Bridges – Suspension – Simple system
Patent
1997-11-21
1999-04-27
Will, Thomas B.
Bridges
Suspension
Simple system
14 18, 14 21, 14 23, 14 771, E01D 1100, E01D 2300, E01D 2100
Patent
active
058966099
ABSTRACT:
A method of construction a prestressed cable-stay bridge is provided. The method includes the constructing at least a tower having a pier, a pair of masts and a girder between the masts for securing a deck, a main beam supported on the deck along a longitudinal direction of the bridge, a pair of sub-beams connect to two ends of the main beam and suspended from a plurality of temporal stay cables from the top of the masts, an upper portion and a plurality of segment secured on the top of the main beam and the sub-beam after the performance of on the spot prestressing procedure, a plurality of side reinforcements secured to the elongate gaps at two lateral side of the bridge, a plurality of permanent stay cables instead of the temporal stay cables for suspending the bridge from the inner side of the masts and a roadway paved on the top of the bridge. This disclosure further includes a plurality of safety plates provide along the lateral sides of the bridge to ensure a safe and convenient working condition to the working personnel.
REFERENCES:
patent: 467013 (1892-01-01), Miller
patent: 3677189 (1972-07-01), Appelt
patent: 4352220 (1982-10-01), Wittfoht
patent: 4907312 (1990-03-01), Yang et al.
patent: 5072474 (1991-12-01), Dilger et al.
Hartmann Gary Scott
Will Thomas B.
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