CN209636655U - Arch bridge reinforced structure based on prefabricated assembly principle - Google Patents
Arch bridge reinforced structure based on prefabricated assembly principle Download PDFInfo
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- CN209636655U CN209636655U CN201822134883.1U CN201822134883U CN209636655U CN 209636655 U CN209636655 U CN 209636655U CN 201822134883 U CN201822134883 U CN 201822134883U CN 209636655 U CN209636655 U CN 209636655U
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- 238000010276 construction Methods 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000009417 prefabrication Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 7
- 239000011083 cement mortar Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model provides an arch bridge reinforced structure based on prefabricated assembly principle, the arch bridge includes arch rib, arch springing, cushion cap, reinforced structure includes prefabricated section component and top pushing system, wherein, the prefabricated section includes unsmooth shape assembly prefabricated section, arch springing prefabricated section and vault prefabricated section, and unsmooth prefabricated section includes inboard prefabricated section and outside prefabricated section two-layer, top pushing system includes convex prefabricated section, top pushing device, spill prefabricated section; the utility model realizes the construction characteristic of 'zero collection as a whole' by utilizing the concave-convex assembly of the inner side and the outer side of the cross section of the precast block and the concave-convex assembly in the direction of the arch axis, and can realize the quick assembly and reinforcement; the pushing device is adopted to provide pre-pressure for the reinforced arch rib, and then the reinforced arch rib and the arch bridge arch rib form a stressed whole through transverse connection, so that the purpose of common stress is achieved, and the rigidity and the bearing capacity of the arch bridge can be improved.
Description
Technical field
The utility model belongs to science of bridge building reinforcement technique field, and especially a kind of arch bridge based on prefabrication and assembly construction principle adds
Fixing structure.
Background technique
The advantages that arch bridge facilitates due to the mellow and full aesthetic feeling of its curve, easy construction, materials, goes through on the bridge construction of China
History is long.However, as Chinese society economy constantly develops, the sharp increase of the volume of traffic, so that servicing bridges large scale goes out
Existing disease, a large amount of servicing bridges are reinforced and are transformed, to meet the needs of highway transportation function.Take reasonable reinforcing
Processing mode can improve the traffic capacity of highway and prolong its service life, save great amount of investment, realize bridge
Sustainable development.
Currently, Arch Bridges Strengthening technology mainly has affixing steel plate reinforcement method, patch Building Strengthened by FRP Sheets method, by changing
" the releasing energy method " of philanthropist's arch ring force-bearing situation and prestress steel twist collimation method etc..Affixing steel plate reinforcement method is simple to operate, but
Its adhesion interface is easily oxidized corrosion and steel sheet peeling off is caused to destroy；Patch Building Strengthened by FRP Sheets method wants effective bonding
Ask very high, it is not easy to handle in work progress；" releasing energy method " applies because the presence of spandrel construction is high to the cutting technical requirements for releasing energy slot
Work difficulty is big；Prestress steel twist collimation method is and to be adhered to arch bridge lower edge by interting prestress wire in prefabricated section
It is reinforced, this method can not play very big consolidation effect and anchored end part due to the arc-shaped arrangement of steel strand wires to arch bridge
Concrete easy damaged.Therefore, it is necessary to a kind of reasonable and easy construction, consolidation effect good reinforcement means, to solve existing arch bridge
The shortcoming of reinforcement means.
Utility model content
Technical problem to be solved in the utility model in view of the deficiency of the prior art, provides a kind of based on prefabricated
Assemble the arch bridge reinforcing structure of principle；Using the assembled feature of the prefabricated block part of concave-convex, the simplification, efficiently of construction both ensure that
Property, and the overall permanence of structure is met, there is the advantages of " collection zero is whole "；Meanwhile by being encircleed using thrustor to reinforcing
Rib integrally generates the antiarch of small radian, so that overall structure has camber, so that it is whole to allow reinforcing arch rib and arch rib to be formed
The common stress of body.
