CN106400615B - Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure - Google Patents
Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure Download PDFInfo
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- CN106400615B CN106400615B CN201610826118.9A CN201610826118A CN106400615B CN 106400615 B CN106400615 B CN 106400615B CN 201610826118 A CN201610826118 A CN 201610826118A CN 106400615 B CN106400615 B CN 106400615B
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 12
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
Line technology field is put the invention belongs to middle low speed magnetic suspension traffic engineering is low, and disclose medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure, including pile foundation bearing structure, armored concrete support rail beam bottom plate, reinforced concrete beam type structure, support rail beam both sides backfill filler, bridge abutment and headwall, pile foundation bearing structure is provided with more, and armored concrete support rail beam bottom plate is accepted on the top per pile base bearing structure；Accept the reinforced concrete beam type structure in the top of armored concrete support rail beam bottom plate；Gutter is provided with by support rail beam both sides backfill filler, gutter is provided with weathering described in the side away from support rail beam both sides backfill filler.Long-time stability of the present invention are more preferable, both the high request to the deformation of support rail girder construction and settlement after construction had been met, meet the requirement of the controllability of bedding long-time stability, durability and construction quality again, effectively realize magnetic suspension elevated structure and the low smoothly transition for putting line transition section F rails.
Description
Technical field
Line technology field is put the invention belongs to middle low speed magnetic suspension traffic engineering is low, more particularly, to middle low speed magnetic
Floating single line excavation location support rail beam transition section structure pattern.
Background technology
Middle low speed magnetic suspension track traffic belongs to a kind of novel traffic mode, and achievement in research both domestic and external is less, the whole world
The circuit for opening operation is even more minority.The middle low speed magnetic suspension railway business that only in March, 2005, Japan's construction was opened at present is transported
The middle low speed magnetic suspension railway business operating line that line-the East Hillside Line and in June, 2014, South Korea opened.And the middle low speed of China
Magnetic suspension traffic only has National University of Defense technology's test wire, Green City Mountain test wire, Tangshan experiment line at present, but do not put into effect
Formal circuit, and based on elevated structure, it is rarely seen about elevated structure and the low research put in terms of line transition segment structure with
Using.
In wheel rail high speed railway, substantial amounts of bridge changeover portion roadbed be present, high-speed railway changeover portion roadbed uses mostly
Trapezium structure, cement stabilized graded macabam is employed in trapezoidal scope and is filled, and employ the compacting higher than non-changeover portion roadbed
It is required that.During built high-speed railway operation, bridge transition segment limit, non-fragment orbit protuberance, gap, grout often occurs
Etc. disease.The reason for this disease, it is due to that changeover portion roadbed is still earth structure by rock and soil constitution mostly, changeover portion
It after roadbed is laid a railway track, still can occur necessarily to settle, poor (the specification permission settlement after construction of certain settlement after construction be present with bridge abutment
Difference is not more than 5mm), because high-speed railway uses seamless track steel rail, allow in specification within the scope of settlement after construction difference, have no effect on
Normal operation, but the diseases such as non-fragment orbit protuberance, gap, grout can be caused, it is necessary to timely repair and maintenance.
The F rails of medium-and low-speed maglev traffic lines are to be spliced by a short rail successively using fishplate bar scene, and are left between rail
Seam, meet the ride comfort of the F rails of magnetic-levitation train even running requirement, to lean on works under rail to ensure substantially.It is low to put circuit location,
Basis is the earth structure by rock and soil constitution under support rail beam, is influenceed by factors such as landform, geological conditions, and quality is not relatively easily-controllable
System, differential settlement is also easy to produce under load and the effect of various factor of natural environment, can be occurred unavoidably and elevated structure bridge bridge
The inconsistent settlement after construction of platform, generation settlement after construction is poor, and low circuit of putting differential settlement occurs with bridge abutment position, necessarily affects
The ride comfort of F rails, in some instances it may even be possible to the problems such as causing F rails generation faulting of slab ends, deform, when serious, the normal fortune of maglev vehicle will be influenceed
Battalion.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides medium-and low-speed maglev single line excavation location is only
Vertical pier stud type support rail beam transition section structure, elevated structure and the low rigidity put between circuit and sedimentation transition were both met, and had ensured magnetic
Suspension traffic engineering elevated structure and the low ride comfort requirement for putting line transition section F rails, meet that magnetic floating traffic engineering is low and put line again
The intensity of road changeover portion sub-rail foundation, long-time stability requirement, and construction quality controllability is strong.
To achieve the above object, the invention provides the independence pier stud type support rail beam transition of medium-and low-speed maglev single line excavation location
Segment structure, it is characterised in that including pile foundation bearing structure, armored concrete support rail beam bottom plate, reinforced concrete beam type structure, hold
Beam-and-rail both sides backfill filler, bridge abutment and headwall, wherein,
The pile foundation bearing structure is provided with more, and the every pile foundation bearing structure is vertically arranged, and every institute
Accept the armored concrete support rail beam bottom plate in the top for stating pile foundation bearing structure；
Accept the reinforced concrete beam type structure, and the pile foundation in the top of the armored concrete support rail beam bottom plate
The top of bearing structure is embedded in the armored concrete support rail beam bottom plate and its rigid connection, the armored concrete support rail beam bottom plate with
The reinforced concrete beam type structural integrity pouring molding is so as to collectively forming armored concrete support rail beam；
The support rail beam both sides backfill filler is arranged on soft stratum, and by support rail beam both sides backfill filler
The first gutter is provided with, side of first gutter away from support rail beam both sides backfill filler is provided with the first draining
Slope；
The armored concrete support rail beam bottom plate is located in support rail beam both sides backfill filler；
The lower end of the every pile foundation bearing structure is stretched into supporting course after passing through the soft stratum, with soft stratum
When producing sedimentation, the pile foundation bearing structure can bear negative friction, stable so as to be provided to reinforcing bar armored concrete support rail beam
Bearing capacity, to prevent support rail beam both sides backfill filler differential settlement reduce armored concrete support rail beam it is vertical, longitudinal direction and
Adversely affected caused by lateral stiffness；
One end of the armored concrete support rail beam bottom plate is overlapped on the bridge abutment, and both are connected by pin
Release longitudinal restraint is connect, and limits lateral displacement；
The both sides of one end that the armored concrete support rail beam bottom plate is overlapped on the bridge abutment set the end respectively
Wall, and the headwall per side is abutted with the support rail beam both sides backfill filler of respective side respectively, and the support rail is protected for gear
Beam both sides backfill filler；
The second gutter is provided with by the headwall, the side of second gutter away from the headwall is provided with second
Weathering.
Preferably, the pile foundation bearing structure is cast-in-situ bored pile, and the armored concrete support rail beam bottom is stretched on its top
Plate is interior and the steel reinforcement cage of cast-in-situ bored pile is also stretched into the armored concrete support rail beam bottom plate.
Preferably, all these described pile foundation bearing structures are arranged in ranks.
Preferably, the armored concrete support rail beam bottom plate is overlapped on one end of the bridge abutment and the bridge abutment
Between be provided with wear-resisting sliding layer.
Preferably, the pin includes pre-buried connection reinforcing bar, pitch hemp cut and stainless steel sleeve pipe, the pre-buried connection reinforcing bar
The pitch hemp cut is fixedly installed in the stainless steel sleeve pipe and between the two.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) armored concrete support rail beam bottom plate is overlapped on bridge abutment close to one end of elevated bridge, passes through pin
Connection, avoid and settle faulting of slab ends caused by measures of foundation treatment difference between the two, it is ensured that magnetic float F rails it is low put circuit with
Bridge abutment connected position will not produce faulting of slab ends, effectively realize that magnetic suspension traffic engineering elevated structure puts the flat of circuit F rails with low
Along transition.
(2) armored concrete support rail beam uses reinforced concrete soil scene one-piece casting, to directly take on track load and
The magnetic-levitation train load of track transmission, then deadweight and upper load are passed to and its rigidly connected pile foundation bearing structure, knot
Structure reliability is high.
(3) pile foundation bearing structure is made using reinforced concrete bored pile, gos deep into reliable supporting course, and roadbed occurs one
Produced between fixed sedimentation and armored concrete support rail beam when coming to nothing, pile foundation bearing structure can still bear negative friction and provide compared with
Strong bearing capacity, differential settlement caused by foundation stabilization quality is difficult to control is avoided to support rail beam vertical and horizontal rigidity
Influence, there is stronger longitudinal, vertical and lateral stability, enhance structure overall security.
(4) pile foundation bearing structure control settlement effect of the invention is preferable, therefore can reduce cutting bedding replacement thickness, only
The requirement of basic replacement thickness need to be met, can investment reduction, shorten the duration, there are obvious technology and economic advantages.
Brief description of the drawings
Fig. 1 is the schematic longitudinal section of the present invention；
Fig. 2 is along the profile of I-I line in Fig. 1；
Fig. 3 is along the profile of II-II line in Fig. 1；
Fig. 4 is that armored concrete support rail beam bottom plate is overlapped on the floor map on bridge abutment in the present invention；
Fig. 5 is the cross-sectional view of pin in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
1~Fig. 5 of reference picture, medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure, its feature
It is, including pile foundation bearing structure 3, armored concrete support rail beam bottom plate 2, reinforced concrete beam type structure 1, support rail beam both sides time
Filler 4, bridge abutment 12 and headwall 13, wherein,
The pile foundation bearing structure 3 is provided with more, and the every pile foundation bearing structure 3 is vertically arranged, and every
Accept the armored concrete support rail beam bottom plate 2 in the top of the pile foundation bearing structure 3；
Accept the reinforced concrete beam type structure 1, and the stake in the top of the armored concrete support rail beam bottom plate 2
The top of base bearing structure 3 is embedded in the armored concrete support rail beam bottom plate 2 and its rigid connection, the armored concrete support rail beam bottom
Plate 2 is molded with the formed by integrally casting of reinforced concrete beam type structure 1 so as to collectively form armored concrete support rail beam 9；
The support rail beam both sides backfill filler 4 is arranged on soft stratum 5, and backfills filler in the support rail beam both sides
It is provided with the first gutter 7 by the of 4, side of first gutter 7 away from support rail beam both sides backfill filler 4 is provided with the
One weathering 8；
The armored concrete support rail beam bottom plate 2 is located in support rail beam both sides backfill filler 4；
The lower end of the every pile foundation bearing structure 3 is stretched into supporting course 6 after passing through the soft stratum 5, with weakness
When stratum 5 produces sedimentation, the pile foundation bearing structure 3 can bear negative friction, so as to be carried to reinforcing bar armored concrete support rail beam 9
For stable bearing capacity, the differential settlement to prevent support rail beam both sides backfill filler 4 reduces the perpendicular of armored concrete support rail beam 9
To adverse effect caused by, vertical and horizontal rigidity；
One end of the armored concrete support rail beam bottom plate 2 is overlapped on the bridge abutment 12, and both pass through pin
15 Connection Release longitudinal restraints are followed closely, and limit lateral displacement；
The both sides of one end that the armored concrete support rail beam bottom plate 2 is overlapped on the bridge abutment 12 set described respectively
Headwall 13, and the headwall 13 per side is abutted with the support rail beam both sides backfill filler 4 of respective side respectively, and institute is protected for gear
State support rail beam both sides backfill filler 4；
The second gutter 17 is provided with by the headwall 13, side of second gutter 17 away from the headwall 13 is set
It is equipped with the second weathering 18.
Further, the pile foundation bearing structure 3 is cast-in-situ bored pile, and the armored concrete support rail beam bottom is stretched on its top
Plate 2 is interior and the steel reinforcement cage of cast-in-situ bored pile is also stretched into the armored concrete support rail beam bottom plate 2, all these described stakes
Base bearing structure 3 is arranged in ranks.
