CN207700025U - Three-dimensional modeling steel mesh arch bridge - Google Patents
Three-dimensional modeling steel mesh arch bridge Download PDFInfo
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- CN207700025U CN207700025U CN201820187420.9U CN201820187420U CN207700025U CN 207700025 U CN207700025 U CN 207700025U CN 201820187420 U CN201820187420 U CN 201820187420U CN 207700025 U CN207700025 U CN 207700025U
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- arch
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Abstract
The utility model is related to a kind of three-dimensional modeling steel mesh arch bridge, including steel mesh main arch, steel mesh main arch is made of the independent main arch ribs of Shi Sidao for being symmetricly set on uplink and downlink bridge direction；Sunpender is connected between steel mesh main arch and steel girder；14 independent main arch ribs connect arch springing arch box near bridge elevation, and arch springing arch box is the arch springing arch box of a torsion gradual change；End section is that section is unfolded in Y shape bifurcated in arch box, and end section uses rectangular section, steel mesh main arch that section transitions also are unfolded to rectangular section by bifurcated under arch box, and side and upper top surface are space-twisting face；The arch springing arch box at steel mesh main arch both ends connects arch springing steel casting, and arch springing steel casting is connect by three end bay diagonal braces with steel girder；Sunpender is connected between steel mesh main arch and steel girder；Arch springing steel casting is mounted on the basis of main pedestal；The lower surface arrangement of steel girder has vertical pull rod between end bay diagonal brace and abutment pier.The utility model opens the new modeling of steel mesh arch bridge, and it is in the form of a single to solve existing steel construction arch bridge structure, the big problem of windage section.
Description
Technical field
The utility model belongs to bridge technology field, more particularly to a kind of three-dimensional modeling steel mesh arch bridge.
Background technology
Currently, in bridge construction, arch bridge has unique artistic charm as most basic one of system.Arch bridge has
There are the harmonious rhythm, such as noiseless and beautiful music, and perfect chord is formed with the construction landscape on periphery.According to bridge floor in master
Encircle upper and lower position, arch bridge can be divided into Deck Arch Bridges, half-through arch bridge and lower bearing arch bridge.For half-through arch bridge, according to
The spatial attitude of arch rib can be divided into the parallel parallel arch bridge of two arch ribs, such as U.S.'s Freemont bridge；Two arch rib introversions
Cable-carried arch bridge, such as Lupu Bridge in Shanghai；The butterfly arch bridge of two arch rib flares, such as Nanning bridge.
In Wind-resistance of Bridges, the windage sectional area in single arch box section is big, if main arch is truss or steel mesh arch bridge,
Its windage sectional area has and significantly reduces, and can thus reduce the wind load of main arch.
Now, with the demand that urban landscape develops, original conventional arch bridge cannot meet the needs of social, this hair
The bright needs exactly for reality use a kind of novel arch bridge structure, and new development space is opened for Urban Bridge.
Invention content
The utility model provides a kind of three-dimensional modeling steel mesh arch bridge to solve technical problem present in known technology, opens
The new modeling for having warded off steel mesh arch bridge, windage section big problem in the form of a single to solve existing steel construction arch bridge structure.
The utility model is adopted the technical scheme that solve technical problem present in known technology：
A kind of three-dimensional modeling steel mesh arch bridge, including steel mesh main arch, arch springing arch box, arch springing steel-casting, end bay diagonal brace, steel master
Beam, sunpender, abutment pier bearing, main pedestal basis, abutment pier infrastructure；It is characterized in that：The steel mesh main arch is by being symmetrical arranged
The independent main arch ribs of Shi Sidao in uplink and downlink bridge direction are constituted, by contacting component composition between arch between adjacent main arch rib；
Sunpender is connected between steel mesh main arch and steel girder；14 independent main arch ribs connect arch springing arch box near bridge elevation, arch
Foot arch case is the arch springing arch box of a torsion gradual change, and it is that curve is gradient to lower end straight line that the side of arch springing arch box, which is by upper end,
The pinch plane formed in the process；End section is that section is unfolded in Y shape bifurcated in arch box, and end section uses rectangular section, steel mesh under arch box
Also section transitions are unfolded to rectangular section by bifurcated in main arch, and side and upper top surface are space-twisting face；
The arch springing arch box at steel mesh main arch both ends connects arch springing steel casting, and the arch springing steel casting passes through three sides respectively
It is connect with steel girder across diagonal brace；Sunpender is connected between the steel mesh main arch and steel girder；
Double hyperboloid spherical shape vibration absorption and isolation support is bolted in cross-bridges direction in the lower surface of the arch springing steel casting,
Hyperboloid spherical shape vibration absorption and isolation support is mounted on the basis of main pedestal；
The lower surface arrangement of steel girder has vertical pull rod, upper end and the steel girder of pull rod between end bay diagonal brace and abutment pier
Pre-embedded steel slab is hinged in basis.
The utility model has the advantages and positive effects of：The utility model uses the three-dimensional that above-mentioned technical proposal is built
Moulding steel mesh arch bridge, opens the new world of arch bridge art Thinker, enriches the crane span structure art of architecture.It is by pull rod that diagonal brace is vertical
Component balances, and whole arch bridge structure is consequently formed.Novel space steel mesh arch bridge is used simultaneously, passes through novel moulding and stream
The metal sense of line, fully meets aesthetic, solves the single disadvantage of structure type, realizes to arch bridge main arch ribbed
The innovation of formula.Additionally by reticulated vault ribbed formula reduce windage, mitigate bridge structure load, reduce design of substructure difficulty with
And the degree of dependence to topographic and geologic.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the portions I enlarged drawing in Fig. 1；
Fig. 3 is steel mesh main arch structural schematic diagram；
Fig. 4 is A-A sectional views in Fig. 3；
Fig. 5 is B-B sectional views in Fig. 3；
Fig. 6 is C-C sectional views in Fig. 3；
Fig. 7 is arch springing arch box structural schematic diagram；
Fig. 8 is the vertical view of Fig. 7；
Fig. 9 is K direction views in Fig. 7；
Figure 10 is F direction views in Fig. 7.
In figure：1, steel mesh main arch；1-1, main arch rib；2, arch springing arch box；3, arch springing steel-casting；4, end bay diagonal brace；5, steel master
Beam；6, sunpender；7, abutment pier bearing；8, main pedestal basis；9, abutment pier infrastructure；10, hyperboloid vibration absorption and isolation support；11, it draws
Bar.
Specific implementation mode
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing：
It please refers to Fig.1 to Fig.3, a kind of three-dimensional modeling steel mesh arch bridge, including steel mesh main arch 1, arch springing arch box 2, arch springing cast steel
Part 3, end bay diagonal brace 4, steel girder 5, sunpender 6, abutment pier bearing 7, main pedestal basis 8, abutment pier infrastructure 9；The steel mesh master
Arch 1 is made of the independent main arch rib 1-1 of Shi Sidao for being symmetricly set on uplink and downlink bridge direction, passes through arch between adjacent main arch rib
Between contact component composition, 14 main arch ribs line up flying bird formula section, and steel mesh main arch has the uniqueness of art；14 main arch
Rib is symmetrical at uplink, downlink, and steel mesh main arch uses three-dimensional space curve moulding, and such as Fig. 4~Fig. 6, center arch is fixed away from arch springing
Site is about 40 meters high, 220 meters of span, ratio of rise to span 1/5.5.14 independent main arch ribs connect arch springing near bridge elevation
Arch box 2, arch springing arch box are the arch springing arch boxes of a torsion gradual change, and it is that curve is gradient to down that the side of arch springing arch box, which is by upper end,
The pinch plane formed during the straight line of end；End section is that section is unfolded in Y shape bifurcated in arch box, and end section is cut using rectangle under arch box
Also section transitions are unfolded to rectangular section by bifurcated in face, steel mesh main arch 1, and side and upper top surface are space-twisting face；As Fig. 7~
Figure 10；The arch springing arch box 2 at 1 both ends of steel mesh main arch connects arch springing steel casting 3, which is space curved surface moulding
Structure, the arch springing steel casting are connect by three end bay diagonal braces 4 with steel girder 5 respectively；End bay diagonal brace is using the abnormity changed
Box section, up big and down small, upper end and steel girder rigid solder, middle end bay diagonal brace, the end bay diagonal brace lower end on both sides and arch springing are cast
Steel member rigid solder.
Connecting suspender between the steel mesh main arch 1 and steel girder 5；Sunpender along bridge to spacing 8m, with the big cross of steel girder sunpender
Beam position corresponds.Bar is all made of the epoxy spray steel strand that whole beam squeezes, and outsourcing PE is protected, and both ends are all made of whole beam
Squeeze fork ear formula anchoring.Fixing end is arranged in steel arch position, and stretching end is located on girder.Sunpender and auxiliary products also need to take can
It shakes by the pre- weather proof of measure.
Double hyperboloid spherical shape vibration absorption and isolation support is bolted in cross-bridges direction in the lower surface of the arch springing steel casting 3
10, hyperboloid spherical shape vibration absorption and isolation support 10 is mounted on main pedestal basis 9；
To reduce the moment of flexure of diagonal brace top position girder, the lower surface arrangement of steel girder 5 has between end bay diagonal brace 4 and abutment pier
Vertical pull rod 11, reinforcing pull rod use box section, and the upper end of pull rod and pre-embedded steel slab in steel girder basis are hinged, for bearing
Axial tension and pressure.PBL shear connector embedded column bases construction is arranged in corresponding cushion cap foundation, is transmitted with profit for pull rod position
Larger pulling force and shearing.
The three-dimensional modeling steel mesh arch bridge built using above-mentioned technical proposal, opens the new world of arch bridge art Thinker, rich
The rich crane span structure art of architecture.In addition, Steel Space host arch reduces the front face area of wind load, direction across bridge wind load is reduced.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is every according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (3)
1. a kind of three-dimensional modeling steel mesh arch bridge, including steel mesh main arch, arch springing arch box, arch springing steel-casting, end bay diagonal brace, steel girder,
Sunpender, abutment pier bearing, main pedestal basis, abutment pier infrastructure；It is characterized in that：The steel mesh main arch by being symmetricly set on
The independent main arch ribs of Shi Sidao in downward bridge direction are constituted, by contacting component composition between arch between adjacent main arch rib；Steel mesh
Sunpender is connected between main arch and steel girder；14 independent main arch ribs connect arch springing arch box, arch springing arch near bridge elevation
Case is the arch springing arch box of a torsion gradual change, and it is process that curve is gradient to lower end straight line that the side of arch springing arch box, which is by upper end,
The pinch plane of middle formation；End section is that section is unfolded in Y shape bifurcated in arch box, and end section uses rectangular section, steel mesh main arch under arch box
Also section transitions are unfolded to rectangular section by bifurcated, side and upper top surface are space-twisting face；
The arch springing arch box at steel mesh main arch both ends connects arch springing steel casting, and the arch springing steel casting is oblique by three end bays respectively
Support is connect with steel girder；Sunpender is connected between the steel mesh main arch and steel girder；
Double hyperboloid spherical shape vibration absorption and isolation support, hyperbolic is bolted in cross-bridges direction in the lower surface of the arch springing steel casting
Face spherical shape vibration absorption and isolation support is mounted on the basis of main pedestal；
The lower surface arrangement of steel girder has vertical pull rod, upper end and the steel girder basis of pull rod between end bay diagonal brace and abutment pier
Interior pre-embedded steel slab is hinged.
2. three-dimensional modeling steel mesh arch bridge according to claim 1, it is characterised in that：The pull rod uses box section knot
Structure.
3. three-dimensional modeling steel mesh arch bridge according to claim 1, it is characterised in that：The end bay diagonal brace uses the sky of gradual change
Between irregular box section structure, present it is big under small structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820187420.9U CN207700025U (en) | 2018-02-02 | 2018-02-02 | Three-dimensional modeling steel mesh arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820187420.9U CN207700025U (en) | 2018-02-02 | 2018-02-02 | Three-dimensional modeling steel mesh arch bridge |
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| CN207700025U true CN207700025U (en) | 2018-08-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853353A (en) * | 2019-03-20 | 2019-06-07 | 广州市市政工程设计研究总院有限公司 | A kind of spacial special-shaped arch bridge and its construction method |
| CN111041968A (en) * | 2019-12-31 | 2020-04-21 | 深圳市桥博设计研究院有限公司 | Large-span double-arch-shaft combined arch bridge and design and construction method thereof |
| CN112709123A (en) * | 2020-12-24 | 2021-04-27 | 中铁重工有限公司 | Arch foot and arch rib transition section of divergent steel arch and manufacturing method thereof |
-
2018
- 2018-02-02 CN CN201820187420.9U patent/CN207700025U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853353A (en) * | 2019-03-20 | 2019-06-07 | 广州市市政工程设计研究总院有限公司 | A kind of spacial special-shaped arch bridge and its construction method |
| CN111041968A (en) * | 2019-12-31 | 2020-04-21 | 深圳市桥博设计研究院有限公司 | Large-span double-arch-shaft combined arch bridge and design and construction method thereof |
| CN112709123A (en) * | 2020-12-24 | 2021-04-27 | 中铁重工有限公司 | Arch foot and arch rib transition section of divergent steel arch and manufacturing method thereof |
| CN112709123B (en) * | 2020-12-24 | 2022-01-18 | 中铁重工有限公司 | Arch foot and arch rib transition section of divergent steel arch and manufacturing method thereof |
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