Effectively to solve above-mentioned technical problem, the technical solution that the utility model is taken is as follows:
A kind of arch bridge reinforcing structure based on prefabrication and assembly construction principle, the arch bridge include arch rib, arch springing, cushion cap, it is described plus
Fixing structure includes prefabricated module component and pushing tow system, wherein prefabricated section includes concave-convex assembly prefabricated section, arch springing prefabricated section and arch
Prefabricated section is pushed up, and the concave-convex prefabricated section includes inside prefabricated section and two layers of outside prefabricated section, the inside prefabricated section is part
The arc block structure that exterior surface area is recessed inwardly, the outside prefabricated section are the arc that portion inner surface region is protruded inwardly
Shape block structure, and the prefabricated board is strong concrete prefabricated board.
Particularly, the arch springing prefabricated section and joints cement mortar, the arch springing prefabricated section and arch are installed on the arch springing
Foot and cushion cap are integrally formed.
Particularly, prefabricated section on the inside of splicing on the basis of the arch springing prefabricated section, and arch bridge is bonded in cement mortar
Outside is installed by the concavo-convex characteristic of inside prefabricated section and outside prefabricated section on the basis of the inside prefabricated section in arch rib side
Prefabricated section, the length of the outside prefabricated section are less than the length of inside prefabricated section, to make interior prefabricated section and outside prefabricated section
Seam is staggered to form combination prefabricated section.
Particularly, the arch rib line direction of the arch bridge, it is described combination prefabricated section it is adjacent two-by-two between according to concavo-convex characteristic
Successively splice, and is distributed from two sides arch springing position along span centre positional symmetry；
Particularly, pushing tow system is provided at away from 1/3 across footpath of two sides arch springing, the pushing tow system is prefabricated by convex
Block, pushing tow component, spill prefabricated section composition, wherein the pushing tow component is by thrustor and scalable and fixed steel pile casting
Composition.
Particularly, including an attachment device, the attachment device are made of connecting key and peg, and the connecting key is pasted
In the seam crossing of concave-convex prefabricated section adjacent two-by-two.
The utility model has the following beneficial effects: reinforcing using assembled concave-convex prefabricated section to arch bridge, " collection zero is realized
Be whole " Construction Characteristic, not only facilitated construction, but also formation overall structure that can be intact；Meanwhile by the way that pushing tow system is arranged, utilize
Thrustor compresses axially side pieces, makes to generate precompression inside assembled ruggedized construction, thus entirely reinforcing
Structure generates antiarch, and the arch bridge to be reinforced provides certain camber；It is assembled for two layers by the interior outside of arch rib and Xin Jia
Formula arch rib forms whole common stress, when on arch bridge by load action, is taken by the spelling of prefabricated module component and the combination of arch rib
External loads can be distributed well, are greatly reduced the further degree of impairment of arch rib and are played reinforcement effect.
The utility model is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the arch bridge side view after being reinforced using the utility model Arch Bridges Strengthening method；
Fig. 2 is the assembled prefabricated section structural schematic diagram of bumps of the utility model；
Fig. 3 is the arch springing prefabricated section structural schematic diagram of the utility model；
Fig. 4 is the vault prefabricated section structural schematic diagram of the utility model；
Fig. 5 is the attachment device schematic diagram of the utility model；
Fig. 6 is the combination prefabricated section schematic diagram that the interior outside prefabricated section of the utility model is constituted；
Fig. 7 (a) is the inside prefabricated section structural schematic diagram of the utility model；
Fig. 7 (b) is the structural schematic diagram of the outside prefabricated section of the utility model；
Fig. 8 is the pushing tow system in combination structural schematic diagram of the utility model.
