CN220746553U - Multipurpose large-span suspension bridge - Google Patents
Multipurpose large-span suspension bridge Download PDFInfo
- Publication number
- CN220746553U CN220746553U CN202322406781.1U CN202322406781U CN220746553U CN 220746553 U CN220746553 U CN 220746553U CN 202322406781 U CN202322406781 U CN 202322406781U CN 220746553 U CN220746553 U CN 220746553U
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- bridge
- anchor
- steel pipe
- main cable
- tower
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- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of bridge construction, in particular to a multipurpose large-span suspension bridge, which comprises bridge tower foundations, bridge towers, steel pipe piles, anchor foundations, anchors and main cable anchors, wherein two bridge tower foundations are respectively arranged on two sides of the suspension bridge, and bridge towers and steel pipe piles are respectively arranged on the two bridge tower foundations; an anchor foundation is arranged on the outer side of the steel pipe pile, an anchor is arranged on the anchor foundation, and a steel pipe concrete column is arranged on the anchor; the outer side of the bridge tower is provided with a main cable anchor pile; a bridge deck system is arranged between the bridge tower and the steel pipe piles; the bridge deck system is provided with the main cable, the main cable is respectively anchored at the tops of the bridge tower and the steel pipe piles through the two cable saddles, one end of the main cable is connected with the anchor pile of the main cable, the other end of the main cable is connected with the anchor, the construction of the large-span suspension bridge under the limited condition of the construction space of the frequent flood zone can be realized, the construction and the transportation of concrete are satisfied, and the problems of the passing of bridge engineering personnel and the difficult material transportation under special geographic environments such as deep ditches and canyons are solved.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a multipurpose large-span suspension bridge.
Background
The suspension bridge has the special advantage of super-large span, is generally used for crossing large rivers, deep valleys and other areas difficult to build bridge piers, has high construction difficulty, and is a bridge with cables suspended and anchored on two sides through cable towers as main bearing members of an upper structure. The cable geometry is determined by the equilibrium conditions of the forces, typically approaching a parabola. A plurality of hanging rods hang from the cable, so as to hang the bridge deck, and stiffening girders are arranged between the bridge deck and the hanging rods, and a combined system is formed by the hanging rods and the cable, so that deflection deformation caused by live load is reduced. Is a main form of a large-span bridge, and is characterized by simple construction and definite stress.
However, the construction of the large-span suspension bridge under the condition of limited construction space of a frequent flood area is realized, the construction and the transportation of concrete are satisfied, and the multipurpose large-span suspension bridge is required to be developed in order to solve the problems of the passing of bridge engineering personnel and the transportation of materials in special geographic environments such as deep ditches, canyons and the like.
Disclosure of Invention
The utility model aims to solve the technical problems of realizing the construction of a large-span suspension bridge under the condition of limited construction space of a flood frequent area, meeting the construction and transportation of concrete, solving the problems of difficult passing of bridge engineering personnel and material transportation in special geographic environments such as deep ditches, canyons and the like, and providing a multipurpose large-span suspension bridge.
The utility model solves the technical problems by the following technical scheme:
the utility model provides a multipurpose large-span suspension bridge, which comprises bridge tower foundations, bridge towers, steel pipe piles, anchor foundations, anchors, main cable anchor piles, bridge deck systems, main cables and cable saddles, wherein two bridge tower foundations are respectively arranged on two sides of the suspension bridge, and bridge towers and steel pipe piles are respectively arranged on the two bridge tower foundations; an anchor foundation is arranged on the outer side of the steel pipe pile, an anchor is arranged on the anchor foundation, and a steel pipe concrete column is arranged on the anchor; the outer side of the bridge tower is provided with a main cable anchor pile; a bridge deck system is arranged between the bridge tower and the steel pipe piles; the bridge deck system is provided with a main cable, the main cable is respectively anchored at the tops of the bridge tower and the steel pipe piles through two cable saddles, one end of the main cable is connected with a main cable anchor pile, and the other end of the main cable is connected with an anchor; a plurality of connecting suspenders are arranged between the main cable and the bridge deck system, and a concrete conveying pipeline is arranged on the bridge deck system.
Preferably, the bridge tower foundation is a strip foundation, and a concrete filling pile is arranged at the bottom of the bridge tower foundation.
Preferably, the bridge deck system comprises a bottom reinforcing beam, protective railings and a steel plate, wherein the bottom of the bridge deck system is provided with the bottom reinforcing beam, two sides of the bridge deck system are respectively provided with the two protective railings, and the steel plate is arranged between the two protective railings.
Preferably, two steel pipe piles are provided, and a connecting system is arranged between the two steel pipe piles.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that: in the utility model, a bridge deck system is arranged between the bridge tower and the steel pipe pile; the bridge deck system is provided with a concrete conveying pipeline, and the steel pipe columns are connected through a connecting system to form a combined platform which is connected with the bridge deck system to serve as the concrete conveying platform. The construction of the large-span suspension bridge under the condition of limited construction space of a flood frequent area is realized, the construction and transportation of concrete are satisfied, and the problems of difficult passing of bridge engineering personnel and material transportation under special geographic environments such as deep ditches, canyons and the like are solved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the multi-purpose large-span suspension bridge of the present utility model.
Fig. 2 is a top view of the multi-purpose large span suspension bridge of the present utility model.
Fig. 3 is a schematic view of a partial structure of the multi-purpose large-span suspension bridge of the present utility model.
Reference numerals illustrate: bridge tower foundation 1, bridge tower 2, steel pipe pile 3, anchor foundation 4, anchor 5, main cable anchor pile 6, bridge deck system 7, main cable 8, cable saddle 9, connecting suspender 10, concrete conveying pipeline 11, concrete filling pile 12, bottom reinforcing beam 13, protection railing 14, steel sheet 15, connecting system 16, steel pipe concrete column 17.
Detailed Description
The utility model will now be more fully described by way of example only and with reference to the accompanying drawings, but the utility model is not thereby limited to the scope of the examples described.
A multipurpose large-span suspension bridge comprises bridge tower foundations 1, bridge towers 2, steel pipe piles 3, anchor foundations 4, anchors 5, main cable anchor piles 6, bridge deck systems 7, main cables 8 and cable saddles 9, wherein two bridge tower foundations 1 are respectively arranged on two sides of the suspension bridge, and the bridge towers 2 and the steel pipe piles 3 are respectively arranged on the two bridge tower foundations 1;
an anchorage foundation 4 is arranged on the outer side of the steel pipe pile 3, an anchorage 5 is arranged on the anchorage foundation 4, and a steel pipe concrete column 17 is arranged on the anchorage 5; an anchorage foundation 4 is arranged at the bottom of the anchorage 5, and the anchorage foundation 4 is preferably a U-shaped foundation so as to resist impact force of flood on the bridge abutment.
The anchorage foundation 4 is pre-embedded with finish rolling deformed steel bars, the top of the finish rolling deformed steel bars is provided with a steel pipe concrete column 17, and the constraint effect of the steel pipe on the concrete in the finish rolling deformed steel bars enables the concrete to be in a three-way compression state, so that the compressive strength of the concrete is improved; the concrete in the steel pipe can effectively prevent the steel pipe from local buckling, enhance the stability of the bridge foundation structure during flood and improve the flood resistance.
The outer side of the bridge tower 2 is provided with a main cable anchor pile 6; a bridge deck system 7 is arranged between the bridge tower 2 and the steel pipe pile 3; the bridge deck system 7 is provided with a concrete conveying pipeline 11, the steel pipe columns are connected through a connecting system 16 to form a combined platform which is connected with the bridge deck system 7 to serve as a concrete conveying platform, and the passing and material transportation problems of bridge engineering personnel are realized through the reserved concrete conveying pipeline 11 of the bridge deck system 7 and the bridge deck system 7.
