CN207210936U - A kind of rail-road builds multi pylon cable stayed bridge with laminated - Google Patents
A kind of rail-road builds multi pylon cable stayed bridge with laminated Download PDFInfo
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- CN207210936U CN207210936U CN201721250390.3U CN201721250390U CN207210936U CN 207210936 U CN207210936 U CN 207210936U CN 201721250390 U CN201721250390 U CN 201721250390U CN 207210936 U CN207210936 U CN 207210936U
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Abstract
The utility model provides a kind of rail-road and builds multi pylon cable stayed bridge, including a girder 3, multiple bridge towers 1 and a plurality of suspension cable 2 of the connection girder 3 and the bridge tower 1 with laminated；Highway and railway are disposed with same layer bridge floor on the girder 3；The multiple bridge tower 1 includes middle tower 11 and Bian Ta 12, and the middle tower 11 is using tower Liang Dun consolidations；The side tower 12 is separated using tower beam consolidation, tower pier, and the top of corresponding bridge pier 4 sets double bearing.The utility model consolidates by using tower Liang Dun, the structural system that side tower is separated using tower beam consolidation, tower pier, meets the demand of the railway arranged on same layer bridge floor and highway to rigidity, and basic scale is smaller；And side tower reduces long connection temperature effect using double support style.
Description
Technical field
It the utility model is related to technical field of bridge engineering, and in particular to a kind of rail-road builds multi pylon cable stayed bridge with laminated.
Background technology
Various bridge types have the different scope of application for span；But come for the rail-road of more main spans with laminated bridge construction beam
Say, beam bridge has not applied to, and steel truss arched bridge steel using amount is big, and arch-type structure is limited by landform, geological conditions, not fully
It is applicable；In this case, multi pylon cable stayed bridge is best selection；For multi pylon cable stayed bridge as line structure, span ability is strong, fits
For middle large span, economy and landscape are preferable, there is good application prospect.
In the prior art, multi pylon cable stayed bridge is built with laminated for rail-road, it is firm to meet according to half floating system of routine
Degree requires that then middle tower should be designed to the sufficiently large rigid tower of rigidity, while side tower " dragging " caused by long connection temperature acts on,
Basic stress is big, therefore bridge tower and basis are larger.
Therefore, following technological deficiency in the prior art at least be present：Because Railway Cable-stayed Bridge requires high to bridge stiffness, and
Cable-stayed bridge is flexible structure, and multi pylon cable stayed bridge flexibility is bigger, and multi pylon cable stayed bridge is applied into rail-road builds multi pylon cable stayed bridge with laminated
On, the defects of implacable problem of rigidity and excessive long connection temperature effect be present.
Utility model content
For drawbacks described above present in prior art, the utility model provides a kind of rail-road and builds multitower oblique pull with laminated
Bridge.
The utility model provides a kind of rail-road and builds multi pylon cable stayed bridge with laminated, including a girder 3, multiple bridge towers 1 and
Connect a plurality of suspension cable 2 of the girder 3 and the bridge tower 1；Highway and iron are disposed with same layer bridge floor on the girder 3
Road；The multiple bridge tower 1 includes middle tower 11 and Bian Ta 12, and the middle tower 11 is using tower Liang Dun consolidations；The side tower 12 uses tower
Beam consolidation, the separation of tower pier, the top of corresponding bridge pier 4 set double bearing.
Wherein, the girder 3 is to choose arm-type steel box-girder；The top for choosing arm-type steel box-girder includes box beam top plate 6 and chosen
Arm top plate 5, the lateral outer side chosen arm top plate 5 and be located at the box beam top plate 6；The highway chooses arm top plate 5 described in being arranged in,
The railway is arranged in the box beam top plate 6.
Wherein, the tower limb 7 of the bridge tower 1 is connected with girder steel side case 9, so as to be placed in the girder 3 in the bridge tower 1.
Wherein, the bridge tower 1 is four-column type bridge tower；The four-column type bridge tower includes four tower limbs 7, four tower limbs 7
An overall king-post is merged into upper king-post strut section；Four tower limbs 7 divide for both sides, two tower limbs 7 positioned at the same side
It is connected respectively with the girder steel side case 9 of respective side.
Wherein, the bridge pier 4 uses twin legged thin wall structure；The twin legged thin wall structure includes two pier walls 8, the Dun Bi
8 upper end is connected with the girder 3.
