CN1699692A - Superimposed rail beam for magnetic suspension traffic and method for manufacturing same - Google Patents
Superimposed rail beam for magnetic suspension traffic and method for manufacturing same Download PDFInfo
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- CN1699692A CN1699692A CN 200510027248 CN200510027248A CN1699692A CN 1699692 A CN1699692 A CN 1699692A CN 200510027248 CN200510027248 CN 200510027248 CN 200510027248 A CN200510027248 A CN 200510027248A CN 1699692 A CN1699692 A CN 1699692A
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Abstract
The magnetic levitation train traffic doubling-up railway beam and its manufacturing method of this invention includes the following: the load bearing mainstay of pre-stressed concrete, reinforced concrete railway plate steel structure with functioning capability on the upper layer; the features are holes in the middle of the railway rail plate, H shape steel at both ends at the bottom; on top of the load bearing beam are reserved steel bars for concrete reinforcement dipping in the holes of the railway rail plate for the uncut off reserved holes in the internal steel bar at the H shape steel of the railway rail plate; the pre-embedded steel plate are fixed in the holes with cement during installation; after the railway rail plates are accurately fixed in between the load bearing beam, cement is applied to the holes or the railway rail plates so as to form a rigid connection between the railway rail plates and the main beams; the H shape steel is linked with reserved steel plate so as to form a supporting connection with vertical movement at both ends along the railway rail plates. The present invention of railway rail beam facilitates easy construction procedure and process, the structure is simple, easy to install and regulate and thus the technical issue of de-mixing structure in the total length of process is resolved.
Description
Technical field
The present invention is about the building of railway, particularly about structure and its manufacture method of the rail beam of magnetic railway.
Background technology:
Gradually to diesel locomotive, electric locomotive development, the route that speed is also more and more high, very long has in the past shortened many times quickly, seems that the earth is diminishing by original steam vehicle, tram in track traffic, and the city is close mutually.But in the present informationalized epoch, people to up to 200 kilometers/time track traffic speed still feel not enough, so a kind of track traffic of novel concept---magnetic railway is also climbed up practical stage gradually from theoretical research.The train of magnetic railway is to be suspended in the track sky when advancing, there is not the machinery friction therebetween, the magnetic force promotion train that is produced by the linear motor rotor coil that is provided with in orbit advances, the time scooter more than 500 kilometers, for avoid with other land transportations intersect and safety for the purpose of, adopt the overhead railway pattern, substitute the track that lays by built on stilts rail beam on roadbed, its length is about 25 meters.Adopting at present more is the combined type rail beam that functor and prestressed concrete beam by steel work form by pre-buried connector, because magnetic-levitation train is the speed height not only, and the gap that suspends is little only about 10mm, this has just proposed very high required precision to the construction of circuit, exceeded the scope that general Civil Engineering Construction can reach, so this combined type rail beam ties up to after beam body concrete shrinkage and creep finishes, in factory, adopt the two milling-boring machines of five special coordinates to being embedded in the joint face of the connector in the concrete beam body, bolt hole, dowel hole is put in order the beam machine, and, need under the condition of constant temperature, carry out in order to guarantee the precision of machine and installation itself.For this reason need be at the magnetic railway system Liang Chang that sets up the large-scale computer processing plant that is provided with thermostatic equipment along the line; simultaneously the composite orbit beam from great, size long, bring a series of problems to its transportation and lifting again, as ability of protection, transportation and the hanging device of the reinforcings of road and bridge, member or the like.These all make the magnetic railway construction costs greatly be higher than the cost of general railway, have a strong impact on the penetration and promotion of magnetic floating traffic.
The problem that ZL01126832.8 number " track structure of high-speed rail transportation " patent of invention announcing on November 26th, 2003 exists at above-mentioned combined type rail beam, proposed numerous small-sized rail level member roads along the line, upper strata that are connected as a single entity by connector by functional areas steel member and body plate girder of reinforced concrete are vertically used by supporting girder steel, blowtorch, the bindiny mechanism that high-strength bolt and billet are formed is erected at the technical scheme on lower floor's main bearing beam, the track structure branch lower floor that this invention the makes original integral body large-size bearing girder and the upper strata of civil engineering technology required precision field fabrication routinely needs the accurately small-sized rail level member of processing of machinery, therefore greatly simplified the manufacture craft of rail beam, with to process equipment, place and requirements on transport, not only can save construction investment in a large number, can also accelerate construction progress, the support girder steel of this all steel bindiny mechanism is divided into the rigid support girder steel and the flexible support girder steel of different structure form again, non-yielding prop girder steel and flexible support girder steel have certain positional alignment again with respect to the rail level member on upper strata, this just makes the whole rail complex structure, manufacture difficulty is big, and has increased requirement of accurate adjustment mounting process and workload greatly.In addition, the lateral rigidity of the straight wall girder steel of its main bearing beam is less, has to adopt two interorbitals to add supporting traverse to improve stiffness.Therefore this track structure is not suitable for using on total track length, is only applicable to cross over local nodes such as medium and small river course.