Further, the armored concrete support rail beam bottom plate 2 is overlapped on one end of the bridge abutment 12 and the bridge
Wear-resisting sliding layer 16 is provided between abutment 12.
Further, the pin 15 includes pre-buried connection reinforcing bar 15.1, pitch hemp cut 15.2 and stainless steel sleeve pipe 15.3, institute
Pre-buried connection reinforcing bar 15.1 is stated to be located in the stainless steel sleeve pipe 15.3 and the pitch hemp cut is fixedly installed between the two
15.2。
The low circuit of putting of low speed magnetic suspension traffic engineering is tight to post-construction settlement of subgrade requirement during the structural shape can be solved effectively
Lattice, taking traditional cutting to excavate, replacement thickness engineering caused greatly is huge, investment is big, long in time limit, and backfill filler construction
Quality is whard to control, bedding long-time stability and the problem of poor durability, and low the reliable of circuit support rail girder construction is put so as to improve
Degree, reduce engineering risk.
The agent structure of armored concrete support rail beam 9 of the present invention uses reinforced concrete soil scene one-piece casting, reinforced concrete
The native girder structure of support rail beam 9, then will deadweight and top directly taking on the magnetic-levitation train load of track load and track transmission
Load passes to high with its rigidly connected pile foundation bearing structure 3, structural reliability.Pile foundation bearing structure 3 uses reinforced concrete
Earth boring auger hole pouring pile is made, and transverse direction and longitudinal direction is made up of multiple rows of reinforced concrete bored pile, and vertical cross stiffness is big；And pile foundation
Go deep into reliable supporting course 8, when generation is come to nothing between the certain sedimentation of roadbed generation and armored concrete support rail beam 9, pile foundation carrying is tied
Structure 3 can still bear negative friction and provide stronger bearing capacity, have stronger longitudinal, vertical and lateral stability.
One end of armored concrete support rail beam bottom plate 2 of armored concrete support rail beam 9 is overlapped on bridge abutment 12, and the two is logical
Cross pin 15 to connect, the releasable temperature stress in the longitudinal direction of pin 15, realize support rail beam stretching in longitudinal direction, laterally limit support rail beam
Displacement, improve the lateral stability of structure.One end of support rail beam overlaps with bridge abutment 12, makes low to put circuit support rail beam and bridge
The sedimentation of the lap position of abutment 12 is consistent, avoids bridge abutment 12 and low generation faulting of slab ends sedimentation between putting circuit support rail girder construction；It is low
Put the other end of circuit armored concrete support rail beam bottom plate 2 be embedded in it is stable it is low put in line construction, it is settled puts circuit with low
Structure is consistent, due to it is low put line construction through basement process and fill compacting after sedimentation value be in controlled range, therefore, support rail
Sedimentation between beam both ends be located at bridge abutment 12 and it is low put line construction between, close to linear change, it is achieved thereby that overhead
Bridge structure and the low sedimentation transition put between line construction, it also avoid faulting of slab ends, the smooth-going of transition segment limit F rails have been effectively ensured
Property.
Wear-resisting sliding layer 16 is arranged between armored concrete support rail beam bottom plate 2 and bridge abutment 12, passes through resistance to mill sliding
The effect of layer 16, can release the rotation that support rail beam is likely to occur under the load actions such as relative settlement, temperature to a certain extent
Constraint, and the dynamic stress that bridge abutment 12 is transferred to magnetic-levitation train plays cushioning effect, it also avoid support rail beam and bridge abutment
Abrasion and stress concentration between 12 cause the partial pressing of structure to destroy.
The pile foundation bearing structure control settlement effect of the present invention is preferable, therefore can reduce cutting bedding replacement thickness, only needs
Meet the requirement of basic replacement thickness, can investment reduction, shorten the duration, there are obvious technology and economic advantages.
Specific making step of the invention is as follows：
(1) construction overhead bridge structure bridge abutment 12, bridge abutment body concrete, construction bridges abutment 12, backfill are poured
The foundation pit of bridge abutment 12；The positioning of pin 15 and embedded work should be performed before the concreting of bridge abutment 12；
(2) excavating cut slope side slope is changed according to the necessary bedding of design requirement progress and filled out to designing at road bed absolute altitude, ground
After the completion of processing, by changeover portion design requirement fill it is low after platform put geotechnique basis under circuit support rail beam, geotechnique under support rail beam after platform
Basis filling construction synchronous with the cone of bridge abutment 12.According to each position wire feeding and compaction requirement, changeover portion when filling
Scope with non-changeover portion area is synchronous layered fills, next layer fills after detection meets the requirements and fills last layer again, until reinforcing bar mixes
Coagulate at the native bottom surface absolute altitude of support rail beam bottom plate 2；
(3) subgrade cross section, the filling of vertical section direction construction drill are in the bottom surface absolute altitude of armored concrete support rail beam bottom plate 2
Stake, i.e. pile foundation bearing structure 3 are noted, drilled pile construction should use the construction technology small to filling roadbed disturbance；In drill-pouring
After stake reaches desired strength, pile crown, assembling reinforcement concrete support rail beam bottom plate 2 and the connection steel with stake are amputated by code requirement
Muscle；
(4) reinforced concrete supporting beam, convex block machine formwork erection, are carried out one-time-concreting shaping before pouring according to design attitude
All kinds of built-in fittings such as pin 15 and positioning and installation with the connection reinforcing bar of pile foundation, concrete remove mould after reaching design strength
Plate；It is long to armored concrete support rail beam bottom plate 2 and the merogenesis formwork erection of reinforced concrete beam type structure 1, one-time-concreting according to design section
Shaping, carried out before pouring such as positioning of pin 15, sleeper pedestal connection reinforcing bar, water conservancy diversion rail bearing built-in fitting etc. of all kinds of built-in fittings with
Installation；
(5) wear-resisting sliding layer is laid on bridge abutment 12 in armored concrete support rail beam 9 and the overlap joint of bridge abutment 12
16, formwork erection, and the He of one-time-concreting armored concrete support rail beam bottom plate 2 are carried out to armored concrete support rail beam 9 using integral mold plate
The concrete of reinforced concrete beam type structure 1, built-in fitting (sleeper pedestal connection reinforcing bar, water conservancy diversion rail bearing built-in fitting are carried out before pouring
Deng) positioning and installation；
(6) each part concrete distinguishes form removal after reaching design strength, and construction is low to put circuit armored concrete support rail
Beam 9 and the joint both sides headwall 13 of bridge abutment 12, headwall 13 wait the concrete of headwall 13 to reach using the construction of concrete one-piece casting
Form removal after to design strength, then by the low backfill layer, confining bed, phase for putting circuit graded broken stone top surface of design requirement construction
Auxiliary construction is closed, by design and construction cone top surface confining bed of bridge abutment 12 etc., slope construction protection, drainage system etc..
(7) carry out it is low put circuit and the laying of the elevated structure section of track and the installation and construction of associated satellite engineering, construction finishes
Afterwards.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (5)
1. medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure, it is characterised in that held including pile foundation
Carry structure, armored concrete support rail beam bottom plate, reinforced concrete beam type structure, support rail beam both sides backfill filler, bridge abutment and
Headwall, wherein,
The pile foundation bearing structure is provided with more, and the every pile foundation bearing structure is vertically arranged, and the every stake
Accept the armored concrete support rail beam bottom plate in the top of base bearing structure；
The reinforced concrete beam type structure is accepted on the top of the armored concrete support rail beam bottom plate, and the pile foundation carries
The top of structure is embedded in the armored concrete support rail beam bottom plate and its rigid connection, the armored concrete support rail beam bottom plate with it is described
Reinforced concrete beam type structural integrity pouring molding is so as to collectively forming armored concrete support rail beam；
The support rail beam both sides backfill filler is arranged on soft stratum, and is set by support rail beam both sides backfill filler
There is the first gutter, side of first gutter away from support rail beam both sides backfill filler is provided with the first weathering；
The armored concrete support rail beam bottom plate is located in support rail beam both sides backfill filler；
The lower end of the every pile foundation bearing structure is stretched into supporting course after passing through the soft stratum, to be produced in soft stratum
During sedimentation, the pile foundation bearing structure can bear negative friction, so as to provide stable hold to reinforcing bar armored concrete support rail beam
Power is carried, vertical, the vertical and horizontal of armored concrete support rail beam are reduced to prevent the differential settlement of support rail beam both sides backfill filler
Adversely affected caused by rigidity；
One end of the armored concrete support rail beam bottom plate is overlapped on the bridge abutment, and both are released by pin connection
Longitudinal restraint is put, and limits lateral displacement；
The both sides of one end that the armored concrete support rail beam bottom plate is overlapped on the bridge abutment set the headwall respectively, and
And the headwall per side is abutted with the support rail beam both sides backfill filler of respective side respectively, and the support rail beam both sides are protected for gear
Backfill filler；
The second gutter is provided with by the headwall, the side of second gutter away from the headwall is provided with the second draining
Slope.
2. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev single line excavation location according to claim 1, its
It is characterised by, the pile foundation bearing structure is cast-in-situ bored pile, and its top is stretched into the armored concrete support rail beam bottom plate simultaneously
And the steel reinforcement cage of cast-in-situ bored pile is also stretched into the armored concrete support rail beam bottom plate.
3. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev single line excavation location according to claim 1, its
It is characterised by, all these described pile foundation bearing structures are arranged in ranks.
4. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev single line excavation location according to claim 1, its
It is characterised by, the armored concrete support rail beam bottom plate is overlapped between one end of the bridge abutment and the bridge abutment and set
It is equipped with wear-resisting sliding layer.
5. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev single line excavation location according to claim 1, its
It is characterised by, the pin includes pre-buried connection reinforcing bar, pitch hemp cut and stainless steel sleeve pipe, and the pre-buried connection reinforcing bar is located at institute
State in stainless steel sleeve pipe and the pitch hemp cut is fixedly installed between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826118.9A CN106400615B (en) | 2016-09-15 | 2016-09-15 | Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826118.9A CN106400615B (en) | 2016-09-15 | 2016-09-15 | Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106400615A CN106400615A (en) | 2017-02-15 |
| CN106400615B true CN106400615B (en) | 2017-11-14 |
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ID=57997641
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610826118.9A Expired - Fee Related CN106400615B (en) | 2016-09-15 | 2016-09-15 | Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure |
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| Country | Link |
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| CN110004782A (en) * | 2019-04-23 | 2019-07-12 | 中铁磁浮交通投资建设有限公司 | An elastic support line structure for high-speed maglev rail transit |
| CN113373785B (en) * | 2021-06-30 | 2022-10-18 | 中铁第四勘察设计院集团有限公司 | Beam seam dispersion structure of large-span high-speed magnetic levitation bridge |
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| WO2000001888A1 (en) * | 1998-07-01 | 2000-01-13 | Grimbergen Holding B.V. | Railway system and its supporting structure, as well as their method of construction |
| CN1916277A (en) * | 2006-09-07 | 2007-02-21 | 铁道第二勘察设计院 | Track base without broken stones, and building method |
| CN201473888U (en) * | 2009-09-02 | 2010-05-19 | 北京磁通设备制造有限公司 | Elevated rail bridge |
| JP6013701B2 (en) * | 2010-09-10 | 2016-10-25 | 東海旅客鉄道株式会社 | Bridge |
| CN204676374U (en) * | 2015-05-27 | 2015-09-30 | 中国中铁航空港建设集团有限公司 | A kind of strengthening mechanism of rail track |
| CN206127741U (en) * | 2016-09-15 | 2017-04-26 | 中铁第四勘察设计院集团有限公司 | Moderate -low speed magnetic levitation single line excavation location detached pier column type support rail roof beam transition section structure |
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