CN207812257U - A kind of suspension type monorail Long span track girder system - Google Patents
A kind of suspension type monorail Long span track girder system Download PDFInfo
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- CN207812257U CN207812257U CN201721564225.5U CN201721564225U CN207812257U CN 207812257 U CN207812257 U CN 207812257U CN 201721564225 U CN201721564225 U CN 201721564225U CN 207812257 U CN207812257 U CN 207812257U
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- girder
- tower
- bridge
- track girder
- suspension type
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Abstract
The utility model belongs to technical field of rail traffic, and disclose a kind of suspension type monorail Long span track girder system, including girder and steel case track girder, the longitudinal direction of girder extends along the longitudinal direction, it includes top beam and two side casees, and two side casees are mutually parallel and are separately positioned on the left and right ends of the top beam bottom；The two side casees in left and right are each passed through the bridge tower of respective side and in the bridge towers of respective side, to realize being fixedly connected for bridge tower and girder；In addition, each side case is connected by the bridge tower of suspension cable and respective side respectively；There are two the steel case track girder settings, and the longitudinal direction of each steel case track girder extends along the longitudinal direction, and each steel case track girder is suspended on respectively on the top beam, and the two described steel case track girders are respectively positioned between two side casees.The utility model is simple for structure, the clear feature of stress, the structure safety for solving suspension type monorail Long span track girder and the requirement using function.
Description
Technical field
The utility model belongs to technical field of rail traffic, more particularly, to a kind of suspension type monorail Long span track
Girder system is united.
Background technology
The new technique of suspension type monorail traffic category rail traffic, suspension type rail traffic can not only be followed without technical specification,
And can be for reference data it is less, suspension type rail traffic has very long history in developed countries, but various countries are hung
Formula single track is based on conventional across footpath (across footpath≤30m).Only two test wires also use conventional span setting, institute at present in China
It is the extremely urgent task of current suspension type monorail with suspension type monorail Long span track girder system.
Domestic test wire uses the light section steel case track beam structure with external bottom plate opening, steel track beam exist it is wide across
Than small, easy buckling, bearing capacity is small, deformation is big, perishable the problems such as, track beam structure unification hampers pushing away for suspension type rail
Extensively.
After conventional steel case track beam structure span is more than 35m, the vertical deflection of track girder is difficult to meet《Railway bridges and culverts is set
Count specification》(TB 10002-2017) and《Metro design code》(GB50157-2013) to the maximum allowable amount of deflection of bridge structure in
Requirement.
The research of track girder both at home and abroad at present is concentrated mainly on conventional suspension bridge structural system research, regular spans
Suspension type monorail bridge structure system accounting in construction it is great, but it is various due to city or scenic spot across obstacle
Property, suspension type monorail Long span track girder is indispensable, becomes the key node that can suspension type be implemented, institute sometimes
To solve the task that suspension type monorail Long span track girder system is extremely urgent.
In conclusion though suspension type monorail traffic system is in the existing one-hundred-year history of foreign countries, both at home and abroad can be for reference
Research data is considerably less, and country's test wire is all made of the light section steel case track girder of bottom plate opening at present, domestic not yet to suspension
Formula monorail traffic system carries out systematic research, and there is also some urgent problems to be solved.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of suspension type monorail Long span
Track girder system, simple for structure, the clear feature of stress, solve suspension type monorail Long span track girder structure safety and
Use the requirement of function.
To achieve the above object, according to the utility model, a kind of suspension type monorail Long span track girder system is provided,
It is characterized in that, including girder and steel case track girder, wherein
The longitudinal direction of the girder extends along the longitudinal direction comprising top beam and two side casees, two side casees are mutually flat
Row, and each side case is separately positioned on the left and right ends of the top beam bottom, to make the girder be inverted U shape；It is left
Right two side casees are each passed through the bridge tower of respective side and in the bridge towers of respective side, to realize bridge tower and
Girder is fixedly connected；In addition, each side case is connected by the bridge tower of suspension cable and respective side respectively；
There are two the steel case track girder settings, and the longitudinal direction of each steel case track girder extends along the longitudinal direction, often
A steel case track girder is suspended on respectively on the top beam, and the two described steel case track girders are respectively positioned on two sides
Between case.