Summary of the invention:
The object of the present invention is to provide a kind of superimposed rail beam for magnetic suspension traffic and manufacture method thereof, solve rail beam with both being convenient to construction and machine, simple in structure again, be beneficial to the hierarchy that adjusting can implement in the circuit length range and the technical problem of manufacturing are installed.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of superimposed rail beam for magnetic suspension traffic, comprising lower floor's prestressed concrete main bearing beam and epipelagic zone has the steel concrete track plate of functional areas steel member, it is characterized in that: after accurately locating between this track plate and this main bearing beam, this track plate longitudinal middle part forms by steel concrete and main bearing beam and is rigidly connected; Nearly its place, vertical two ends, bottom surface is connected on this main bearing beam by shaped steel, but forms the supporting connection of track plate along its two ends length travel.Saidly vertically be meant the direction parallel with circuit.
Preferably be provided with perforate at described track plate longitudinal middle part, described main bearing beam top is provided with the reserved steel bar that stretches in this track plate perforate, and concrete casting is in the perforate of this track plate.
Described shaped steel is H shaped steel preferably.
Described shaped steel can be embedded in the track plate.
Further, this main bearing beam top is provided with the preformed hole that inner reinforcing bar do not cut off corresponding to this track template steel place and is fixed in the pre-embedded steel slab at this preformed hole place when installing with concrete, and shaped steel is with being connected on this pre-embedded steel slab because of deciding part during installation.
Further, this pre-embedded steel slab has WELDING STUDS.
This pre-embedded steel slab also can have trimming bolt, is used to regulate the setting height(from bottom) of shaped steel.
On each main bearing beam along the line the road direction adorn a plurality of track plates.
The perforate number of described track plate can be several, and is transversely arranged, saidly laterally is meant the direction vertical with circuit.
It is vertical with line direction respectively that this shaped steel and pre-embedded steel slab can be arranged to, and this shaped steel lower end surface is connected and fixed on nut on the pre-sunk screw of pre-embedded steel slab, forms by the bending deformed supporting of shaped steel web to connect.
This shaped steel also can be arranged to parallel with line direction, but this shaped steel is connected with the supporting that pre-embedded steel slab forms length travel by spring secures rail to sleeper with screw.
As required, nearly its place, vertical two ends, this track plate bottom surface is provided with the horizontal wall inscription vertical with line direction, and this shaped steel is located on this horizontal wall inscription.
Corresponding with above-mentioned rail beam, the present invention also provides the manufacture method of this rail beam, mainly may further comprise the steps: make the steel concrete track plate have functional areas steel member, be reserved with perforate at the longitudinal middle part of this track plate, nearly its place, vertical two ends, bottom surface is provided with shaped steel; Make the prestressed concrete main bearing beam, remain for stretching into the reinforcing bar in this opening in the position of its top respective carter plate opening in advance; The track plate is superimposed on main bearing beam, the reserved steel bar of main bearing beam extend into the track plate really in the opening, to accurately locate between track plate and the main bearing beam, then with concrete casting in the opening of this track plate, make in the middle of the track plate and main bearing beam between form and be rigidly connected; Described shaped steel is connected on the main bearing beam, but forms of the supporting connection of track plate along its two ends length travel.
The present invention has following advantage:
1. large-scale prestressed concrete main bearing beam can site prefabrication, not only can reduce the floor space of system Liang Chang, and save many transporting and hoisting work.
2. the track board size is much smaller than main bearing beam, both reduced mach difficulty and to the requirement of process equipment, also reduced the scale of place area occupied and machine shop; And the track plate can be used as standard component and carries out mass production, not only can guarantee frame worker's precision, can further promote the decline of cost of production again.
3. the track plate is in light weight, and the deadweight of main bearing beam also greatly reduces, thereby has reduced the difficulty of on-site hoisting and to the requirement of capacity of equipment.
4. the connected mode of the structure of track plate and main bearing beam and they is simple, operate easy to adjustly, and the relation between the Liang Yuliang can be carried out accurate adjustment by bearing, so is more suitable for circuit and adopts completely.
5. main bearing beam adopts prestressed reinforcement to mix soil structure, can satisfy its lateral rigidity requirement fully, needn't establish the curb girder supplementary structure in addition.
6. can reduce magnetic railway path construction cost significantly, be beneficial to electromagnetic suspension technology is used on the main line of growing up.
Description of drawings:
Fig. 1 is an elevational schematic view of the present invention.
Fig. 2 is a floor map of the present invention.
Fig. 3 is an A-A cross-sectional schematic among Fig. 1.
Fig. 4 is the B-B cross-sectional schematic among Fig. 1.
Fig. 5 is the trimming bolt structural representation of pre-embedded steel slab.
Fig. 6 is the track plated construction schematic diagram that is provided with the horizontal wall inscription structure.
Fig. 7 is the main bearing beam structural representation.
Fig. 8 is another supporting construction schematic diagram of H shaped steel.
Fig. 9～Figure 10 is spring secures rail to sleeper cross section and plan view.
The specific embodiment:
The present invention as depicted in figs. 1 and 2, it comprises the prestressed concrete main bearing beam 2 of lower floor and is positioned at the steel concrete track plate 1 that epipelagic zone has functional areas steel member.The functional areas of these track plate 1 both sides are embedded with steel members such as guide plate 13 (referring to Fig. 3 and Fig. 4), side guide strip 11 and stator fixture 12, its middle part is provided with several perforates 4, this perforate 4 can be 2 as shown in the figure, by transversely arranged, or a horizontal whole hole; Or more transversely arranged monomer hole; Place, nearly two ends, its bottom surface is provided with the H shaped steel 3 perpendicular to rail beam direction (promptly vertical) respectively, and this H shaped steel 3 is fixedlyed connected with track plate 1 by the pre-buried WELDING STUDS 31 on its end face.This guide plate 13, side guide strip 11 and stator fixture 12 also can be integrally welded after, link to each other with track plate 1 by pre-buried connector.
Perforate 4 places at main bearing beam 2 end face respective carter 1 middle part of prestressed concrete are provided with the embedded bar 9 (referring to Fig. 7) to upper process, and are provided with preformed hole 7 corresponding to H shaped steel 3 places of track plate 1, and the prestressed reinforcement in this preformed hole 7 does not cut off.Be provided with the pre-embedded steel slab 6 that is connected with H shaped steel 3 with pre-embedded bolt 5 at these preformed hole 7 places, this pre-embedded steel slab 6 passes through WELDING STUDS 31 on its bottom surface and pre-embedded bolt 5 the fixedlying connected of the realization of concrete perfusion slurry and main bearing beam 2 in preformed hole 7.Because the pre-embedded steel slab 6 that is positioned at both sides is mainly used in the vertical position of buffer rail guidance tape 1, except that available pad is regulated, also can finely tune with trimming bolt shown in Figure 58, after meeting the requirements, can be with bolt top and the 3 bottom spot welding of H shape steel, owing to reduce steel plate setting and back-grouting, therefore the engineering time significantly reduces, simultaneously do not need the pad adjustment, efficiency of construction obviously improves, and the expense expenditure does not also increase.
Mach track plate 1 its perforate 4 is inserted in reserved steel bar 9 places, after accurately locating, poured concrete slurry in perforate 4, make them realize the fixedly connected of rigidity, track plate 1 two ends then are bearing on the pre-embedded steel slab 6 of main bearing beam 2 end faces by H shaped steel 3, because the web of this H shaped steel 3 is thin, has the certain elastic deformation ability, so thermal stresses that relative deformation caused that produces because of temperature difference between track plate 1 and the main bearing beam 2, can obtain by the elastic deformation of H shaped steel 3 webs discharging, the relative deformation between rail beam horizontal (Y) and vertical (Z) track plate 1 and main bearing beam 2 then is subjected to strict restriction.
Centrifugal force when turning for the balance train, rail beam need have certain lateral inclination, and the present invention is to being provided with horizontal wall inscription 14 (referring to Fig. 6) in the track plate 1 ' bottom surface that is laid in the circuit turning, and 3 of this H shaped steel are positioned on this horizontal wall inscription 14.
See also Fig. 8～shown in Figure 10, the present invention can vertically be arranged on H shaped steel 3 roads along the line near track plate 1 two ends, spring secures rail to sleeper 10 fastenings that 3 times cause railways of H shaped steel this moment path is used always are on pre-embedded steel slab 6, this fastener 10 allows H shaped steel 3 vertically to produce certain displacement at circuit, with release temperature stress, and the displacement of the horizontal, vertical direction in road along the line is subjected to strict restriction.When H shaped steel 3 vertically is provided with, usually at the parallel H shaped steel 3 that two weak points are set symmetrically of track plate 1 every end with circuit; But also long H shaped steel 3 can be set in the middle of every end, the pre-embedded steel slab 6 on the main bearing beam 2 also should correspondingly longitudinally be arranged on the main bearing beam 2 at this moment.
The present invention has preferably used H shaped steel to make the supporting girder steel in the foregoing description, but also can adopt shaped steel such as channel-section steel, square steel to support girder steel, the perhaps tabular steel member described in DE197354811C number German patent of invention, their multipotencys satisfy the needs of supporting girder steel of the present invention.Therefore, these all are within protection scope of the present invention in the change in shape of supporting girder steel.
Claims (25)
1, a kind of superimposed rail beam for magnetic suspension traffic, comprising the lower floor's top prestressed concrete amount of holding girder and epipelagic zone has the steel concrete track plate of functional areas steel member, it is characterized in that: after accurately locating between this track plate and this main bearing beam, this track plate longitudinal middle part forms by steel concrete and main bearing beam and is rigidly connected; Nearly its place, vertical two ends, bottom surface is connected on this main bearing beam by shaped steel, but forms the supporting connection of track plate along its two ends length travel.
2, superimposed rail beam for magnetic suspension traffic according to claim 1, its spy is: described shaped steel is H shaped steel.
3, superimposed rail beam for magnetic suspension traffic according to claim 1 is characterized in that; Described track plate longitudinal middle part is provided with perforate, and described main bearing beam top is provided with the reserved steel bar that stretches in this track plate perforate, and concrete casting is in the perforate of this track plate.
4, superimposed rail beam for magnetic suspension traffic according to claim 3 is characterized in that: described shaped steel is H shaped steel.
5, superimposed rail beam for magnetic suspension traffic according to claim 4 is characterized in that: described H shaped steel is embedded in the track plate.
6, superimposed rail beam for magnetic suspension traffic according to claim 5, it is characterized in that: this main bearing beam top is provided with the preformed hole that inner reinforcing bar do not cut off corresponding to this track plate H shaped steel place and is fixed in the pre-embedded steel slab at this preformed hole place when installing with concrete, with fixture H shaped steel is connected on this pre-embedded steel slab during installation.
7, superimposed rail beam for magnetic suspension traffic according to claim 6 is characterized in that: this pre-embedded steel slab has WELDING STUDS.
8, superimposed rail beam for magnetic suspension traffic according to claim 6 is characterized in that: this pre-buried steel has the trimming bolt that is used to regulate H shaped steel setting height(from bottom).
9, according to the described superimposed rail beam for magnetic suspension traffic of one of claim 1～8, it is characterized in that; Each main bearing beam upper edge line direction is equipped with a plurality of track plates.
10, according to the described superimposed rail beam for magnetic suspension traffic of one of claim 3～8, it is characterized in that: the perforate number of described track plate is several, and is transversely arranged.
11, according to the described superimposed rail beam for magnetic suspension traffic of one of claim 1～8, it is characterized in that: nearly its place, vertical two ends, this track plate bottom surface is provided with the horizontal wall inscription vertical with line direction, and this shaped steel is located on this horizontal wall inscription.
12, according to the described superimposed rail beam for magnetic suspension traffic of one of claim 1～8, it is characterized in that: this shaped steel is vertical with line direction, this shaped steel lower end surface is connected and fixed on nut on the pre-sunk screw of main bearing beam, forms by the flexible shifting ground supporting of shaped steel web to connect.
13, superimposed rail beam for magnetic suspension traffic according to claim 12 is characterized in that; Nearly its place, vertical two ends, this track plate bottom surface is provided with the horizontal wall inscription vertical with line direction, and this shaped steel is located on this horizontal wall inscription.
14, according to the described superimposed rail beam for magnetic suspension traffic of one of claim 1～8, it is characterized in that; This shaped steel is parallel with line direction, but this shaped steel is connected with the supporting that the pre-embedded steel slab of main bearing beam forms length travel by spring secures rail to sleeper with screw.
