CN110184863A - Board-like track girder on a kind of wide-flange beam - Google Patents
Board-like track girder on a kind of wide-flange beam Download PDFInfo
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- CN110184863A CN110184863A CN201910578791.9A CN201910578791A CN110184863A CN 110184863 A CN110184863 A CN 110184863A CN 201910578791 A CN201910578791 A CN 201910578791A CN 110184863 A CN110184863 A CN 110184863A
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- concrete
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- pier stud
- connecting key
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- 239000004567 concrete Substances 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000011513 prestressed concrete Substances 0.000 claims description 5
- 238000007596 consolidation process Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001274660 Modulus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008846 dynamic interplay Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 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
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Board-like track girder on a kind of wide-flange beam, belong to magnetic floating traffic field, track girder includes concrete railway board, edge pier stud, middle part pier stud, bottom bearing beam, plate pier connecting key, through edge pier stud, middle part pier stud, plate pier connection key connection between the concrete railway board and bottom bearing beam, the cabinet top outreach of bottom bearing beam is formed upper surface horizontal flange by the track girder, for evacuating personnel；Plate pier connecting key and edge pier stud through adjustable displacement between concrete railway board and bottom bearing beam, the connection of middle part pier stud, while a variety of line styles are provided, have structurally reasonable, power transmission is clear, novel in design, saves material, the advantages that installation accuracy is high, and vibration deformation is small.
Description
Technical field
The invention belongs to magnetic floating traffic fields, more particularly to board-like track girder on a kind of wide-flange beam.
Background technique
Magnetic suspension traffic is current rail traffic mode the fastest in the world, low etc. with high speed, energy conservation, vibration noise
Advantage.China, through autonomous innovation, is completed a plurality of magnetic and floats test wire on the basis of introducing absorption Germany technology.The world at present
Upper high-speed magnetic floatation traffic engineering not yet, lacks the railway technology to match with High Speed System, also further to excavate its speed
Advantage, exploitation high speed Maglev mode, high speed Maglev is being explored in China at present.Its speed compared with existing technology is big
It is big to improve, completely new, the higher requirement of difficulty is proposed to vehicle and track.Track structure be entire magnetic suspension traffic system the most
It is particularly necessary to develop the track structure to match with its speed for one of important subsystem.
By studying high-speed condition lower vehicle track dynamic interaction, the phases such as structure model selection, track deformation and dynamic characteristics are done
Close necessary research and reasonable analysis, it is proposed that answering suitable for the railway technology scheme of high-speed magnetic floating, and convenient for solving track girder
Construction, Over-size transport and live accurate adjustment positioning in, the key technical problems such as evacuating personnel.
Summary of the invention
Board-like track girder on a kind of wide-flange beam, it is board-like on the beam applied to high speed magnetically suspended train line to consider evacuating personnel
Track girder, which forms upper surface horizontal flange for the cabinet top outreach of bottom bearing beam, for evacuating personnel；Coagulation
Plate pier connecting key and edge pier stud through adjustable displacement between native track plates and bottom bearing beam, the connection of middle part pier stud, are realized
Power transmission is clear, and installation accuracy is high, the small purpose of vibration deformation.
The present invention adopts the following technical scheme:
Board-like track girder on a kind of wide-flange beam, can be used single line type track on beam, multiple types of line-drawing track on beam can also be used.By upper
Portion's concrete railway board, pier stud, bottom bearing beam and plate pier connecting key composition.Top concrete railway board uses deformed bar
Concrete structure.The prestressed concrete box girder that lower layer's spandrel girder uses, can be used freely supported structure or continuous structure.Pier stud,
Between top concrete railway board and bottom bearing beam, connection function is played.
Further, concrete railway board is using certain modulus as a system unit, using monolithic construction, mainly by
Concrete mainboard and integral type sliding guide plate are constituted.Concrete mainboard lower part is symmetrically distributed with two concrete ladders along plate is elongated
Shape support is immersed oneself in advance along the trapezoidal pre-buried connecting key in support direction of concrete, is formed through the pre- of concrete mainboard upper and lower surface
It boxes out hole.Integral type sliding guide plate is the angle steel that interior measuring tape has built-in fitting, and top steel plate plays the role of guide plate, side steel
Plate is used for linkage function key.Side steel plate inner wall is welded with several cylindrical built-in fittings, when casting concrete mainboard, by pre-buried
Part integral type sliding guide plate is poured with concrete mainboard connect it is integral.
Further, the prestressed concrete box girder that spandrel girder uses, lower part is cabinet, middle part hollow out.Outside cabinet top
For spread at the edge of a wing, edge of a wing upper surface is horizontal, for setting noise barrier and escape and rescue channel, meets ambient noise and safe need
It asks, in emergency and when necessary, for pedestrian's walking, in case evacuating personnel is used.Simply supported beam or continuous can be used in spandrel girder
Girder construction, can be in factory or in-situ precast, can also be cast-in-place at the scene.
Further, plate pier connecting key is immersed oneself in by connecting key in advance from top to bottom, connecting key tightening latch, connection key bolt head are constituted.
Connecting key immerses oneself in be internal cavities in advance, the steel pipe of external convex-concave, at the height which immerses oneself in advance and the trapezoidal support of concrete
Solidifying native track plate thickness it is identical.It is arranged along the trapezoidal support direction of concrete, is embedded in concrete railway board.Connecting key tightening latch
It is the entirety of consolidation with connection key bolt head, connecting key tightening latch is the internal diameter that steel pole outer diameter is less than that connecting key is immersed oneself in advance, can be in it
There is mobile space.Connecting key bolt head is the steel column for being wider than connecting key tightening latch.Its outer diameter is wider than the reserving hole internal diameter on pier shoulder.
Further, pier stud uses two kinds of forms: the edge pier stud that concrete track board ends are arranged in and setting are mixed
Middle part pier stud in the middle part of solidifying soil track plates.
Further, edge pier stud uses reinforced concrete structure, is in X-shaped.For being placed on concrete railway board edge
Load.Edge pier stud lower part pier leg is using bolt or cast-in-place is connected with bottom bearing beam.The top both ends Dun Jian respectively have one to hang down
To perforative reserving hole.
Further, middle part pier stud uses reinforced concrete structure, is rendered as sharing two T shapes arranged side by side of top pier shoulder.
For being placed on load in the middle part of concrete railway board.Middle part pier stud lower part pier leg is using bolt or cast-in-place is connected with bottom bearing beam
It connects.Respectively there is one vertical perforative reserving hole in the top quadrangle Dun Jian.
Advantages of the present invention and effect:
Railway technology of the present invention can provide enough rigidity, and effectively control vibration reduces the maglev vehicle bring of high-speed cruising
Bridge deformation.The high-speed magnetic suspension rails technical solution embodies people-oriented thought, provides a variety of line styles, and there is structure to close
The advantages that reason, power transmission is clear, novel in design, saves material, and installation accuracy is high, and vibration deformation is small.
Detailed description of the invention
Board-like track girder overall structure diagram on Fig. 1 single line beam；
Board-like track girder overall structure diagram on Fig. 2 two-wire beam；
Fig. 3 concrete railway board schematic diagram；
Fig. 4 concrete railway board perspective view；
Fig. 5 edge pier stud schematic diagram；
Pier stud schematic diagram in the middle part of Fig. 6；
The adjustable plate pier connecting key of Fig. 7 precision；
Fig. 8 connecting key is immersed oneself in advance.
Component in figure: 1 it is concrete railway board, 2 is edge pier stud, 3 is middle part pier stud, 4 is bottom bearing beam, 5 is plate
Pier connecting key, 6 be concrete mainboard, 7 be integral type sliding guide plate, 8 be trapezoidal support, 9 be reserving hole, 10 be pre-buried
Part, 11 be pier shoulder, 12 be pier leg, 13 be that connecting key immerses oneself in advance, 14 is connecting key tightening latch, 15 is connection key bolt head, 16 is flange
Plate.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments, but not
They can be interpreted as limiting the scope of the present invention.
Board-like track girder provides a variety of line styles on beam, and single line type track on beam can be used, multiple types of line-drawing rail on beam can also be used
Road, if being multi-thread slab track girder construction on spandrel girder, track plate spacing need to meet limit requirement.Each line style is by top coagulation
Native track plates 1, edge pier stud 2, middle part pier stud 3, bottom bearing beam 4 and plate pier connecting key 5 form.Top concrete railway board 1
Using 3.096 meters or other moduluses as a system unit, factory make and be machined out, lower layer's spandrel girder 4 uses
Freely supported structure or continuous structure can be used in prestressed concrete box girder.Edge pier stud 2, middle part pier stud 3 are in top concrete track
Between plate 1 and bottom bearing beam 4, connection function is played, and upper load is passed into concrete box girder.By the upper of prefabrication
Portion's concrete railway board 1 is transported to scene, passes through the company of plate pier connecting key 5 with edge pier stud 2, the middle part pier stud 3 of completion of having constructed
It is connected together, forms board-like track beam structure on beam.
1. concrete railway board
Solidifying soil track plates 1 provide three functional surfaces and the functional areas of functional areas, and directly bear train load, and by train load
Spandrel girder is passed to by edge pier stud 2, middle part pier stud 3.Concrete railway board 1 uses Integral plate type structure, cancels connecting key
And functor, it is directed laterally to plate, slides rail and stator connecting key is embedded on concrete slab.It can be with 3.096 meters or other moulds
Number is used as a system unit, and span is small, from heavy and light, easy to process and transporting and hoisting.
Solidifying soil track plates 1 are mainly made of concrete mainboard 6 and integral type sliding guide plate 7.6 lower part edge of concrete mainboard
Plate is elongated to be symmetrically distributed with the trapezoidal support 8 of two concrete, in casting concrete mainboard 6, along trapezoidal 8 side of support of concrete
13 are immersed oneself in advance to pre-buried connecting key, form the reserving hole 9 for running through 6 upper and lower surface of concrete mainboard.
Integral type sliding guide plate 7 is the angle steel that interior measuring tape has built-in fitting 10, and top steel plate plays the role of guide plate, side
Side steel plate is used for linkage function key.Side steel plate inner wall is welded with several cylindrical built-in fittings 10, when casting concrete mainboard 6,
Integral type sliding guide plate 7 poured with concrete mainboard 6 by built-in fitting 10 connect it is integral.
2. spandrel girder
The prestressed concrete box girder that bottom bearing beam 4 uses, lower part is cabinet, middle part hollow out, to mitigate dead load.Cabinet
Top outreach forms the edge of a wing, and edge of a wing upper surface is horizontal, for setting noise barrier and escape and rescue channel, meet ambient noise and
Demand for security, in emergency and when necessary, for pedestrian's walking, in case evacuating personnel is used.Letter can be used in bottom bearing beam 4
Strutbeam or beam structure, can be in factory or in-situ precast, can also be cast-in-place at the scene.
3. plate pier connecting key
Plate pier connecting key 5 is for being connected and fixed concrete railway board 1 and pier stud 2,3.Using the adjustable design of precision.It can meet
Accurate adjustment needs when installation, and can be consolidated after the completion of adjusting with backbar locking, while meeting route using fortune
Second level is adjustable when row order section is because settling and deforming accumulation.
Plate pier connecting key 5 is immersed oneself in 13, connecting key tightening latch 14 in advance by connecting key from top to bottom, connection key bolt head 15 is constituted.Even
Connecing key and immersing oneself in 13 in advance is internal cavities, the steel pipe of external convex-concave, which immerses oneself in 13 height and the trapezoidal support 8 of concrete in advance
1 thickness of concrete railway board at place is identical.In casting concrete track plates 1, fitting is immersed oneself in 13 in advance along the trapezoidal branch of concrete
The setting of 8 directions of seat, is embedded in concrete railway board 1.
Connecting key tightening latch 14 and connection key bolt head 15 are the entirety of consolidation, and connecting key tightening latch 14 is that steel pole outer diameter is less than connection
Key immerses oneself in 13 internal diameter in advance, can there is mobile space in it.Connecting key bolt head 15 is the steel column for being wider than connecting key tightening latch 14.Outside it
Diameter is wider than the reserving hole internal diameter on pier shoulder 11, and working is to be fixedly connected with key bolt bar 14 not extracted from pier stud 2,3.It pours
Before, connection key bolt head 15, connecting key tightening latch 14 are fixed below.Effect is fixed position, and resistance to plucking.
When construction, when pier stud is installed, the trapezoidal support 8 of concrete is placed on pier stud by the lifting of concrete railway board 1
On, the reserving hole of the reserving hole and pier shoulder 11 that make solidifying native track plates 1 is opposite.By the reserving from pier shoulder 11 of connecting key tightening latch 14
It it is upward through pier shoulder 11 below hole is inserted into and be embedded in the connecting keys of solidifying native track plates 1 and immerse oneself in 13 in advance.Connect key bolt head 15
It is close to 11 lower edge of pier shoulder.Connecting key tightening latch 14, which can immerse oneself in advance 13 in connecting key, certain mobile space, so as to adjust concrete rail
The relative horizontal position of guidance tape 1 and pier stud 2,3, then 1 He of concrete railway board can adjust by the flanged plate 16 on 11 top of pier shoulder
The opposite vertical position of pier stud 2,3 immerses oneself in pour in 13 in advance to reach precision adjustable effect after position determines in connecting key
Concrete, till soleplate pier connecting key 5 link together concrete railway board 1 and pier stud 2,3.
4. pier stud
Pier stud 2,3 is used to the load of top concrete railway board 1 passing to bottom bearing beam 4, plays connection concrete track
Plate 1 and spandrel girder 4, and transmit the effect of load.Pier stud of the invention uses two kinds of forms, edge pier stud 2 and middle part pier stud 3.
The setting of edge pier stud 2 is at 1 both ends of concrete railway board, and the setting of middle part pier stud 3 is at 1 middle part of concrete railway board.
Edge pier stud 2 uses reinforced concrete structure, is in X-shaped.For being placed on 1 edge load of concrete railway board.Side
Pier stud 2 lower part pier leg 12 in portion's is using bolt or cast-in-place is connected with bottom bearing beam 4.The top both ends Dun Jian11 respectively have one vertical
Perforative reserving hole is passed through for connecting key tightening latch 14, is used with connecting top concrete railway board 1.
Middle part pier stud 3 uses reinforced concrete structure, is rendered as sharing two T shapes arranged side by side of top pier shoulder 11.For putting
It sets in 1 middle part load of concrete railway board.Pier stud 3 lower part pier leg 12 in middle part is using bolt or cast-in-place is connected with bottom bearing beam 4
It connects.11 4 jiaos of top pier shoulder respectively has one vertical perforative reserving hole, passes through for connecting key tightening latch 14, mixed to connect top
Solidifying soil track plates 1 are used.
Claims (10)
1. board-like track girder on a kind of wide-flange beam, which is characterized in that the track girder includes concrete railway board (1), edge
Pier stud (2), middle part pier stud (3), bottom bearing beam (4), plate pier connecting key (5), the concrete railway board (1) are prestress steel
Tendon concrete structure, bottom bearing beam (4) are prestressed concrete box girder, the concrete railway board (1) and bottom bearing beam
(4) it is connected between through edge pier stud (2), middle part pier stud (3), plate pier connecting key (5), the edge pier stud (2) is set to every piece
Below concrete railway board (1) edge, middle part pier stud (3) is set to lower section, the concrete rail in the middle part of concrete railway board (1)
Guidance tape (1) is that concrete mainboard (6) both sides are equipped with integral type sliding guide plate (7), the concrete railway board (1) and edge pier
Column (2), middle part pier stud (3) are connected using plate pier connecting key (5), and junction is equipped with adjustment gap, concrete railway board (1)
It is fixed with after edge pier stud (2), the adjustment of middle part pier stud (3) position, the edge pier stud (2), middle part pier stud (3) lower part can be used
Bolt or cast-in-place mode are connected with bottom bearing beam (4), and bottom bearing beam (4) lower part is cabinet, middle part hollow out, cabinet
Top outreach forms the edge of a wing, and edge of a wing upper surface is horizontal.
2. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the concrete railway board
(1) two parallel trapezoidal supports of concrete (8) are symmetrically distributed with along plate is elongated on bottom surface, along the trapezoidal support of concrete (8)
The pre-buried connecting key in direction is immersed oneself in (13) in advance, forms the reserving hole (9) for running through concrete mainboard (6) upper and lower surface.
3. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the plate pier connecting key
(5) immersed oneself in advance by connecting key from top to bottom (13), connecting key tightening latch (14), connection key bolt head (15) constitute, the connecting key is pre-
(13) generally cylinder is immersed oneself in, upper section is horn mouth, and middle part is the cylinder that outer diameter is greater than upper-lower section, and surface forms concave-convex knot
Structure, the height that connecting key immerses oneself in (13) in advance is identical as solidifying native track plates (1) thickness at the trapezoidal support of concrete (8), connecting key
Tightening latch (14) and connection key bolt head (15) are the entirety of consolidation, and connecting key tightening latch (14) is steel pole, and it is pre- that outer diameter is less than connecting key
The internal diameter for immersing oneself in (13) has mobile space in it, and connection key bolt head (15) is the steel column for being wider than connecting key tightening latch (14), outside
Diameter is wider than the reserving hole internal diameter on pier shoulder (11).
4. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the integral type, which slides, to be led
It is equipped with cylindrical built-in fitting (10) with concrete mainboard (6) junction inside on plate (7), the two is connected through built-in fitting (10),
The integral type sliding guide plate (7) is steel angle structure, and top steel plate is guide plate, side steel plate linkage function key.
5. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the edge pier stud (2)
It is in X-shaped, respectively there is one vertical perforative reserving hole at top pier shoulder (11) both ends using reinforced concrete structure.
6. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the middle part pier stud (3)
Using reinforced concrete structure, it is rendered as sharing two T shapes arranged side by side of top pier shoulder (11), top pier shoulder (11) quadrangle respectively has one
A vertical perforative reserving hole.
7. board-like track girder on a kind of wide-flange beam according to claim 5 or 6, which is characterized in that the edge pier stud
(2) or middle part pier stud (3) and connecting key immerse oneself in be equipped with flanged plate (16) between (13) in advance.
8. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the track girder can be used
Single line type track or two-wire type track or multiple types of line-drawing track on beam.
9. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that lower layer's spandrel girder
(4) freely supported structure or continuous structure are used.
10. board-like track girder on a kind of wide-flange beam according to claim 1, which is characterized in that the concrete track
Plate (1) is using certain modulus as a system unit, using monolithic construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578791.9A CN110184863A (en) | 2019-06-28 | 2019-06-28 | Board-like track girder on a kind of wide-flange beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578791.9A CN110184863A (en) | 2019-06-28 | 2019-06-28 | Board-like track girder on a kind of wide-flange beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110184863A true CN110184863A (en) | 2019-08-30 |
Family
ID=67724235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910578791.9A Pending CN110184863A (en) | 2019-06-28 | 2019-06-28 | Board-like track girder on a kind of wide-flange beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110184863A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381974A (en) * | 2021-11-08 | 2022-04-22 | 中铁二院工程集团有限责任公司 | Buckle plate type frame high-speed magnetic suspension track structure and construction method thereof |
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|---|---|---|---|---|
| CN114381974A (en) * | 2021-11-08 | 2022-04-22 | 中铁二院工程集团有限责任公司 | Buckle plate type frame high-speed magnetic suspension track structure and construction method thereof |
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