CN208440930U - A kind of cross-saddle single-track traffic single line steel-composite rail beam structure - Google Patents
A kind of cross-saddle single-track traffic single line steel-composite rail beam structure Download PDFInfo
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- CN208440930U CN208440930U CN201821054810.5U CN201821054810U CN208440930U CN 208440930 U CN208440930 U CN 208440930U CN 201821054810 U CN201821054810 U CN 201821054810U CN 208440930 U CN208440930 U CN 208440930U
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Abstract
The utility model relates to a kind of cross-saddle single-track traffic single line steel-composite rail beam structures, including top plate, middle pectoral plate, bottom plate, intermediate bulkhead, side partition, coxostermum, bridge deck concrete and bottom plate ballast concrete, the top plate, middle pectoral plate, intermediate bulkhead and bottom plate form box-structure, the bridge deck concrete is located on box-structure, the coxostermum, side partition, middle pectoral plate and bottom plate outstanding leg form steel tank structure, inside steel tank, entire girder cross section is in inverted T-type structure for the bottom plate ballast concreting.The utility model uses inverted T shaped girder section, and beam body lateral stiffness is big, and structure transverse direction index is superior；By the way that bottom plate ballast concrete is perfused in the steel tank of bottom plate two sides, solve the problems, such as that it is poor to be easy to appear negative reaction, stability against overturning for single line beam in the prior art.
Description
Technical field
The utility model relates to science of bridge building fields, and in particular to a kind of cross-saddle single-track traffic single line steel-is mixed to combine rail
Road girder construction.
Background technique
Cross-saddle single-track traffic be by electric traction, have it is special guiding and switching device, train marshalling list operate in it is dedicated
Middle freight volume Rail Transit System on track girder.Mainly have following characteristics: (1) based on elevated structure, occupied area is few, track
Beam width is narrow, occupies little space.(2) adhesive performance of rubber tyre is good, is conducive to acceleration and deceleration, is conducive on steep gradient, is small
It is run on radius curve, is adapted to zig zag and heavy grade, has preferable applicability to complicated landform.(3) route selection is easy, and is torn open
The amount of moving is few.(4) vehicle sets up travelling wheel, directive wheel separately, and uses rubber tyre and air spring bogie, force dispersion, traveling
Low noise.(5) civil engineering is simple, and the construction period is short, invests less.Cross-saddle single-track traffic is as metropolitan integrative traffic system
An organic component, more and more paid close attention to by people, have good development prospect.
From economically and reasonably angle, track girder generally uses the Simply supported PC beam conduct of 20m~30m
Standard spanning, but due to the line condition of Traffic Systems complexity, it is often necessary to the bridge of arrangement more large span carrys out overpass bridge
Lower barrier.Steel-concrete combined track beam large carrying capacity, relatively light, material reasonable stress of being self-possessed, and have biggish
Span ability overcomes the disadvantage that concrete continuous beam pop-up PC track girder scenario-frame is thick and heavy, working procedure is complicated, simultaneously
Also improve that steel track beam scheme steel using amount is big, vibrating noise is big, the problem of skidding is easy between wheel and beam body, it is general in design
It is preferential to use.
Currently, being provided with two-wire steel-mixed rail beam of bottom lateral bracing structure in cities such as China Guilin, Anyang, Wuhu
It is widely used in city's monorail transit, but bondbeam lateral stiffness is poor, is easy to negative reaction occur since single line steel-in the prior art is mixed
With problem of laterally toppling, the country there is no the use precedent of the mixed bondbeam of single line steel-.However in Practical Project, often some work points
Design will appear single line or three line juxtapositions and the biggish line arrangement situation of line spacing, therefore, be badly in need of a kind of suitable for single line line
Steel-the mixed rail beam on road.
Utility model content
For the above-mentioned technical problems in the prior art, the purpose of this utility model is to provide a kind of straddle-type lists
Rail traffic single line steel-composite rail beam structure, with overcome in the prior art single line steel-mixed rail beam lateral stiffness it is poor,
It is easy to the problem of negative reaction occur and laterally toppling.
In order to achieve the above objectives, the utility model adopts the following technical solution: a kind of cross-saddle single-track traffic single line steel-is mixed
Combined track beam structure, including top plate, middle pectoral plate, bottom plate, intermediate bulkhead, side partition, coxostermum, bridge deck concrete and bottom plate
Ballast concrete, the top plate, middle pectoral plate, intermediate bulkhead and bottom plate form box-structure, and the bridge deck concrete is located at case
On type structure, the coxostermum, side partition, middle pectoral plate and bottom plate outstanding leg form steel tank structure, and the bottom plate ballast is mixed
Solidifying soil pours inside steel tank, and entire girder cross section is in inverted T-type structure.
Further, the top plate of the box-structure is connected with bridge deck concrete by multiple WELDING STUDSs.
Further, WELDING STUDS is disposed with by detailing requiments on the steel tank range inner bottom plating.
Further, horizontal on the side partition to be equipped with row's circular hole, bar dowel is worn in the circular hole, forms shearing bond
Structure, to reinforce the connection of side partition Yu bottom plate ballast concrete.
Further, be disposed with connection steel mesh in the bottom plate ballast concrete, the connection steel mesh by each side every
It is perpendicular with horizontal plane where longitudinal reinforcement between the longitudinal reinforcement and each side partition of horizontal homogeneous arrangement along longitudinal direction between plate
Transverse steel mesh sheet composition, the connection steel mesh and bottom plate ballast concrete form overall structure.
Further, the side divider height is lower than coxostermum height, on the bottom plate ballast concrete inboard partition
It is horizontally disposed to have Reinforcement.
Further, the bottom plate ballast concrete upper surface is equipped with cutting, and the cutting is transversely arranged, length and bottom
Plate ballast concrete equivalent width.
Further, the coxostermum, middle pectoral plate are sealed with the contact longitudinal joint of bottom plate ballast concrete using sealant.
Further, the cross-saddle single-track traffic single line steel-composite rail beam structure uses ball shaped steel bearing, described
Ball shaped steel bearing is set to below beam-ends coxostermum, and is connected by the way of case outer bolt, case inner sleeve.
Further, lower section is provided with nested type falling-off prevention measures in the middle part of girder.
Compared with prior art, the utility model has the following beneficial effects: increasing beam by using inverted T shaped girder section
Body lateral stiffness, structure transverse direction index is more superior, solves the outstanding problem of single line beam transverse direction index error；By in bottom plate two
Bottom plate ballast concrete is perfused in the steel tank of side, it is poor to solve the problems, such as that single line beam is easy to appear negative reaction, stability against overturning；It is logical
Cancellation side wing is crossed, uses steel tank construction instead, solves the problems, such as that closing steel box structure steel using amount is larger, the single line beam scheme steel
It measures only with the 60% of span two-wire beam, meanwhile, steel tank construction can and play concreting mould plate；By in bottom plate
Ballast concrete top configures the measures such as Reinforcement, surface groove, efficiently reduces and reduce concrete surface
Cracking phenomena improves the durability of structure；By reducing side divider height, middle pectoral plate, coxostermum and bottom plate both ensure that
Connection, and avoid simultaneously to bottom plate ballast concrete top Reinforcement arrangement influence；Using ball shaped steel bearing
Scheme, change conventional rails beam setting pulling force support habit, solve support preburying part point constructional difficulties, carrier setting bolt by
The problems such as power is big, single support configuration is poor to beam body lateral confinement ability；Beam body steel construction is manufactured in factory, bottom plate ballast concrete
It is poured on bridge at the scene, does not transport and lift weight to structure and impact.
Cross-saddle single-track traffic single line steel-composite rail beam structure involved in the utility model is suitable for single line, double
Line or multi-thread route；Suitable for straight line, curve circuit；Suitable for freely-supported or continuous structure；Suitable for all types of single-track vehicles.It should
Cross-saddle single-track traffic single line steel-composite rail beam structure, which is suitble to promote in straddle-type monorail engineering construction, to be used.
Detailed description of the invention
Fig. 1 is a kind of cross-saddle single-track traffic single line steel-mixed rail beam knot involved in the utility model embodiment
Schematic cross-sectional view at structure fulcrum；
Fig. 2 is a kind of cross-saddle single-track traffic single line steel-mixed rail beam knot involved in the utility model embodiment
The schematic cross-sectional view of structure span centre part；
Fig. 3 is bottom plate ballast concrete cross section steel bar arrangement schematic diagram involved in the utility model embodiment；
Fig. 4 is a kind of cross-saddle single-track traffic single line steel-mixed rail beam knot involved in the utility model embodiment
The plan view of structure.
In figure:
1- bridge deck concrete；2- top plate；3- middle pectoral plate；4- intermediate bulkhead；5- coxostermum；The side 6- partition；7- bottom plate；8-
Bottom plate ballast concrete；9- circular hole；10- WELDING STUDS；11- connection steel mesh；12- Reinforcement.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-4, a kind of cross-saddle single-track traffic single line steel-composite rail beam structure, including top plate 2, intermediate abdomen
Plate 3, bottom plate 7, intermediate bulkhead 4, side partition 6, coxostermum 5, bridge deck concrete 1 and bottom plate ballast concrete eight, the top plate 2, in
Intersternite 3, intermediate bulkhead 4 and bottom plate 7 form box-structure, and the bridge deck concrete 1 is located on box-structure, and by cutting
Power nail 10 is connected；The coxostermum 5, side partition 6, middle pectoral plate 3 and 7 outstanding leg of bottom plate form steel tank structure, the bottom plate pressure
Loaded concrete 8 pours inside steel tank, solves the problems, such as that single line beam is easy to appear negative reaction and stability against overturning is poor；Entirely
Girder cross section is in inverted T-type structure, increases beam body lateral stiffness, structure transverse direction index is more superior, steel tank range inner bottom plating
On by detailing requiments be disposed with WELDING STUDS 10.
Further, horizontal on the side partition 6 to be equipped with row's circular hole 9, bar dowel is worn in the circular hole 9, forms shearing
Bond structure, to reinforce the connection of side partition 6 Yu bottom plate ballast concrete eight.In addition, being disposed in the bottom plate ballast concrete eight
Steel mesh 11 is connected, the connection steel mesh 11 is by the longitudinal reinforcement that horizontal homogeneous is arranged along longitudinal direction between each side partition 6 and respectively
It is formed between side partition 6 with the perpendicular transverse steel mesh sheet of horizontal plane where longitudinal reinforcement, the connection steel mesh 11 and bottom
Plate ballast concrete eight forms overall structure.
In the present embodiment, 6 height of side partition is lower than 5 height of coxostermum, the bottom plate ballast concrete eight inboard partition
Horizontally disposed on 6 to have Reinforcement 12, the bottom plate ballast concrete eight upper surface is equipped with cutting, and the cutting is along cross
To setting, length and bottom plate ballast concrete equivalent width.The utility model is longitudinal by configuring in bottom plate ballast concrete eight
Cutting is arranged on bottom plate ballast concrete eight surface in steel bar stress 12, and the cracking that can effectively reduce and reduce concrete surface is existing
As improving the durability of structure.In addition, both ensure that middle pectoral plate 3, coxostermum 5 and bottom plate 7 by reducing by 6 height of side partition
Connection, and avoid simultaneously in bottom plate ballast concrete eight Reinforcement 12 arrange influence.The coxostermum 5, in
Intersternite 3 is sealed with the contact longitudinal joint of bottom plate ballast concrete eight using sealant.
Cross-saddle single-track traffic single line steel-composite rail beam structure described in the present embodiment uses ball shaped steel bearing, described
Ball shaped steel bearing is set to 5 lower section of beam-ends coxostermum, and is connected and (do not shown by the way of case outer bolt, case inner sleeve in figure
Out), the present embodiment uses ball shaped steel bearing scheme, changes the habit of conventional rails beam setting pulling force support, solves support
Preburying part divides the problems such as constructional difficulties, carrier setting bolt stress are big, single support configuration is poor to beam body lateral confinement ability.
In addition, it is anti-to be provided with nested type for lower section in the middle part of the utility model girder to avoid the generation for vertically and horizontally falling beam accident
Fall beam measure.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (10)
1. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure, which is characterized in that including top plate, middle pectoral plate,
Bottom plate, intermediate bulkhead, side partition, coxostermum, bridge deck concrete and bottom plate ballast concrete, the top plate, middle pectoral plate, centre
Partition and bottom plate form box-structure, and the bridge deck concrete is located on box-structure, the coxostermum, side partition, centre
Web and bottom plate outstanding leg form steel tank structure, and the bottom plate ballast concreting is inside steel tank, entire girder cross section
In inverted T-type structure.
2. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In the top plate of the box-structure is connected with bridge deck concrete by multiple WELDING STUDSs.
3. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In being disposed with WELDING STUDS by detailing requiments on the steel tank range inner bottom plating.
4. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In, it is horizontal on the side partition to be equipped with row's circular hole, bar dowel is worn in the circular hole, forms shear connector structure, with reinforce side every
The connection of plate and bottom plate ballast concrete.
5. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In being disposed with connection steel mesh in the bottom plate ballast concrete, the connection steel mesh is by water along longitudinal direction between each side partition
The transverse steel mesh sheet group perpendicular with horizontal plane where longitudinal reinforcement between the flat longitudinal reinforcement and each side partition being evenly arranged
At the connection steel mesh and bottom plate ballast concrete form overall structure.
6. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
It is lower than coxostermum height in, the side divider height, it is horizontally disposed on the bottom plate ballast concrete inboard partition to have longitudinal direction
Steel bar stress.
7. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In the bottom plate ballast concrete upper surface is equipped with cutting, and the cutting is transversely arranged, and length and bottom plate ballast concrete are wide
Degree is consistent.
8. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In the coxostermum, middle pectoral plate are sealed with the contact longitudinal joint of bottom plate ballast concrete using sealant.
9. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In the cross-saddle single-track traffic single line steel-composite rail beam structure uses ball shaped steel bearing, the ball shaped steel bearing setting
Below beam-ends coxostermum, and connected by the way of case outer bolt, case inner sleeve.
10. a kind of cross-saddle single-track traffic single line steel-composite rail beam structure according to claim 1, feature exist
In lower section is provided with nested type falling-off prevention measures in the middle part of girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821054810.5U CN208440930U (en) | 2018-07-04 | 2018-07-04 | A kind of cross-saddle single-track traffic single line steel-composite rail beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821054810.5U CN208440930U (en) | 2018-07-04 | 2018-07-04 | A kind of cross-saddle single-track traffic single line steel-composite rail beam structure |
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| CN208440930U true CN208440930U (en) | 2019-01-29 |
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| CN201821054810.5U Active CN208440930U (en) | 2018-07-04 | 2018-07-04 | A kind of cross-saddle single-track traffic single line steel-composite rail beam structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677627A (en) * | 2018-07-04 | 2018-10-19 | 中铁工程设计咨询集团有限公司 | A kind of cross-saddle single-track traffic single line steel-composite rail beam structure |
| CN112853826A (en) * | 2021-01-14 | 2021-05-28 | 中铁工程设计咨询集团有限公司 | Straddle type single-rail steel-concrete combined rail beam box type girder assembling method |
-
2018
- 2018-07-04 CN CN201821054810.5U patent/CN208440930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677627A (en) * | 2018-07-04 | 2018-10-19 | 中铁工程设计咨询集团有限公司 | A kind of cross-saddle single-track traffic single line steel-composite rail beam structure |
| CN112853826A (en) * | 2021-01-14 | 2021-05-28 | 中铁工程设计咨询集团有限公司 | Straddle type single-rail steel-concrete combined rail beam box type girder assembling method |
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