CN206127756U - Moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail girder construction - Google Patents
Moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail girder construction Download PDFInfo
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- CN206127756U CN206127756U CN201621057038.3U CN201621057038U CN206127756U CN 206127756 U CN206127756 U CN 206127756U CN 201621057038 U CN201621057038 U CN 201621057038U CN 206127756 U CN206127756 U CN 206127756U
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- support rail
- rail beam
- bearing structure
- pile foundation
- armored concrete
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Abstract
The utility model belongs to the technical field of the low circuit of putting of well low -speed maglev traffic engineering to moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail girder construction is disclosed, backfill including pile foundation load bearing structure, reinforced concrete support rail breast board, the two rows of reinforced concrete beam structure and support rail roof beam both sides and pack, pile foundation load bearing structure is provided with many, every accept at pile foundation load bearing structure's top reinforced concrete support rail breast board, accept on the top of reinforced concrete support rail breast board reinforced concrete beam structure, the other escape canal that is provided with of packing is backfilled to support rail roof beam both sides, the escape canal is kept away from support rail roof beam both sides and is backfilled the one side of packing be provided with draining slope. The utility model discloses low -speed maglev traffic engineering track structure can satisfy the requirement of foundation bed long term stability, durability and construction quality controllability again to support rail roof beam structural distortion and the high requirement of post -construction settlement in can satisfying, and economic nature is better.
Description
Technical field
This utility model belongs to that middle low speed magnetic suspension traffic engineering is low to put Line technology field, low more particularly, in
Fast magnetic floating traffic engineering two-wire excavation location support rail girder construction 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 at present is opened is transported
The middle low speed magnetic suspension railway business operating line that line-the East Hillside Line and in June, 2014 Korea open.And the middle low speed of China
Magnetic suspension traffic only 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, the rarely seen relevant low research put in terms of circuit support rail girder construction and applies.
The outstanding traffic civil engineering part of middle low speed magnetic suspension mainly comprising bridge, it is low put circuit, station and rolling stock section, it is low to put circuit
It is made up of roadbed under the section of track, support rail beam and support rail beam, the support rail beam of supporting track is arranged on the roadbed being made up of earth structure
On, the operation of middle low speed magnetic suspension train includes suspending, be oriented to, drive and braking being required for what is completed on support rail beam.Magnetic
Aerotrain is very high to line construction deformation requirements, because the deformation of structure very little may affect comfortableness even prestige by bus
Side of body traffic safety, so the design of support rail beam is particularly significant.
Existing support rail girder construction is applied and exist on circuit problems with middle low speed magnetic suspension traffic low putting：
(1) existing low circuit support rail girder construction of putting is arranged on roadbed earth structure, roadbed earth structure by
Filler fills compacting and forms, and compaction quality is wayward, and the later stage is susceptible to deformation, and settlement after construction is difficult to control to.
(2) low circuit support rail girder construction of putting has high demands to the settlement after construction of roadbed and ground, and is routed through the ground in region
Matter condition is typically all complicated and changeable, is controlled using conventional support rail beam structure construction difficult quality.
(3) because the low circuit earth structure of putting that filler fills compacting has vulnerability, and construction quality is difficult
Control, relatively easily produces differential settlement, causes bedding vertical and horizontal bad stability under support rail beam, so that support rail beam
The stability in the large of structure is damaged.
The low circuit support rail beam of putting of magnetic suspension is higher to post-construction settlement of subgrade, bedding long-time stability and life requirement, when
When circuit is located at foundation stabilization location, the construction period is long to take traditional support rail girder construction pattern to exist, and construction quality is not easily-controllable
System, the defect such as whole structural stability is poor and less economical.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, it is double that this utility model provides medium-and low-speed maglev traffic engineering
Line excavation location independence pier stud type support rail girder construction, can avoid the low defect for putting circuit support rail girder construction of tradition, and construction quality is more
Be easily controlled, long-time stability more preferably, and during it both meets low speed magnetic suspension traffic engineering track structure to support rail girder construction
Deformation and the high requirement of settlement after construction, meet the requirement of bedding long-time stability, durability and construction quality controllability again.
For achieving the above object, this utility model provides medium-and low-speed maglev traffic engineering two-wire excavation location independence pier stud
Formula support rail girder construction, it is characterised in that including pile foundation bearing structure, armored concrete support rail beam base plate, two placing of reinforcement concrete
Girder structure and support rail beam both sides backfill filler, wherein,
The pile foundation bearing structure is provided with many, is vertically arranged per pile foundation bearing structure described in root, and the institute per root
Accept the armored concrete support rail beam base plate in the top for stating pile foundation bearing structure；
Reinforced concrete beam type structure described in two rows is accepted on the top of the armored concrete support rail beam base plate, and described
Pile foundation bearing structure is embedded in the armored concrete support rail beam base plate and just connects with it, the armored concrete support rail beam base plate with it is every
Arrange the reinforced concrete beam type structural integrity and pour molding, so as to collectively form armored concrete support rail beam；
Wired weathering section is set described in two rows between reinforced concrete beam type structure, and weathering section has between the line
Cross fall and head fall, for current are introduced into two adjacent sections armored concrete support rail beam base plate internode expansion joint further
Current are discharged；
The support rail beam both sides backfill filler is arranged on soft stratum, and by support rail beam both sides backfill filler
Gutter is provided with, the gutter is provided with weathering away from the side that the support rail beam both sides backfill filler；
The armored concrete support rail beam base plate is located in support rail beam both sides backfill filler；
Lower end per pile foundation bearing structure described in root is stretched in supporting course through after the soft stratum, with soft stratum
When producing sedimentation, the pile foundation bearing structure can bear negative friction, so as to provide stable to reinforcing bar armored concrete support rail beam
Bearing capacity, in case support rail beam both sides backfill filler differential settlement reduce armored concrete support rail beam longitudinal rigidity and horizontal stroke
To rigidity.
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
In plate and the steel reinforcement cage of cast-in-situ bored pile is also stretched in the armored concrete support rail beam base plate.
Preferably, pile foundation bearing structure described in all these is arranged in ranks.
Preferably, the cross fall of weathering section is 3%～5% between the line, and head fall is not less than 2 ‰.
In general, by the contemplated above technical scheme of this utility model compared with prior art, can obtain down
Row beneficial effect：
(1) armored concrete support rail beam base plate of the present utility model, reinforced concrete beam type structure adopt reinforced concrete
Soil scene one-piece casting, the two composition integral reinforced concrete structure is floated to the magnetic for directly taking on track load and track transmission
Train load, then deadweight and upper load are passed to and its rigidly connected pile foundation bearing structure, structural reliability is high.
(2) pile foundation bearing structure of the present utility model is goed deep in supporting course, and when roadbed produces certain sedimentation, pile foundation carries knot
Structure can still bear negative friction and provide stronger bearing capacity, it is to avoid because of the wayward inequality for causing of foundation stabilization quality
Even sedimentation is vertical to support rail beam, vertical and horizontal rigidity impact, and structure vertical cross stiffness and structural reliability are more excellent.
(3) pile foundation bearing structure control settlement effect of the present utility model preferably, therefore can reduce cutting bedding and change and fill out thickness
Degree, need to only meet the requirement of basic replacement thickness, can investment reduction, the reduction of erection time, with obvious technology and economic advantages.
(4) two placing of reinforcement concrete beam-type structures of two-wire are combined by reinforced concrete floor, can be effective
Increase the lateral stiffness of reinforced concrete beam type structure, make left and right two save reinforced concrete beam type structure and be placed in rigidity identical steel
On reinforced concrete base plate, the lateral stability of reinforced concrete beam type structure can be effectively increased, control reinforced concrete beam type
Relative settlement between structure, also beneficial to operation during maintenance with safeguard, measure is simple, easily construction, cost save, effect it is good.
Description of the drawings
Fig. 1 is schematic cross-sectional view of the present utility model；
Fig. 2 is schematic longitudinal section of the present utility model；
Fig. 3 is the distribution schematic diagram of this utility model pile foundation bearing structure；
Fig. 4 is the connection diagram of armored concrete support rail beam base plate and pile foundation bearing structure in this utility model.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.Additionally, institute in this utility model disclosed below each embodiment
As long as the technical characteristic being related to does not constitute each other conflict and just can be mutually combined.