Preferably, the part that the bridge tower is located at the top of top beam is upper king-post strut, the affixed horizontal-associate of bridge tower by top beam and
Two upper king-post struts in left and right are fixed together.
Preferably, the side case includes tower beam consolidation section, girder transition and girder standard paragraphs, and the tower beam consolidation section is embedding
Enter in the bridge tower and its both ends exposes to the bridge tower, the thickness of the tower beam consolidation section is more than the master
The thickness of beam standard paragraphs, the tower beam consolidation section carry out being connected transition with the girder standard paragraphs by the girder transition.
Preferably, the part that the bridge tower is located at the lower section of top beam is lower king-post strut, and bridge tower bottom end rail will left and right two
The lower king-post strut is fixed together.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Row advantageous effect：
1) " Qiao Xiaqiao " architectural concept that the suspension type monorail Long span track girder system of the utility model proposes, i.e. girder
Structure be divided into two layers, upper layer is greatly across structure of main bridge, and lower layer is suspension type rail beam." Qiao Xiaqiao " architectural concept has structure
Succinctly, the clear feature of stress, the structure safety for solving suspension type monorail Long span track girder and the requirement using function.
2) the affixed inverted U-shaped cable-stayed bridge suspension type monorail Long span rail system of the tower beam of the utility model, cable-stayed bridge it is more
Point elasticity support system ensure that the requirement of large-span structure stress, deformation, rigidity, tower beam consolidation ensure that the anti-of highlight lines area
Shake, the requirement of traffic safety and comfort.
3) construction of the suspension type monorail Long span track girder system of the utility model is ripe, convenient and efficient：The body
Cantilever method, swivel, support cast-in-place any type construction method can be used in system according to field condition, and construction can be according to place
The method that situation chooses economic security.
4) the suspension type monorail Long span track beam structure combined altitudes of the utility model are small, and occupancy volume is also small, save
It space and is easily installed.
5) repair and maintenance of the suspension type monorail long span structure of the utility model is convenient.
Description of the drawings
Fig. 1 is Long span girder cross-sectional configuration figure in the utility model；
Fig. 2 is tower beam consolidation cross-sectional configuration figure in the utility model；
Fig. 3 is tower beam consolidation facade structural map in the utility model；
Fig. 4 is cable-stayed bridge elevational schematic view in the utility model.
In figure：1- steel case track girders；The inverted U-shaped girders of 2-；The inverted U-shaped Side boxes of 3-；4- suspension cables；5- vehicle gauges；6-
Embedded bridge tower girder；；The affixed horizontal-associate of 7- bridge towers；8- bridge tower bottom end rails；9- upper king-post struts；10- lower king-post struts；11- girder standard paragraphs masters
Beam；12- bridge towers increase place's girder；13- girder girder transitions；14- tower beam consolidations；15- bridge towers.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
Referring to Fig.1~Fig. 4, a kind of suspension type monorail Long span track girder system, including girder and steel case track girder 1,
In,
The longitudinal direction of the girder extends along the longitudinal direction comprising top beam 2 and two side casees 3, two side casees 3 are mutual
It is parallel, and each side case 3 is separately positioned on the left and right ends of 2 bottom of the top beam, to make the girder in U
Shape；The two side casees 3 in left and right are each passed through and are embedded in the bridge tower 14 of respective side, to form tower beam consolidation structure in intersection
6；In addition, each side case 3 is connect by suspension cable 4 with the bridge tower 14 of respective side respectively；
There are two the settings of steel case track girder 1, and the longitudinal direction of each steel case track girder 1 extends along the longitudinal direction,
Each steel case track girder 1 is suspended on respectively on the top beam 2, and the two described steel case track girders 1 are respectively positioned on two
Between the side case 3.Steel case track girder 1 is for hanging monorail train, when two monorail trains are parallel, it should be noted that there are vehicle limits
Boundary 5.
