Expansion joint apparatus

Details Expansion joint apparatus Expansion joint apparatus

1998-06-16

2000-02-08

Will, Thomas B.

Road structure, process, or apparatus

Pavement

Including joint means

404 47, 404 68, 14 731, 14 735, E01C 1102, E01C 1114, E01C 514, E01D 1906, E01D 1904

Patent

active

060221690

ABSTRACT:
Expansion joint apparatus which can be installed at junctions between upper structures of a road and a bridge. In a state of applying the apparatus to a bridge, each wheel in a same shaft of a vehicle passes the apparatus at different time spots, that is, when any one wheel passes one of the support members, the other wheel passes the other support member. Thus, a load applied to the bridge is distributed. The apparatus is made of material having high stiffness so that it lasts a long time. By changing the number of the intermediate support members, an expansion range of the apparatus can be controlled.

REFERENCES:
patent: 3375763 (1968-04-01), Welch
patent: 3797952 (1974-03-01), Pommerening et al.
patent: 4120066 (1978-10-01), Leroux
patent: 4925339 (1990-05-01), Smith
patent: 5028168 (1991-07-01), Conversy
patent: 5181793 (1993-01-01), Dekel
patent: 5211505 (1993-05-01), Ueda

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