CN220521086U - Steel-concrete composite beam bridge assembled anti-collision wall connection structure - Google Patents
Steel-concrete composite beam bridge assembled anti-collision wall connection structure Download PDFInfo
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- CN220521086U CN220521086U CN202322017206.2U CN202322017206U CN220521086U CN 220521086 U CN220521086 U CN 220521086U CN 202322017206 U CN202322017206 U CN 202322017206U CN 220521086 U CN220521086 U CN 220521086U
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- 239000004567 concrete Substances 0.000 title claims abstract description 112
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 239000011440 grout Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a steel-concrete composite beam bridge assembled anti-collision wall connecting structure, which comprises a steel-concrete composite beam and an anti-collision wall, wherein the steel-concrete composite beam comprises a concrete bridge panel and a steel beam, the anti-collision wall is formed by splicing prefabricated anti-collision wall sections in the longitudinal direction, holes are formed in the bottoms of the prefabricated anti-collision wall sections, the holes penetrate through two end surfaces of the prefabricated anti-collision wall sections, and concrete wall plates on two sides of the holes are supported on the concrete bridge panel; the concrete bridge deck slab is characterized in that the edge parts of two sides of the concrete bridge deck slab are pre-embedded with the steel bars in the shape of a Chinese character 'ji', the steel bars in the shape of a Chinese character 'ji' extend into holes at the bottom of the prefabricated anti-collision wall, and concrete is poured into the holes. The assembled anti-collision wall connecting structure is convenient to construct, the cast-in-situ and assembly combined mode is adopted, the integrity of the anti-collision wall and the concrete bridge deck is improved, the integrity is strong, the safety is high, the structure can well adapt to the characteristic that the beam is easy to deform due to uneven surface, and the generation of cracks in the stress process is reduced.
Description
Technical Field
The utility model relates to the field, in particular to a steel-concrete composite beam bridge assembled anti-collision wall connecting structure.
Background
The anti-collision wall has important functions in auxiliary facilities of bridge engineering, can ensure driving safety and reduce accidents, and can also increase ornamental value of roads or bridges when being combined with the roads or bridges due to attractive modeling. At present, the traditional method of in-situ casting is mostly adopted in the construction of the anti-collision wall, the construction period is long, and the shrinkage and creep of the concrete after the construction can seriously influence the performance of the anti-collision wall. In order to solve the defect, the prefabricated construction method is applied to the construction of the anti-collision wall. The assembled anti-collision wall is characterized in that the anti-collision wall is taken as an independent prefabricated unit and is installed on a boundary beam of which the bridge deck concrete pavement is completed through some construction methods at a construction site. The assembled anti-collision wall adopts factory prefabrication production, can improve construction quality and shorten construction period, and can be flexibly applied to various reconstruction and expansion projects because specific side beams are not used as the basis in the prefabrication process.
Along with the continuous promotion of the urban process of China, the application range of the prefabricated construction method is wider and wider, most cities of China are built into bridges adopting the prefabricated construction method, and compared with the traditional construction method, the economical efficiency and the sociality of the bridge are obvious. However, the assembly type anti-collision wall adopted in the market at present has the problems that the installation method between the assembly type anti-collision wall and a bridge and between two assembly type anti-collision walls is inconvenient and the like, and compared with the traditional cast-in-situ mode, the assembly type anti-collision wall is inconvenient to connect, has poor integrity and low safety, and can well adapt to the characteristics that the beam is easy to deform due to uneven surface in the cast-in-situ mode, and the assembly type anti-collision wall structure has very limited adjustment on the structure and is very easy to generate cracks in the stress process.
Disclosure of Invention
In view of the above, the utility model aims to provide the steel-concrete composite beam bridge assembled anti-collision wall connecting structure which is convenient to construct, strong in integrity and high in safety.
The utility model is realized by adopting the following scheme: the steel-concrete composite beam bridge assembled anti-collision wall connecting structure comprises a steel-concrete composite beam and an anti-collision wall, wherein the steel-concrete composite beam comprises a concrete bridge deck and a steel beam, the anti-collision wall is formed by splicing prefabricated anti-collision wall sections in the longitudinal direction, holes are formed in the bottoms of the prefabricated anti-collision wall sections, the holes penetrate through two end faces of the prefabricated anti-collision wall sections, and concrete wall plates on two sides of the holes are supported on the concrete bridge deck; the concrete bridge deck slab is characterized in that the edge parts of two sides of the concrete bridge deck slab are pre-embedded with the steel bars in the shape of a Chinese character 'ji', the steel bars in the shape of a Chinese character 'ji' extend into holes at the bottom of the prefabricated anti-collision wall, and concrete is poured into the holes.