Wherein, the bridge pier 4 corresponding with the middle tower 11 is connected by pre-buried girder steel with the girder 3；With the side
The bridge pier 4 corresponding to tower 12 is connected by double bearing with the girder 3.
Wherein, the four-column type bridge tower is steel construction.
Wherein, the suspension cable 2 is normal intensity 1770MPa parallel wire stay.
Rail-road provided by the utility model builds multi pylon cable stayed bridge with laminated, is consolidated by using tower Liang Dun, and side tower uses tower
Beam consolidation, the structural system of tower pier separation, meet the demand of the railway arranged on same layer bridge floor and highway to rigidity,
And basic scale is smaller；And side tower reduces long connection temperature effect using double support style.
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
Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the rail-road of the utility model embodiment offer with the laminated structural representation for building multi pylon cable stayed bridge；
Fig. 2 is the rail-road of the utility model embodiment offer with the laminated structural system schematic diagram for building multi pylon cable stayed bridge；
Fig. 3 is the rail-road of the utility model embodiment offer with the laminated section structure diagram for building multi pylon cable stayed bridge；
In figure, 1：Bridge tower；2：Suspension cable；3：Girder；4：Bridge pier；5：Choose arm top plate；6：Box beam top plate；7：Tower limb；8：Pier
Wall；9：Girder steel side case；11：Middle tower；12：Side tower.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is explicitly described, it is clear that described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
, it is necessary to explanation in the description of the utility model embodiment, term " " center ", " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " interior ", " outer " are based on orientation shown in the drawings or position
Relation, is for only for ease of description the utility model embodiment and simplifies and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model be implemented
The limitation of example.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or implying phase
To importance.
, it is necessary to illustrate in the description of the utility model embodiment, unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model embodiment.
Fig. 1 be the utility model embodiment provide rail-road with the laminated structural representation for building multi pylon cable stayed bridge, such as Fig. 1 institutes
Show, including a girder 3, multiple bridge towers 1 and a plurality of suspension cable 2 of the connection girder 3 and the bridge tower 1；The girder 3
On same layer bridge floor on be disposed with highway and railway；The multiple bridge tower 1 includes middle tower 11 and Bian Ta 12, and the middle tower 11 uses
Tower Liang Dun is consolidated；The side tower 12 is separated using tower beam consolidation, tower pier, and the top of corresponding bridge pier 4 sets double bearing.
Wherein, cable-stayed bridge is also known as Cable stayed bridge, is a kind of bridge being directly pulled in girder with many drag-lines on bridge tower；Be by
The bridge tower of pressure-bearing, the rope of tension and hold a kind of structural system that curved beam body combines；It is considered as drag-line and replaces buttress
Multispan elastic support continuous beam；It can reduce moment of flexure in beam body, reduce building height, alleviate construction weight, save
Material.
Wherein, middle tower refers to the bridge tower among bridge, and side tower refers to the bridge tower positioned at bridge both sides；Fig. 2 is this reality
The rail-road provided with new embodiment is oblique with the laminated structural system schematic diagram for building multi pylon cable stayed bridge, such as four towers shown in Fig. 2
Bridge is drawn, middle two bridge towers are middle tower 11；Two bridge towers of both sides are side tower 12.
Specifically, the cable-stayed bridge that the utility model embodiment provides, including girder 3, multiple bridge towers 1 and connection girder 3
With a plurality of suspension cable 2 of bridge tower 1；Fig. 1 shows the cable-stayed bridge for including four bridge towers, but the protection domain of the utility model embodiment
Tower Bridge number is not limited to as four.
In addition, the cable-stayed bridge that the utility model embodiment provides is built for rail-road with laminated, i.e. highway and railway is arranged in master
On same layer bridge floor on beam 3.Multi pylon cable stayed bridge has the arrangement form of the multi-joint length of tower, and main loading characteristic shows as flexibility more
Big and long connection temperature effect is notable；These characteristics based on multi pylon cable stayed bridge, the cable-stayed bridge that the utility model embodiment provides are adopted
With firm structure continuous system.
Specifically, firm structure continuous system, i.e., middle tower 11 is using tower Liang Dun consolidations, and side tower 12 is using tower beam consolidation, tower pier point
From pier top sets double bearing, and arrangement form is as shown in Figure 2；By double bearing, by the relative rotation between bridge tower and steel box-girder
The free degree uses restraint to improve the stress of multi pylon cable stayed bridge；Also, double bearing provide not only the vertical constraint to beam, also
Provide the rotational restraint to beam.
