CN104594173B - One kind embraces rail magnetic levitation track traffic box beam - Google Patents
One kind embraces rail magnetic levitation track traffic box beam Download PDFInfo
- Publication number
- CN104594173B CN104594173B CN201410712261.6A CN201410712261A CN104594173B CN 104594173 B CN104594173 B CN 104594173B CN 201410712261 A CN201410712261 A CN 201410712261A CN 104594173 B CN104594173 B CN 104594173B
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- Prior art keywords
- plate
- box beam
- bottom plate
- magnetic levitation
- track traffic
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- 238000005339 levitation Methods 0.000 title claims abstract description 22
- 238000005266 casting Methods 0.000 claims abstract description 6
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 210000002435 Tendons Anatomy 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 13
- 240000006394 Sorghum bicolor Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000019713 millet Nutrition 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 210000001015 Abdomen Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
- E01B25/305—Rails or supporting constructions
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
Rail magnetic levitation track traffic box beam is embraced the invention discloses one kind, the box beam includes top plate, bottom plate and the web between the top plate and the bottom plate, the top plate, bottom plate and web are the reinforced concrete structure that one-piece casting is molded, the top plate two side ends are provided with the boss of the evagination for installing magnetic levitation track, and the bottom plate both sides are provided with the wing plate stretched out obliquely upward.Wing plate top is provided with mounting platform, mounting platform is set to the boss structure that horizontal direction is stretched out laterally, available for setting human nature pavement, fire escape, it can be also used for setting the track traffic affiliated facilities such as access path, railing, noise barrier, semaphore, AP antennas, be beneficial to the regular maintenance of circuit.The wing plate of box beam is covered to bridge upper rail, trackside equipment, cable etc., and landscape effect is obviously improved.
Description
Technical field
The present invention relates to technical field of bridge construction, specific design one kind embraces rail magnetic levitation track traffic box beam.
Background technology
Existing magnetic levitation track traffic and straddle-seat type single traffic rail beam beam type mainly have two kinds:Single line box beam scheme
With double line box girder scheme.
Single line box beam scheme, " embracing rail " method of operation of uniqueness is taken in magnetic levitation track traffic and cross-saddle single-track traffic etc.
In, the single line box beam for meeting vehicle gauge requirement is most economical beam type.Program beam structure is travelled by vehicle rail
Road, two-wire location takes the juxtaposed mode of two panels single line box beam to handle, and domestic built magnetic is floated and cross-saddle single-track traffic track
Liang Jun uses this beam type.Fig. 1 is Shanghai high speed Maglev track girder sectional view, and Fig. 2 is Chongqing City's cross-saddle single-track traffic
Track girder sectional view, Fig. 3 is certain medium-and low-speed maglev traffic experiment line track girder sectional view.Because of vehicle " embracing rail " operation, single line case
Limited using space on beam bridge, box beam top surface can only meet track and set needs, and power rail, cable can be hung on box beam side outside
And passage when bottom surface, circuit regular maintenance and vehicle generation accident needed for passenger's emergency evacuation can not be set, railing,
The affiliated facilities such as acoustic barrier are also nowhere installed.To meet circuit regular maintenance and rescue run needs, Chongqing City is being built
During Article 2 cross-saddle single-track traffic line-Rail Transit Line 3, by setting up electricity of the girder steel completion along circuit beside track girder
Cable is laid, the maintenance of grid coverage steel plate formation thereon and rescue run passage.The processing mode solve daily line upkeep and
The access issues of passenger's emergency evacuation, but investment increase is more, girder steel later maintenance workload is also than larger." embracing rail " formula rail
Road traffic belongs to urban track traffic category, requires higher to the landscape of bridge, the single line box beam that the current country takes could not
The Landscape of elevated bridge is solved well.
Double line box girder scheme beam structure is divided into two layers, and lower floor's double line box girder is main part of the force, and twice are set thereon
Small support rail beam, as vehicle track out of shape, forms " beam upper beam " structure.As shown in Fig. 4 double line box girder sectional views, double line box girder
Bridge floor is wider, using the teaching of the invention it is possible to provide sufficient space carries out cable laying and maintenance, the setting of rescue run passage.But its shortcoming
Than more prominent, first, support rail beam is not involved in structure stress substantially as travelled by vehicle track, and waste of material is less economical;Its
It is secondary, support rail beam need to after the completion of double line box girder construction cast-in-place construction, tedious process, the duration is longer;3rd, double line box girder and support rail
The structure combined altitudes of beam are higher, and landscape effect is also bad.
Consider in terms of collateral security construction quality, shortening duration, reduction construction investment, the general location of elevated bridge is generally adopted
Constructed with simply supported beam, fabrication and erection method.