With reference to Fig. 1～Fig. 4, medium-and low-speed maglev traffic engineering two-wire excavation location independence pier stud type support rail girder construction, it is special
Levy and be, including pile foundation bearing structure 3, armored concrete support rail beam base plate 2, two placing of reinforcement concrete beam-type structures 1 and support rail
Beam both sides backfill filler 4, wherein,
The pile foundation bearing structure 3 is provided with many, is vertically arranged per pile foundation bearing structure 3 described in root, and per root
Accept the armored concrete support rail beam base plate 2 in the top of the pile foundation bearing structure 3；
Accept reinforced concrete beam type structure 1 described in two rows, and institute in the top of the armored concrete support rail beam base plate 2
The embedded armored concrete support rail beam base plate 2 in top for stating pile foundation bearing structure 3 just connects with it, the armored concrete support rail beam bottom
Plate 2 is integrally formed with reinforced concrete beam type structure 1 described in every row, so as to collectively form armored concrete support rail beam 9；
Wired weathering section is set described in two rows between reinforced concrete beam type structure 1, weathering section tool between the line
There are cross fall and head fall, for current are introduced into the internode expansion joint of two adjacent sections armored concrete support rail beam base plate 2
And then discharge in current；The cross fall of weathering section is 3%～5%, more preferably 4% between the line, weathering section between line
Head fall be not less than 2 ‰, in order to draining.
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
Gutter 7 is provided with by the of 4, the gutter 7 is provided with weathering 8 away from the side that the support rail beam both sides backfill filler 4；
The armored concrete support rail beam base plate 2 is located in support rail beam both sides backfill filler 4；
Stretch in supporting course 6, with weakness through after the soft stratum 5 lower end per pile foundation bearing structure 3 described in root
When stratum 5 produces sedimentation, the pile foundation bearing structure 3 can bear negative friction, so as to carry to reinforcing bar armored concrete support rail beam 9
For stable bearing capacity, in case the differential settlement of support rail beam both sides backfill filler 4 reduces the perpendicular of armored concrete support rail beam 9
To, Longitudinal stiffness and transverse stiffness.
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
In plate 2 and the steel reinforcement cage of cast-in-situ bored pile is also stretched in the armored concrete support rail beam base plate 2, stake described in all these
Base bearing structure 3 is arranged in ranks.
The structural shape can in effectively solving the low circuit of putting of low speed magnetic suspension traffic engineering it is tight to post-construction settlement of subgrade requirement
Lattice, take traditional cutting excavate replacement thickness it is big caused by engineering is huge, invest big, long in time limit, and backfill filler construction
Quality is wayward, the problem of bedding long-time stability and poor durability, so as to improve the low reliability for putting circuit support rail girder construction
Degree, reduces engineering risk.
Armored concrete support rail beam 9 of the present utility model adopts reinforced concrete soil scene one-piece casting, to directly take on rail
Road load and the magnetic-levitation train load of track transmission, then deadweight and upper load are passed to and its rigidly connected pile foundation carrying
Structure 3, structural reliability is high, can save the foundation stabilization of cutting bedding and reduce cutting bedding replacement thickness, need to only meet basic
The requirement of replacement thickness, can investment reduction, the reduction of erection time, with obvious technology and economic advantages.
Pile foundation bearing structure 3 adopts cast-in-situ bored pile, transverse direction and longitudinal direction to fill with many reinforced concrete drillings are arranged with
Note stake, vertical and horizontal rigidity is big；And pile foundation bearing structure 3 gos deep into supporting course 6, when soft stratum 5 produces sedimentation, pile foundation is carried
Knot can still bear negative friction and provide stronger bearing capacity to armored concrete support rail beam base plate 2.
Two placing of reinforcement concrete beam-type structures of two-wire are combined by reinforced concrete floor 2, can effectively be increased
The lateral stiffness of adding reinforced concrete beam formula structure 1, makes left and right two save reinforced concrete beam type structure 1 and is placed in rigidity identical steel
On reinforced concrete base plate 2, the lateral stability of reinforced concrete beam type structure can be effectively increased, control reinforced concrete beam type
Relative settlement between structure 1, also beneficial to operation during maintenance with safeguard, measure is simple, easily construction, cost save, effect it is good.