It should be noted that for combined highway and metro cable-stayed bridge, if whole bridge towers is all used between tower beam consolidation, tower pier
The form of double bearing is set, carrys out lift structure global stiffness so as to increase the measure such as bridge tower and girder rigidity, but still is difficult to full
The rigidity requirement of sufficient railway, highway driving, and double bearing is all set, anchor block stress is excessive, can increase design difficulty.Cause
This, the utility model embodiment is arranged to above-mentioned just structure continuous structure system.
The rail-road that the utility model embodiment provides builds multi pylon cable stayed bridge with laminated, is consolidated by using tower Liang Dun, side tower
The structural system separated using tower beam consolidation, tower pier, meets the railway arranged on same layer bridge floor and highway to rigidity
Demand, and basic scale is smaller；And side tower reduces long connection temperature effect using double support style.
On the basis of any of the above-described embodiment, the girder 3 is to choose arm-type steel box-girder；The top for choosing arm-type steel box-girder
Portion includes box beam top plate 6 and chooses arm top plate 5, the lateral outer side chosen arm top plate 5 and be located at the box beam top plate 6；The highway
Arm top plate 5 is chosen described in being arranged in, the railway is arranged in the box beam top plate 6.
Wherein, steel box-girder is called ntitorque steel plate box-girder, is the conventional structure type of Large Span Bridges.It is larger to be commonly used in span
Bridge on, because external form as a chest therefore is called steel box-girder.
Specifically, Fig. 3 is that the rail-road that the utility model embodiment provides is shown with the laminated section structure for building multi pylon cable stayed bridge
It is intended to, as shown in figure 3, the top for choosing arm-type steel box-girder includes box beam top plate 6 and chooses arm top plate 5；Box beam top plate 6 is located at steel box-girder
The centre at top, for arranging railway；The load that this is also due to railway is heavier with respect to highway, be arranged in centre disclosure satisfy that by
Power requirement；The both sides that arm top plate 5 is located in the transverse direction of box beam top plate 6 are chosen, for arranging highway；This is also due to the load phase of highway
Lighter for railway, the arm top plate 5 of choosing for being arranged in outside disclosure satisfy that force request.
Arm-type steel box-girder is chosen by above-mentioned, highway and railway is realized and is arranged with layer, reduce steel using amount, reduce and make
Valency.
On the basis of any of the above-described embodiment, the tower limb 7 of the bridge tower 1 is connected with girder steel side case 9, so that the bridge tower
The girder 3 is placed in 1.
Specifically, as shown in Fig. 2 box beam top plate 6 and choosing and there also is provided girder steel side case 9 between arm top plate 5；Girder steel side case 9
It is symmetrically arranged.Also, girder steel side case 9 is connected with the tower limb 7 of bridge tower；Because girder steel side case 9 is located at the middle part of bridge floor, do not exist
The both sides of bridge floor；Therefore, tower layout is realized in the middle part of girder 1 by the connection of girder steel side case 9 and tower limb 7.
Because highway and railway arrange that bridge floor is roomy larger, if bridge tower will necessarily by the way of outsourcing girder with layer
Cause bridge tower and basic scale excessive, construction cost is high, and landscape effect is poor；Therefore, by will be put in bridge tower, efficiently solve
Drawbacks described above.
On the basis of any of the above-described embodiment, the bridge tower 1 is four-column type bridge tower；The four-column type bridge tower includes four
Tower limb 7, four tower limbs 7 merge into an overall king-post in upper king-post strut section；Four tower limbs 7 divide for both sides, positioned at same
Two tower limbs 7 of side are connected with the girder steel side case 9 of respective side respectively.
Specifically, four-column type bridge tower includes four tower limbs 7, and the left and right sides has been respectively arranged two tower limbs 7；Also, tower
Limb 7 is column, and the bottom of four tower limbs 7 is connected with girder steel side case 9, and four tower limbs 7 pool tower top on top, and tower top is relative
In the column that tower limb 7 is thicker.
By using four-column type bridge tower, the demand to bridge tower stress had both been met, has improved system stiffness, and four posts again
Formula bridge tower is very thin, has good landscape effect.