Magnetic levitation track traffic and cross-saddle single-track traffic belong to urban track traffic, and it is many, even that circuit has sharp radius curve
Continue the characteristics of beam control node is more.Double line box girder is after the completion of beam is prefabricated, by the use of the bridge constructed as transport channel, uses
It is in place that beam car is transported to bridge location rear frame member.The double line box girder scale of construction is larger, and beam body transportation rack device is difficult by sharp radius curve, control
Node may also hinder beam transporting passage insertion, cause the multiple transition of Bridge Erector, and investment is significantly increased, and influence the duration.Single line box beam
The scale of construction is smaller, beam body can ground transport, set a roof beam in place using methods such as autocrane, crawler crane, gantry cranes, beam body fortune
Defeated to set up more flexible, constructing aims are easier to realize.
In summary, in current magnetic levitation track traffic and the existing beam type of cross-saddle single-track traffic, single line box beam is applied
Work is convenient, good economy performance, but there is the shortcomings of circuit regular maintenance and rescue run are difficult, landscape effect is poor;Double line box girder
Although the need for meeting cable laying and maintenance, the setting of rescue run passage, circuit regular maintenance is fairly simple, exists and applies
Work is difficult, the duration is longer, it is less economical the problem of.
So, find a kind of reasonable pattern, easy construction, " embracing rail " formula track that economy is good, landscape effect is good is handed over
Logical track beam structure tool is of great significance.
The content of the invention:
There is provided a kind of simple in construction, easy construction armful of rail for the problem of present invention will exist for above-mentioned background technology
Magnetic levitation track traffic box beam, can meet using functional requirement, with good economy.
In order to solve the above technical problems, the technical scheme is that:
One kind embrace rail magnetic levitation track traffic box beam, the box beam include top plate, bottom plate and positioned at the top plate with it is described
Web between bottom plate, the top plate, bottom plate and web are the reinforced concrete structure that one-piece casting is molded, the top plate both sides
End is provided with the boss of the evagination for installing magnetic levitation track, and the bottom plate both sides are provided with the wing plate stretched out obliquely upward.
It is preferred that the height of the wing plate is no more than top board surface.
It is preferred that the top of the wing plate is provided with mounting platform, the mounting platform stretches out for horizontal direction laterally
Boss structure.
The both sides between the top plate and the bottom plate it is preferred that the web is in tilted layout respectively.
It is preferred that the web is respectively perpendicular the both sides being arranged between the top plate and the bottom plate.
It is preferred that the wing plate is arc.
It is preferred that the wing plate and the bottom plate are the reinforced concrete structure that one-piece casting is molded, it is described to be located at box beam
The bottom plate bottom surface at two ends is provided with horizontal support face, and the bottom plate bottom surface being located between box beam two ends and the wing plate outer surface are in
The arc of connection.
The beneficial effects of the present invention are:
Embrace rail magnetic levitation track traffic box beam and be provided with the bottom plate both sides of box beam and choose outside and height is no more than top board surface
Arc can be set to as cable laying passage, wing plate on the inside of wing plate, wing plate, can be the arc of convex or concave, adapted to
The need for different places and engineering-environment.
Wing plate top is provided with mounting platform, and mounting platform is set to the boss structure that horizontal direction is stretched out laterally, can used
In setting human nature pavement, fire escape, allow passenger by fire escape emergency evacuation when accident occurs for vehicle, improve line
Tackle the ability of urgent emergency situations in road.Mounting platform can be also used for set access path, railing, noise barrier, semaphore,
The track traffic affiliated facility such as AP antennas, is beneficial to the regular maintenance of circuit.The wing plate of box beam to bridge upper rail, trackside equipment,
Cable etc. is covered, and landscape effect is obviously improved.
Bottom plate connected with wing plate it is curved make moulding more attractive, web alternative set, be set to one block of web, or two
Block web, two blocks of webs could be arranged to straight web or skew web plate, and three kinds of modes are adapted to different engineering demands.Box beam bottom
The two ends of plate bottom surface are respectively arranged with horizontal support face, to by pile equipment on carrier.
The need for the present invention is adapts to the operation of " embrace rail " formula rail transit train, meet structural strength and rigidity requirement with
And take into account economy, convenient construction, landscape effect on the premise of the requirement of space place function on bridge.
