CN213061649U - Combined bridge structure - Google Patents
Combined bridge structure Download PDFInfo
- Publication number
- CN213061649U CN213061649U CN202021313246.1U CN202021313246U CN213061649U CN 213061649 U CN213061649 U CN 213061649U CN 202021313246 U CN202021313246 U CN 202021313246U CN 213061649 U CN213061649 U CN 213061649U
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- Prior art keywords
- pontic
- bridge
- arc
- shear force
- steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 239000004567 concrete Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 abstract description 5
- 238000005267 amalgamation Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a combined bridge structure, including the first pontic, and the second pontic that combines together with the first pontic, and set up in the pier below first pontic and second pontic, the first pontic has seted up first shear force groove towards one side of second pontic, the second pontic has seted up the second shear force groove that matches with first shear force groove towards one side of first pontic, the connection face department of first pontic and second pontic has run through more than one shear force key, the first pontic includes the parallel decking that is located the top, and the arc steel roof that is located the bottom, and sets up the arc reinforcing bar board between parallel decking and arc steel roof, and weld in parallel decking and arc steel roof between, and be the cross-arrangement built-up connection round pin with arc reinforcing bar board; the combined bridge has the advantages of short construction period, small occupied area and strong bridge deck bending resistance.
Description
Technical Field
The utility model relates to a modular bridge structures.
Background
The bridge types are divided into railway bridges, highway-railway dual-purpose bridges, pedestrian bridges, water transport bridges (aqueducts) and other special bridges (such as pipelines, cables and the like) according to the purposes. According to the crossing obstacles, there are river-crossing bridges, valley-crossing bridges, line-crossing bridges (also called overpasses), viaducts, trestles, etc. The bridge is divided into wood bridge, steel bridge, reinforced concrete bridge, prestressed concrete bridge, masonry bridge (including brick bridge, stone bridge and concrete bridge), etc. The bridge deck is divided into an upper bearing type bridge, a lower bearing type bridge and a middle bearing type bridge according to different positions of the bridge span structure. The bridge deck of the upper deck bridge is arranged on the top surface of the bridge span structure, the width of the bridge collapse structure can be smaller, the structure is simple, and the sight on the bridge is not blocked; the bridge deck of the underpass bridge is arranged below the bridge span structure, the building height (the size from the rail bottom to the beam bottom) is small, the under-bridge clearance is increased, but the bridge span structure is wide, and the structure is complex; the bridge deck of the half-through bridge is arranged in the middle of the bridge span structure and is mainly used for the arch bridge span structure.
The existing bridge structure has the defects of long construction period, large occupied area and poor bending resistance of a bridge deck, and influences the construction and use of the bridge.
SUMMERY OF THE UTILITY MODEL
To the deficiency among the prior art, the utility model aims at providing a construction cycle is short, area occupied is little, the strong combination formula bridge structures of bridge floor bending resistance.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a modular bridge structure, including first pontic, and the second pontic that makes up with first pontic, and set up in the pier of first pontic and second pontic below, first pontic has seted up first shear force groove towards one side of second pontic, the second pontic is seted up towards one side of first pontic with first shear force groove matched with second shear force groove, the face department of being connected of first pontic and second pontic runs through there is more than one shear force key, first pontic is including the parallel decking that is located the top, and the arc steel roof that is located the bottom, and set up the arc reinforcing bar board between parallel decking and arc steel roof, and weld between parallel decking and arc steel roof and be the cross arrangement's built-up connection round pin with arc reinforcing bar board.
Preferably, a cavity structure is formed between the parallel bridge deck and the arc-shaped steel top plate.
Furthermore, the shear key is embedded in a cavity structure between the parallel bridge deck and the arc-shaped steel top plate.
Furthermore, the arc-shaped steel rib plate and the combined connecting pin are both arranged in the cavity structure.
Furthermore, the arc-shaped steel rib plate and the combined connecting pin are arranged in a cross shape.
Preferably, a concrete structure is poured in the cavity structure.
Preferably, the pier includes a first steel pier provided below the first bridge and a second steel pier provided below the second bridge.
Furthermore, the first steel bridge pier and the second steel bridge pier are symmetrically arranged.
Preferably, a first guardrail is arranged on the upper portion of the first bridge body close to the outer side, and a second guardrail is arranged on the upper portion of the second bridge body close to the outer side.
Furthermore, the first guardrail and the second guardrail are symmetrically arranged.
The utility model has the advantages that:
through the assembled structure of first pontic and second pontic, the first shear force groove via first pontic carries out the amalgamation with the second shear force groove of second pontic, and a plurality of shear force keys of collocation are connected, make the bridge can the segmentation construction, the segmentation transportation, reduce construction cycle and transportation area occupied, realize the rapid installation of bridge through the assembled structure, still adopted the bearing structure of arc ribbed steel plate and built-up connection round pin in addition, the bending resistance of its bridge floor is stronger, and when the construction, only need directly with first pontic and second pontic amalgamation and run through behind the shear force key, it can to pour into concrete structure again, further reduction construction cycle.