On the basis of any of the above-described embodiment, the bridge pier 4 uses twin legged thin wall structure；The twin legged thin wall structure bag
Two pier walls 8 are included, the upper end of the pier wall 8 is connected with the girder 3.
Wherein, twin legged thin wall structure includes two pier walls 8 being parallel to each other；Each 8 position and tower in the vertical of pier wall
Limb 7 is corresponding；In addition, as shown in figure 3, pier wall 8 is hollow-core construction.
By using twin legged thin wall structure, bridge pier is big to bending rigidity along bridge, and thrust stiffness is small, and and can effectively reduces temperature
Second inner force caused by degree, concrete creep, pier displacement etc., longitudinal flexible better function is smaller to span centre internal force constraints, stress
Condition is good.
On the basis of any of the above-described embodiment, the bridge pier 4 corresponding with the middle tower 11 passes through pre-buried girder steel and institute
Girder 3 is stated to connect；The bridge pier 4 corresponding with the side tower 12 is connected by double bearing with the girder 3.
For middle tower 11, specifically, the middle tower 11 uses tower beam consolidation with steel box-girder；Steel case corresponding to the middle tower 11
Diaphragm plate is set inside beam, it is corresponding with the both ends of tower limb in the vertical corresponding to two pieces of diaphragm plates of same tower limb, with
Make the fore-and-aft distance between two pieces of diaphragm plates corresponding with the longitudinal size of the tower limb；Described in two pieces of corresponding same tower limb
Chamber is formed between diaphragm plate, the chamber is stretched out beam bottom certain distance and is embedded in bridge pier.
Further, diaphragm plate is set inside steel box-girder, and corresponding between two pieces of diaphragm plates of same tower limb away from
It is relative with the both ends of tower limb in the vertical from, i.e. two piece diaphragm plates position in the vertical corresponding with the longitudinal size of tower limb
Should；For example, the longitudinal size of tower limb is 3.6m, then two pieces of diaphragm plates set both ends relevant position in the vertical, two pieces of tabulas
Fore-and-aft distance between plate is also 3.6m；The lateral dimension of diaphragm plate is corresponding with the width of steel box-girder, such as 17.6m.
Based on the diaphragm plate of above-mentioned setting, two are formd along deck-molding direction corresponding to two pieces of diaphragm plates of same tower limb
The long 3.6m in longitudinal direction, laterally wide 17.6m chamber；The chamber has stretched out the bottom 5.8m of steel box-girder from top to bottom, and has 4m to bury
Enter in bridge pier；Therefore, by the casing, the consolidation of steel box-girder and bridge pier is realized.
It should be noted that the size involved by the utility model embodiment illustrates only for convenient, the utility model
The protection domain not limited to this of embodiment.
For side tower 12, specifically, the side tower 12 uses tower beam consolidation with steel box-girder；Steel case corresponding to the side tower 12
Beam is internally provided with multiple diagonal braces, and bearing is respectively arranged with two girder steel side casees of the steel box-girder；The upper end of the bearing
It is connected with the lower end of girder steel side case, the lower end of the bearing and the upper end of bridge pier connect.
Further, the case when the steel box-girder both sides of the correspondence position of tower 12 are provided with girder steel, it is provided between the case of girder steel side
Multiple diagonal braces；4 tower limb position of center line of corresponding bridge tower, longitudinally disposed double bearing, spacing under two girder steel side casees
10.4m, transverse support spacing 14.7m；The upper end of bearing is connected with the lower end of girder steel side case, the lower end of bearing and the upper end of bridge pier
Connection.By above-mentioned double bearing, the quasi- concretion state to girder is realized.
On the basis of any of the above-described embodiment, the four-column type bridge tower is steel construction.It can be used using steel construction whole
Body Hoisting Program, save construction duration；For concrete structure, size is smaller.
On the basis of any of the above-described embodiment, the suspension cable 2 is 1770MPa parallel wire stay.Using above-mentioned flat
Row wire digging line, meet the use demand of suspension cable.
