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Assembly type combined steel bridge

A prefabricated, steel bridge technology, applied in the direction of bridges, truss bridges, bridge parts, etc., can solve the problems of large deflection, large span, insufficient span, etc.

Pending Publication Date: 2020-10-23
CHINA HARZONE IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the present invention provides a prefabricated composite steel bridge, which has the advantages of small deflection and large span, and can solve the problems of large deflection and insufficient span of prefabricated composite steel bridges in the prior art

Method used

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  • Assembly type combined steel bridge
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Examples

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Embodiment Construction

[0054] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0055] This embodiment provides a prefabricated combined steel bridge, which has the advantages of small deflection and large span, and can solve the problems of large deflection and insufficient span of prefabricated highway steel bridges in the prior art.

[0056] Such as figure 1 and figure 2 As shown, the combined steel bridge includes: four abutments 14, two longitudinal girders, a bridge deck 11, more than two beams 10, more than one pair of wind-resistant pull bars 12 and more than one vertical wind structure 13; wherein, each A longitudinal girder includes more than one row of truss units; bridge deck 11 includes more than one sub-deck, such as Figure 20 As shown, the sub-bridges are divided into side bridges, standard bridges and middle bridges;

[0057] Such as Figure 8 As shown, each row of truss units includes: triangular truss 1 and sta...

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Abstract

The invention discloses an assembly type combined steel bridge. The assembly type combined steel bridge comprises four bridge seats, two longitudinal beams, a bridge deck slab and more than two crossbeams, wherein the two longitudinal beams are arranged in parallel, more than two cross beams are transversely connected between the two longitudinal beams, and the cross beams are used for supportingthe longitudinal beams connected to the two ends of the cross beams and serve as bearing beams of the bridge deck slab; the bridge deck slab is arranged on the cross beam and is used for bearing a load; the bottoms of the cross beams corresponding to the four corners of the bridge deck slab are supported on the bridge abutment through bridge seats respectively.

Description

technical field [0001] The invention relates to the technical field of emergency bridge equipment, in particular to an assembled composite steel bridge. Background technique [0002] Emergency support tasks have more and more stringent requirements for emergency equipment. The existing emergency prefabricated composite steel bridges in my country mainly include "321" combat readiness steel bridges and ZB-200 prefabricated highway steel bridges. Insufficient diameter and other shortcomings need to be researched and improved. Contents of the invention [0003] In view of this, the present invention provides a prefabricated composite steel bridge, which has the advantages of small deflection and large span, and can solve the problems of large deflection and insufficient span of the prefabricated composite steel bridge in the prior art. [0004] The present invention is achieved through the following technical solutions: an assembled composite steel bridge, comprising: four br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D6/00E01D19/12
CPCE01D6/00E01D19/125E01D2101/30
Inventor 李开琼胡大虎汪田熊志汤云溪
Owner CHINA HARZONE IND CORP
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