CN206721646U - A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans - Google Patents
A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans Download PDFInfo
- Publication number
- CN206721646U CN206721646U CN201720363342.9U CN201720363342U CN206721646U CN 206721646 U CN206721646 U CN 206721646U CN 201720363342 U CN201720363342 U CN 201720363342U CN 206721646 U CN206721646 U CN 206721646U
- Authority
- CN
- China
- Prior art keywords
- king
- tower
- cable
- girder
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans, including multiple king-towers, the top of each king-tower is provided with suspension cable；Main span suspension cable one end is anchored on king-tower, and the other end is anchored on girder；Anchor span suspension cable one end is anchored on king-tower, and the other end is anchored on distributing earth anchor；Girder is setting main bridge vertical support and longitudinal elasticity damping limiter close to king-tower position, and main bridge vertical support also can be located in main span or turn into continuous structure through king-tower.The anchor span suspension cable that described side king-tower is anchored in by side main span suspension cable and opposite side on earth anchor keeps balance；In multispan system, middle king-tower keeps balance by both sides main span suspension cable.The horizontal component of described adjacent king-tower suspension cable keeps population equilibrium in girder, suspension cable only produces axial tension in girder, do not produce axial compressive force, improve natural frequency of structures, so as to solve the problems, such as similar system cable-stayed bridge middle girder Compression Stability, super-long span bridges structure is applicable to.
Description
Technical field
It the utility model is related to one kind and be used for civil engineering bridge technology field, be more particularly to one kind and be applied to super-span
The cable-stayed type suspension bridge structure in footpath, realize and a kind of possess bigger span ability and the more preferably new suspension bridge structure shape of economy
Formula.
Background technology
Bridge is in highway, railway, urban road and road and water conservancy construction, in order to cross over various obstacle (such as rivers
Stream or other structures) works.Divided by structure feature, bridge can be divided into beam, arch, rigid frame, hang and combined system.
Suspension bridge is also referred to as suspension bridge, is the bridge of cable to bear pulling force or chain cable as main supporting member, by suspension cable, Sarasota, anchor
The part such as heavy stone used as an anchor, suspension rod, bridge deck forms.The main supporting member of suspension bridge is suspension cable, and it is primarily subjected to pulling force, typically strong with tension
Spend high steel (steel wire, wirerope etc.) making.Because traditional suspension bridge can make full use of the intensity of material, and saved with materials,
From heavy and light the characteristics of, therefore span ability in various system bridges is maximum, and across footpath can reach 1000~2000 meters.
Although suspension bridge has leap to improve in across footpath, on the whole, current traditional suspension bridge has following deficiency：(1)
Rigidity is small；(2) deform larger；(3) wind resisting stability is poor；(4) downwarp of suspension cable main push-towing rope is up to more than ten rice；(5) construction costs compared with
It is high；(6) 2000 meters are current limitation span, and across footpath needs further to be improved.
Therefore develop a kind of satisfaction and possess bigger span ability, stress higher to material use ability, making structure more
Rationally, the more preferable suspension bridge structure type of economy, has great practical value.
Utility model content
The purpose of this utility model is to provide a kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans, have concurrently suspension bridge and
The advantages of cable-stayed bridge, the across footpath and load-carrying efficiency of Suspension bridge structure are improved in terms of structural system and inherent force-mechanism, is overcome
Traditional suspension bridge rigidity is small, deformation is big, stability is poor, span ability by limiting to the problem of.
To achieve these goals, the utility model provides a kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans,
Including a horizontally disposed main bridge girder, vertical king-tower is provided with the end of described main bridge girder, described king-tower leads to
Suspension cable is crossed to be anchored；Main bridge vertical support is provided with close to the position of king-tower and longitudinal elasticity damps in described main bridge girder
Limiter, girder longitudinally keep stable by geometric stiffness and longitudinal elasticity the damping limiter of stay cable force.
Further, described king-tower can be divided into side king-tower and middle king-tower according to structural system, when only two side king-towers
When, form single span structural system；When with two side king-towers and during single or multiple middle king-towers, forming multispan system.
Further, suspension cable one end of middle king-tower is anchored on king-tower, and the other end is anchored on girder；The master of side king-tower
Across suspension cable one end is anchored on king-tower, and the other end is anchored on girder, and anchor span suspension cable one end of side king-tower is anchored in king-tower
On, the other end is anchored on distributing earth anchor.
The anchor span suspension cable that described side king-tower is anchored in by side main span suspension cable and opposite side on earth anchor keeps flat
Weighing apparatus；In multispan system, middle king-tower keeps balance by both sides main span suspension cable.
Further, main bridge vertical support also can be located in main span or turn into continuous structure through king-tower.
Further, described girder is by main span oblique pull cable suspension, close to king-tower position set main bridge vertical support and
Longitudinal elasticity damp limiter, be equal to by suspension cable support simply supported beam, longitudinal direction by stay cable force geometric stiffness and
Longitudinal elasticity damping limiter keeps stable.
Further, the horizontal component of the main span suspension cable of described adjacent king-tower keeps population equilibrium in girder, tiltedly
Drag-line makes girder only produce axial tension, does not produce axial compressive force, improves natural frequency of structures, so as to solve super-span
Girder Compression Stability problem.
Further, described girder is typically using tensile strength higher steel box-girder or steel truss girder.
Further, basis and cushion cap are provided with king-tower bottom, described basis instrument is in the following engineering geology of earth's surface
In suitable ground layer, cushion cap is connected integral between basis and king-tower with the top of basis and king-tower bottom.
Further, described basis, cushion cap, king-tower, suspension cable, main bridge girder, earth anchor, main bridge vertical support and longitudinal direction
Elastic damping limiter constitutes a kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans.
Further, described side king-tower is provided with approach bridge support and main bridge vertical support, supports the access bridge of both sides respectively
Girder and main bridge girder；Middle king-tower is provided with main bridge vertical support, supports the main bridge girder of both sides respectively.
The utility model has advantages below relative to prior art：
(1) compared with same span suspension bridge, the advantages of maintaining cable-stayed bridge, there is the bigger rigidity for bearing load；
(2) compared with same span cable-stayed bridge, girder has higher vibration frequency because of tension, so as under wind effect
With more preferable flutter stability, wind resistance is stronger, and is significantly better than suspension bridge, meanwhile, girder is not subject to pressure, solves
Super-span girder Compression Stability problem；
(3) girder does not need end bay balancing axial thrust, and steel girder only can be set in main span, even main span subregion, section
Save construction costs；
(4) girder is equal to the more point elastic support simply supported beams supported by suspension cable, and beam body temperature telescopic construction is located at perpendicular
To at supporting, stress is better than multi pylon cable stayed bridge or telescopic construction that partly anchor stayed-cable bridge is set in span centre, the feelings of multitower multispan
Stroke is not accumulated under condition, thus is adapted to across broad straits, the bridge in river mouth.
(5) new cable-stayed type suspension bridge structural system, solves the problems, such as similar system cable-stayed bridge middle girder Compression Stability, favorably
Very-high performance material is used in girder, to realize that super-long span bridges provide good prospect, its theoretical span ability reaches
Conventional suspension bridge is even more than, according to a preliminary estimate up to 3000m to 5000m；
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of cable-stayed type suspension bridge structure double tower single span schematic diagram suitable for Ultra-Long Spans；
Fig. 2 is a kind of cable-stayed type suspension bridge structure multitower multispan schematic diagram suitable for Ultra-Long Spans；
Fig. 3 is side king-tower bearing position partial schematic diagram；
Fig. 4 is middle king-tower bearing position partial schematic diagram；
Fig. 5 is middle girder structural representation；
In figure：1- is basic, 2- cushion caps, 3- king-towers, 4- sides king-tower, king-tower in 5-, 6- suspension cables, 7- main span suspension cables, 8-
Anchor span suspension cable, the main bridge girders of 9-, 10- earth anchors, 11- access bridge girders, 12- approach bridge supports, the main bridge vertical supports of 13-, 14- longitudinal directions
Elastic damping limiter, 15- steel box-girders, 16- steel truss girders.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, it is small to there is (1) rigidity in the prior art；(2) deform larger；(3) wind resistance is stable
Property is poor；(4) downwarp of suspension cable main push-towing rope is up to more than ten rice；(5) construction costs is higher；(6) 2000 meters are current limitation span, across footpath
The problems such as needing further to be improved, in order to solve technical problem as above, present applicant proposes a kind of suitable for Ultra-Long Spans
Cable-stayed type suspension bridge structure.
Below in conjunction with accompanying drawing, structure of the present utility model is further described.
The utility model provides one kind relative to traditional suspension bridge and cable-stayed bridge, possesses bigger span ability, material
Usability is higher, structure stress is more reasonable, a kind of more preferable cable-stayed type suspension bridge structure suitable for Ultra-Long Spans of economy, including
One horizontally disposed main bridge girder, vertical king-tower is provided with the end of described main bridge girder, the top of each king-tower is set
There is suspension cable；Main span suspension cable one end is anchored on king-tower, and the other end is anchored on girder；Anchor span suspension cable one end is anchored in master
On tower, the other end is anchored on distributing earth anchor；Girder is setting main bridge vertical support and longitudinal elasticity damping close to king-tower position
Limiter, main bridge vertical support also can be located in main span or turn into continuous structure through king-tower.
Girder sets main bridge vertical support at close king-tower position and longitudinal elasticity damping is spacing by main span oblique pull cable suspension
Device, is equal to the simply supported beam supported by suspension cable, and longitudinal direction is spacing by geometric stiffness and the longitudinal elasticity damping of stay cable force
Device keeps stable.
The horizontal component of adjacent king-tower suspension cable keeps population equilibrium in girder, and suspension cable makes girder only produce axial drawing
Power, axial compressive force is not produced, improve natural frequency of structures, asked so as to solve similar system cable-stayed bridge middle girder Compression Stability
Topic, is applicable to super-long span bridges structure.
Specifically as shown in Fig. 1~Fig. 5, a kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans by basic 1, cushion cap 2,
King-tower 3, suspension cable 6, main bridge girder 9, earth anchor 10, main bridge vertical support 13, longitudinal elasticity damping limiter 14 form；
With reference to shown in Fig. 1, Fig. 2, king-tower 3 can be divided into side king-tower 4 and middle king-tower 5 according to structural system, when only two sides
During king-tower 4, single span structural system is formed；When with two side king-towers 4 and during single or multiple middle king-towers 5, forming multispan system.
With reference to shown in Fig. 1, Fig. 2, side king-tower 4 is anchored in the anchor span on earth anchor by side main span suspension cable 7 and opposite side
Suspension cable 8 keeps balance；In multispan system, middle king-tower 5 keeps balance by both sides main span suspension cable 7.
With reference to shown in Fig. 1, Fig. 2, king-tower bottom is provided with basis 1 and cushion cap 2, and basis 1 is with being arranged at the following engineering of earth's surface
In the suitable ground layer of matter, cushion cap 2 is connected integral between basis 1 and king-tower 3 with the top of basis 1 and the bottom of king-tower 3.
With reference to shown in Fig. 3, Fig. 4, side king-tower 4 is provided with approach bridge support 12 and main bridge vertical support 13, distributed support both sides
Access bridge girder 11 and main bridge girder 9；Middle king-tower 5 is provided with main bridge vertical support 13, the main bridge girder 9 of distributed support both sides.
With reference to shown in Fig. 5, main bridge girder 9 is typically using tensile strength higher steel box-girder 15 or steel truss girder 16.
As can be seen from the above description, the application the above embodiments realize following technique effect：
(1) compared with same span suspension bridge, the advantages of maintaining cable-stayed bridge, there is the bigger rigidity for bearing load；
(2) compared with same span cable-stayed bridge, girder has higher vibration frequency because of tension, so as under wind effect
With more preferable flutter stability, wind resistance is stronger, and is significantly better than suspension bridge；
(3) girder does not need end bay balancing axial thrust, and steel girder only can be set in main span, even main span subregion, section
Save construction costs；
(4) girder is equal to the more point elastic support simply supported beams supported by suspension cable, and beam body temperature telescopic construction is located at perpendicular
To at supporting, stress is better than multi pylon cable stayed bridge or telescopic construction that partly anchor stayed-cable bridge is set in span centre, the feelings of multitower multispan
Stroke is not accumulated under condition, thus is adapted to across broad straits, the bridge in river mouth.
(5) new cable-stayed type suspension bridge structural system, solves the problems, such as similar system cable-stayed bridge middle girder Compression Stability, favorably
Very-high performance material is used in girder, to realize that super-long span bridges provide good prospect, its theoretical span ability reaches
Conventional suspension bridge is even more than, according to a preliminary estimate up to 3000m to 5000m；
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (9)
1. a kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans, it is characterised in that including a horizontally disposed main bridge master
Beam, vertical king-tower is provided with the end of described main bridge girder, described king-tower is anchored by suspension cable；Described
Main bridge girder is provided with main bridge vertical support and longitudinal elasticity damping limiter close to the position of king-tower, and girder longitudinally relies on suspension cable
Suo Li geometric stiffness and longitudinal elasticity damping limiter keeps stable.
2. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 1, it is characterised in that described king-tower is only
When only including two side king-towers, single span structural system is formed.
3. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 1, it is characterised in that described king-tower bag
When including two side king-towers and single or multiple middle king-towers, multispan system is formed.
4. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 2 or claim 3, it is characterised in that described side
King-tower is provided with approach bridge support and main bridge vertical support, supports the access bridge girder of both sides and main bridge girder respectively.
5. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 3, it is characterised in that described middle king-tower
Main bridge vertical support is provided with, supports the main bridge girder of both sides respectively.
6. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 3, it is characterised in that the oblique pull of middle king-tower
Suo Yiduan is anchored on king-tower, and the other end is anchored on girder；Main span suspension cable one end of side king-tower is anchored on king-tower, another
End is anchored on girder, and anchor span suspension cable one end of side king-tower is anchored on king-tower, and the other end is anchored on distributing earth anchor.
7. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 2, it is characterised in that described main bridge erects
It can be also located to bearing in main span or turn into continuous structure through king-tower.
8. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 1, it is characterised in that described girder is adopted
With steel box-girder or steel truss girder.
9. it is applied to the cable-stayed type suspension bridge structure of Ultra-Long Spans as claimed in claim 1, it is characterised in that at the king-tower bottom
Portion is provided with basis and cushion cap, and for described basis instrument in the suitable ground layer of the following engineering geology of earth's surface, cushion cap is located at base
Between plinth and king-tower, it is connected with the top of basis and king-tower bottom integral.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363342.9U CN206721646U (en) | 2017-04-07 | 2017-04-07 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
| US15/945,262 US10280575B2 (en) | 2017-04-07 | 2018-04-04 | Cable-stayed suspension bridge structure suitable for super long spans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363342.9U CN206721646U (en) | 2017-04-07 | 2017-04-07 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206721646U true CN206721646U (en) | 2017-12-08 |
Family
ID=60504073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720363342.9U Active CN206721646U (en) | 2017-04-07 | 2017-04-07 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206721646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958189A (en) * | 2017-04-07 | 2017-07-18 | 中交第二公路勘察设计研究院有限公司 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
| US10280575B2 (en) | 2017-04-07 | 2019-05-07 | Cccc Second Highway Consultant Co. Ltd. | Cable-stayed suspension bridge structure suitable for super long spans |
| CN110761410A (en) * | 2019-09-19 | 2020-02-07 | 中建钢构有限公司 | Cable-assisted large span structure and construction method thereof |
-
2017
- 2017-04-07 CN CN201720363342.9U patent/CN206721646U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958189A (en) * | 2017-04-07 | 2017-07-18 | 中交第二公路勘察设计研究院有限公司 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
| US10280575B2 (en) | 2017-04-07 | 2019-05-07 | Cccc Second Highway Consultant Co. Ltd. | Cable-stayed suspension bridge structure suitable for super long spans |
| CN110761410A (en) * | 2019-09-19 | 2020-02-07 | 中建钢构有限公司 | Cable-assisted large span structure and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106958189B (en) | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans | |
| US10280575B2 (en) | Cable-stayed suspension bridge structure suitable for super long spans | |
| CN206721646U (en) | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans | |
| CN206956550U (en) | A kind of suspension bridge wind resistance rubber rope | |
| CN107587417A (en) | Hybrid combining beam three stride continuous suspension bridge | |
| CN208995896U (en) | Space truss suspension bridge | |
| Tang | Cable-stayed bridges | |
| CN107100064A (en) | A kind of butterfly cable-stayed bridge system | |
| CN103015320B (en) | Stay cable device for kilometric cable stayed bridge and mounting method thereof | |
| CN113174829B (en) | Half-through type suspension bridge structure | |
| CN208072166U (en) | Hybrid combining beam three stride continuous suspension bridge | |
| CN106884371A (en) | A kind of non-uniform beam and suspension cable combined bridge structural system | |
| CN104264578A (en) | Steel-concrete combining bridge of self-anchored suspension cable-cable-stayed cooperative system | |
| CN106968160A (en) | The short side that a kind of steel truss girder is mixed with beams of concrete is across Cable-Stayed Bridge Structure | |
| Ko et al. | Modal analysis of suspension bridge deck units in erection stage | |
| CN109763417B (en) | Cable-stayed steel truss cooperative system bridge | |
| CN108505428B (en) | Large-included-angle small-radius multi-tower curve cable-stayed bridge | |
| CN206667029U (en) | A kind of hybrid structure of arch and beam formula concrete continuous girder bridge structure | |
| CN108978436A (en) | Space truss suspension bridge | |
| CN207552905U (en) | The short side that a kind of steel truss girder is mixed with beams of concrete is across Cable-Stayed Bridge Structure | |
| CN207904738U (en) | Strap arch bridge | |
| CN210458909U (en) | Temperature self-adaptive tower beam forward-bridge constant-temperature steel pull rod restraint system | |
| CN208501466U (en) | A kind of mitre minor radius multitower Curved Stayed-cable Bridge | |
| CN207109548U (en) | A kind of bridge for rope device of being put more energy into rhombus | |
| CN205821980U (en) | A kind of suspension cable chiasma type multi pylon cable stayed bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |