CN206157494U - Moderate -low speed magnetic levitation traffic engineering single line excavation location supporting beam of pile foundation formula support rail girder construction - Google Patents
Moderate -low speed magnetic levitation traffic engineering single line excavation location supporting beam of pile foundation formula support rail girder construction Download PDFInfo
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- CN206157494U CN206157494U CN201621057106.6U CN201621057106U CN206157494U CN 206157494 U CN206157494 U CN 206157494U CN 201621057106 U CN201621057106 U CN 201621057106U CN 206157494 U CN206157494 U CN 206157494U
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- support rail
- pile foundation
- bearing structure
- reinforced concrete
- rail beam
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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 single line excavation location supporting beam of pile foundation formula support rail girder construction is disclosed, backfill including pile foundation load bearing structure, reinforced concrete joist, reinforced concrete support rail breast board, reinforced concrete beam structure and support rail roof beam both sides and pack, pile foundation load bearing structure is provided with many, every the equal vertical setting of pile foundation load bearing structure is and every all accept on pile foundation load bearing structure's top reinforced concrete joist, 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
The 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 single line 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 resistance to overturning 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, the utility model provides medium-and low-speed maglev traffic engineering list
Line excavation location pile foundation joist 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, the utility model provides medium-and low-speed maglev traffic engineering single line excavation location pile foundation joist
Formula support rail girder construction, it is characterised in that including pile foundation bearing structure, reinforced concrete supporting beam, armored concrete support rail beam base plate,
Reinforced concrete beam type 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 reinforced concrete supporting beam in the top for stating pile foundation bearing structure；
The reinforced concrete supporting beam accepts the armored concrete support rail beam base plate；
The top of the pile foundation bearing structure is embedded in the reinforced concrete supporting beam and just connects with it, the armored concrete support
Beam has just connect or has overlapped with the armored concrete support rail beam base plate, the armored concrete support rail beam base plate and the reinforced concrete
Native girder structure formed by integrally casting is molded so as to collectively form armored concrete support rail beam；
The reinforced concrete supporting beam both sides are provided with for limiting the armored concrete support rail beam base plate lateral displacement
Convex gear platform；
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 it is vertical, longitudinal direction and
Lateral stiffness.
Preferably, the pile foundation bearing structure is cast-in-situ bored pile, reinforced concrete supporting beam and support rail beam base plate just connect or
Overlap joint, just connects with pile foundation bearing structure.
Preferably, the pile foundation bearing structure is cast-in-situ bored pile, and joist has just connect or overlapped with support rail beam base plate, with pile foundation
Bearing structure just connects.
Preferably, pile foundation bearing structure described in all these is arranged in ranks.
In general, by the contemplated above technical scheme of the 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 impact of the sedimentation to support rail beam vertical and horizontal rigidity, structure vertical cross stiffness and structural reliability it is more excellent.
(3) pile foundation bearing structure control settlement effect of the present utility model preferably, therefore can save cutting bedding ground and add
Gu and reduce cutting bedding replacement thickness, need to only meet the requirement of basic replacement thickness, can investment reduction, the reduction of erection time, have
Obvious technology and economic advantages.
(4) reinforced concrete supporting beam that pile foundation bearing structure and reinforced concrete floor are arranged, can greatly reduce pile foundation
The stress concentration phenomenon of armored concrete support rail beam base plate at bearing structure；Further, since the lateral connection effect of joist, also increases
Add the lateral stiffness of structure and the ability of opposing differential settlement deformation, the quantity of transverse pile foundation can have been reduced, reduce investment.
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 plane distribution schematic diagram of the utility model pile foundation bearing structure；
Fig. 4 is the connection diagram that the utility model pile foundation joist has just connect with armored concrete support rail beam base plate.
Fig. 5 is that the utility model pile foundation joist overlaps connection diagram with armored concrete support rail beam base plate.
Fig. 6 is the cross-sectional view of pin in the 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 the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.Additionally, institute in the 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.
Reference Fig. 1～Fig. 6, medium-and low-speed maglev traffic engineering single line excavation location pile foundation joist type support rail girder construction, including
Pile foundation bearing structure 3, reinforced concrete supporting beam 90, armored concrete support rail beam base plate 2, reinforced concrete beam type structure 1 and hold
Beam-and-rail 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 reinforced concrete supporting beam 90 in the top of the pile foundation bearing structure 3；
The reinforced concrete supporting beam 90 accepts the armored concrete support rail beam base plate 2；
The top of the pile foundation bearing structure 3 is embedded in the reinforced concrete supporting beam 90 and just connects with it, the reinforced concrete
Native joist 90 has just connect or has overlapped with the armored concrete support rail beam base plate 2, the armored concrete support rail beam base plate 2 with it is described
Reinforced concrete beam type structure 1 is integrally formed so as to collectively form armored concrete support rail beam 9；
It is provided with the reinforced concrete supporting beam 90 for limiting the lateral displacement of armored concrete support rail beam base plate 2
Convex gear platform 91；
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, vertical and horizontal rigidity.
Further, the pile foundation bearing structure 3 is cast-in-situ bored pile, and joist has just connect or overlapped with support rail beam base plate, with stake
Base bearing structure just connects.Overlapped using pin in the position of support rail beam internode seam, remaining position adopts and just connects.
The pin 10 includes pre-buried connection reinforcing bar 10.1, pitch hemp cut 10.2 and stainless steel sleeve pipe 10.3, described pre-buried
Connection reinforcing bar 10.1 is located in the stainless steel sleeve pipe 10.3 and is fixedly installed between the two the pitch hemp cut 10.2.
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 into the pile foundation bearing structure 3 of lower section, knot
Structure reliability is high, can reduce cutting bedding replacement thickness, need to only meet the requirement of basic replacement thickness, can investment reduction, shorten
Duration, 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.
The reinforced concrete supporting beam 90 that pile foundation bearing structure 3 and reinforced concrete floor 2 are arranged, can greatly reduce pile foundation
The stress concentration phenomenon of armored concrete support rail beam base plate 2 at bearing structure 3；Further, since the lateral connection effect of joist 90,
The lateral stiffness of structure and the ability of opposing differential settlement deformation are also increased, the quantity of transverse pile foundation can be reduced, reduced and throw
Money.
The specific making step of the 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；
(3) it is long to joist 90, convex gear platform 91, armored concrete support rail beam base plate 2 and armored concrete according to design section
The merogenesis formwork erection of girder structure 1, one-time-concreting shaping, carry out before pouring all kinds of built-in fittings such as pin 10, sleeper pedestal connect reinforcing bar,
The positioning of water conservancy diversion rail bearing built-in fitting etc. and installation；
(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 and is put circuit list for middle low speed magnetic suspension traffic engineering to be low
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 the 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 single line excavation location pile foundation joist type support rail girder construction, it is characterised in that including pile foundation
Bearing structure, reinforced concrete supporting beam, armored concrete support rail beam base plate, reinforced concrete beam type structure and support rail beam both sides are returned
Filler, wherein,
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 reinforced concrete supporting beam in the top of base bearing structure；
The reinforced concrete supporting beam accepts the armored concrete support rail beam base plate；
Accept the reinforced concrete beam type structure in the top of the armored concrete support rail beam base plate；
The top of the pile foundation bearing structure is embedded in the reinforced concrete supporting beam and just connects with it, the reinforced concrete supporting beam with
The armored concrete support rail beam base plate has just connect or has overlapped, the armored concrete support rail beam base plate and the reinforced beam
Formula structural integrity pours shaping so as to collectively form armored concrete support rail beam；
The convex for limiting the armored concrete support rail beam base plate lateral displacement is provided with the reinforced concrete supporting beam
Gear platform；
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
Power is carried, in case the differential settlement of support rail beam both sides backfill filler reduces vertical, the vertical and horizontal of armored concrete support rail beam
Rigidity.
2. pile foundation joist type support rail girder construction in medium-and low-speed maglev traffic engineering single line excavation location according to claim 1,
Characterized in that, the pile foundation bearing structure is cast-in-situ bored pile, reinforced concrete supporting beam has just connect or has overlapped with support rail beam base plate,
Just connect with pile foundation bearing structure.
3. pile foundation joist type support rail girder construction in medium-and low-speed maglev traffic engineering single line excavation location according to claim 1,
Characterized in that, the pile foundation bearing structure is cast-in-situ bored pile, joist has just connect or has overlapped with support rail beam base plate, carries with pile foundation
Structure just connects.
4. pile foundation joist type support rail girder construction in medium-and low-speed maglev traffic engineering single line excavation location according to claim 1,
Characterized in that, pile foundation bearing structure described in all these is arranged in ranks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057106.6U CN206157494U (en) | 2016-09-15 | 2016-09-15 | Moderate -low speed magnetic levitation traffic engineering single line excavation location supporting beam of pile foundation formula support rail girder construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057106.6U CN206157494U (en) | 2016-09-15 | 2016-09-15 | Moderate -low speed magnetic levitation traffic engineering single line excavation location supporting beam of pile foundation formula support rail girder construction |
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| CN206157494U true CN206157494U (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621057106.6U Withdrawn - After Issue CN206157494U (en) | 2016-09-15 | 2016-09-15 | Moderate -low speed magnetic levitation traffic engineering single line excavation location supporting beam of pile foundation formula support rail girder construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283971A (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 single line excavation location pile foundation joist type support rail girder construction |
-
2016
- 2016-09-15 CN CN201621057106.6U patent/CN206157494U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283971A (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 single line excavation location pile foundation joist type support rail girder construction |
| CN106283971B (en) * | 2016-09-15 | 2017-11-17 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev traffic engineering single line excavation location pile foundation joist type 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: 20170510 Effective date of abandoning: 20171117 |
|
| AV01 | Patent right actively abandoned |