15, superimposed rail beam for magnetic suspension traffic according to claim 14 is characterized in that: nearly its place, vertical two ends, this track plate bottom surface is provided with the horizontal wall inscription vertical with line direction, and this shaped steel is located on this horizontal wall inscription.
16, a kind of manufacture method that is used for the described superimposed rail beam for magnetic suspension traffic of claim 1 may further comprise the steps:
Manufacturing has the steel concrete track plate of functional areas steel member, is reserved with perforate at the longitudinal middle part of this track plate, and nearly its place, vertical two ends, bottom surface is provided with shaped steel;
Make the prestressed concrete main bearing beam, remain for stretching into the reinforcing bar in this opening in the position of its top respective carter plate opening in advance;
The track plate is superimposed on main bearing beam, the reserved steel bar of main bearing beam extend in the opening of track plate, to accurately locate between track plate and the main bearing beam, then with concrete casting in the opening of this track plate, make in the middle of the track plate and main bearing beam between form and be rigidly connected;
Described shaped steel is connected on the main bearing beam, but forms of the supporting connection of track plate along its two ends length travel.
17, method according to claim 16 is characterized in that: when making the track plate described shaped steel is embedded in the track plate.
18, method according to claim 17, it is characterized in that: corresponding to this track template steel place the preformed hole that inner reinforcing bar does not cut off is set at this main bearing beam top when making main bearing beam, earlier pre-embedded steel slab is fixed in this preformed hole place during installation, with fixture shaped steel is connected on this pre-embedded steel slab then with concrete.
19, method according to claim 18 is characterized in that; Being used in the WELDING STUDS that is provided with on the pre-embedded steel slab and pre-embedded bolt realizes and the fixedlying connected of main bearing beam.
20, method according to claim 19 is characterized in that: the setting height(from bottom) of regulating shaped steel with the trimming bolt that is provided with on the pre-embedded steel slab.
21, according to the described method of claim 16～20, it is characterized in that: the horizontal wall inscription road along the line vertical direction that will be connected with shaped steel is arranged near its in this track plate bottom surface and locates at two ends longitudinally.
22, according to the described method of claim 16～20, it is characterized in that: this shaped steel is connected and fixed on this shaped steel lower end surface on the pre-sunk screw of main bearing beam with nut along the direction setting vertical with line direction.
23, method according to claim 22 is characterized in that: the horizontal wall inscription road along the line vertical direction that will be connected with shaped steel is arranged near its in this track plate bottom surface and locates at two ends longitudinally.
24, according to the described method of claim 16～20, it is characterized in that: this shaped steel is connected this shaped steel by spring secures rail to sleeper with screw along the direction setting parallel with line direction with the pre-embedded steel slab of main bearing beam.
25, method according to claim 24 is characterized in that: the horizontal wall inscription road along the line vertical direction that will be connected with shaped steel is arranged near its in this track plate bottom surface and locates at two ends longitudinally.
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| CNB2005100272488A CN1317454C (en) | 2005-06-29 | 2005-06-29 | Superimposed rail beam for magnetic suspension traffic and method for manufacturing same |
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| CNB2005100272488A CN1317454C (en) | 2005-06-29 | 2005-06-29 | Superimposed rail beam for magnetic suspension traffic and method for manufacturing same |
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| CN1699692A true CN1699692A (en) | 2005-11-23 |
| CN1317454C CN1317454C (en) | 2007-05-23 |
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Cited By (12)
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| CN103352400A (en) * | 2013-07-25 | 2013-10-16 | 成都市新筑路桥机械股份有限公司 | Prefabricated embedded type rail plate |