Description of symbols:
1- arch rib, 2- arch springing, 3- cushion cap, 4- concave-convex assembly prefabricated section, 5- arch springing prefabricated section, 6- vault are prefabricated
Block, 7- combination prefabricated section, 8- attachment device, 81- connecting key, 82- peg, 9- pushing tow component, 91- thrustor, 92- steel shield
Cylinder, prefabricated section on the inside of 10- convex prefabricated section, 11- spill prefabricated section, 12-, prefabricated section on the outside of 13-.
Specific embodiment
Embodiment 1:
Referring to shown in Fig. 1 to Fig. 8, a kind of arch bridge reinforcing structure based on prefabrication and assembly construction principle disclosed in the present embodiment,
(1) prefabricated section is designed and produced according to arch rib radian, the arch bridge includes arch rib 1, arch springing 2 and cushion cap 3, institute
Stating prefabricated section includes concave-convex assembly prefabricated section 4, arch springing prefabricated section 5 and vault prefabricated section 6, and the concave-convex prefabricated section includes interior
Side prefabricated section 12 and two layers of outside prefabricated section 13, the inside prefabricated section 12 is the arc that partial outer face region is recessed inwardly
Block structure, the outside prefabricated section 13 are the arc block structure that portion inner surface region is protruded inwardly, and described prefabricated
Plate is strong concrete prefabricated board；
(2) surface of the lateral surface of the arch rib 1 of the arch bridge, the interface of arch springing 2 and cushion cap 3 and cushion cap 3 is carried out
Dabbing and bar planting processing, install the arch springing prefabricated section 5, joints cement mortar makes arch springing prefabricated section 5 and arch springing 2 on arch springing 2
And cushion cap 3 is integrally formed, wherein the arch springing prefabricated section 5 is according to arch springing 2 and the type of attachment of cushion cap 3 and the shape of cushion cap 3
Shape is designed；
(3) prefabricated section 12 on the inside of first splicing on the arch springing prefabricated section 5, and arch rib 1 is bonded in cement mortar
It is installed by the concavo-convex characteristic of inside prefabricated section 12 and outside prefabricated section 13 outer on the basis of inside prefabricated section 12 side
Side prefabricated section 13, the length of the outside prefabricated section 13 are less than the length of inside prefabricated section 12, to make interior prefabricated section 12 and outer
The seam of side prefabricated section 13 is staggered to form combination prefabricated section 7；
(4) in 1 direction of arch rib line of the arch bridge, by the combination prefabricated section 7 it is adjacent two-by-two between according to concave-convex special
Property successively splice, from 2 position of two sides arch springing along span centre positional symmetry construct；
(5) wherein, it is provided with pushing tow system at away from about 1/3 across footpath of two sides arch springing 2, the pushing tow system is pre- by convex
Clamp dog 10, pushing tow component 9, spill prefabricated section 11 form, wherein the pushing tow component is by thrustor 91 and scalable and solid
Fixed steel pile casting 92 forms, and during installing prefabricated section, can only pass through the flexible come an intermal force of control steel pile casting 92；
(6) it is finally realized and is closed by the bilateral linking of the vault prefabricated section 6 in span centre position, installed to all prefabricated sections
After in place, precompression is applied to entire reinforcing arch rib using thrustor 91 and changes simultaneously the collapsing length of steel pile casting 92, when
After reaching certain camber, fixed thrustor 91 and steel pile casting 92, the effect of steel pile casting 92 are to avoid thrustor 91
It answers long-term work and generates pull in effect, influenced for offsetting retraction, after reinforcing arch rib sizing, using attachment device 8 to each
A prefabricated section 4 is attached, and forms it into stress entirety, wherein the attachment device 8 is by connecting key 81 and 82 groups of peg
At working mechanism is: the connecting key 81 being first pasted onto the seam crossing of concave-convex prefabricated section 4 adjacent two-by-two, is then existed
Peg 82 is hammered on connecting key 81, finally carries out grouting treatment in seam crossing, prefabricated section adjacent two-by-two is made to form entirety.