Further, set up stirrup and longitudinal reinforcement in the prefabricated anticollision wall festival section, the stirrup comprises vertical muscle and horizontal muscle, the horizontal muscle of stirrup bottom spanes the hole, the vertical muscle of stirrup is buried in the concrete wallboard of hole both sides.
Further, the horizontal bars of the stirrups in the holes are arranged at intervals with the rectangular bars, and the connecting bars are arranged in the holes to connect the horizontal bars of the stirrups with the rectangular bars through binding.
Further, grouting holes communicated with the holes are formed in the tops of the prefabricated anti-collision wall sections, and a grout outlet communicated with the holes is formed in the prefabricated anti-collision wall sections at intervals of 2-3 m close to the bridge deck side.
Further, a deformation joint is arranged between two adjacent prefabricated anti-collision wall segments, and matched convex wedge blocks and grooves are arranged on the splicing end surfaces of the two adjacent prefabricated anti-collision wall segments.
Further, the outer side concrete wall plate of the prefabricated anti-collision wall section is composed of a concrete wall plate short portion and a concrete wall plate long portion, the concrete wall plate short portion is located on the inner side of the concrete wall plate long portion to form a secondary step shape, the concrete wall plate short portion is supported on the concrete bridge deck, and the concrete wall plate long portion extends downwards to the outer side of the suspension wall end of the concrete bridge deck.
Further, a cushion block is arranged between the concrete wallboard short part of the outer concrete wallboard and the concrete bridge deck, and a leveling cushion layer is arranged between the inner concrete wallboard of the prefabricated anti-collision wall section and the concrete bridge deck.
Compared with the prior art, the utility model has the following beneficial effects: the assembled anti-collision wall connecting structure is convenient to construct, the cast-in-situ and assembly combined mode is adopted, the integrity of the anti-collision wall and the concrete bridge deck is improved, the integrity is strong, the safety is high, the structure can well adapt to the characteristic that the beam is easy to deform due to uneven surface, and the generation of cracks in the stress process is reduced.
The present utility model will be further described in detail below with reference to specific embodiments and associated drawings for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
Drawings
FIG. 1 is a cross-sectional view of a reinforced concrete composite girder bridge according to an embodiment of the present utility model;
fig. 2 is a schematic view of a rectangular reinforcing steel bar structure according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a prefabricated anti-collision wall segment according to an embodiment of the present utility model;
FIG. 4 is a schematic view of stirrups of a prefabricated anti-collision wall segment according to an embodiment of the utility model;
FIG. 5 is a perspective view of an anti-collision wall connection structure according to an embodiment of the present utility model;
FIG. 6 is a side view of an exemplary anti-collision wall connection configuration of the present utility model;
FIG. 7 is a front view of an embodiment of the present utility model with adjacent prefabricated anti-collision wall segments connected together;
fig. 8 is a schematic diagram of the connection of reinforcing steel bars in holes according to an embodiment of the present utility model;
FIG. 9 is a schematic view of a precast anti-knock wall segment grouting hole and a grout outlet hole according to embodiments of the present utility model;
FIG. 10 is a schematic view of a portion of a joint between prefabricated wall segments according to the present utility model
The reference numerals in the figures illustrate: 1-prefabricating a crashproof wall section; 2-concrete deck boards; 3-steel beams; 4-shear connectors; 5-shaped steel bars; 6-an anti-inner side concrete wall plate; 7-outer concrete wall panels; 8-concrete wall panel length; 9-concrete wallboard short sections; 10-stirrups; 11-longitudinal steel bars; 12-horizontal ribs; 13-vertical ribs; 14-cushion blocks; 15-leveling the cushion layer; 16-holes; 17-deformation joint; 18-grouting holes; 19-a slurry outlet hole; 20-wedge block; 21-grooves; 22-connecting steel bars.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As shown in fig. 1-10, a steel-concrete composite beam bridge assembled anti-collision wall connection structure comprises a steel-concrete composite beam and an anti-collision wall, wherein the steel-concrete composite beam comprises a concrete bridge deck 2 and a steel beam 3, shear connectors 4 buried in the concrete bridge deck 2 are welded on the upper side of the steel beam 3, and prefabricated anti-collision walls 1 are arranged on the left side and the right side of the steel-concrete composite beam bridge. The anti-collision wall is formed by splicing prefabricated anti-collision wall sections in the longitudinal direction, the bottom of each prefabricated anti-collision wall section 1 is provided with a hole 16, the holes 16 penetrate through two end faces of each prefabricated anti-collision wall section 1, and concrete wall plates on two sides of the holes are supported on the concrete bridge deck plates 2; the two side edge parts of the concrete bridge deck plate 2 are pre-embedded with the steel bars 5 in a shape like Chinese character 'ji', the steel bars 5 extend into the holes 16 at the bottom of the prefabricated anti-collision wall 1, and the holes 16 are filled with concrete. The connection performance between the prefabricated anti-collision wall segments and the bridge is enhanced by the embedded steel bars in the shape of the Chinese character 'ji', and the prefabricated anti-collision wall segments forming the anti-collision wall are connected into a whole in a mode of pouring concrete into the holes 16 and combining cast-in-situ and assembly, so that the integrity of the anti-collision wall and the concrete bridge deck is improved, the characteristics that the beam is easy to deform due to uneven surfaces can be well adapted, and the generation of cracks in the stress process is reduced.