In summary, the rail-road that the utility model embodiment provides builds multi pylon cable stayed bridge with laminated, using rational structure
System-firm structure continuous system, meets the needs of railway is to rigidity, while discharges long connection temperature effect, solves structure stress and asks
Topic；Main pier uses twin legged thin wall structure, avoids consolidation pier stress excessive；Bridge tower uses steel construction, bridge tower to be placed in master in using
Liang Shang, reduce bridge tower scale；Bridge tower uses four-column type, had both met bridge tower stress needs, and had improved system stiffness, while four again
King-post bridge tower is very thin, and landscape effect is good；Bridge tower uses steel construction, can use integral hoisting scheme, saves the duration.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (8)
1. a kind of rail-road builds multi pylon cable stayed bridge with laminated, it is characterised in that including a girder (3), multiple bridge towers (1) and connects
Connect a plurality of suspension cable (2) of the girder (3) and the bridge tower (1)；
Highway and railway are disposed with same layer bridge floor on the girder (3)；
The multiple bridge tower (1) includes middle tower (11) He Bianta (12), and the middle tower (11) is consolidated using tower Liang Dun；The side tower
(12) separated using tower beam consolidation, tower pier, the top of corresponding bridge pier (4) sets double bearing.
2. cable-stayed bridge according to claim 1, it is characterised in that
The girder (3) is to choose arm-type steel box-girder；
The top for choosing arm-type steel box-girder includes box beam top plate (6) and chooses arm top plate (5), and the arm top plate (5) of choosing is located at institute
State the lateral outer side of box beam top plate (6)；
The highway chooses arm top plate (5) described in being arranged in, and the railway is arranged in the box beam top plate (6).
3. cable-stayed bridge according to claim 2, it is characterised in that
The tower limb (7) of the bridge tower (1) is connected with girder steel side case (9), so as to be placed in the girder (3) in the bridge tower (1).
4. cable-stayed bridge according to claim 3, it is characterised in that
The bridge tower (1) is four-column type bridge tower；
The four-column type bridge tower includes four tower limbs (7), and four tower limbs (7) merge into an overall tower in upper king-post strut section
Post；
Four tower limbs (7) are divided into both sides, two tower limbs (7) girder steel with respective side respectively positioned at the same side
Side case (9) connects.
5. cable-stayed bridge according to claim 1, it is characterised in that
The bridge pier (4) uses twin legged thin wall structure；
The twin legged thin wall structure includes two Dun Bi (8), and the upper end of the Dun Bi (8) is connected with the girder (3).
6. cable-stayed bridge according to claim 1, it is characterised in that
The bridge pier (4) corresponding with the middle tower (11) is connected by pre-buried girder steel with the girder (3)；
The bridge pier (4) corresponding with the side tower (12) is connected by double bearing with the girder (3).
7. cable-stayed bridge according to claim 4, it is characterised in that
The four-column type bridge tower is steel construction.
8. cable-stayed bridge according to claim 1, it is characterised in that
The suspension cable (2) is normal intensity 1770MPa parallel wire stay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250390.3U CN207210936U (en) | 2017-09-27 | 2017-09-27 | A kind of rail-road builds multi pylon cable stayed bridge with laminated |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250390.3U CN207210936U (en) | 2017-09-27 | 2017-09-27 | A kind of rail-road builds multi pylon cable stayed bridge with laminated |
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| CN207210936U true CN207210936U (en) | 2018-04-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604804A (en) * | 2017-09-27 | 2018-01-19 | 中铁第四勘察设计院集团有限公司 | A kind of rail-road builds multi pylon cable stayed bridge with laminated |
| CN110130201A (en) * | 2019-06-04 | 2019-08-16 | 中国铁路设计集团有限公司 | A kind of half floats the cable-stayed bridge of truss-like bridge tower |
| CN110593078A (en) * | 2019-09-06 | 2019-12-20 | 中铁二院工程集团有限责任公司 | Highway-railway parallel double-girder highway-railway combined bridge |
-
2017
- 2017-09-27 CN CN201721250390.3U patent/CN207210936U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604804A (en) * | 2017-09-27 | 2018-01-19 | 中铁第四勘察设计院集团有限公司 | A kind of rail-road builds multi pylon cable stayed bridge with laminated |
| CN107604804B (en) * | 2017-09-27 | 2023-07-04 | 中铁第四勘察设计院集团有限公司 | Multi-tower cable-stayed bridge with common-rail and laminated layers |
| CN110130201A (en) * | 2019-06-04 | 2019-08-16 | 中国铁路设计集团有限公司 | A kind of half floats the cable-stayed bridge of truss-like bridge tower |
| CN110593078A (en) * | 2019-09-06 | 2019-12-20 | 中铁二院工程集团有限责任公司 | Highway-railway parallel double-girder highway-railway combined bridge |
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