| CN104480810A (en) * | 2014-12-11 | 2015-04-01 | 中铁第四勘察设计院集团有限公司 | Medium-and-low speed magnetic levitation railway low route continuous framework type bearing rail beam structure and construction method |
| CN107246094A (en) * | 2017-02-21 | 2017-10-13 | 铁道第三勘察设计院集团有限公司 | A kind of overlapping reinforced concrete slab structure and preparation method for bearing heavy duty |
| CN108221510A (en) * | 2018-02-11 | 2018-06-29 | 北京交通大学 | A kind of magnetic levitation track girder |
| CN108221511A (en) * | 2018-02-11 | 2018-06-29 | 北京交通大学 | A kind of magnetic floating traffic gapless track |
| CN108277704A (en) * | 2018-01-05 | 2018-07-13 | 中铁工程设计咨询集团有限公司 | A kind of straddle-type monorail composite bridge track and its construction method |
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| CN110004779A (en) * | 2019-04-11 | 2019-07-12 | 中铁磁浮交通投资建设有限公司 | A kind of beam rail integration medium-and low-speed maglev track girder containing π type track |
| CN110195385A (en) * | 2019-06-28 | 2019-09-03 | 上海交通大学 | A kind of staked type track girder for magnetic suspension route |
| 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 |
| CN114381974A (en) * | 2021-11-08 | 2022-04-22 | 中铁二院工程集团有限责任公司 | Buckle plate type frame high-speed magnetic suspension track structure and construction method thereof |
| CN115110352A (en) * | 2022-07-01 | 2022-09-27 | 中铁二院工程集团有限责任公司 | Normally-conductive high-speed magnetic suspension track system and installation method thereof |
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| US6782832B2 (en) * | 2000-09-12 | 2004-08-31 | Dieter Reichel | Support for a track-guided high-speed vehicle |
| CN1128899C (en) * | 2001-09-21 | 2003-11-26 | 上海磁悬浮交通发展有限公司 | Rail structure of high-speed rail transportation |
| CN1127593C (en) * | 2001-11-01 | 2003-11-12 | 上海磁悬浮交通发展有限公司 | Technology for manufacturing track beam of magnetic suspension or tracked railway |
| DE10339616A1 (en) * | 2003-08-28 | 2005-03-24 | Walter Bau-Ag | Foundation blocks for magnetic levitation railway track have steel-reinforced triangular concrete blocks |
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| CN103352400A (en) * | 2013-07-25 | 2013-10-16 | 成都市新筑路桥机械股份有限公司 | Prefabricated embedded type rail plate |
| CN104480810A (en) * | 2014-12-11 | 2015-04-01 | 中铁第四勘察设计院集团有限公司 | Medium-and-low speed magnetic levitation railway low route continuous framework type bearing rail beam structure and construction method |
| CN104480810B (en) * | 2014-12-11 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Low circuit continuous frame formula support rail girder construction and the construction method thereof of putting of middle low speed magnetic suspension |
| CN107246094B (en) * | 2017-02-21 | 2023-07-21 | 中国铁路设计集团有限公司 | Superposed reinforced concrete slab structure capable of bearing heavy load and manufacturing method |
| CN107246094A (en) * | 2017-02-21 | 2017-10-13 | 铁道第三勘察设计院集团有限公司 | A kind of overlapping reinforced concrete slab structure and preparation method for bearing heavy duty |
| CN108277704A (en) * | 2018-01-05 | 2018-07-13 | 中铁工程设计咨询集团有限公司 | A kind of straddle-type monorail composite bridge track and its construction method |
| CN108277704B (en) * | 2018-01-05 | 2023-08-08 | 中铁工程设计咨询集团有限公司 | Straddle type monorail combined bridge rail bearing platform and construction method thereof |
| CN108221510A (en) * | 2018-02-11 | 2018-06-29 | 北京交通大学 | A kind of magnetic levitation track girder |
| CN108221511A (en) * | 2018-02-11 | 2018-06-29 | 北京交通大学 | A kind of magnetic floating traffic gapless track |
| CN109914163A (en) * | 2019-03-14 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of magnetic of Prefabricated slab type floats composite orbit structure and its construction method |
| CN109914163B (en) * | 2019-03-14 | 2024-01-05 | 中铁二院工程集团有限责任公司 | Prefabricated plate type magnetic levitation composite track structure and construction method thereof |
| CN110004779A (en) * | 2019-04-11 | 2019-07-12 | 中铁磁浮交通投资建设有限公司 | A kind of beam rail integration medium-and low-speed maglev track girder containing π type track |
| 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 |
| CN110195385A (en) * | 2019-06-28 | 2019-09-03 | 上海交通大学 | A kind of staked type track girder for magnetic suspension route |
| CN114381974A (en) * | 2021-11-08 | 2022-04-22 | 中铁二院工程集团有限责任公司 | Buckle plate type frame high-speed magnetic suspension track structure and construction method thereof |
| CN115110352A (en) * | 2022-07-01 | 2022-09-27 | 中铁二院工程集团有限责任公司 | Normally-conductive high-speed magnetic suspension track system and installation method thereof |
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