In the embodiment, stirrups 10 and longitudinal steel bars 11 are arranged in the prefabricated anti-collision wall segment 1, the stirrups 10 consist of vertical steel bars 13 and horizontal steel bars 12, the horizontal steel bars 12 at the bottom of the stirrups 10 span holes 16, and the vertical steel bars 13 of the stirrups 10 are embedded in concrete wall plates at two sides of the holes 16.
In this embodiment, the zigzag reinforcing bars 5 are arranged at a certain interval along the bridge direction, and the external dimension of the zigzag reinforcing bars 5 is smaller than the internal dimension of the holes 16 at the bottom of the prefabricated anti-collision wall segment 1. The horizontal bars 12 of the stirrups 10 in the holes 16 are arranged at intervals with the rectangular bars 5, and the connecting bars 22 are arranged in the holes 16 to connect the horizontal bars 12 of the stirrups 10 with the rectangular bars 5 through binding. Two layers of reinforcing steel bar meshes are arranged in the concrete bridge deck 2, and horizontal reinforcing steel bars at the lower parts of the rectangular reinforcing steel bars 5 are embedded under the upper layer of reinforcing steel bar meshes of the concrete bridge deck 2.
In this embodiment, the top of the prefabricated anti-collision wall segment 1 is provided with a grouting hole 18 leading to the hole 16, the grouting hole 18 is in the shape of a circle with a diameter of about 5 cm-10 cm and smaller than the width dimension of the top of the anti-collision wall 1 by at least 8cm, the depth of the grouting hole 18 is the distance from the top of the anti-collision wall 1 to the top of the hole 16 of the anti-collision wall 1, and the assembly of the steel-concrete composite beam bridge prefabricated anti-collision wall 1 is realized by pouring concrete into the grouting hole 18 at the top of the anti-collision wall 1. The prefabricated anti-collision wall section 1 is provided with a slurry outlet 19 communicated with the holes every 2 m-3 m near the bridge deck side. The slurry outlet 19 is circular in shape, is arranged obliquely, has a diameter of 2 cm-3 cm, penetrates through the inner side concrete wall plate 6, and is arranged to be 0-10 cm higher than the top of the hole 16.
In this embodiment, a deformation joint 17 is disposed between two adjacent prefabricated anti-collision wall segments 1, and a convex wedge 20 and a concave groove 21 which are matched are disposed on the splicing end surfaces of the two adjacent prefabricated anti-collision wall segments 1. The raised wedge 20 is embedded in the groove 21 to enhance the connection performance of the adjacent prefabricated anti-collision wall segments 1.
In this embodiment, the outer concrete wall plate 7 of the prefabricated anti-collision wall section is composed of a concrete wall plate short portion 9 and a concrete wall plate long portion 8, the concrete wall plate short portion 9 is located inside the concrete wall plate long portion 8 to form a secondary step shape, the concrete wall plate short portion 9 is supported on the concrete bridge deck 2, the concrete wall plate long portion 8 extends downwards to the outer side of the wall hanging end of the concrete bridge deck 2, and a gap of 5 mm-10 mm is reserved between the concrete wall plate long portion 8 and the outer side of the wall hanging end of the concrete bridge deck 2.
In this embodiment, a spacer 14 is provided between the concrete wall panel short portion 9 of the outer concrete wall panel 7 and the concrete deck slab 2, and a leveling pad 15 is provided between the inner concrete wall panel 6 of the prefabricated anti-collision wall segment and the concrete deck slab 2.
