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Continuous bridge deck and medium and small span continuous rigid frame combined structure

A combined structure, medium and small span technology, applied in bridges, bridge parts, bridge construction, etc., can solve the problem of affecting the overall urban landscape of the permeability under the bridge, reduce the air space and the permeability under the bridge, and limit the space under the bridge. Use problems such as improving the air space and permeability of the bridge, improving the overall stiffness and anti-overturning ability, and improving the space under the bridge.

Pending Publication Date: 2020-05-15
CCCC HIGHWAY CONSULTANTS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When urban bridges adopt this type of structure, too many piers will produce a "pillar forest" effect, which affects the permeability under the bridge and the overall landscape of the city, and greatly limits the use of space under the bridge; This kind of structural form will greatly increase the water resistance rate of water flow and reduce the permeability of the air space and under the bridge.

Method used

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  • Continuous bridge deck and medium and small span continuous rigid frame combined structure
  • Continuous bridge deck and medium and small span continuous rigid frame combined structure
  • Continuous bridge deck and medium and small span continuous rigid frame combined structure

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Such as figure 1 As shown, in this embodiment, a continuous bridge deck and a continuous rigid frame composite structure with small and medium spans, including several pile structures 1, a pier structure 2 arranged on the pile structure 1, and a main girder arranged on the pier structure 2 Structure 3, and seamless expansion joint structure 4. At least three adjacent pile structures 1 are a group of supporting structures, and two adjacent groups of supporting structures share one pile structure 1. The main beam structure 3 is divided into several sections, and each section of the main beam structure 3 is correspondingly arranged in a On the group support structure, a solid seamless expansion joint structure 4 is arranged between adjacent main beam structures 3 .

[0021] In this embodiment, the pile structure 1 is constructed first, then the pier structure 2 is constructed based on the pile structure 1, and the main beam structure 3 is constructed based on the pier str...

Embodiment 2

[0026] On the basis of the above embodiments, in this embodiment, the pier structure 2 is fixedly connected to the main beam structure 3 . In this embodiment, the pier structure 2 and the main beam structure 3 are both concrete structures. After the main beam structure 3 is poured, it will gradually be connected with the pier structure 2 during the solidification process to form an integrated body, so as to realize the pier structure 2 and The main beam structure 3 is fixedly connected.

[0027] After the construction of the main girder structure 3 is completed, the bridge deck is constructed on the upper surface of the main girder structure 3 . Under the existing technical conditions, when constructing the main beam structure 3, a support will be provided between the pier structure 2 and the main beam structure 3, and the use of the support to connect the pier structure 2 and the main beam structure 3 will reduce the pier structure 2 and the main beam structure. 3 connection...

Embodiment 3

[0034] Such as figure 1 As shown, in this embodiment, when the three pier structures 2 are a set of support structures, the pier structure 2 includes a semicircular pier 21 and a full circular pier 22, and a set of support structures includes two semicircular pier 21 and a full circular pier 21. A round pier 22 , the full round pier 22 is set between two semicircular pier 21 .

[0035] In this embodiment, the radius of the semicircular pier 21 is the same as that of the full circular pier 22. On the shared pile structure 1, the two semicircular piers 21 can be assembled into a completed full circular pier 22, thus ensuring that all The consistency of the appearance of the pier structure 2 is conducive to making the entire pier structure 2 bear uniform force and maintain an attractive appearance. When the pier structure 2 is used in water areas, since the full-round pier 22 is cylindrical, the two semi-circular piers 21 can also be combined to form a cylindrical shape, which c...

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Abstract

The invention discloses a continuous bridge deck and medium and small span continuous rigid frame combined structure. The structure comprises a plurality of pile structures, pier structures arranged on the pile structures and beam structures arranged on the pier structures, wherein three adjacent pile structures form a set of supporting structures, two adjacent sets of supporting structures shareone pile structure, the beam structure is divided into a plurality of sections, each section of beam structure is correspondingly arranged on one set of supporting structures, and a solid seamless expansion joint structure is arranged between the adjacent beam structures. The beneficial effects of the invention are that: the method is suitable for large-scale production; according to the scheme, the seamless expansion joint structures are arranged between the adjacent beam structures, the seamless expansion joint structures are pressed to deform to provide space needed by deformation of the beam structures, the solid structures are formed between the adjacent beam structures, noise and vibration are prevented from being generated when vehicles pass, and the driving comfort is prevented from being affected; a continuous rigid frame structure is adopted, a support is avoided, and steel casings are arranged on the outer sides of the semicircular piers to prevent the piers from cracking.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to a combined structure of a continuous bridge deck and a continuous rigid frame with medium and small spans. Background technique [0002] Under the existing technical conditions, the bridge needs to use the expansion joint structure to provide the reserved space required for the expansion and deformation of the bridge. The use of expansion joints requires the design of a corresponding waterproof structure to prevent rainwater from entering the expansion joints and causing corrosion to the inside of the bridge, and also to prevent large particles of impurities from entering the expansion joints and causing blockages that affect the normal use of the expansion joints, increasing the difficulty and cost of construction. , and inspection and maintenance are required in the later stage, which increases the workload and cost of maintenance. During the driving process of the...

Claims

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Application Information

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IPC IPC(8): E01D1/00E01D19/02E01D19/06E01D19/12
CPCE01D1/00E01D19/02E01D19/06E01D19/125
Inventor 孟凡超王梓夫郭慧乾宋颖彤冯清海
Owner CCCC HIGHWAY CONSULTANTS
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