Brief description of the drawings
Fig. 1 is Shanghai high speed Maglev track girder sectional view,
Fig. 2 is Chongqing City's straddle-seat type single traffic rail beam sectional view,
Fig. 3 is certain medium-and low-speed maglev traffic experiment line track girder sectional view,
Fig. 4 is double line box girder sectional view,
Fig. 5 is the cross-sectional view of a unit box beam between one or two of bridge pier of the embodiment of the present invention,
Fig. 6 is the cross-sectional view that the box beam fine strain of millet end of the embodiment of the present invention one is installed at bridge pier,
Fig. 7 is the cross-sectional view of a unit box beam between 2 two bridge piers of the embodiment of the present invention,
Fig. 8 is the cross-sectional view that the box beam fine strain of millet end of the embodiment of the present invention two is installed at bridge pier,
Fig. 9 is the structural representation that the embodiment of the present invention one is installed on bridge.
In figure:
1st, top plate, 2, bottom plate, 3, web, 4, wing plate, 5, horizontal support face, 6, bearing, 7, bridge pier, 8, boss, 9, install
Platform.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment one, a kind of as shown in Figure 5 and Figure 6 to embrace rail magnetic levitation track traffic box beam, the box beam includes top plate 1, bottom
Plate 2 and the web 3 between top plate 1 and bottom plate 2.The present embodiment sets two blocks of webs 3, and two blocks of webs 3 are respectively perpendicular cloth
The both sides between top plate 1 and bottom plate 2 are put, two blocks of webs 3 are symmetrical arranged along the axis between top plate 1 and bottom plate 2, two pieces of abdomens
Plate 3 at right angles, forms the cavity of a cubic with the junction of top plate 1 in the middle part of box beam.
The two side ends of top plate 1 are provided with the boss 8 of the evagination for installing magnetic levitation track, and the both sides of bottom plate 2 are provided with stretches obliquely upward
The wing plate 4 gone out, the height of wing plate 4 is no more than the surface of top plate 1.
The section of wing plate 4 is arc, is outer convex in the present embodiment, and wing plate 4 and bottom plate 2 are the steel that one-piece casting is molded
Tendon concrete structure, the bottom surface of bottom plate 2 positioned at box beam two ends is provided with horizontal support face 5, the bottom of bottom plate 2 between box beam two ends
Face is with the outer surface of wing plate 4 in the arc connected.Wing plate 4 can also be the arc of indent, or linear pattern in practice, but should be appearance
The trackside equipments such as cable of receiving leave receiving space.
The top of wing plate 4 is provided with mounting platform 9, the structure of boss 8 that mounting platform 9 stretches out for horizontal direction laterally.This
In mounting platform 9 can be used for setting human nature pavement, fire escape, allow passenger logical by evacuation when accident occurs for vehicle
Road emergency evacuation, improves the ability that circuit tackles urgent emergency situations.Mounting platform 9 can be also used for setting access path, column
The track traffic affiliated facilities such as bar, noise barrier, semaphore, AP antennas, are beneficial to the regular maintenance of circuit.
Reinforcement, buttress brace can also be set between wing plate 4 and web 3, the weight capacity to strengthen wing plate 4, but
Various reinforcement structures should be receiving trackside equipment and leave enough spaces or space simultaneously.Top plate 1, bottom plate 2 and web 3 are whole
Body pours the reinforced concrete structure of shaping.The bottom surface of top plate 1 can also set the crossbeam of top plate 1 and the crossbeam of bottom plate 2, to strengthen
The intensity of top plate 1, strengthens bearing capacity and safety coefficient of the box beam to track.
Embodiment two as shown in Fig. 7 to Fig. 8, the rail magnetic levitation track traffic box beam of embracing of the present embodiment includes two blocks of webs
3, the both sides being in tilted layout respectively between top plate 1 and bottom plate 2, two blocks of webs 3 are along the axis pair between top plate 1 and bottom plate 2
Claim to set, a ladder cavity is formed in the middle part of box beam between web 3 and top plate 1 in obtuse angle.Other set with embodiment one
It is identical.
Multiple box beams are docked vertically to be formed track girder and is placed in by adjacent two box beams joint on bridge pier 7, positioned at box beam two
The bottom surface of bottom plate 2 at end is provided with horizontal support face 5, and the horizontal support face 5 at box beam two ends is placed on bridge pier 7 by bearing 6.
The beam body scale of construction of the present invention is smaller, is constructed using fabrication and erection method, and beam body transport and erection are convenient.
As shown in figure 9, box beam of the present invention is meeting space place function on structural strength and rigidity requirement and bridge
It is required that on the premise of, economy, convenient construction, landscape effect are taken into account, the need of " embracing rail " formula rail transit train operation have been adapted to
Will.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (5)
1. one kind embraces rail magnetic levitation track traffic box beam, the box beam includes top plate (1), bottom plate (2) and positioned at the top plate
(1) web (3) between the bottom plate (2), the top plate (1), bottom plate (2) and web (3) are the steel that one-piece casting is molded
Tendon concrete structure, top plate (1) two side ends are provided with the boss (8) of the evagination for installing magnetic levitation track, it is characterised in that:
Bottom plate (2) both sides are provided with the wing plate (4) stretched out obliquely upward, and the height of the wing plate (4) is no more than top plate (1) surface,
The wing plate (4) and the bottom plate (2) are to be used as electricity on the inside of the reinforced concrete structure that one-piece casting is molded, the wing plate (4)
Cable lays passage;The top of the wing plate (4) is provided with mounting platform (9), and the mounting platform (9) is stretched for horizontal direction laterally
The boss structure gone out;The mounting platform (9) be used for track traffic affiliated facility is set, it include pavement, fire escape,
One or more in access path, railing, noise barrier, semaphore, AP antennas;Two box beams are located at same bridge side by side
On pier (7).
2. a kind of armful of rail magnetic levitation track traffic box beam according to claim 1, it is characterised in that:The web (3) point
The both sides not being in tilted layout between the top plate (1) and the bottom plate (2).
3. a kind of armful of rail magnetic levitation track traffic box beam according to claim 1, it is characterised in that:The web (3) point
The both sides between the top plate (1) and the bottom plate (2) are not arranged vertically on.
4. one kind according to any claim in claim 1-3 embraces rail magnetic levitation track traffic box beam, its feature exists
In:The wing plate (4) is arc.
5. a kind of armful of rail magnetic levitation track traffic box beam according to claim 4, it is characterised in that:It is described to be located at box beam two
Bottom plate (2) bottom surface at end is provided with horizontal support face (5), bottom plate (2) bottom surface being located between box beam two ends and the wing plate
(4) outer surface is in the arc connected.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410712261.6A CN104594173B (en) | 2014-11-28 | 2014-11-28 | One kind embraces rail magnetic levitation track traffic box beam |
PCT/CN2015/094751 WO2016082689A1 (en) | 2014-11-28 | 2015-11-17 | Rail holding type magnetic levitation track transit box girder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410712261.6A CN104594173B (en) | 2014-11-28 | 2014-11-28 | One kind embraces rail magnetic levitation track traffic box beam |
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Publication Number | Publication Date |
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CN104594173A CN104594173A (en) | 2015-05-06 |
CN104594173B true CN104594173B (en) | 2017-09-22 |
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CN201410712261.6A Active CN104594173B (en) | 2014-11-28 | 2014-11-28 | One kind embraces rail magnetic levitation track traffic box beam |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016082689A1 (en) * | 2014-11-28 | 2016-06-02 | 中铁第四勘察设计院集团有限公司 | Rail holding type magnetic levitation track transit box girder |
CN104912004B (en) * | 2015-06-25 | 2017-03-22 | 中铁第四勘察设计院集团有限公司 | Hold rail-type track transportation bridge evacuation maintenance platform |
CN105544372B (en) * | 2015-12-17 | 2017-08-01 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
CN105568788B (en) * | 2015-12-17 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
CN105544371B (en) * | 2015-12-17 | 2017-08-01 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
CN105568789B (en) * | 2015-12-17 | 2017-09-22 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
CN105568838B (en) * | 2015-12-17 | 2017-07-11 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
CN105568839B (en) * | 2015-12-17 | 2017-07-11 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
CN109273197A (en) * | 2018-09-07 | 2019-01-25 | 西南交通大学 | A kind of medium-and low-speed maglev train levitating electromagnet structure |
CN111733637A (en) * | 2020-07-03 | 2020-10-02 | 九洲运通(北京)超导新技术产业发展有限公司 | Superconducting magnetic suspension embedded track traffic line and train system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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NL9302269A (en) * | 1993-12-27 | 1995-07-17 | Colette Elisabeth Adeline Niem | Box girder and railway viaduct constructed therewith |
NL1009538C1 (en) * | 1998-07-01 | 1998-07-22 | Grimbergen Holding B V | Rail track for high speed and magnetic trains |
CN201077951Y (en) * | 2007-07-30 | 2008-06-25 | 上海市政工程设计研究总院 | Track traffic overhead viaduct interval structure |
CN101200871A (en) * | 2007-12-14 | 2008-06-18 | 上海市隧道工程轨道交通设计研究院 | Bottom bearing trough girder for rail traffic station |
CN101200872B (en) * | 2007-12-14 | 2012-11-14 | 上海市隧道工程轨道交通设计研究院 | Bottom bearing box beam for rail traffic station |
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2014
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