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Spliced girder bridge and construction method thereof

A technology of girder bridges and edge beams, which is applied in the field of spliced ​​bridges and their construction, to achieve the effects of convenient construction, simple structure and reliable connection

Active Publication Date: 2015-04-01
广东踏云智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a splicing bridge and its construction method for the splicing of prefabricated concrete T-beams in the reconstruction and expansion of expressways

Method used

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  • Spliced girder bridge and construction method thereof
  • Spliced girder bridge and construction method thereof
  • Spliced girder bridge and construction method thereof

Examples

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Embodiment

[0030] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0031] Such as Figure 1~5As shown, a spliced ​​bridge includes a fabricated concrete T-beam bridge 1, a fabricated prestressed concrete split small box girder bridge 2 and a cast-in-place connecting plate 3, and the fabricated prestressed concrete split small box girder bridge 2 is set on On the outside of the prefabricated concrete T-beam bridge 1, the cast-in-place connecting plate 3 is located in the middle of the prefabricated concrete T-beam bridge 1 and the assembled prestressed concrete split small box girder bridge 2, and the bottom surface of the cast-in-place connecting plate 3 and the fabricated concrete The lowest point of the bottom surface of the outer side girder bridge flange plate 8 of the T-beam is flush, the top surface of the cast-in-place connecting plate 3 is flush with the cement concrete pavement layer 5 of the prefabricated concrete T-beam br...

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Abstract

The invention discloses a spliced bridge and a construction method thereof. The spliced bridge comprises a fabricated prestressed concrete split small box girder bridge, a fabricated concrete T girder bridge and a cast-in-place connecting plate; a bridge which is spliced in different structural forms and is entirely stressed is formed by properly reconstructing an original structure, such as detaching an original bridge edge barrier, removing an asphalt pavement layer and a concrete pavement layer, and removing a flange plate and retaining transverse stressed steel bars, to meet requirements on splicing, binding steel bars distributed in the fabricated prestressed concrete split small box girder bridge and steel bars of an original structure integrally to form a steel bar framework, and pouring the cast-in-place connecting plate. The spliced bridge and the construction method thereof have the advantages that (1) the reconstructing mode of the original bridge is simple, and the cast-in-place connecting plate is simple in structure, reliable in connection and convenient to construct; (2) the bearing capacity of a newly built part is high, the building height is lower than that of the original bridge, and the structural design difficulty is reduced.

Description

technical field [0001] The invention belongs to the technical field of bridges, and relates to a splicing bridge of a prefabricated assembled prestressed concrete split small box girder and a concrete T beam, and also relates to a splicing method of a prefabricated assembled prestressed concrete split small box girder and a concrete T beam, and is applicable to The highway bridge reconstruction and widening project is suitable for the widening and reconstruction of highway multi-beam prestressed concrete T-beam bridges with a span of 20m-40m. Background technique [0002] In recent years, highway reconstruction and expansion projects are increasing day by day. Most of them are widened directly on the basis of the original roadbed and bridges. Bridge splicing is the key and difficult point in highway reconstruction and expansion projects. Prefabricated concrete T-beams account for a relatively high proportion on the original expressway, and the span is usually 20m-40m. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D2/00E01D2/04E01D19/12E01D21/00
CPCE01D2/00E01D19/067E01D21/00
Inventor 刘均利
Owner 广东踏云智能科技有限公司
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