CN104594173A - Rail holding type electromagnetic suspension track traffic box girder - Google Patents
Rail holding type electromagnetic suspension track traffic box girder Download PDFInfo
- Publication number
- CN104594173A CN104594173A CN201410712261.6A CN201410712261A CN104594173A CN 104594173 A CN104594173 A CN 104594173A CN 201410712261 A CN201410712261 A CN 201410712261A CN 104594173 A CN104594173 A CN 104594173A
- Authority
- CN
- China
- Prior art keywords
- track traffic
- base plate
- case beam
- top board
- magnetic levitation
- 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
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
The invention discloses a rail holding type electromagnetic suspension track traffic box girder. The box girder comprises a top plate, a bottom plate and a web plate located between the top plate and the bottom plate. The top plate, the bottom plate and the web plate are of a reinforced concrete structure formed by overall pouring, an outer protrusion and a boss allowing an electromagnetic suspension track to be mounted are arranged at the two side ends of the top plate, and wing plates which stretch out towards the upper inclined portion are arranged on the two sides of the bottom plate. A mounting platform is arranged at the top ends of the wing plates, the mounting platform is of a boss structure which stretches out towards the outer side in the horizontal direction, can be used for arranging a pedestrian footpath and an evacuation exit and also can be used for arranging track traffic accessory facilities such as an inspection gallery, guardrails, a noise barrier, a signal machine and an AP antenna, and daily maintenance of a line is facilitated. The wing plates of the box girder shield on-bridge tracks, trackside equipment, cables and the like, and the landscape effect is obviously improved.
Description
Technical field
The present invention relates to bridge construction technical field, specific design one embraces rail magnetic levitation track traffic case beam.
Background technology
Existing magnetic levitation track traffic and straddle-seat type single traffic rail beam beam type mainly contain two kinds: single line case beam scheme and double line box girder scheme.
Single line case beam scheme, take in unique " embracing rail " method of operation at magnetic levitation track traffic and cross-saddle single-track traffic etc., the single line case beam meeting vehicle gauge requirement is most economical beam type.Program beam structure is travelled by vehicle track, and the juxtaposed mode process of two panels single line case beam is taked in two-wire location, and domestic built magnetic is floating all adopts this beam type with straddle-seat type single traffic rail beam.Fig. 1 is Shanghai high speed Maglev rail beam sectional view, Tu2Shi Chongqing City straddle-seat type single traffic rail beam sectional view, and Fig. 3 is certain medium-and low-speed maglev traffic experiment line rail beam sectional view." embrace rail " because of vehicle to run, single line box girder bridge can utilize limited space, case top surface of the beam can only meet track and arrange needs, power rail, cable can be hung on outward case beam sides and bottom surface, passage when circuit regular maintenance and vehicle generation accident needed for passenger's emergency evacuation cannot be arranged, and the ancillary facility such as railing, noise barrier is also installed nowhere.For meeting circuit regular maintenance and rescue run needs, Chongqing City is when building Article 2 cross-saddle single-track traffic line-Rail Transit Line 3, complete the cable laying along circuit by rail beam side erection girder steel, on it, grid coverage steel plate forms maintenance and rescue run passage.This processing mode solves the access issues of daily line upkeep and passenger's emergency evacuation, but investment increases more, and girder steel later maintenance workload is also larger.Formula track traffic belongs to urban track traffic category " to embrace rail ", and require higher to the view of bridge, the domestic single line case beam taked all not can solve the Landscape of elevated bridge at present.
Double line box girder scheme beam structure is divided into two-layer, and lower floor's double line box girder is main part of the force, it is arranged the little support rail beam of twice, as the track that vehicle is out of shape, forms " beam upper beam " structure.As shown in Fig. 4 double line box girder sectional view, double line box girder bridge floor is wider, and sufficient space can be provided to carry out the setting of cable laying and maintenance, rescue run passage.But its shortcoming is also more outstanding, first, support rail beam is as travelled by vehicle track, and participation structure is not stressed substantially, and waste of material is less economical; Secondly, support rail beam need after double line box girder has been constructed cast-in-place construction, operation is loaded down with trivial details, and the duration is longer; 3rd, the textural association height of double line box girder and support rail beam is higher, and landscape effect is also bad.
