CN110205915A - Cable-stayed bridge - Google Patents
Cable-stayed bridge Download PDFInfo
- Publication number
- CN110205915A CN110205915A CN201910432408.9A CN201910432408A CN110205915A CN 110205915 A CN110205915 A CN 110205915A CN 201910432408 A CN201910432408 A CN 201910432408A CN 110205915 A CN110205915 A CN 110205915A
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- Prior art keywords
- tower column
- curved
- bridge
- curved tower
- cable
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Classifications
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- 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
- E01D11/04—Cable-stayed 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
-
- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- 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 cable-stayed bridges, comprising: the body of a bridge；Lay angle head bridge tower, the angle head bridge tower of laing include the first curved tower column being set on the body of a bridge and be set on the body of a bridge and with spaced second curved tower column of first curved tower column；First crossbeam, the both ends of the first crossbeam are connect with first curved tower column and second curved tower column respectively；And second cross beam, the both ends of the second cross beam are connect with first curved tower column and second curved tower column respectively, and the second cross beam and the first crossbeam interval are arranged.The design of two curved tower columns and first crossbeam and second cross beam of arc can be such that power is effectively transmitted, promote the wind resistance shock resistance of the torsional rigidity of pontic and angle head bridge tower of laing, and the first curved tower column and the second curved tower column constitute the moulding for angle head of laing, it is able to ascend pontic good appearance again, by the harmony of both mechanics and the aesthetics of architecture.
Description
Technical field
The present invention relates to bridge technology fields, more particularly to a kind of cable-stayed bridge.
Background technique
Cable-stayed bridge is a kind of triangle geometry building structure object being made of bridge tower, the body of a bridge and drag-line.Traditional, it is most of
Cable-stayed bridge is using door shape, diamond shape, the moulding such as Y shape of falling, and moulding is identical, and structure is more complicated, and difficulty of construction is big；And in some pursuits
The small span cable-stayed bridge of modern design beauty causes construction suffering, cost higher, crossstructure since construction technology is incomplete
Stress is unreasonable, and structural strength is poor with stability.
Summary of the invention
Based on this, it is necessary to provide a kind of cable-stayed bridge, structure is reasonable, bonding strength height and good appearance.
Its technical solution is as follows:
A kind of cable-stayed bridge, comprising:
The body of a bridge；
It lays angle head bridge tower, the angle head bridge tower of laing includes the first curved tower column being set on the body of a bridge and is set to
On the body of a bridge and with spaced second curved tower column of first curved tower column；
First crossbeam, the both ends of the first crossbeam connect with first curved tower column and second curved tower column respectively
It connects；And
Second cross beam, the both ends of the second cross beam connect with first curved tower column and second curved tower column respectively
It connects, and the second cross beam and the first crossbeam interval are arranged.
It is when carrying out cable-stayed bridge construction, the first curved tower column of angle head bridge tower of laing and the second curved tower column is opposite with interval
Mode be installed to the body of a bridge, and simultaneously between the first curved tower column and the second curved tower column interval installing first laterally and second
Crossbeam, it is thus possible to cable-stayed bridge after molding be made to form the rigid-framed structure body of a stable structure.Two curved tower columns of arc
And the design of first crossbeam and second cross beam can be such that power is effectively transmitted, and promote the torsional rigidity of pontic and angle head bridge of laing
The wind resistance shock resistance of tower, and the first curved tower column and the second curved tower column constitute the moulding for angle head of laing, and are able to ascend pontic
Good appearance, by the harmony of both mechanics and the aesthetics of architecture.
The technical solution of the application is further described below:
First curved tower column and second curved tower column are far from the first crossbeam in one of the embodiments,
Side be equipped with wind resisting structure.
The wind resisting structure includes at least two checking recess portions in step setting in one of the embodiments,.
One end and second song that first curved tower column is connected with the body of a bridge in one of the embodiments,
Extension convex body is provided on the outside of one end that transmission tower column is connect with the body of a bridge.
The extension convex body is at least two, and at least two extension convex bodys along vertical in one of the embodiments,
It is stacked to dislocation.
The radius of curvature of first curved tower column and second curved tower column is 220m in one of the embodiments,
~500m.
The body of a bridge includes girder, third crossbeam and supporter, first curved tower column in one of the embodiments,
It is all set on the supporter with second curved tower column, the third crossbeam connect and is set to the supporter
Between first curved tower column and second curved tower column.
In one of the embodiments, the supporter include the supportive body being connect with bridge pier and with the support
The first support arm and the second support arm of main body connection, first curved tower column connect with first support arm, and described the
Two curved tower columns are connect with second support arm, the both ends of the third crossbeam respectively with first support arm and described
The connection of two support arms；Wherein, first support arm is connect with second support arm with the first cambered surface transition, and described first
Brace is connect with the supportive body with the second cambered surface transition, and second support arm and the supportive body are with third cambered surface mistake
Cross connection.
The girder includes at least two steelframe cell cubes being successively connected, the steelframe in one of the embodiments,
Cell cube includes the upper beam that longitudinal gap is oppositely arranged and lower beam, the one end for being connected to the upper beam and the lower beam
Between the first brace, be connected between the upper beam and the other end of the lower beam the second brace, interval set
The the first oblique waist bar and the second oblique waist bar that are placed between the upper beam and the lower beam, be set to it is upper on the upper beam
Chord member and the lower boom being set on the lower beam.
It in one of the embodiments, further include oblique pull lock, the oblique pull locks fan-shaped double rope faces structure and is connected to institute
It states and lays between angle head bridge tower and the girder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cable-stayed bridge described in one embodiment of the invention；
Fig. 2 is the side structure schematic view of the angle head bridge tower of laing in cable-stayed bridge shown in Fig. 1；
Fig. 3 is the cross-sectional view at the A-A for angle head bridge tower of laing shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the rigid frame cell cube in girder shown in Fig. 1.
Description of symbols:
10, the body of a bridge, 11, girder, 110, steelframe cell cube, 111, upper beam, 112, lower beam, the 113, first brace,
114, the second brace, the 115, first oblique waist bar, the 116, second oblique waist bar, 117, top boom, 118, lower boom, 12, third cross
Beam, 13, supporter, 131, supportive body, the 132, first support arm, the 133, second support arm, the 134, first cambered surface, 135, second
Cambered surface, 136, third cambered surface, 20, angle head bridge tower of laing, the 21, first curved tower column, the 22, second curved tower column, 30, first crossbeam,
40, second cross beam, 50, wind resisting structure, 51, checking recess portion, 60, extension convex body, 70, oblique pull lock.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with
Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
As depicted in figs. 1 and 2, the cable-stayed bridge shown for one embodiment of the application, comprising: the body of a bridge 10；It lays angle head bridge tower 20,
The angle head bridge tower 20 of laing includes the first curved tower column 21 being set on the body of a bridge 10 and is set on the body of a bridge 10 simultaneously
With spaced second curved tower column 22 of first curved tower column 21；First crossbeam 30, the both ends of the first crossbeam 30
It is connect respectively with first curved tower column 21 and second curved tower column 22；And second cross beam 40, the second cross beam 40
Both ends connect respectively with first curved tower column 21 and second curved tower column 22, and the second cross beam 40 with it is described
The setting of the interval of first crossbeam 30.
When carrying out cable-stayed bridge construction, by the first curved tower column 21 of angle head bridge tower 20 of laing and the second curved tower column 22 with
It is installed to the body of a bridge 10 every opposite mode, and the interval installing the between the first curved tower column 21 and the second curved tower column 22 simultaneously
One lateral and second cross beam 40, it is thus possible to cable-stayed bridge after molding be made to form the rigid-framed structure body of a stable structure.Work as ring
When the evils such as strong wind, heavy rain summary weather occurs in border, pontic can bear the impact force of lateral, at this point, two curve towers of arc
The design of column and first crossbeam 30 and second cross beam 40 can be such that power is effectively transmitted, and promote the torsional rigidity of pontic and lay
The wind resistance shock resistance of angle head bridge tower 20；And the first curved tower column 21 and the second curved tower column 22 constitute the moulding for angle head of laing, again
It is able to ascend pontic good appearance, the design factors such as comprehensive consideration building ratio, the scale of construction, image, configuration, by mechanics and building
Both aesthstic harmony.
Specific in the present embodiment, the first curved tower column 21 is identical with the structure of the second curved tower column 22 and is in mirror
As being arranged symmetrically.The two configuration uses for reference " gold " the type gable for angle head of laing in the building of Guangdong Chao-Shan Area, special in conjunction with mechanics stress
Point, topology stretch " gold " type gable vertically double crestal lines, have stronger regional architectural culture symbol.And the first curved tower column 21
It is adapted to 22 arc of the second curved tower column, like a pair of opposite egression sung in antiphonal style, keeps building more lively.
Please continue to refer to Fig. 1, cable-stayed bridge locks the 70, first curved tower column 21 and the second curved tower column 22 by the body of a bridge 10, oblique pull
It constitutes, structure is simple, compact, using armored concrete and uses creeping formwork or overmolded construction technology, construction technology is simple, is conducive to control
This is made.To guarantee structural strength, the length of pontic is adapted to, the body of a bridge 10 includes the spaced angle head of laing of two or more quantity
Bridge tower 20.The oblique pull locks 70 fan-shaped double rope faces structures and is connected to described lay between angle head bridge tower 20 and the girder 11.
