CN110184890A - A kind of bridge span structure - Google Patents
A kind of bridge span structure Download PDFInfo
- Publication number
- CN110184890A CN110184890A CN201910580077.3A CN201910580077A CN110184890A CN 110184890 A CN110184890 A CN 110184890A CN 201910580077 A CN201910580077 A CN 201910580077A CN 110184890 A CN110184890 A CN 110184890A
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- CN
- China
- Prior art keywords
- bridge
- span structure
- truss
- suspension
- sunpender
- 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 claims abstract description 53
- 238000005452 bending Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of bridge span structures, including truss-type bridges portion interconnected (1) and suspension bridge portion.Compared with prior art, the present invention cannot be complete complete to positive situation suitable for three end trend of road；Light structure saves material；It is unobscured on bridge；Space under bridge is spacious, is conducive to open the navigation or air flight.
Description
Technical field
The present invention relates to spanning fields, more particularly, to a kind of bridge span structure.
Background technique
Traditionally, there are four types of bridges: beam bridge, arch bridge, suspension bridge, rigid frame bridge.Modern times are with Building wood
The development of material and designing technique, has derived some novel bridge systems on the basis of four bridge beam types.As cable-stayed bridge,
Suspended ribbon bridge etc..
By the bridge span structure quantity point of bridge, can be divided into single span, two across, three across, multispan etc..Bridge spanning quantity is got over
Few, the bridge pier of the lower part needed is fewer, passes through since bridge pier will affect navigation channel, and its construction is general under water, and construction is expensive,
Operation is difficult and risk is larger.Under conditions of economic technology conditions permit, it is generally desirable to use span as big as possible and use up
The spanning quantity that may lack, which is realized, crosses over.
But in practice, often also encounter and need the case where three or more plot are connect by a bridging, at this point, passing
The bridge span structure system of system often only considers two o'clock connection, it is difficult to meet such demand, it is necessary to according to the place of reality
Condition and bridge construction function consider new structural system.It, can be using annular, star etc. in the case of equilateral for ideal three sides
Horizontal layout is three point attachment solution by the traditional bridge system continuation for connecting two o'clock.However, also tending to encounter in reality
Wherein two sides are relatively close apart in three banks, and third bank and other two sides situation apart from each other.At this point, single type of bridge is difficult
To give full play to advantage, adaptation to local conditions is comprehensive by way of combination to be solved to be more reasonable scheme.
Therefore, it is necessary to design bridge span structure, which is applied in bridge, the excellent of various bridge types is given full play to
Gesture obtains economically feasible, the beautiful Bridge Design being applicable in fact.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of bridge span structures.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of bridge span structure, including truss-type bridges portion interconnected and suspension bridge portion.
The truss-type bridges portion include wind up, truss-type bridges bridge floor, lower edge and web member, the web member, which is separately connected, to wind up under
String, the truss-type bridges bridge floor connection is winded up or lower edge.
The truss-type bridges bridge floor is bent plane.
Described suspension bridge portion one end is connect with the bending place of bent plane, and the other end is connect with ground abutment.
The suspension bridge portion includes suspension bridge bridge floor interconnected and rope bar assembly.
The rope bar assembly includes mast, dorsal funciculus, main push-towing rope and sunpender, the main push-towing rope respectively with dorsal funciculus, mast and sunpender
Connection, the sunpender are connect with suspension bridge bridge floor.
The sunpender is connect with suspension bridge bridge floor unilateral side.
The angle of the sunpender and suspension bridge bridge floor is 40 °~70 °.
Described main push-towing rope one end is connect with the top of mast and dorsal funciculus, and the other end is connect with truss-type bridges portion.
The mast and dorsal funciculus bottom end is connect with ground abutment.
Compared with prior art, the invention has the following advantages that
(1) structure being connected using suspension bridge portion with truss-type bridges portion, truss-type bridges portion objectively give suspension bridge portion one end to provide
Elastic boundary.
(2) truss-type bridges bridge floor is bent plane, and suspension bridge portion one end connect with the bending place of bent plane, can apply
Yu Sanduan trend of road cannot be complete complete to positive situation.
(3) light structure reduces the self weight of pontic, saves material.
(4) unobscured on bridge: for suspension bridge portion, sunpender is only connected in the side close to mast with suspension bridge bridge floor
It connects, so the visual field is blocked without works in the other side, can there is openr landscape and the visual field.
(5) space under bridge is spacious: for suspension bridge portion, mainly by mast and dorsal funciculus load, only the other end have pillar with
Ground abutment is connected, and space under bridge is spacious, is conducive to open the navigation or air flight.
