CN108951318B - Drainage structure between low-level structure section lines of magnetic levitation track traffic - Google Patents
Drainage structure between low-level structure section lines of magnetic levitation track traffic Download PDFInfo
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- CN108951318B CN108951318B CN201810965727.1A CN201810965727A CN108951318B CN 108951318 B CN108951318 B CN 108951318B CN 201810965727 A CN201810965727 A CN 201810965727A CN 108951318 B CN108951318 B CN 108951318B
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- drainage
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- magnetic levitation
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- 238000005339 levitation Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000010410 layer Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 21
- 239000011241 protective layer Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000004567 concrete Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/008—Drainage of track
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses a drainage structure between sections of a low-lying structure of magnetic levitation track traffic, which comprises drainage layers (3) and transverse drainage channels (4), wherein the drainage layers (3) are arranged between track beam bases (10), the drainage layers (3) extend to two sides to cover the top surfaces of the track beam bases (10), the top surfaces of the drainage layers (3) are arranged as drainage transverse slopes (6) with the height higher than the heights of two sides of a track at the center line of a road surface, road surfaces with inclined lines and two sides are formed, the transverse drainage channels (4) are arranged at expansion joints (7) of the track beams, the height of one side of each transverse drainage channel close to the lines is higher than the height of the outer sides of the track, and the drainage channels are used for enabling catchment water between the lines to be discharged to two sides of road shoulders through the transverse drainage channels (4) after passing through the drainage transverse slopes (6) from the center of the road surface. The drainage structure between the sections of the low-lying structure of the magnetic levitation track traffic realizes drainage between the sections on the basis of avoiding large-scale excavation, and has short construction period and easy maintenance.
Description
Technical Field
The invention belongs to the technical field of magnetic levitation track traffic, and particularly relates to a drainage structure between sections of a low-arranged structure of magnetic levitation track traffic.
Background
When the low-lying structural section of the magnetic levitation track traffic is double lines, as the two line track beams are arranged along the line direction in a through length mode, the structural height is higher than a road base surface, and catchments between the lines cannot be discharged to two sides of the line.
In the prior art, drainage is carried out by arranging a line-to-line ditch in a magnetic levitation fast line, and the specific scheme of drainage is as follows: the center of the road base surface is provided with a drainage ditch of 0.4 multiplied by 0.6m, catchment between the catchments is led into the drainage ditch between the road base surfaces, one water collecting well is longitudinally arranged every 50m, the cross section size of the water collecting well is 0.6 multiplied by 0.7m, then a galvanized steel pipe with the inner diameter of 150mm is adopted, and catchments in the water collecting well are led into the side ditch or the drainage ditch according to a 4% drainage transverse slope.
But the use of the inter-line drainage scheme has the following disadvantages: 1. the inter-line ditches and the water collecting well are needed to be implemented after the roadbed construction is finished, foundation pits are needed to be cut or excavated in the roadbed structure during implementation, larger disturbance is generated on the roadbed structure, and galvanized steel pipes are needed to be pre-buried and have certain interference on roadbed filling construction; 2. the interline ditches and the water collecting wells are of reinforced concrete structures, the engineering investment is large, site reinforcement binding, formwork erection, concrete pouring, maintenance and the like are needed, the construction process is complex, and the construction period is long; 3. the water collecting well and the galvanized steel pipe are generally not less than 1.5m below the embedded road surface, and are not easy to overhaul in the operation process; 4. in order to ensure that the drainage in the galvanized pipe is discharged into the side ditch, the elevation of the bottom of the side ditch needs to be deepened, so that the excavation depth of the cutting section is increased, and the earth and stone engineering and investment are increased.