The bridge deck system 7 is provided with a main cable 8, the main cable 8 is respectively anchored at the tops of the bridge tower 2 and the steel pipe piles 3 through two cable saddles 9, one end of the main cable 8 is connected with the main cable anchor pile 6, and the other end of the main cable 8 is connected with the anchorage 5; a plurality of connecting suspenders 10 are arranged between the main cable 8 and the bridge deck system 7.
The main cable anchor pile 6 is of a reinforced concrete structure and inclines to one side deviating from the bridge deck system 7, and the shearing force and bending moment caused by the horizontal pulling force of the inhaul cable are offset by utilizing the horizontal friction component force generated between the pile side of the inclined pile and the soil body, so that the anchoring effect and slope stability of the anchor ingot structure are ensured.
The bridge tower 2 is a combined structure with concrete poured into an external steel structure, and preferably, a cable tower strip-shaped bridge tower foundation 1 is arranged at the bottom of the bridge abutment to resist the impact force of flood on the bridge abutment, and a concrete pouring pile 12 is arranged at the bottom of the bridge tower foundation 1.
The bridge deck system 7 comprises a bottom reinforcing beam 13, protective rails 14 and a steel plate 15, wherein the bottom of the bridge deck system 7 is provided with the bottom reinforcing beam 13, two sides of the bridge deck system 7 are respectively provided with the two protective rails 14, and the steel plate 15 is arranged between the two protective rails 14. The rail is arranged on the bridge deck system 7, steel pipes are used for the vertical rods and the cross rods, paint spraying and rust prevention are performed on the steel pipes, and a steel plate 15 is arranged at the lower part of the rail. The specific guard rail 14 is adjusted according to the actual situation in the field.
Claims (4)
1. A multipurpose large span suspension bridge characterized by: the bridge comprises bridge tower foundations, bridge towers, steel pipe piles, anchor foundations, anchors, main cable anchors, bridge deck systems, main cables and cable saddles, wherein two bridge tower foundations are respectively arranged on two sides of a suspension bridge, and the bridge towers and the steel pipe piles are respectively arranged on the two bridge tower foundations; an anchor foundation is arranged on the outer side of the steel pipe pile, an anchor is arranged on the anchor foundation, and a steel pipe concrete column is arranged on the anchor; the outer side of the bridge tower is provided with a main cable anchor pile; a bridge deck system is arranged between the bridge tower and the steel pipe piles; the bridge deck system is provided with a main cable, the main cable is respectively anchored at the tops of the bridge tower and the steel pipe piles through two cable saddles, one end of the main cable is connected with a main cable anchor pile, and the other end of the main cable is connected with an anchor; a plurality of connecting suspenders are arranged between the main cable and the bridge deck system, and a concrete conveying pipeline is arranged on the bridge deck system.
2. A multi-purpose large span suspension bridge as defined in claim 1 wherein: the bridge tower foundation is a strip foundation, and a concrete filling pile is arranged at the bottom of the bridge tower foundation.
3. A multi-purpose large span suspension bridge as defined in claim 1 wherein: the bridge deck system comprises a bottom reinforcing beam, protective rails and a steel plate, wherein the bottom of the bridge deck system is provided with the bottom reinforcing beam, two sides of the bridge deck system are respectively provided with the two protective rails, and the steel plate is arranged between the two protective rails.
4. A multi-purpose large span suspension bridge as defined in claim 1 wherein: the steel pipe piles are two, and a connecting system is arranged between the two steel pipe piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322406781.1U CN220746553U (en) | 2023-09-06 | 2023-09-06 | Multipurpose large-span suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322406781.1U CN220746553U (en) | 2023-09-06 | 2023-09-06 | Multipurpose large-span suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220746553U true CN220746553U (en) | 2024-04-09 |
Family
ID=90562721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322406781.1U Active CN220746553U (en) | 2023-09-06 | 2023-09-06 | Multipurpose large-span suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220746553U (en) |
-
2023
- 2023-09-06 CN CN202322406781.1U patent/CN220746553U/en active Active
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