According to the assembled anti-collision wall connecting structure, the convex wedge blocks and the grooves matched with the convex wedge blocks are arranged on the end faces of the adjacent prefabricated anti-collision wall sections, and the convex wedge blocks are embedded into the grooves to enhance the connecting performance of the adjacent prefabricated anti-collision wall sections; the method is characterized in that the embedded Chinese character 'ji' -shaped steel bars of the concrete bridge deck are inserted into holes at the bottom of the prefabricated anti-collision wall, and the Chinese character 'ji' -shaped steel bars are bound and connected with the anti-collision wall hoop bars through longitudinal steel bars to enhance the connection performance between the prefabricated anti-collision wall segments and the bridge. Meanwhile, the construction convenience of the bridge is improved, the integrity of the bridge is enhanced, and the long part of the concrete wallboard at the outer side of the prefabricated anti-collision wall of the structure can shield the cushion block and the leveling cushion layer, so that the attractive performance of the structure is greatly enhanced, the high appearance requirement of the combined beam structure can be met, and the prefabricated anti-collision wall has great practical value, ornamental value and good economic benefit.
Any of the above-described embodiments of the present utility model disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the utility model, and the numerical values listed above should not limit the protection scope of the utility model.
If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a steel-concrete composite beam bridge assembled anticollision wall connection structure, includes steel-concrete composite beam and anticollision wall, steel-concrete composite beam includes concrete bridge panel and girder steel, its characterized in that: the anti-collision wall is formed by splicing prefabricated anti-collision wall sections in the longitudinal direction, holes are formed in the bottoms of the prefabricated anti-collision wall sections, the holes penetrate through two end faces of the prefabricated anti-collision wall sections, and concrete wall plates on two sides of the holes are supported on concrete bridge decks; the concrete bridge deck slab is characterized in that the edge parts of two sides of the concrete bridge deck slab are pre-embedded with the steel bars in the shape of a Chinese character 'ji', the steel bars in the shape of a Chinese character 'ji' extend into holes at the bottom of the prefabricated anti-collision wall, and concrete is poured into the holes.
2. The steel-concrete composite girder bridge fabricated anti-collision wall connection structure according to claim 1, wherein: the prefabricated anti-collision wall is characterized in that stirrups and longitudinal steel bars are arranged in the prefabricated anti-collision wall sections, the stirrups consist of vertical bars and horizontal bars, the horizontal bars at the bottoms of the stirrups span the holes, and the vertical bars of the stirrups are embedded in the concrete wall plates at two sides of the holes.
3. The steel-concrete composite girder bridge fabricated anti-collision wall connection structure according to claim 2, wherein: the horizontal bars of the stirrups in the holes are arranged at intervals with the rectangular bars, and the connecting bars are arranged in the holes to connect the horizontal bars of the stirrups with the rectangular bars through binding.
4. The steel-concrete composite girder bridge fabricated anti-collision wall connection structure according to claim 1, wherein: and grouting holes communicated with the holes are formed in the top of the prefabricated anti-collision wall section, and a grout outlet communicated with the holes is formed in the prefabricated anti-collision wall section at intervals of 2-3 m close to the bridge deck side.
5. The steel-concrete composite girder bridge fabricated anti-collision wall connection structure according to claim 1, wherein: and deformation joints are arranged between two adjacent prefabricated anti-collision wall segments, and matched convex wedge blocks and grooves are arranged on the splicing end surfaces of the two adjacent prefabricated anti-collision wall segments.
6. The steel-concrete composite girder bridge fabricated anti-collision wall connection structure according to claim 1, wherein: the outside concrete wallboard of prefabricated crashproof wall section comprises concrete wallboard short part and concrete wallboard long part, and concrete wallboard short part is located the concrete wallboard long part inboard in order to form the second grade step form, and concrete wallboard short part supports on the concrete bridge deck, and concrete wallboard long part downwardly extending is to the concrete bridge deck overhang wall end outside.
7. The steel-concrete composite girder bridge fabricated anti-collision wall connection structure according to claim 6, wherein: cushion blocks are arranged between the concrete wallboard short parts of the outer concrete wallboard and the concrete bridge deck, and leveling cushion layers are arranged between the inner concrete wallboard of the prefabricated anti-collision wall section and the concrete bridge deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322017206.2U CN220521086U (en) | 2023-07-31 | 2023-07-31 | Steel-concrete composite beam bridge assembled anti-collision wall connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322017206.2U CN220521086U (en) | 2023-07-31 | 2023-07-31 | Steel-concrete composite beam bridge assembled anti-collision wall connection structure |
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| Publication Number | Publication Date |
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| CN220521086U true CN220521086U (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322017206.2U Active CN220521086U (en) | 2023-07-31 | 2023-07-31 | Steel-concrete composite beam bridge assembled anti-collision wall connection structure |
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| Country | Link |
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| CN (1) | CN220521086U (en) |
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2023
- 2023-07-31 CN CN202322017206.2U patent/CN220521086U/en active Active
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