Disclosure of Invention
In order to meet the above defects or improvement demands of the prior art, the invention provides a drainage structure between sections of a low-arranged structure of magnetic levitation track traffic, wherein a protective layer is arranged between track beam bases, drainage layers inclining towards two sides are arranged on the protective layer, the slope structure of the drainage layers enables accumulated water to flow towards two sides, and in addition, transverse drainage channels are arranged at expansion joints of the track beams and are arranged to be discharged to road shoulders at two sides. The method can effectively avoid larger interference to the roadbed engineering after construction, and has the advantages of simple construction process, short construction period, engineering investment, easy overhaul and maintenance and the like.
In order to achieve the above purpose, the invention provides a drainage structure between sections of a low-level structure of magnetic levitation track traffic, comprising a drainage layer and a transverse drainage channel;
the drainage layers are arranged between the track beam bases, extend to two sides to cover the top surfaces of the track beam bases, and are arranged as drainage transverse slopes with the heights higher than the heights of the two sides of the track at the center line of a road surface to form road surfaces with the lines inclined to the two sides;
the transverse drainage channel is arranged at the expansion joint of the track beam, and the height of one side of the transverse drainage channel, which is close to the line, is higher than the height of the outer side of the track, and is used for enabling catchments between the line to be discharged to road shoulders at two sides through the transverse drainage channel after passing through the transverse drainage slope from the center of the road base surface.
Further, a water retaining boss is arranged on one side, close to the line, of the transverse drainage channel at the downstream of the line-to-line catchment.
Further, the bottom of drainage blanket is equipped with the waterproof layer, just the waterproof layer extends to both sides behind the top surface of track roof beam base continues upwards to extend the laminating track roof beam vertical boundary setting, its terminal laminating is located the top surface of drainage blanket.
Further, a protective layer is arranged at the bottom of the waterproof layer and is arranged between the track beam bases,
further, the drainage layers are provided with an expansion joint of the drainage layers at equal intervals along the track running direction, and joint filling materials are arranged in the joint.
Further, waterproof paint is arranged at the lap joint of the drainage layer and the track beam.
Further, the gradient of the drainage cross slope and the transverse drainage channel is not less than 2%.
Further, joint filling materials are arranged in gaps between the track beam bases.
Further, the caulking material is made of waterproof materials such as asphalt hemp, polyurethane and the like.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) According to the drainage structure between the sections of the low-structure magnetic levitation rail transit, the protection layers are arranged between the rail beam bases and are used for filling the height difference between the rail beam bases and the road base surfaces, the drainage layers which incline to two sides are arranged on the protection layers, the slope structures of the drainage layers enable accumulated water to flow to two sides, and in addition, the transverse drainage channels are arranged at the expansion joints of the rail beams and can drain water between the sections to road shoulders on two sides. The method can effectively avoid larger interference to the roadbed engineering after construction, and has the advantages of simple construction process, short construction period, engineering investment, easy overhaul and maintenance and the like.
(2) According to the drainage structure between the sections of the low-level structure of the magnetic levitation track traffic, the waterproof layer is arranged between the protective layer and the drainage layer, extends from the position between the protective layer and the drainage layer to the position between the top surface of the track beam base and the drainage layer, and bends upwards to be closely attached to the vertical boundary of the track beam so as to fill the space between the track beam and the drainage layer, and water flowing to the two sides on the drainage ramp is prevented from flowing backwards and leaking into the space between the drainage layer and the protective layer to affect the drainage effect and the service life of the whole structure.
(3) According to the drainage structure between the sections of the low-lying structure of the magnetic levitation track traffic, the water retaining boss can be arranged at the drainage channel of the downstream of catchment in the large longitudinal slope section, and the water retaining boss is preferably triangular or circular arc-shaped, so that catchment is ensured to be discharged into the drainage channel after meeting interception at the position of the water retaining boss.
Drawings
FIG. 1 is a schematic structural view of a cross section of a drainage structure between sections of a low-level structure of a magnetic levitation track traffic according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of a drainage structure between sections of a low-level structure of a magnetic levitation track traffic according to an embodiment of the present invention;
FIG. 4 is a schematic plan view showing the drainage flow direction of a drainage structure between general section lines in an embodiment of the present invention;
fig. 5 is a schematic plan view showing a drainage flow direction of a drainage structure between large longitudinal slope sections in an embodiment of the present invention.
Like reference numerals refer to like structures or elements throughout, and wherein: 1-protective layer, 2-waterproof layer, 3-drainage layer, 4-horizontal drainage channel, 5-manger plate boss, 6-drainage lateral slope, 7-track expansion joint, 8-waterproof coating, 9-track roof beam, 10-track roof beam base.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Fig. 1 is a schematic structural diagram of a cross section of a drainage structure between sections of a low-level structure of a magnetic levitation track traffic according to an embodiment of the present invention. Fig. 2 is an enlarged view at a in fig. 1. As shown in fig. 1 and 2, in the two-line low-structure section of the magnetic levitation track traffic, the track beams 9 are arranged on two sides along the direction of the line, the height of the track beams 9 is higher than that of the road base surface, and the track beams 9 on two sides enable catchments among the lines not to be discharged to two sides of the line, so that the catchments among the lines can have bad influence on the magnetic levitation track;
a protective layer 1 is arranged between the rail beam bases 10 on the two sides, and the top surface of the protective layer 1 is level with the road surface and the top surface of the base; preferably, the thickness of the protective layer is 4 cm-6 cm, most preferably 5cm; further, the protective layer is made of a concrete material, wherein the concrete is most preferably fine stone concrete. The gap between the track beam bases 10 on two sides is filled through the arrangement of the protection layer 1, so that a structural foundation is provided for solving the problem of drainage between wires.
A drainage layer 3 is arranged between the track beams 9 at the two sides, the drainage layer 3 is arranged on the protective layer 1 and extends to the top surfaces of the track beam bases 10 at the two sides, the top surface of the drainage layer 3 is provided with a drainage transverse slope 6, the drainage transverse slope 6 is of a slope structure, a structure with a certain gradient is formed on the two sides of a road base surface central line towards the two sides of a line, namely, a structure with the central line higher than the two sides is formed, so that catchments between the lines flow to the two sides, and water accumulation is avoided from being formed by gathering between the lines;
preferably, the slope of the centerline of the road surface to the sides of the line is not less than 2% so that the catchment between the lines flows to the sides.
Further, the drainage layer 3 is made of concrete, and most preferably made of fiber concrete.
A waterproof layer 2 is arranged between the protective layer 1 and the drainage layer 3, the waterproof layer 2 extends from the position between the protective layer 1 and the drainage layer 3 to the position between the top surface of the track beam base 10 and the drainage layer, and bends upwards to be closely attached to the vertical boundary of the track beam 9 so as to be filled between the track beam 9 and the drainage layer 3, and water flowing to the two sides on the drainage cross slope 6 is prevented from flowing backwards and leaking into the position between the drainage layer 3 and the protective layer 1, so that the drainage effect and the service life of the integral structure are influenced; further, the water drainage layer 3 both ends are buckled and attached at the top surface of water drainage layer 3, realize better water-proof effects.
Preferably, the waterproof layer is made of waterproof materials such as waterproof coiled materials, waterproof coatings and the like, but the waterproof materials are not limited to the waterproof coiled materials and the waterproof materials capable of realizing the waterproof at the waterproof layer are all in the protection scope of the scheme.
Further, the waterproof coating 8 is arranged at the lap joint of the drainage layer 3 and the track beam 9, so that water flowing to two sides on the drainage ramp 6 is further prevented from flowing backwards and leaking between the drainage layer 3 and the protection layer 1. The waterproof coating 8 is preferably made of polyurethane material, but is not limited to polyurethane material, and other waterproof coatings are also within the protection scope of the scheme.
The water drainage layer 3 is provided with a water drainage layer expansion joint along the length direction at certain intervals, the water drainage layer expansion joint is used for adapting to the deformation of the water drainage layer under the action of temperature and load, and the water drainage layer expansion joint is filled with a joint filling material, and the joint filling material is preferably made of polyurethane.