The Applicant declares that person of ordinary skill in the field is on the basis of the above embodiments, by above-described embodiment
Step is combined with the technical solution of utility model content part, thus the note of the new method and the utility model generated
One of range is carried, the application is to keep specification concise, no longer enumerates the other embodiment of these steps.
Claims (6)
1. a kind of arch bridge reinforcing structure based on prefabrication and assembly construction principle, which is characterized in that the arch bridge includes arch rib, arch springing, pre-
Clamp dog and cushion cap, the prefabricated section include concave-convex assembly prefabricated section, arch springing prefabricated section and vault prefabricated section, and the bumps
Shape assembly prefabricated section includes inside prefabricated section and two layers of outside prefabricated section, the inside prefabricated section be partial outer face region to
The arc block structure of sunken inside, the outside prefabricated section are the arc block structure that portion inner surface region is protruded inwardly,
And the prefabricated section is strong concrete prefabricated board.
2. the arch bridge reinforcing structure according to claim 1 based on prefabrication and assembly construction principle, which is characterized in that pacify on the arch springing
The arch springing prefabricated section and joints cement mortar are filled, the arch springing prefabricated section and arch springing and cushion cap are integrally formed.
3. the arch bridge reinforcing structure according to claim 1 based on prefabrication and assembly construction principle, which is characterized in that the arch springing is prefabricated
Block splicing inside prefabricated section, and it is bonded in arch rib side with cement mortar, on the basis of the inside prefabricated section, by interior
The concavo-convex characteristic of side prefabricated section and outside prefabricated section installation outside prefabricated section, it is prefabricated that the length of the outside prefabricated section is less than inside
The length of block, so that the seam of interior prefabricated section and outside prefabricated section be made to be staggered to form combination prefabricated section.
4. the arch bridge reinforcing structure according to claim 1 based on prefabrication and assembly construction principle, which is characterized in that the arch of the arch bridge
Rib line direction be equipped with combination prefabricated section, it is described combination prefabricated section it is adjacent two-by-two between successively splice according to concavo-convex characteristic, and from
Two sides arch springing position is distributed along span centre positional symmetry.
5. the arch bridge reinforcing structure according to claim 1 based on prefabrication and assembly construction principle, which is characterized in that away from two sides arch springing
Pushing tow system is provided at 1/3 across footpath, the pushing tow system is made of convex prefabricated section, pushing tow component, spill prefabricated section,
Described in pushing tow component be made of thrustor and scalable and fixed steel pile casting.
6. the arch bridge reinforcing structure according to claim 1 based on prefabrication and assembly construction principle, which is characterized in that including a connection dress
It sets, the attachment device is made of connecting key and peg, and the connecting key is pasted onto concave-convex prefabricated section adjacent two-by-two
Seam crossing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134883.1U CN209636655U (en) | 2018-12-19 | 2018-12-19 | Arch bridge reinforced structure based on prefabricated assembly principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134883.1U CN209636655U (en) | 2018-12-19 | 2018-12-19 | Arch bridge reinforced structure based on prefabricated assembly principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636655U true CN209636655U (en) | 2019-11-15 |
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ID=68473997
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822134883.1U Expired - Fee Related CN209636655U (en) | 2018-12-19 | 2018-12-19 | Arch bridge reinforced structure based on prefabricated assembly principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209636655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487710A (en) * | 2018-12-19 | 2019-03-19 | 长沙理工大学 | Arch bridge reinforcing method based on prefabricated assembly principle |
-
2018
- 2018-12-19 CN CN201822134883.1U patent/CN209636655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487710A (en) * | 2018-12-19 | 2019-03-19 | 长沙理工大学 | Arch bridge reinforcing method based on prefabricated assembly principle |
| CN109487710B (en) * | 2018-12-19 | 2024-02-27 | 长沙理工大学 | Arch bridge reinforcement method based on prefabricated assembly principle |
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| 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: 20191115 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |