CN209456872U - Have both the cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure - Google Patents
Have both the cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure Download PDFInfo
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- CN209456872U CN209456872U CN201821564696.0U CN201821564696U CN209456872U CN 209456872 U CN209456872 U CN 209456872U CN 201821564696 U CN201821564696 U CN 201821564696U CN 209456872 U CN209456872 U CN 209456872U
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Abstract
The utility model discloses the cable-stayed bridges for having both aesthetics of architecture moulding and the safe reasonable stress of structure, including girder, suspension cable and bridge tower, the bridge tower is hyperbolic transmission tower, the bridge tower is made of the curved king-post of two symmetrically arranged back-flexings, the radius of curvature of king-post is 100~1000m, two king-posts constitute hyperbola king-post, the top of two king-posts is mutually by being tightly connected, the lower part of two king-posts is connected by lower beam, and equal support is on the basis of Sarasota, so that bridge tower horizontally constitutes the rigid stress system an of triangle, to improve the torsional rigidity of girder and the lateral wind loading rating of bridge tower, reach the unification of cable-stayed bridge mechanical structure and the aesthetics of architecture.The cable-stayed bridge uses hyperbola king-post, and modern design, landscape effect is prominent, and it is more convenient to construct, and cost is suitable for.
Description
Technical field
The utility model relates to bridge structure, in particular to have both the oblique of aesthetics of architecture moulding and the safe reasonable stress of structure
Bridge is drawn, which has graceful landscape effect and good mechanical structure.
Background technique
It is also the landscape of landmark-type at one while cable-stayed bridge is as structure, with reaching its maturity for bridge technology, people
Increasingly higher demands are proposed to the moulding and landscape effect of bridge.While cable-stayed bridge brings the visual enjoyment of beauty
Also more challenges are brought to structure.
Currently, the cable-stayed bridge moulding of modern design uniqueness emerges one after another, from overpass to the several hundred meters of oblique pulls across rivers
Bridge is all applied, although however wherein some cable-stayed bridge is novel, simultaneously unsightly or even structure is very unreasonable, lose
The meaning of innovation.But also bring project cost steeply rise and the security risk of structure.
So also to take into account reasonable stress when pursuing beautiful bridge type and project cost should be minimized, to reach
Reasonable stress, cost be suitable, beautiful design purpose.
Utility model content
The purpose of the utility model is to provide the cable-stayed bridges for having both aesthetics of architecture moulding and the safe reasonable stress of structure, this is tiltedly
Draw bridge that hyperbola king-post, modern design, landscape effect protrusion, and bridge tower is used laterally to become a stable triangle rigid
Property frame body, can effectively balance architectural image and structure safety both relationship.
The utility model above-mentioned purpose is realized by following technical solution: have both aesthetics of architecture moulding and structure safety by
The reasonable cable-stayed bridge of power, the cable-stayed bridge include girder, suspension cable and bridge tower, and girder is using steel box-girder or combination beam or concrete
Beam, suspension cable use parallel steel wire or steel strand stay cable, it is characterised in that: the bridge tower be hyperbolic transmission tower, the bridge tower by
The curved king-post of two symmetrically arranged back-flexings is constituted, and two king-posts constitute hyperbola king-posts, two king-posts
Mutually by being tightly connected, the lower part of two king-posts is connected by lower beam on top, and thus support makes on the basis of Sarasota
The rigid rack body that bridge tower horizontally constitutes a triangle is obtained, to improve the torsional rigidity of girder and the lateral wind resistance energy of bridge tower
Power reaches the unification of cable-stayed bridge mechanical structure and the aesthetics of architecture.
The cable-stayed bridge modern design of the utility model, landscape effect is prominent, like the upper blue sky of a pair of of egression, lifelike image；
Two curved shape bridge towers are closely packed together simultaneously, and making bridge tower laterally becomes a stable spandrel frame, substantially increases master
The torsional rigidity of beam and the lateral wind loading rating of king-tower, structure is reasonable for bridge tower.
In the utility model, the radius of curvature of the egression curved shape king-post is 100~1000m, preferably 241m, described
Two king-post parts interconnected are the armored concrete overall structure of three Room of single case, common stress.
The bridge tower and girder use half floating system as a further improvement of the utility model, can save the number of zero-suppressing rope
Setting and improve stress of the bridge tower in earthquake, the self weight of girder and carload thereon pass through suspension cable Transmit evenly
Onto egression curved shape king-post.
In the utility model, the suspension cable of the bridge tower is arranged using the face space Shuan Suo, and the section of king-post is polygon.
In the utility model, the rise-span ratio of the bridge tower is 1:2.5~1:5, and rise-span ratio is preferably 1:3.65, constitutes spanning
A kind of golden ratio between bridge tower, it is whole to coordinate very much.
In the utility model, the king-post is the reinforced concrete structure of single box single chamber.In the utility model, girder is used
Steel box-girder or combination beam or beams of concrete；Suspension cable uses parallel steel wire or steel strand stay cable.
As a kind of embodiment of the utility model, the suspension cable is arranged using the double rope faces of sector space, on girder
Rope away from for 5~20m, preferably 10.5m, rope on bridge tower is away from for 1.5~5m, preferably 2.3m.
In the utility model, the king-post of the bridge tower uses the single orthodrome curve of cross-section, constructs more convenient, and cost is suitable
Preferably, the radius of curvature of orthodrome curve is 241m, in mating edge across the double rope face cloth ropes of sector space, like a pair to be ready fluttering its wings up and down
The egression to soar, landscape effect is prominent, lifelike image.
Compared with prior art, the utility model has following remarkable result:
(1) compared to conventional cable-stayed bridge, the king-post of the utility model cable-stayed bridge is hyperbola king-post, using grace
While sweeping curve king-post carries out line of force transmitting, making bridge tower laterally becomes a stable spandrel frame, greatly improves
The torsional rigidity of girder and the lateral wind loading rating of king-tower；Comparative example, the scale of construction, innervation, configuration etc. have carried out deep
Landscape design has reached the harmony of cable-stayed bridge mechanical structure and the aesthetics of architecture.
(2) the single orthodrome curve of cross-section can be used in the hyperbola king-post of the utility model, therefore it is more convenient to construct,
Cost is suitable.
(3) the bridge tower modern design of the cable-stayed bridge of the utility model, landscape effect is prominent, and hyperbola king-post partners
The image of egression: tower top is configured as the head of egression, and king-post is configured as the trunk of egression, across Spatial Cable face configuration in mating edge
Wing is about to the egression to flutter and soar high like a pair of, and landscape effect is prominent, lifelike image.
(4) the utility model there is hyp graceful moulding and graceful landscape effect to have again more better than traditional king-post
Stress advantage has good landscape effect and economy.
Detailed description of the invention
The utility model is described in further details with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure diagram of the utility model cable-stayed bridge；
Fig. 2 is the cross-sectional view of the girder of the utility model cable-stayed bridge；
Fig. 3 is the structural schematic diagram of bridge tower in the utility model cable-stayed bridge；
Fig. 4 is the schematic cross-section of king-post in bridge tower in the utility model cable-stayed bridge；
Fig. 5 is the schematic cross-section of king-post connecting portion in middle bridge tower in the utility model cable-stayed bridge.
Description of symbols
1, girder；2, suspension cable；3, king-post；
4, lower beam；5, Sarasota basis.
Specific embodiment
The cable-stayed bridge for having both aesthetics of architecture moulding and the safe reasonable stress of structure as shown in Figures 1 to 5, including girder 1,
Suspension cable 2 and bridge tower.Girder 1 uses steel box-girder, can also use combination beam or beams of concrete, and suspension cable 2 uses steel strand inclined
Drag-line can also use parallel steel wire.The bridge tower is hyperbolic transmission tower, and bridge tower is made of two egression curved shape king-posts 3, two towers
Column constitute hyperbola king-post, egression curved shape king-post 3 be pentagonal section single box single chamber reinforced concrete structure, two
The top of king-post 3 is mutually by being tightly connected, and the part for mutually drawing close connection is the armored concrete overall structure of three Room of single case, jointly
Stress；Suspension cable 2 is using the double rope face arrangements of sector space, and the longitudinal direction along girder 1 is angularly disposed, and one end of suspension cable 2 passes through anchor
Pulling plate or steel anchor box and girder anchor connection, the other end are connected by steel anchor box or steel anchor beam or prestressing force tooth block and bridge tower anchoring
It connects.
Egression curved shape king-post 3 uses the single orthodrome curve of cross-section, and the radius of curvature of circular curve is 241m, uses
The single orthodrome curve construction of cross-section is more convenient, and cost is suitable for that the radius of curvature can also take within the scope of 100~1000m
Value.
As shown in figure 3, the lower part of two king-posts 3 is connected by lower beam 4, and support is on Sarasota basis 5, by
This makes bridge tower horizontally constitute the rigid rack body of a triangle, substantially increases the torsional rigidity and bridge tower of girder 1
Lateral wind loading rating reaches the unification of cable-stayed bridge mechanical structure and the aesthetics of architecture.
For the standard cross-section of girder 1 as shown in Fig. 2, girder 1 is compound section steel box girder, cross section is box section, includes wind
Mouth, Standard Beam overall width 41.4m, the wide 38.9m of top plate, the wide 26.7m of bottom plate, the wide 1.25m of tuyere；Drag-line 2 is anchored using steel anchor box
On the web of side.
Bridge tower and girder 1 use half floating system, can save the setting of the number of zero-suppressing rope and improve stress of the bridge tower in earthquake,
The self weight of girder and carload thereon are delivered evenly on egression curved shape king-post by suspension cable.The rise-span ratio of bridge tower
For 1:3.65, rise-span ratio refers to the ratio between the above tower height of bridge floor and across footpath, and rise-span ratio is that 1:3.65 is constituted between spanning and bridge tower
A kind of golden ratio, it is whole to coordinate very much.The rise-span ratio of bridge tower can also within the scope of 1:2.5~1:5 value.
Suspension cable 2 is using the double rope faces arrangements of sector space, and standard rope is away from for 10.5m, egression curved shape king-post 3 on girder 1
Upper rope is away from for 2.3m.Rope on girder 1 away from can also within the scope of 5~20m value, rope on bridge tower away from can also 1.5~
Value within the scope of 5m.
Bridge tower section is detailed in Fig. 4, Fig. 5, and 3 cross section of egression curved shape king-post is rectangular section single box single chamber structure, cross-bridges
To wide 5.5m, along bridge to long 7.5m to 10.153m.
As shown in figure 3, tower top is configured as the head of egression, king-post is configured as the trunk of egression, across Spatial Cable in mating edge
The wing of face configuration is about to the egression to flutter and soar high like a pair of, and landscape effect is prominent, lifelike image.
Specific size and plate thickness when with the program can according to the construction condition of project, the variation of technical standard and adjust
Whole, this application only illustrates a kind of preferred design.
The above embodiments of the present invention is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind above content according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model above structure is made its
The modification, replacement or change of its diversified forms, shall fall within the scope of the present invention.
Claims (7)
1. have both the cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure, the cable-stayed bridge include girder, suspension cable and
Bridge tower, girder use parallel steel wire or steel strand stay cable, feature using steel box-girder or combination beam or beams of concrete, suspension cable
Be: the bridge tower is hyperbolic transmission tower, and the bridge tower is made of the curved king-post of two symmetrically arranged back-flexings, two
A king-post constitutes hyperbola king-post, and mutually by being tightly connected, the lower part of two king-posts passes through lower beam phase on the top of two king-posts
Connection, and support on the basis of Sarasota so that bridge tower horizontally constitutes the rigid rack body of a triangle, to mention
The torsional rigidity of high girder and the lateral wind loading rating of bridge tower, reach the unification of cable-stayed bridge mechanical structure and the aesthetics of architecture.
2. the cable-stayed bridge according to claim 1 for having both aesthetics of architecture moulding and the safe reasonable stress of structure, feature exist
In: the radius of curvature of the king-post is 100~1000m.
3. the cable-stayed bridge according to claim 1 for having both aesthetics of architecture moulding and the safe reasonable stress of structure, feature exist
In: the suspension cable of the bridge tower is arranged using the face space Shuan Suo.
4. the cable-stayed bridge according to claim 1 for having both aesthetics of architecture moulding and the safe reasonable stress of structure, feature exist
In: the section of the king-post is polygon.
5. the cable-stayed bridge according to claim 1 for having both aesthetics of architecture moulding and the safe reasonable stress of structure, feature exist
In: the rise-span ratio of the bridge tower is 1:2.5~1:5.
6. the cable-stayed bridge according to any one of claims 1 to 5 for having both aesthetics of architecture moulding and the safe reasonable stress of structure,
It is characterized by: rope on the girder is away from for 5~20m.
7. the cable-stayed bridge according to any one of claims 1 to 5 for having both aesthetics of architecture moulding and the safe reasonable stress of structure,
It is characterized by: rope on the bridge tower is away from for 1.5~5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564696.0U CN209456872U (en) | 2018-09-25 | 2018-09-25 | Have both the cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564696.0U CN209456872U (en) | 2018-09-25 | 2018-09-25 | Have both the cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure |
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| CN209456872U true CN209456872U (en) | 2019-10-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235230A (en) * | 2018-09-25 | 2019-01-18 | 广东省交通规划设计研究院股份有限公司 | Have both the egression pylon cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure |
| CN110904818A (en) * | 2019-11-11 | 2020-03-24 | 中铁大桥勘测设计院集团有限公司 | Combined upper cross beam for main tower of bridge |
-
2018
- 2018-09-25 CN CN201821564696.0U patent/CN209456872U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235230A (en) * | 2018-09-25 | 2019-01-18 | 广东省交通规划设计研究院股份有限公司 | Have both the egression pylon cable-stayed bridge of aesthetics of architecture moulding and the safe reasonable stress of structure |
| CN110904818A (en) * | 2019-11-11 | 2020-03-24 | 中铁大桥勘测设计院集团有限公司 | Combined upper cross beam for main tower of bridge |
| CN110904818B (en) * | 2019-11-11 | 2021-09-24 | 中铁大桥勘测设计院集团有限公司 | Combined upper cross beam for main tower of bridge |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.146, huangbian North Road, Baiyun District, Guangzhou, Guangdong 510440 Patentee after: Guangdong transportation planning and Design Institute Group Co.,Ltd. Address before: 510507 No. 22, Xinghua Road, Guangzhou, Guangdong Patentee before: GUANGDONG PROVINCE COMMUNICATIONS PLANNING & DESIGN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address |