Bridges – Truss – Arrangement
Patent
1979-02-15
1981-04-07
Byers, Jr., Nile C.
Bridges
Truss
Arrangement
14 1, 248544, 52299, 308 3R, E01D 1906
Patent
active
042597595
ABSTRACT:
A concrete bridge girder support structure for use in a cantilever erection method is disclosed. The support structure comprises an upper shoe for use as a fixture to the girder through a sole plate fixed to the girder at a predetermined position, a lower shoe fixed on a pier and abutment, a movable part(s) disposed between the upper and lower shoes, and a movable plate placed for bridge-axial movement relative to the upper shoe. A concrete bridge girder erection method using such a support structure is also disclosed. The girder having the sole plate fixed thereto at the predetermined position is carried on the movable plate and continuously advanced along the upper shoe up to a predetermined erection position with bridge-axial movement of the movable plate. At the erection position, the sole plate is integrally fixed to the upper shoe of the support structure.
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patent: 3806975 (1974-04-01), Fyfe
patent: 3971598 (1976-07-01), Rudge
patent: 3979787 (1976-09-01), Ahlgren
Byers Jr. Nile C.
Oiles Industry Co. Ltd.
Oujevolk George B.
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