(6) angle of sunpender and suspension bridge bridge floor is 40 °~70 °, has good stability.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is overlooking structure diagram of the invention；
Fig. 3 is schematic view of the front view of the invention；
Fig. 4 is side structure schematic view of the invention；
Fig. 5 is decomposition texture schematic diagram of the invention；
Fig. 6 is the use state deformation pattern of the embodiment of the present invention；
Appended drawing reference:
1 is truss-type bridges portion；2 be suspension bridge bridge floor；3 be sunpender；4 be main push-towing rope；5 be mast；6 be dorsal funciculus.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
A kind of novel three troubles bridge span structure, the bridge span structure can be applied to three banks of connection, and span is in equal bridge, work
For a part of bridge structure.
Such as Fig. 1-Fig. 5, bridge span structure is made of truss-type bridges portion 1 and suspension bridge portion.Truss-type bridges portion 1 include wind up, truss-type bridges
Bridge floor, lower edge and web member, web member, which is separately connected, to wind up and lower edge, and the connection of truss-type bridges bridge floor is winded up or lower edge, truss-type bridges bridge floor are
Bent plane.Suspension bridge portion is made of suspension bridge bridge floor 2 and rope bar assembly.2 part of suspension bridge bridge floor includes spine, Cantilever Beams
With edge sealing beam.Suspension bridge bridge floor 2 is straight planar；The overhanging of 2 side of suspension bridge bridge floor；2 one end truss frame for connecting of suspension bridge bridge floor
The bending place of bridge bridge floor, and 2 one end of suspension bridge bridge floor and the bending place of truss-type bridges bridge floor are rigidly connected, the other end is by ground abutment
Support.Rope bar assembly includes sunpender 3, main push-towing rope 4, mast 5 and dorsal funciculus 6.The cable-stayed system that sunpender 3 and main push-towing rope 4 form holds suspension cable
Bridge floor does not overhang side, and load reaches main push-towing rope 4 by sunpender 3, then reaches mast 5, sets twice dorsal funciculus 6 behind and balances the drawing of main push-towing rope 4
Power.
Sunpender 3 is connect with 2 side of suspension bridge bridge floor, and is 40 °~70 ° with the angle of suspension bridge bridge floor 2.
4 one end of main push-towing rope is connected in mast 5, and the other end is connected in winding up for truss-type bridges portion 1.5 top of mast and dorsal funciculus 6 and main push-towing rope
4 are connected, and bottom end is directly connected in ground abutment.
Two 6 tops of dorsal funciculus are connected with 5 top of mast, and bottom end is directly connected in ground abutment.
Bridge span structure maximum span part uses suspension bridge.
By taking certain three trouble landscaping walking-bridge as an example:
Certain three trouble landscaping walking-bridge, bridging over overall length is 135m, and main span 121m, main body is lightweight construction system, three trouble Y shapes
Without pillar layout, using unilateral asymmetric suspension cable and the organization plan of the rigid flexible system of girder system.
Spanning includes truss-type bridges portion 1 and suspension bridge portion, wherein and suspension bridge portion one end is connect with truss-type bridges bridge floor bending place,
The other end is placed in the support of ground abutment, and suspension bridge bridge floor 2 is selected as variable cross-section outrigger；Suspension bridge portion further includes sunpender 3, main
The truss-type bridges plane of cable 4, mast 5 and dorsal funciculus 6, truss-type bridges portion 1 is fold-line-shaped plane, and bending place is connected with suspension bridge portion, shape
The angle that side and suspension bridge portion at the bending of truss-type bridges bridge floor are 133 °, the angle that the other side is 103 °；Sunpender 3 and suspension bridge
2 tilted direction of bridge floor is connected, and exists only in 5 direction side of mast, so that making sunpender 3 not influences another side view of suspension bridge bridge floor 2
Open country, load reaches main push-towing rope 4 by sunpender 3, then reaches mast 5, balances main push-towing rope 4 and mast 5 by dorsal funciculus 6.Mast 5 and dorsal funciculus
6 lower ends are connect with ground abutment, and upper end is connect with main push-towing rope 4.
For this bridge span structure in the case where meeting functional requirement, structural behaviour is good.
Main push-towing rope 4 using high vanadium coating rope, locked coil wire rope is contour hales rope material.
Fig. 6 is that correlation displacement analyzes result.Analysis shows structure maximum displacement appears in suspension bridge span centre part, San Chaqiao
Good globality is presented in deformation, and each index of structure is able to satisfy the standard requirements that design safety uses, economically feasible.
Compared with prior art, the beneficial effects of the present invention are embodied in following several respects:
1. the bridge floor cabling of three trouble shapes is adapted to, it cannot be complete complete to positive situation suitable for three end trend of road.
2. the structure being connected using suspension bridge portion with truss-type bridges portion, the boundary position in junction, truss-type bridges portion is objectively
Elastic boundary is provided to suspension bridge portion one end；
3. light structure, compared to general structure bridge across since the structure division of spanning maximum span uses suspension bridge
Form, main advancing side can be such that section minimizes without destabilization problems, using cable-stayed system, and part in compression is steel
Beam, stability are easier to guarantee.Therefore integral material utilization efficiency is high, compared to the bridge type of traditional unitary system, greatly reduces
Material is saved in the self weight of pontic.
4. unobscured on bridge, for suspension bridge portion, sunpender is only connected in the side close to mast with bridge floor, so separately
The visual field is blocked without works in side, compared to traditional suspension bridge, can have openr landscape and the visual field.
5. space under bridge is spacious, for suspension bridge portion, mainly by mast and dorsal funciculus load, in addition suspension bridge one end directly connects
It connects in truss-type bridges portion, is only connected in the other end with ground abutment, so space under bridge is spacious, is conducive to open the navigation or air flight.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (9)
1. a kind of bridge span structure, which is characterized in that including truss-type bridges portion (1) interconnected and suspension bridge portion.
2. a kind of bridge span structure according to claim 1, which is characterized in that the truss-type bridges portion (1) include wind up, purlin
Bridge formation bridge floor, lower edge and web member, the web member, which is separately connected, to wind up and lower edge, and the truss-type bridges bridge floor connection is winded up or lower edge.
3. a kind of bridge span structure according to claim 2, which is characterized in that the truss-type bridges bridge floor is flat for bent
Face.
4. a kind of bridge span structure according to claim 3, which is characterized in that described suspension bridge portion one end and bent is flat
The bending place in face connects, and the other end is connect with ground abutment.
5. a kind of bridge span structure according to claim 1, which is characterized in that the suspension bridge portion includes interconnected
Suspension bridge bridge floor (2) and rope bar assembly.
6. a kind of bridge span structure according to claim 5, which is characterized in that the rope bar assembly includes mast (5), back
Rope (6), main push-towing rope (4) and sunpender (3), the main push-towing rope (4) connect with dorsal funciculus (6), mast (5) and sunpender (3) respectively, the sunpender
(3) connect with suspension bridge bridge floor (2), the main push-towing rope (4) one end is connect with the top of mast (5) and dorsal funciculus (6), the other end with
Truss-type bridges portion (1) connection.
7. a kind of bridge span structure according to claim 6, which is characterized in that the sunpender (3) and suspension bridge bridge floor (2)
Unilateral side connection.
8. a kind of bridge span structure according to claim 6, which is characterized in that the sunpender (3) and suspension bridge bridge floor (2)
Angle be 40 °~70 °.
9. a kind of bridge span structure according to claim 6, which is characterized in that the mast (5) and dorsal funciculus (6) bottom end with
The connection of ground abutment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580077.3A CN110184890B (en) | 2019-06-28 | 2019-06-28 | Bridge span structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580077.3A CN110184890B (en) | 2019-06-28 | 2019-06-28 | Bridge span structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110184890A true CN110184890A (en) | 2019-08-30 |
| CN110184890B CN110184890B (en) | 2024-03-19 |
Family
ID=67724333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910580077.3A Active CN110184890B (en) | 2019-06-28 | 2019-06-28 | Bridge span structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110184890B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897849A (en) * | 2021-10-08 | 2022-01-07 | 张家港保税区金港建设工程质量检测有限公司 | Three-branch-shaped single main cable pedestrian suspension bridge and construction method thereof |
| CN113897849B (en) * | 2021-10-08 | 2024-06-11 | 张家港保税区金港建设工程质量检测有限公司 | Three-fork single main cable pedestrian suspension bridge and construction method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897849A (en) * | 2021-10-08 | 2022-01-07 | 张家港保税区金港建设工程质量检测有限公司 | Three-branch-shaped single main cable pedestrian suspension bridge and construction method thereof |
| CN113897849B (en) * | 2021-10-08 | 2024-06-11 | 张家港保税区金港建设工程质量检测有限公司 | Three-fork single main cable pedestrian suspension bridge and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110184890B (en) | 2024-03-19 |
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