The aspects such as collateral security construction quality, reduction of erection time, reduction construction investment are considered, the general location of elevated bridge adopts simply supported beam, fabrication and erection method to construct usually.
Magnetic levitation track traffic and cross-saddle single-track traffic all belong to urban track traffic, and circuit exists the feature that sharp radius curve is many, continuous beam Controlling vertex is many.Double line box girder beam field is prefabricated complete after, utilize the bridge of having constructed as transport channel, be transported to bridge location rear frame member with Beam transportation vehicle in place.The double line box girder scale of construction is comparatively large, and beam body transportation rack device is by sharp radius curve difficulty, and Controlling vertex also may hinder beam transporting passage through, causes Bridge Erector repeatedly transition, and investment significantly increases, and affects the duration.The single line case beam scale of construction is less, and beam body can ground transport, adopts the methods such as automobile crane, crawler crane, gantry crane to set a roof beam in place, and beam body transport erection is more flexible, and constructing aims more easily realizes.
In sum, in current magnetic levitation track traffic and the existing beam type of cross-saddle single-track traffic, single line box girder construction is convenient, good economy performance, but there is the shortcomings such as circuit regular maintenance and rescue run difficulty, landscape effect be poor; Although double line box girder meets the needs of cable laying and maintenance, rescue run channel setting, circuit regular maintenance is fairly simple, there is constructional difficulties, duration longer, less economical problem.
So, find a kind of pattern rationally, easy construction, economy is good, landscape effect is good " embracing rail " formula track traffic track beam structure tool be of great significance.
Summary of the invention:
The present invention will for above-mentioned background technology Problems existing, provide that a kind of structure is simple, easy construction embrace rail magnetic levitation track traffic case beam, using function requirement can be met, there is good economy.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of armful rail magnetic levitation track traffic case beam, this case beam comprises top board, base plate and the web between described top board and described base plate, described top board, base plate and web are the shaping reinforced concrete structure of monobloc cast, described top board two side ends is provided with the boss for the evagination installing magnetic levitation track, and described base plate both sides are provided with the wing plate stretched out obliquely upward.
Preferably, the height of described wing plate is no more than top board surface.
Preferably, the top of described wing plate is provided with mounting platform, and described mounting platform is the boss structure that stretches out of horizontal direction laterally.
Preferably, described web is in tilted layout the both sides between described top board and described base plate respectively.
Preferably, described web is arranged vertically on the both sides between described top board and described base plate respectively.
Preferably, described wing plate is arc.
Preferably, described wing plate and described base plate are the shaping reinforced concrete structure of monobloc cast, described in be positioned at case beam two ends base plate bottom surface be provided with horizontal support face, described base plate bottom surface between case beam two ends and described wing plate external surface are in the arc be communicated with.
Beneficial effect of the present invention is:
Embrace rail magnetic levitation track traffic case beam to be provided with in the base plate both sides of case beam and outer choose and be highly no more than the wing plate of top board surface, can as cable laying passage inside wing plate, wing plate is set to arc, can be the arc of convex or concave, adapts to the needs of different place and engineering-environment.
Wing plate top is provided with mounting platform, mounting platform is set to the boss structure that horizontal direction is laterally stretched out, can be used for arranging human nature pavement, fire escape, allow passenger by fire escape emergency evacuation when vehicle generation accident, improve the ability that circuit tackles urgent emergency situations.Mounting platform can also be used for arranging the track traffic ancillary facilities such as access path, railing, noise barrier, semaphore, AP antenna, is of value to the regular maintenance of circuit.The wing plate of case beam gets on the right track to bridge, trackside equipment, cable etc. cover, and landscape effect obviously improves.
Base plate is communicated with wing plate curvedly makes moulding more attractive in appearance, and web alternative is arranged, and is set to one block of web, or two blocks of webs, and two blocks of webs can be set to straight web or skew web plate, and three kinds of modes can adapt to different engineering demands.The two ends of case beam base plate bottom surface are respectively arranged with horizontal support face, in order to by pile equipment on carrier.
The needs that the present invention runs for adapting to " embrace rail " formula rail transit train, meeting under the prerequisite that on structural strength and rigidity requirement and bridge, space place function requires, take into account economy, convenient construction, landscape effect.
Accompanying drawing explanation
Fig. 1 is Shanghai high speed Maglev rail beam 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 rail beam sectional view,
Fig. 4 is double line box girder sectional view,
Fig. 5 is the cross-sectional view of a Cell beam between the embodiment of the present invention one or two bridge pier,
Fig. 6 is the cross-sectional view that the embodiment of the present invention one case beam fine strain of millet end is installed on bridge pier place,
Fig. 7 is the cross-sectional view of a Cell beam between the embodiment of the present invention 2 two bridge piers,
Fig. 8 is the cross-sectional view that the embodiment of the present invention two casees beam fine strain of millet ends are installed on bridge pier place,
Fig. 9 is the structural representation that the embodiment of the present invention one is installed on bridge.
In figure:
1, top board, 2, base plate, 3, web, 4, wing plate, 5, horizontal support face, 6, bearing, 7, bridge pier, 8, boss, 9, mounting platform.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
Embodiment one, as shown in Figure 5 and Figure 6 a kind of armful of rail magnetic levitation track traffic case beam, this case beam comprises top board 1, base plate 2 and the web between top board 1 and base plate 23.The present embodiment arranges two blocks of webs 3, two blocks of webs 3 are arranged vertically on the both sides between top board 1 and base plate 2 respectively, two blocks of webs 3 are symmetrical arranged along the axis between top board 1 and base plate 2, and two blocks of webs 3 are rectangular with top board 1 junction, form the cavity of a cubic in the middle part of case beam.
Top board 1 two side ends is provided with the boss 8 for the evagination installing magnetic levitation track, and base plate 2 both sides are provided with the wing plate 4 stretched out obliquely upward, and the height of wing plate 4 is no more than top board 1 surface.
The cross section of wing plate 4 is arc, it is outer convex in the present embodiment, wing plate 4 and base plate 2 are the shaping reinforced concrete structure of monobloc cast, and base plate 2 bottom surface being positioned at case beam two ends is provided with horizontal support face 5, and base plate 2 bottom surface between case beam two ends and wing plate 4 external surface are in the arc be communicated with.In practice, wing plate 4 can also be the arc of indent, or linear pattern, but should be and hold the trackside equipment such as cable and leave spatial accommodation.
The top of wing plate 4 is provided with mounting platform 9, and mounting platform 9 is horizontal direction boss 8 structure of stretching out laterally.Here mounting platform 9 can be used for arranging human nature pavement, fire escape, allows passenger by fire escape emergency evacuation when vehicle generation accident, improves the ability that circuit tackles urgent emergency situations.Mounting platform 9 can also be used for arranging the track traffic ancillary facilities such as access path, railing, noise barrier, semaphore, AP antenna, is of value to the regular maintenance of circuit.
Between wing plate 4 and web 3, reinforcing rib, stiffening girder can also be set, in order to strengthen the weight capacity of wing plate 4, but various reinforcement structure should be simultaneously hold trackside equipment leave enough spaces or space.Top board 1, base plate 2 and web 3 is the shaping reinforced concrete structure of monobloc cast.The bottom surface of top board 1 can also arrange top board 1 crossbeam and base plate 2 crossbeam, in order to strengthen the intensity of top board 1, strengthens case beam to the supporting capacity of track and safety factor.
Embodiment two as shown in Fig. 7 to Fig. 8, the rail magnetic levitation track traffic case beam of embracing of the present embodiment comprises two blocks of webs 3, the both sides be in tilted layout respectively between top board 1 and base plate 2, two blocks of webs 3 are symmetrical arranged along the axis between top board 1 and base plate 2, between web 3 and top board 1 in obtuse angle, in the middle part of case beam, a ladder cavity is formed.Other arrange all identical with embodiment one.
Multiple case beam docks formation rail beam vertically and is placed on bridge pier 7 by adjacent two casees beam joints, and base plate 2 bottom surface being positioned at case beam two ends is provided with horizontal support face 5, and the horizontal support face 5 at case beam two ends is placed on bridge pier 7 by bearing 6.
The beam body scale of construction of the present invention is less, adopts the construction of fabrication and erection method, and the transport of beam body and erection are conveniently.
As shown in Figure 9, case beam of the present invention, meeting under the prerequisite that on structural strength and rigidity requirement and bridge, space place function requires, takes into account economy, convenient construction, landscape effect, has adapted to the needs that " embracing rail " formula rail transit train runs.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. embrace rail magnetic levitation track traffic case beam for one kind, the web (3) that this case beam comprises top board (1), base plate (2) and is positioned between described top board (1) and described base plate (2), described top board (1), base plate (2) and web (3) are the shaping reinforced concrete structure of monobloc cast, described top board (1) two side ends is provided with the boss (8) for the evagination installing magnetic levitation track, it is characterized in that: described base plate (2) both sides are provided with the wing plate (4) stretched out obliquely upward.
2. one according to claim 1 embraces rail magnetic levitation track traffic case beam, it is characterized in that: the height of described wing plate (4) is no more than top board (1) surface.
3. one according to claim 1 embraces rail magnetic levitation track traffic case beam, it is characterized in that: the top of described wing plate (4) is provided with mounting platform (9), described mounting platform (9) is the boss structure that stretches out of horizontal direction laterally.
4. one according to claim 1 embraces rail magnetic levitation track traffic case beam, it is characterized in that: described web (3) is in tilted layout the both sides between described top board (1) and described base plate (2) respectively.
5. one according to claim 1 embraces rail magnetic levitation track traffic case beam, it is characterized in that: described web (3) is arranged vertically on the both sides between described top board (1) and described base plate (2) respectively.
6. the one according to claim arbitrary in claim 1-5 embraces rail magnetic levitation track traffic case beam, it is characterized in that: described wing plate (4) is arc.
7. one according to claim 6 embraces rail magnetic levitation track traffic case beam, it is characterized in that: described wing plate (4) and described base plate (2) are the shaping reinforced concrete structure of monobloc cast, described base plate (2) bottom surface being positioned at case beam two ends is provided with horizontal support face (5), and described base plate (2) bottom surface between case beam two ends and described wing plate (4) external surface are in the arc be communicated with.
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 |
|---|---|---|---|
| CN201410712261.6A CN104594173B (en) | 2014-11-28 | 2014-11-28 | One kind embraces rail magnetic levitation track traffic box beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594173A true CN104594173A (en) | 2015-05-06 |
| CN104594173B CN104594173B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912004A (en) * | 2015-06-25 | 2015-09-16 | 中铁第四勘察设计院集团有限公司 | Hold rail-type track transportation bridge evacuation maintenance platform |
| CN105544371A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105544372A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105568838A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568839A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568789A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568788A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| 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 |
| 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 |
| CN110306387A (en) * | 2019-06-28 | 2019-10-08 | 上海交通大学 | The beam type composite orbit beam on the beam on magnetic flotation line road |
| 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 |
| CN114427177A (en) * | 2022-02-24 | 2022-05-03 | 中铁第四勘察设计院集团有限公司 | Magnetic suspension track beam |
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| NL9302269A (en) * | 1993-12-27 | 1995-07-17 | Colette Elisabeth Adeline Niem | Box girder and railway viaduct constructed therewith |
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Cited By (15)
| 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 |
| CN104912004A (en) * | 2015-06-25 | 2015-09-16 | 中铁第四勘察设计院集团有限公司 | Hold rail-type track transportation bridge evacuation maintenance platform |
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| CN105568788A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568839A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568789A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568838A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105544372A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105544371A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| WO2017101767A1 (en) * | 2015-12-17 | 2017-06-22 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic-levitation rail-wrap-type rail transit |
| WO2017101768A1 (en) * | 2015-12-17 | 2017-06-22 | 中铁第四勘察设计院集团有限公司 | Double-track beam for rail-wrap-type rail transit |
| 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 |
| CN110306387A (en) * | 2019-06-28 | 2019-10-08 | 上海交通大学 | The beam type composite orbit beam on the beam on magnetic flotation line road |
| 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 |
| CN114427177A (en) * | 2022-02-24 | 2022-05-03 | 中铁第四勘察设计院集团有限公司 | Magnetic suspension track beam |
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