Further, the part that the bridge tower 14 is located at the top of top beam 2 is upper king-post strut 9, and the affixed horizontal-associate of bridge tower 7 will top
Two upper king-post struts of beam 2 and left and right are fixed together.
Further, the side case 3 includes tower beam consolidation section 12, girder transition 13 and girder standard paragraphs 11, the tower beam
Consolidation section 12 is embedded in the bridge tower 14 and its both ends exposes to the bridge tower 14, the tower beam consolidation section 12
Thickness be more than the thickness of the girder standard paragraphs 11, the tower beam consolidation section 12 and the girder standard paragraphs 11 pass through the master
Beam transition 13 carries out linking transition.
Further, the part that the bridge tower 14 is located at the lower section of top beam 2 is lower king-post strut 10, and bridge tower bottom end rail 8 will be left
Right two lower king-post struts are fixed together.
For the existing suspension type rail beam built up using the bridge span structure form of the steel box of bottom plate opening, one is proposed
The kind feasible scheme of suspension type monorail Long span track girder system, specific technical measures are as follows：
1. the utility model uses inverted U-shaped section, the babinet being oppositely arranged using two to form the shape of falling U section with top plate,
The platform sling of pre-buried suspended rail beam, suspension type rail beam can be suspended on the top plate between two tanks below top plate between two tanks
Under.
2. suspension cable 4 is anchored in the body beam of structure section both sides, forms multiple spot and flexibly support architecture.
3. to reduce structure section size, received in cable-stayed bridge pylon, the both sides case 3 " insertion " of inverted U-shaped section is arrived into king-post
Middle formation tower beam is affixed, and one of horizontal-associate is arranged on tower wide scope inner beam, and below the driving limit of suspension train
One of horizontal-associate is set, bridge tower transverse frame system is constituted.
4. tower beam is affixed, spanning both ends can locally increase section.
5. the top plate of inverted U-shaped section, both sides case 3 are respectively provided with, longitudinal prestressing steel beam meets operation and the stress of construction is wanted
It asks, the top plate of inverted U-shaped section is also provided with lateral prestressing tendon.
It solves the technical issues of suspension type monorail Long span by the above measure, ensure that the rigidity of large-span structure and steady
It is qualitative, while sufficient space is provided for equipment installation, the back of structure can be used as maintenance and evacuation platform, and large-span structure is also applied
Work is convenient.
