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Offshore steel floating bridge unit, floating bridge including offshore steel floating bridge unit and construction method of floating bridge

A pontoon, steel technology, applied in pontoons, bridges, bridge parts, etc., can solve the problems of pier-type pontoons without positioning ballast, no protective railings on the bridge deck, and unclear connection methods of pontoons, so as to achieve rapid erection and dismantling. Convenience, simple and practical structure, good impact resistance

Pending Publication Date: 2019-11-15
RIZHAO GANGDA SHIPBUILDING HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of offshore steel pontoon unit, the pontoon comprising the unit and the construction method of the pontoon, to solve the problem that the main structure proposed in the above-mentioned background technology is too single, the connection mode between the pontoon bridges is not clear, and the bridge deck is not provided The protective railings are not well protected in terms of safety, and the pier-type pontoon bridge has no positioning ballast, and it is easy to move when the swell is large

Method used

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  • Offshore steel floating bridge unit, floating bridge including offshore steel floating bridge unit and construction method of floating bridge
  • Offshore steel floating bridge unit, floating bridge including offshore steel floating bridge unit and construction method of floating bridge
  • Offshore steel floating bridge unit, floating bridge including offshore steel floating bridge unit and construction method of floating bridge

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Embodiment 1

[0023] refer to Figure 1-2 , a steel pontoon bridge unit at sea, comprising a bridge deck 4, a steel floating body 1 parallel to the extending direction of the bridge deck 4 is fixed at the lower end of the bridge deck 4, and the steel floating body 1 is composed of two same lengths arranged in parallel For the threaded steel pipes, the two ends of the two threaded steel pipes are sealed with the sealing plate 6 respectively. A connection flange 7 is welded at both ends of the threaded steel pipe.

Embodiment 2

[0025] refer to Figure 1-2 , a steel pontoon bridge unit at sea, comprising a bridge deck 4, a steel floating body 1 parallel to the extending direction of the bridge deck 4 is fixed at the lower end of the bridge deck 4, and the steel floating body 1 is composed of two same lengths arranged in parallel For the threaded steel pipes, the two ends of the two threaded steel pipes are sealed with the sealing plate 6 respectively. A connection flange 7 is welded at both ends of the threaded steel pipe. The lower end of the steel floating body 1 is equipped with a counterweight 3 that sinks into the sea. The counterweights 3 are respectively installed one on both sides of the steel floating body 1 . The counterweight 3 is connected with the steel floating body 1 through an anchor chain.

Embodiment 3

[0027] refer to Figure 1-2 , a steel pontoon bridge unit at sea, comprising a bridge deck 4, a steel floating body 1 parallel to the extending direction of the bridge deck 4 is fixed at the lower end of the bridge deck 4, and the steel floating body 1 is composed of two same lengths arranged in parallel For the threaded steel pipes, the two ends of the two threaded steel pipes are sealed with the sealing plate 6 respectively. A connection flange 7 is welded at both ends of the threaded steel pipe. The lower end of the steel floating body 1 is equipped with a counterweight 3 that sinks into the sea. The counterweights 3 are respectively installed one on both sides of the steel floating body 1 . The counterweight 3 is connected with the steel floating body 1 through an anchor chain. Each steel floating body 1 has a counterweight 3 that sinks into the sea. When the sea swell is large, the adjacent offshore steel pontoon unit can be connected to the bottom of the sea through t...

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Abstract

The invention discloses an offshore steel floating bridge unit, a floating bridge including the offshore steel floating bridge unit and a construction method of the floating bridge, and relates to thetechnical field of steel floating bridge manufacturing and installation technologies. The offshore steel floating bridge unit comprises a bridge floor, a steel floating body parallel to the extendingdirection of the bridge floor is fixed to the lower end of the bridge floor, the steel floating body comprises two threaded steel pipes of the same length and arranged in parallel, and the two ends of the two threaded steel pipes are separately sealed by a sealing plate. The offshore steel floating bridge unit is simple and practical in structure and good in stability, can be lapped according tothe required use distance, is quick and convenient to build and dismantle, low in cost, high in corrosion resistance, good in impact resistance, simple in maintenance, and is suitable for being placedin water area all year round.

Description

technical field [0001] The invention relates to the technical field of steel pontoon bridge fabrication and installation, in particular to a marine steel pontoon bridge unit, a pontoon bridge including the unit, and a construction method for the pontoon bridge. Background technique [0002] In the context of the new era, with the proposal of the "blue granary" strategy, the country vigorously promotes the marine economy, optimizes and upgrades traditional industries, transforms and develops modern fisheries, and promotes the development of jack-up breeding platforms, deep-sea intelligent breeding cages and other marine industries. Fishing equipment, so the traffic problem between offshore marine equipment and the coast is becoming more and more prominent. The cost of using transportation ships to pick up and drop off is high, the timeliness is low, and the amount of reclamation and bridge construction is large and costly. Building floating bridges can effectively solve these ...

Claims

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Application Information

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IPC IPC(8): E01D15/14E01D21/00E01D19/00E01D19/10E01D19/12
CPCE01D15/14E01D19/00E01D19/103E01D19/125E01D21/00
Inventor 刘超卿周杨白炎征唐峰李为阳
Owner RIZHAO GANGDA SHIPBUILDING HEAVY IND