Specifically, one end of oblique pull lock 70 passes through steel anchor box, steel anchor beam or prestressing force tooth block and the first curved tower column 21 or the second curve
King-post 22 connects, and the other end of oblique pull lock 70 is connect by anchor tie plate or steel anchor box with the body of a bridge 10, so that the body of a bridge 10 and angle head of laing
20 structural integrity of bridge tower is good, and bonding strength is high, and has certain toughness, and shock resistance is good.It is described in an alternative embodiment
The radius of curvature of first curved tower column 21 and second curved tower column 22 is 220m~500m.First curved tower column 21 and second
The radius of curvature of curved tower column 22 is 280m, can so obtain optimal structural strength and stress is horizontal, reduce and build construction
Difficulty improves the torsional rigidity of the body of a bridge 10.
As shown in figure 3, on the basis of the above embodiments, first curved tower column 21 and second curved tower column 22
Side far from the first crossbeam 30 is equipped with wind resisting structure 50.The wind resisting structure 50 can weaken the direct impact of strong wind,
It thus can be improved the wind loading rating of pontic.
Referring to Fig. 3, in an alternative embodiment, the wind resisting structure 50 includes recessed at least two checkings of step setting
Portion 51.Specifically, curved tower column uses the single box single chamber structure of rectangular section, and direction across bridge width is 5m, along bridge to a length of 7m~9m,
Rectangle king-post designs the outwardly projecting at least two checkings recess portion 51 of step far from two, the outside sharp corner of first crossbeam 30, should
Checking recess portion 51 is open gap structure, and when wind-force is blown on gap structure, wind can be by water conservancy diversion deflecting, to subtract
Gently to the direct impact force of king-post.
In addition, one end that first curved tower column 21 and the body of a bridge 10 connect and second curved tower column 22 with
Extension convex body 60 is provided on the outside of one end that the body of a bridge 10 connects.And specific in the present embodiment, the extension convex body 60
It is that at least two, and at least two extension convex bodys 60 misplace be stacked along longitudinal direction.From structural behaviour, stacking dislocation
At least two extension convex bodys 60 being arranged further can play dispersion attenuation to strong wind, and the impact for reducing wind influences, and mention
Rise pontic wind resistance；Extension convex body 60 can increase the resonant capacity of pontic simultaneously, weaken pontic in extreme environments such as earthquakes
Under amplitude, guarantee structural stability.
Please continue to refer to Fig. 2, based on any of the above embodiments, the body of a bridge 10 includes girder 11, third crossbeam
12 and supporter 13, first curved tower column 21 and second curved tower column 22 be all set on the supporter 13, institute
Third crossbeam 12 is stated to connect with the supporter 13 and be set to first curved tower column 21 and second curved tower column 22
Between.Wherein, girder 11 is steel truss girder, steel box-girder or combined beam structure, thus simple structure, structural strength are high.Third crossbeam
12 setting can further enhance the bonding strength of 22 lower part of the first curved tower column 21 and the second curved tower column.And supporter
First curved tower column 21, the second curved tower column 22 and third crossbeam 12 can be then connected as an entirety by 13 setting, into
One step increases the validity of power transmitting, promotes pontic structural behaviour and stability.
In an alternative embodiment, the supporter 13 include the supportive body 131 being connect with bridge pier and with the branch
Support the first support arm 132 and the second support arm 133 that main body 131 connects, first curved tower column 21 and first support
Arm 132 connects, and second curved tower column 22 is connect with second support arm 133, the both ends difference of the third crossbeam 12
It is connect with first support arm 132 and second support arm 133；Wherein, first support arm 132 with described second
Brace 133 is with 134 transition of the first cambered surface connection, and first support arm 132 is with the supportive body 131 with the second cambered surface 135
Transition connection, second support arm 133 are connect with the supportive body 131 with 136 transition of third cambered surface.Thus entire support
The unstressed centrostigma of body 13 debacle or fracture will not occurs because load is excessive, can greatly promote the overall structure of pontic
Energy.