Drawings
Fig. 1 is the overall structure schematic diagram of the combined bridge structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Examples
Referring to fig. 1, a combined bridge structure includes a first bridge body 1, a second bridge body 2 combined with the first bridge body 1, and piers 3 disposed under the first bridge body 1 and the second bridge body 2, a first shear groove 11 is arranged on one side of the first bridge body 1 facing the second bridge body 2, a second shear groove 21 matched with the first shear groove 11 is arranged on one side of the second bridge body 2 facing the first bridge body 1, more than one shear key 4 penetrates through the connecting surface of the first bridge body 1 and the second bridge body 2, the first bridge body 1 comprises a parallel bridge deck 12 located at the top, an arc-shaped steel top plate 13 located at the bottom, an arc-shaped steel bar plate 14 arranged between the parallel bridge deck 12 and the arc-shaped steel top plate 13, and a combined connecting pin 15 welded between the parallel bridge deck 12 and the arc-shaped steel top plate 13 and arranged to intersect with the arc-shaped steel bar plate 14.
Be formed with a cavity structures 5 between parallel decking 12 and the arc steel roof 13, shear force key 4 buries in cavity structures 5 between parallel decking 12 and the arc steel roof 13, arc ribbed steel plate 14 all sets up in cavity structures 5 with built-up connection round pin 15, arc ribbed steel plate 14 is the criss-cross form setting with built-up connection round pin 15, concrete structure 6 has been pour in cavity structures 5, carries out the installation of running through of shear force key 4 through cavity structures 5 to carry out inside support through arc ribbed steel plate 14 and built-up connection round pin 15, pour concrete structure 6 after that and fix.
Pier 3 is including setting up the first steel pier 31 in the below of first pontic 1, and sets up the second steel pier 32 in second pontic 2 below, first steel pier 31 is the symmetrical formula setting with second steel pier 32, the outside that leans on of the top of first pontic 1 is equipped with first guardrail 7, the outside is leaned on to the top of second pontic 2 and is equipped with second guardrail 8, first guardrail 7 is the symmetrical formula setting with second guardrail 8, and second pontic 2 is mirror symmetry with first pontic 1 except that shear force groove department, through being each part with whole pontic split, when setting up the bridge, installs the concatenation again on the scene, very big improvement efficiency of construction.
The utility model has the advantages that:
through the assembled structure of first pontic and second pontic, the first shear force groove via first pontic carries out the amalgamation with the second shear force groove of second pontic, and a plurality of shear force keys of collocation are connected, make the bridge can the segmentation construction, the segmentation transportation, reduce construction cycle and transportation area occupied, realize the rapid installation of bridge through the assembled structure, still adopted the bearing structure of arc ribbed steel plate and built-up connection round pin in addition, the bending resistance of its bridge floor is stronger, and when the construction, only need directly with first pontic and second pontic amalgamation and run through behind the shear force key, it can to pour into concrete structure again, further reduction construction cycle.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.
Claims (10)
1. The utility model provides a modular bridge structures, including first pontic, and the second pontic that makes up with first pontic, and set up in pier, its characterized in that of first pontic and second pontic below: first shear force groove has been seted up towards one side in the second pontic to first pontic, the second pontic is seted up towards one side in first pontic with first shear force groove matched with second shear force groove, the first pontic runs through the shear force key more than one with the connection face department of second pontic, first pontic is including the parallel decking that is located the top, and the arc steel roof that is located the bottom, and sets up the arc reinforcing bar board between parallel decking and arc steel roof, and welds between parallel decking and arc steel roof, and is the built-up connection round pin of cross arrangement with the arc reinforcing bar board.
2. The modular bridge construction of claim 1, wherein: a cavity structure is formed between the parallel bridge deck and the arc-shaped steel top plate.
3. A modular bridge construction according to claim 2, wherein: the shear key is embedded in a cavity structure between the parallel bridge deck and the arc-shaped steel top plate.
4. A modular bridge construction according to claim 2, wherein: the arc-shaped steel rib plate and the combined connecting pin are both arranged in the cavity structure.
5. The modular bridge construction of claim 4, wherein: the arc-shaped steel rib plates and the combined connecting pins are arranged in a cross shape.
6. The modular bridge construction of claim 5, wherein: and a concrete structure is poured in the cavity structure.
7. A modular bridge construction according to any one of claims 1-6, wherein: the bridge pier comprises a first steel bridge pier arranged below the first bridge body and a second steel bridge pier arranged below the second bridge body.
8. The modular bridge construction of claim 7, wherein: the first steel bridge pier and the second steel bridge pier are symmetrically arranged.
9. A modular bridge construction according to any one of claims 1-6, wherein: the top of first pontic is close to the outside and is equipped with first guardrail, the top of second pontic is close to the outside and is equipped with the second guardrail.
10. A modular bridge construction according to claim 9, wherein: the first guardrail and the second guardrail are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313246.1U CN213061649U (en) | 2020-07-07 | 2020-07-07 | Combined bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313246.1U CN213061649U (en) | 2020-07-07 | 2020-07-07 | Combined bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213061649U true CN213061649U (en) | 2021-04-27 |
Family
ID=75571151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021313246.1U Expired - Fee Related CN213061649U (en) | 2020-07-07 | 2020-07-07 | Combined bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213061649U (en) |
-
2020
- 2020-07-07 CN CN202021313246.1U patent/CN213061649U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |