the longitudinal direction of the bridge to the transverse direction while the assembly is centered over a pier of the one bridge. A support for the assembly is moved over a pier on the other bridge. Then the assembly is moved in the transverse direction until it is centered over the pier of the other bridge. Subsequently, the assembly is rotated into the longitudinal direction of the other bridge in position for constructing sections of the superstructure.

REFERENCES:
patent: 3003219 (1961-10-01), Suter
patent: 3961457 (1976-06-01), Zalewski
patent: 4228114 (1980-10-01), Alsen

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