Please continue to refer to Fig. 4, in another alternative embodiment, the girder 11 includes at least two steelframes being successively connected
Cell cube, the steelframe cell cube include the upper beam 111 that longitudinal gap is oppositely arranged and lower beam 112, are connected on described
The first brace 113 between crossbeam 111 and one end of the lower beam 112 is connected to the upper beam 111 and the lower cross
The second brace 114 between the other end of beam 112 is arranged at intervals between the upper beam 111 and the lower beam 112
It first oblique waist bar 115 and the second oblique waist bar 116, the top boom 117 being set on the upper beam 111 and is set to described
Lower boom 118 on lower beam 112.The thus stable structure of steelframe cell cube, stress performance is good, and power can be in different cross
Beam, brace, smooth transfer between oblique waist bar, so that the girder 11 that at least two steelframe cell cubes are constituted has excellent structure
Intensity and load-carrying ability.Wherein, upper and lower oblique waist bar plays the role of the upper and lower crossbeam 112 of support connection, and together constitutes master
The main structure of beam 11；First, second brace 114 of two sides is then connected and fixed for the end of upper and lower crossbeam 112, into one
Step promotes the overall structural strength of girder 11；And upper and lower chord member 118 then can be by different rigid frame cell cubes 110 along girder 11
Length direction be mutually linked securely.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of cable-stayed bridge characterized by comprising
The body of a bridge；
It lays angle head bridge tower, the angle head bridge tower of laing includes the first curved tower column being set on the body of a bridge and is set to described
On the body of a bridge and with spaced second curved tower column of first curved tower column；
First crossbeam, the both ends of the first crossbeam are connect with first curved tower column and second curved tower column respectively；
And
Second cross beam, the both ends of the second cross beam are connect with first curved tower column and second curved tower column respectively,
And the second cross beam and the first crossbeam interval are arranged.
2. cable-stayed bridge according to claim 1, which is characterized in that first curved tower column and second curved tower column
Side far from the first crossbeam is equipped with wind resisting structure.
3. cable-stayed bridge according to claim 2, which is characterized in that the wind resisting structure includes at least two in step setting
A checking recess portion.
4. cable-stayed bridge according to claim 1, which is characterized in that first curved tower column connected with the body of a bridge one
Extension convex body is provided on the outside of one end that end and second curved tower column are connect with the body of a bridge.
5. cable-stayed bridge according to claim 4, which is characterized in that the extension convex body is at least two, and at least two
The extension convex body misplaces along longitudinal direction to be stacked.
6. cable-stayed bridge according to claim 1, which is characterized in that first curved tower column and second curved tower column
Radius of curvature be 220m~500m.
7. cable-stayed bridge according to any one of claims 1 to 6, which is characterized in that the body of a bridge includes girder, third crossbeam
And supporter, first curved tower column and second curved tower column are all set on the supporter, the third crossbeam
It connect and is set between first curved tower column and second curved tower column with the supporter.
8. cable-stayed bridge according to claim 7, which is characterized in that the supporter includes the support master connecting with bridge pier
Body and the first support arm and the second support arm being connect with the supportive body, first curved tower column and described first
Support arm connection, second curved tower column connect with second support arm, the both ends of the third crossbeam respectively with it is described
First support arm is connected with second support arm；Wherein, first support arm and second support arm are with the first cambered surface
Transition connection, first support arm connect with the supportive body with the second cambered surface transition, second support arm with it is described
Supportive body is with third cambered surface transition connection.
9. cable-stayed bridge according to claim 7, which is characterized in that the girder includes at least two steelframes being successively connected
Cell cube, the steelframe cell cube include the upper beam that longitudinal gap is oppositely arranged and lower beam, be connected to the upper beam and
The first brace between one end of the lower beam, be connected between the upper beam and the other end of the lower beam
Two braces, the first oblique waist bar being arranged at intervals between the upper beam and the lower beam and the second oblique waist bar are set to
Top boom on the upper beam and the lower boom being set on the lower beam.
10. cable-stayed bridge according to claim 7, which is characterized in that further include oblique pull lock, the oblique pull locks fan-shaped double ropes
Face structure is simultaneously connected to described lay between angle head bridge tower and the girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432408.9A CN110205915A (en) | 2019-05-23 | 2019-05-23 | Cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432408.9A CN110205915A (en) | 2019-05-23 | 2019-05-23 | Cable-stayed bridge |
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| Publication Number | Publication Date |
|---|---|
| CN110205915A true CN110205915A (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910432408.9A Pending CN110205915A (en) | 2019-05-23 | 2019-05-23 | Cable-stayed bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113652948A (en) * | 2020-05-12 | 2021-11-16 | 中铁二院工程集团有限责任公司 | High-speed railway cable-stayed bridge with improved rigidity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113652948A (en) * | 2020-05-12 | 2021-11-16 | 中铁二院工程集团有限责任公司 | High-speed railway cable-stayed bridge with improved rigidity |
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