Preferably, the expansion joints of the drainage layer are arranged at intervals of 4 m.
Fig. 3 is a schematic structural diagram of a drainage structure between sections of a low-level structure of a magnetic levitation track traffic according to an embodiment of the present invention. Fig. 4 is a schematic plan view showing a drainage flow direction of a drainage structure between general sections in an embodiment of the present invention. As shown in fig. 3 and 4, the track beams 9 are provided with track expansion joints 7 along the same distance of the running direction, the track beams 9 on two sides are provided with the same track expansion joints 7, the track expansion joints 7 on two sides are oppositely arranged, the positions of the track expansion joints 7 are provided with transverse drainage channels 4, the transverse drainage channels 4 on two sides are all arranged as ramps, and the height of one side close to the line is higher than that of the ramp on the outer side of the track, so that water on the drainage layer 3 flows to two sides along the transverse drainage channels 4. The method can effectively avoid larger interference to the roadbed engineering after construction, and has the advantages of simple construction process, short construction period, engineering investment, easy overhaul and maintenance and the like. The popularization and application of the structure can obtain good economic benefit and social benefit.
Preferably, the gradient of the lateral drainage channel 4 is not less than 2%.
Preferably, the transverse drainage channel 4 is plastered by cement mortar 6, wherein a gap between the transverse drainage channel 4 and the track beam 9 is filled by a caulking material.
Further, the caulking material is made of waterproof materials such as asphalt hemp, polyurethane and the like.
In this embodiment, catchments between the lines are discharged from the center of the base surface to both sides and then discharged to both side shoulders via the drainage passages 4 between the rail beams 9, and then discharged to both side drainage ditches or side ditches via the shoulders.
In addition, as shown in fig. 5, a water retaining boss 5 can be arranged at a drainage channel at the downstream of catchment in a large longitudinal slope section, and the water retaining boss 5 is preferably triangular or circular arc-shaped, so that the catchment is ensured to be discharged into the drainage channel 4 after meeting interception at the soil retaining boss 5.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The drainage structure between the sections of the low-lying structure of the magnetic levitation track traffic is characterized by comprising a drainage layer (3) and a transverse drainage channel (4);
the drainage layers (3) are arranged between the track beam bases (10), the drainage layers (3) extend to two sides to cover the top surfaces of the track beam bases (10), the top surfaces of the drainage layers (3) are arranged as drainage transverse slopes (6) with the heights higher than the heights of the two sides of the track at the center line of a road surface, and the road surfaces with the inclined lines facing to the two sides are formed; the bottom of the drainage layer (3) is provided with a waterproof layer (2), the waterproof layer (2) extends to the two sides to the top surface of the track beam base (10) and then continues to extend upwards to be attached to the vertical boundary of the track beam, and the tail end of the waterproof layer is attached to the top surface of the drainage layer (3);
the transverse drainage channel (4) is arranged at the expansion joint (7) of the track beam, and the height of one side of the transverse drainage channel, which is close to the line, is higher than the height of the outer side of the track, so that catchments between the line are discharged to two sides from the center of the road base surface through the transverse drainage slope (6) and then discharged to road shoulders at two sides through the transverse drainage channel (4);
and a water retaining boss (5) is arranged on one side, close to the line, of the transverse drainage channel (4) at the downstream of the catchment between the lines.
2. The drainage structure between sections of a low-lying structure of magnetic levitation track traffic as set forth in claim 1, wherein a protective layer (1) is provided at the bottom of the waterproof layer (2), and the protective layer (1) is disposed between track beam bases (10).
3. The drainage structure between the sections of the low-level structure of the magnetic levitation track traffic as claimed in claim 1, wherein the drainage layers (3) are provided with a drainage layer expansion joint at equal intervals along the track running direction, and the joint is provided with a joint filling material.
4. A drainage structure between sections of a low-lying structure of a magnetic levitation track traffic as claimed in claim 3, characterized in that the joint of the drainage layer (3) and the track beam is provided with a waterproof coating (8).
5. The drainage structure between sections of a low-lying structure of magnetic levitation track traffic as claimed in claim 1, wherein the gradient of both the drainage cross slope (6) and the transverse drainage channel (4) is not less than 2%.
6. The drainage structure between sections of a low-lying structure of a magnetic levitation track traffic as claimed in claim 1, wherein a caulking material is provided in a gap between the track beam bases (10).
7. The drainage structure between sections of the low-level structure of the magnetic levitation track traffic as set forth in claim 3 or 6, wherein the caulking material is made of asphalt hemp and polyurethane waterproof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965727.1A CN108951318B (en) | 2018-08-23 | 2018-08-23 | Drainage structure between low-level structure section lines of magnetic levitation track traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965727.1A CN108951318B (en) | 2018-08-23 | 2018-08-23 | Drainage structure between low-level structure section lines of magnetic levitation track traffic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108951318A CN108951318A (en) | 2018-12-07 |
| CN108951318B true CN108951318B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810965727.1A Active CN108951318B (en) | 2018-08-23 | 2018-08-23 | Drainage structure between low-level structure section lines of magnetic levitation track traffic |
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| Country | Link |
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| CN (1) | CN108951318B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648178A (en) * | 2020-05-11 | 2020-09-11 | 中铁六局集团有限公司 | Construction method for crossing existing route by transverse drainage channel in sealing point |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10312561A1 (en) * | 2003-03-21 | 2004-09-30 | Walter Bau-Ag | Method for producing track carriers in normal orientation for electromagnetic high-speed lines involves subsequent casting-in of the fastening elements for the track functional components |
| CN104695289A (en) * | 2015-03-02 | 2015-06-10 | 中铁第四勘察设计院集团有限公司 | Lowly arranged wire structure used in medium-low speed magnetic levitation traffic engineering fill section |
| CN205474608U (en) * | 2016-01-18 | 2016-08-17 | 中铁第四勘察设计院集团有限公司 | A space drainage structures that is arranged in low circuit double -line location of putting of low -speed maglev |
| CN206109879U (en) * | 2016-09-07 | 2017-04-19 | 中铁第四勘察设计院集团有限公司 | Be applicable to low circuit location space mole drainer of putting of moderate -low speed magnetic levitation |
| CN208899257U (en) * | 2018-08-23 | 2019-05-24 | 中铁磁浮交通投资建设有限公司 | A kind of low drain structure between setting structure location line of magnetic levitation track traffic |
-
2018
- 2018-08-23 CN CN201810965727.1A patent/CN108951318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10312561A1 (en) * | 2003-03-21 | 2004-09-30 | Walter Bau-Ag | Method for producing track carriers in normal orientation for electromagnetic high-speed lines involves subsequent casting-in of the fastening elements for the track functional components |
| CN104695289A (en) * | 2015-03-02 | 2015-06-10 | 中铁第四勘察设计院集团有限公司 | Lowly arranged wire structure used in medium-low speed magnetic levitation traffic engineering fill section |
| CN205474608U (en) * | 2016-01-18 | 2016-08-17 | 中铁第四勘察设计院集团有限公司 | A space drainage structures that is arranged in low circuit double -line location of putting of low -speed maglev |
| CN206109879U (en) * | 2016-09-07 | 2017-04-19 | 中铁第四勘察设计院集团有限公司 | Be applicable to low circuit location space mole drainer of putting of moderate -low speed magnetic levitation |
| CN208899257U (en) * | 2018-08-23 | 2019-05-24 | 中铁磁浮交通投资建设有限公司 | A kind of low drain structure between setting structure location line of magnetic levitation track traffic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108951318A (en) | 2018-12-07 |
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