The specific making step of this utility model is as follows：
(1) excavating cut slope side slope carries out necessary bedding and changes to fill out to designing at road bed absolute altitude according to design requirement；
(2) subgrade cross section, vertical section direction construction drill bored concrete pile are in reinforced concrete floor bottom surface absolute altitude, i.e.,
Pile foundation bearing structure 3, drilled pile construction should adopt the construction technology little to filling roadbed disturbance；Reaching in cast-in-situ bored pile will
After seeking intensity, by code requirement pile crown, colligation concrete floor and the connection reinforcing bar with stake are amputated；
It is (3) long to armored concrete support rail beam base plate 2 and the merogenesis formwork erection of reinforced concrete beam type structure 1 according to design section,
Make intilted weathering and carry out table by design requirement in one-time-concreting molding, the face that backfills between reinforced concrete beam type structure
All kinds of built-in fittings such as sleeper pedestal connection reinforcing bar, water conservancy diversion rail bearing built-in fitting etc. are carried out in layer waterproof, one-time-concreting molding before pouring
Positioning with install；
(4) each part concrete reaches and distinguish after design strength form removal, then by armored concrete support rail beam base plate 2
Bedding filler backfill in thickness range, backfill face is made outward-dipping weathering 8, by design requirement top layer waterproof is carried out, and
Weathering 8 on gutter 7 and gutter 7 is carried out, that is, is formed one kind for middle low speed magnetic suspension traffic engineering to be low and is put circuit pair
Line excavation location independence pier stud type support rail girder construction.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit this utility model, all any modifications made within spirit of the present utility model and principle, equivalent and change
Enter, should be included within protection domain of the present utility model.
Claims (4)
1. medium-and low-speed maglev traffic engineering two-wire excavation location independence pier stud type support rail girder construction, it is characterised in that including pile foundation
Bearing structure, armored concrete support rail beam base plate, two placing of reinforcement concrete beam-type structures and support rail beam both sides backfill filler, its
In,
The pile foundation bearing structure is provided with many, is vertically arranged per pile foundation bearing structure described in root, and per stake described in root
Accept the armored concrete support rail beam base plate in the top of base bearing structure；
Accept reinforced concrete beam type structure described in two rows, and the pile foundation in the top of the armored concrete support rail beam base plate
The top of bearing structure is embedded in the armored concrete support rail beam base plate and just connects with it, the armored concrete support rail beam base plate with
Often arrange the reinforced concrete beam type structural integrity and pour molding, so as to collectively form armored concrete support rail beam；
Wired weathering section is set described in two rows between reinforced concrete beam type structure, and weathering section has horizontal between the line
The gradient and head fall, for current are introduced into two adjacent sections armored concrete support rail beam base plate internode expansion joint further by water
Stream is discharged；
The support rail beam both sides backfill filler is arranged on soft stratum, and is arranged by support rail beam both sides backfill filler
There is gutter, the gutter is provided with weathering away from the side that the support rail beam both sides backfill filler；
The armored concrete support rail beam base plate is located in support rail beam both sides backfill filler；
Lower end per pile foundation bearing structure described in root is stretched in supporting course through after the soft stratum, to produce in soft stratum
During sedimentation, the pile foundation bearing structure can bear negative friction, so as to provide stable holding to reinforcing bar armored concrete support rail beam
Carry power, in case support rail beam both sides backfill filler differential settlement reduce the vertical of armored concrete support rail beam, longitudinal rigidity and
Lateral stiffness.
2. independence pier stud type support rail girder construction in medium-and low-speed maglev traffic engineering two-wire excavation location according to claim 1,
Characterized in that, the pile foundation bearing structure is cast-in-situ bored pile, its top is stretched in the armored concrete support rail beam base plate
And the steel reinforcement cage of cast-in-situ bored pile is also stretched in the armored concrete support rail beam base plate.
3. independence pier stud type support rail girder construction in medium-and low-speed maglev traffic engineering two-wire excavation location according to claim 1,
Characterized in that, pile foundation bearing structure described in all these is arranged in ranks.
4. independence pier stud type support rail girder construction in medium-and low-speed maglev traffic engineering two-wire excavation location according to claim 1,
Characterized in that, the cross fall of weathering section is 3%～5% between the line, head fall is not less than 2 ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057038.3U CN206127756U (en) | 2016-09-15 | 2016-09-15 | Moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail girder construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057038.3U CN206127756U (en) | 2016-09-15 | 2016-09-15 | Moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail girder construction |
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| Publication Number | Publication Date |
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| CN206127756U true CN206127756U (en) | 2017-04-26 |
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| CN201621057038.3U Withdrawn - After Issue CN206127756U (en) | 2016-09-15 | 2016-09-15 | Moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail girder construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283969A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev traffic engineering two-wire excavation location detached pier pillar support rail girder construction |
-
2016
- 2016-09-15 CN CN201621057038.3U patent/CN206127756U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283969A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev traffic engineering two-wire excavation location detached pier pillar support rail girder construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170426 Effective date of abandoning: 20171117 |
|
| AV01 | Patent right actively abandoned |