Bridges – Miscellaneous
Patent
1990-12-03
1992-04-21
Dang, Hoang C.
Bridges
Miscellaneous
14 24, 404 1, E01D 1510, E01D 100
Patent
active
051054949
ABSTRACT:
The present invention relates to a road excavation and paving system having a main bridge section and ramp sections attached thereto for allowing traffic to continuously flow to and from the old highway and to and from the new highway. The old highway is reconstructed under the main bridge section. Crossovers are necessary to allow cross traffic over the old and new highways. The system has a plurality of movable pads connected by hydraulic pistons to the main bridge section for incrementally moving the system while the old road is being excavated and rebar is being laid on the new surface. After the rebar has been laid down, cement may be poured and the road finished to provide a continuous system for excavating and constructing the new highway. There is a continuous flow of traffic over the system while the old highway is being excavated and the new highway is being built. A unique feature of this invention is the capability of maintaining continuous traffic in both directions as well as providing for the necessary traffic lanes for service vehicles to carry materials to and remove materials from the main bridge section.
REFERENCES:
patent: 2363767 (1944-11-01), Yassin
patent: 3811147 (1974-05-01), Dix
patent: 4698866 (1987-10-01), Kano
Dang Hoang C.
Highway Construction Bridge Systems, Inc.
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