Cantilever method, swivel, branch can be used in the suspension type monorail Long span track girder system of the utility model institute utility model
The cast-in-place construction method of frame.The construction method above first completes pile foundation construction after-pouring cushion cap first, then existing using creeping formwork
Pour construction bridge tower and reserved tower beam consolidation part girder longitudinal prestressing pipeline and reinforcing bar etc..Swivel and support cast-in-place are equal to girder
The inverted U-shaped beam of proping construction, and tensioning girder prestressing force are taken, main girder construction is completed and is followed by tensioning suspension cable 4, striking peace
Bridge lower railway beam is filled, bridge Suo Li is finally adjusted to and completes other attached installations.The construction method that cantilever method pours is taken, is completed
Pier-side bracket and template are set after bridge tower construction at king-tower, assembling reinforcement pours into a mould Cast-in-Situ Segment under tower, waits for that concrete strength is met the requirements
Afterwards, end mould, side form and internal model are removed, tensioning vertically and horizontally prestressing tendon, the then symmetrical assembly dragging suspension basket on girder, using leading
Rope Hanging Basket sets up side in the symmetrically piecewise cantilever of tower both sides, and the suspension cable 4 and prestressing force of the corresponding segment of tensioning, reasonable arrangement time
Lateral opening Cast-in-Situ Segment is poured across falsework, after completing main beam structure construction, mounting bridge lower railway beam is finally adjusted to bridge Suo Li and completes
Other attached installations.Whole structure is arranged such that the suspension type monorail Long span track beam structure is compact in a word, and the scale of construction is smaller,
Simultaneously again so that its construction is simple, structure are beautiful.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of suspension type monorail Long span track girder system, which is characterized in that including girder and steel case track girder, wherein
The longitudinal direction of the girder extends along the longitudinal direction comprising and top beam and two side casees, two side casees are mutually parallel, and
And each side case is separately positioned on the left and right ends of the top beam bottom, to make the girder be inverted U shape；Left and right two
Side case is each passed through the bridge tower of respective side and in the bridge tower of respective side, to realize bridge tower and girder
It is fixedly connected；In addition, each side case is connected by the bridge tower of suspension cable and respective side respectively；
There are two the steel case track girder settings, and the longitudinal direction of each steel case track girder extends along the longitudinal direction, Mei Gesuo
Steel case track girder is stated to be suspended on respectively on the top beam, and the two described steel case track girders be respectively positioned on two side casees it
Between.
2. a kind of suspension type monorail Long span track girder system according to claim 1, which is characterized in that the bridge bridge
The part that tower is located at the top of top beam is upper king-post strut, and two upper king-post struts of top beam and left and right are fixedly connected by the affixed horizontal-associate of bridge tower
Together.
3. a kind of suspension type monorail Long span track girder system according to claim 1, which is characterized in that the side luggage
Include tower beam consolidation section, girder transition and girder standard paragraphs, the tower beam consolidation section be embedded in the bridge tower and its two
End exposes to the bridge tower, and the thickness of the tower beam consolidation section is more than the thickness of the girder standard paragraphs, the tower beam
Consolidation section carries out being connected transition with the girder standard paragraphs by the girder transition.
4. a kind of suspension type monorail Long span track girder system according to claim 1, which is characterized in that the bridge bridge
The part that tower is located at the lower section of top beam is lower king-post strut, and two lower king-post struts in left and right are fixed together by bridge tower bottom end rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564225.5U CN207812257U (en) | 2017-11-21 | 2017-11-21 | A kind of suspension type monorail Long span track girder system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564225.5U CN207812257U (en) | 2017-11-21 | 2017-11-21 | A kind of suspension type monorail Long span track girder system |
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| Publication Number | Publication Date |
|---|---|
| CN207812257U true CN207812257U (en) | 2018-09-04 |
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ID=63334094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721564225.5U Active CN207812257U (en) | 2017-11-21 | 2017-11-21 | A kind of suspension type monorail Long span track girder system |
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| CN (1) | CN207812257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724225A (en) * | 2017-11-21 | 2018-02-23 | 中铁第四勘察设计院集团有限公司 | A kind of suspension type monorail Long span track girder system |
-
2017
- 2017-11-21 CN CN201721564225.5U patent/CN207812257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724225A (en) * | 2017-11-21 | 2018-02-23 | 中铁第四勘察设计院集团有限公司 | A kind of suspension type monorail Long span track girder system |
| CN107724225B (en) * | 2017-11-21 | 2023-05-16 | 中铁第四勘察设计院集团有限公司 | Suspension type single-rail large-span track beam system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201210 Address after: 650206 Kunming, Guandu, Yunnan province Guandu town Guangfu Road 5349, Yinhai Cherry Blossom happiness square F Patentee after: CHINA RAILWAY SIYUAN GROUP SOUTHWEST SURVEY AND DESIGN Co.,Ltd. Patentee after: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Address before: 430063 Yangyuan peace road, Wuchang, Wuhan, Wuhan, Hubei 745 Patentee before: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |