CN107724225A - 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
- Publication number
- CN107724225A CN107724225A CN201711168498.2A CN201711168498A CN107724225A CN 107724225 A CN107724225 A CN 107724225A CN 201711168498 A CN201711168498 A CN 201711168498A CN 107724225 A CN107724225 A CN 107724225A
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- Prior art keywords
- girder
- tower
- bridge
- track girder
- suspension type
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Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention 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 the girder extends along the longitudinal direction, it includes back timber and two side casees, and two side casees are parallel to each other and are separately positioned on the left and right ends of the back timber bottom；The side case of left and right two is each passed through the bridge tower of respective side and in the bridge tower of respective side, so as 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；The steel case track girder is provided with two, and the longitudinal direction of each steel case track girder extends along the longitudinal direction, and each steel case track girder is suspended on the back timber respectively, and the two described steel case track girders are respectively positioned between two side casees.The characteristics of present invention is simple for structure, and stress is clear and definite, solve the structure safety of suspension type monorail Long span track girder and the requirement using function.
Description
Technical field
The invention belongs to technical field of rail traffic, more particularly, to a kind of suspension type monorail Long span track girder system
System.
Background technology
The new technique of suspension type monorail traffic category track traffic, suspension type rail traffic can not only follow without technical specification,
And can be for reference data it is less, the suspension type rail traffic very long history of developed country abroad, 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 flexing, 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, it is but various due to city or scenic spot across obstacle
Property, can suspension type monorail Long span track girder be key node that is indispensable, implementing as suspension type sometimes, institute
It is extremely urgent task to solve suspension type monorail Long span track girder system.
In summary, though suspension type monorail traffic system has one-hundred-year history abroad, both at home and abroad can be for reference
Research data is considerably less, and current domestic test wire uses the light section steel case track girder of bottom plate opening, domestic not yet to suspension
Formula monorail traffic system carries out systematic research, and also there is some urgent problems to be solved.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of suspension type monorail Long span track
The characteristics of girder system is united, and its is simple for structure, and stress is clear and definite, solve the structure safety of suspension type monorail Long span track girder and use
The requirement of function.
To achieve the above object, it is proposed, according to the invention, provide a kind of suspension type monorail Long span track girder system, its feature
It is, including girder and steel case track girder, wherein,
The longitudinal direction of the girder extends along the longitudinal direction, and it includes back timber and two side casees, and two side casees are mutually flat
OK, and each side case is separately positioned on the left and right ends of the back timber bottom, so that the girder is 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, so as 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；
The steel case track girder is provided with two, and the longitudinal direction of each steel case track girder extends along the longitudinal direction, often
The individual steel case track girder is suspended on the back timber respectively, 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 back timber is upper king-post strut, the affixed horizontal-associate of bridge tower by back timber and
The upper bridge tower of left and right two is 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 back timber is lower king-post strut, and bridge tower sill is by left and right two
The lower bridge tower is fixed together.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
1) " Qiao Xiaqiao " architectural concept that suspension type monorail Long span track girder system of the invention proposes, the i.e. knot of girder
Structure is divided into two layers, and upper strata is that lower floor is suspension type rail beam greatly across structure of main bridge." Qiao Xiaqiao " architectural concept has structure simple
It is clean, the characteristics of stress is clear and definite, solve the structure safety of 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 tower beam of the invention, the multiple spot bullet of cable-stayed bridge
Property support system ensure that the requirement of large-span structure stress, deformation, rigidity, tower beam consolidation ensure that highlight lines area antidetonation,
The requirement of traffic safety and comfortableness.
3) construction of suspension type monorail Long span track girder system of the invention is ripe, convenient and swift：The system can
Cantilever method, swivel, support cast-in-place any one construction method can be used according to field condition, construction can be according to place situation
The method for choosing economic security.
4) suspension type monorail Long span track beam structure combined altitudes of the invention are small, and occupancy volume is also small, save space
And it is easily installed.
5) repair and maintenance of suspension type monorail long span structure of the invention is convenient.
Brief description of the drawings
Fig. 1 is Long span girder cross-sectional configuration figure in the present invention；
Fig. 2 is tower beam consolidation cross-sectional configuration figure in the present invention；
Fig. 3 is tower beam consolidation facade structural map in the present invention；
Fig. 4 is cable-stayed bridge elevational schematic view in the present invention.
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 sills；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.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
1~Fig. 4 of reference picture, a kind of suspension type monorail Long span track girder system, including girder and steel case track girder 1, its
In,
The longitudinal direction of the girder extends along the longitudinal direction, and it includes back timber 2 and two side casees 3, and two side casees 3 are mutual
It is parallel, and each side case 3 is separately positioned on the left and right ends of the bottom of back timber 2, so that the girder is in U
Shape；The side case 3 of left and right two is each passed through and the bridge tower 14 of embedded respective side, so as to form tower beam consolidation structure in intersection
6；In addition, each side case 3 is connected by suspension cable 4 with the bridge tower 14 of respective side respectively；
The steel case track girder 1 is provided with two, 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 the back timber 2 respectively, 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 used to hang monorail train, when two monorail trains are parallel, it should be noted that leaves vehicle limit
Boundary 5.
Further, the part that the bridge tower 14 is located at the top of back timber 2 is upper king-post strut 9, and the affixed horizontal-associate 7 of bridge tower will push up
Two upper bridge towers 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 back timber 2 is lower king-post strut 10, and bridge tower sill 8 is by a left side
Right two lower bridge towers are fixed together.
Bridge span structure form for the existing suspension type rail beam built up using the steel box of bottom plate opening, propose a kind of
The feasible scheme of suspension type monorail Long span track girder system, specific technical measures are as follows：
1. the present invention uses inverted U-shaped section, inverted U-shaped section is formed using two casings being oppositely arranged and top plate, in two casees
The boatswain chair of pre-buried suspended rail beam, suspension type rail beam can be suspended under the top plate between two tanks below top plate between body.
2. suspension cable 4 is anchored in the body beam of structure section both sides, multiple spot resilient support architecture is formed.
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 set on tower wide scope inner beam, and below the driving gauge of suspension train
One of horizontal-associate is set, forms bridge tower transverse frame system.
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, which are respectively provided with longitudinal prestressing steel beam, meets that the stress of operation and construction will
Ask, the top plate of inverted U-shaped section is also provided with lateral prestressing tendon.
Solve the technical problem of suspension type monorail Long span by 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, large-span structure also apply
Work is convenient.
The suspension type monorail Long span track girder system invented of the present invention can use cantilever method, swivel, support cast-in-place
Construction method.Above construction method completes pile foundation construction after-pouring cushion cap first first, then using creeping formwork cast-in-place construction bridge
Tower and reserved tower beam consolidation part girder longitudinal prestressing pipeline and reinforcing bar etc..Swivel and support cast-in-place, which are taken girder, to build
The inverted U-shaped beam of frame construction, and tensioning girder prestressing force, complete main girder construction and be followed by tensioning suspension cable 4, striking mounting bridge lower rail
Road beam, finally it is adjusted to bridge Suo Li and completes other attached installations.The construction method that cantilever method pours is taken, completes bridge tower construction
Pier-side bracket and template are set at king-tower afterwards, assembling reinforcement, pours into a mould Cast-in-Situ Segment under tower, after concrete strength meets to require, removes end
Mould, side form and internal model, tensioning vertically and horizontally prestressing tendon, then the symmetrical assembled dragging suspension basket on girder, is existed using dragging suspension basket
The symmetrically piecewise cantilever of tower both sides, and the suspension cable 4 and prestressing force of the corresponding section of tensioning, reasonable arrangement time set up end bay falsework and pour
Build lateral opening Cast-in-Situ Segment, after completing main beam structure construction, mounting bridge lower railway beam, be finally adjusted to bridge Suo Li and to complete other attached
Installation.Overall 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, while makes again
Its construction is simple is obtained, structure is attractive in appearance.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (4)
- A kind of 1. suspension type monorail Long span track girder system, it is characterised in that including girder and steel case track girder, wherein,The longitudinal direction of the girder extends along the longitudinal direction, and it includes back timber and two side casees, and two side casees are parallel to each other, and And each side case is separately positioned on the left and right ends of the back timber bottom, so that the girder is 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, so as 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；The steel case track girder is provided with two, 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 back timber, and the two described steel case track girders be respectively positioned on two side casees it Between.
- A kind of 2. suspension type monorail Long span track girder system according to claim 1, it is characterised in that the bridge bridge The part that tower is located at the top of back timber is upper king-post strut, and two upper bridge towers of back timber and left and right are fixedly connected by the affixed horizontal-associate of bridge tower Together.
- A kind of 3. suspension type monorail Long span track girder system according to claim 1, it is characterised in that the side case and bag 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.
- A kind of 4. suspension type monorail Long span track girder system according to claim 1, it is characterised in that the bridge bridge The part that tower is located at the lower section of back timber is lower king-post strut, and the lower bridge tower of left and right two is fixed together by bridge tower sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711168498.2A CN107724225B (en) | 2017-11-21 | 2017-11-21 | Suspension type single-rail large-span track beam system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711168498.2A CN107724225B (en) | 2017-11-21 | 2017-11-21 | Suspension type single-rail large-span track beam system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107724225A true CN107724225A (en) | 2018-02-23 |
| CN107724225B CN107724225B (en) | 2023-05-16 |
Family
ID=61216599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711168498.2A Active CN107724225B (en) | 2017-11-21 | 2017-11-21 | Suspension type single-rail large-span track beam system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107724225B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505427A (en) * | 2018-04-03 | 2018-09-07 | 中铁第四勘察设计院集团有限公司 | A kind of anchor and the oblique pull suspension type monorail using the anchor |
| WO2020048460A1 (en) * | 2018-09-03 | 2020-03-12 | 北京交通大学 | Logistic monorail transportation system |
| CN113605211A (en) * | 2021-07-05 | 2021-11-05 | 中铁第四勘察设计院集团有限公司 | Suspension type monorail continuous rigid frame arch bridge |
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| CN203603023U (en) * | 2013-11-19 | 2014-05-21 | 中铁第四勘察设计院集团有限公司 | Cable-stayed bridge tower beam pier consolidation structure |
| CN105714625A (en) * | 2015-11-10 | 2016-06-29 | 北京交通大学 | Suspension type monorail transportation concrete structure suspension system |
| CN205387644U (en) * | 2016-03-15 | 2016-07-20 | 四川中德空铁科技有限公司 | Improvement structure of monorail train large -span foundation pile |
| WO2017052352A1 (en) * | 2015-09-21 | 2017-03-30 | Mercado Mendoza Luis Ricardo | Structure of interconnected suspension cables for elevated monorail |
| CN207812257U (en) * | 2017-11-21 | 2018-09-04 | 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 |
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2017
- 2017-11-21 CN CN201711168498.2A patent/CN107724225B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203603023U (en) * | 2013-11-19 | 2014-05-21 | 中铁第四勘察设计院集团有限公司 | Cable-stayed bridge tower beam pier consolidation structure |
| WO2017052352A1 (en) * | 2015-09-21 | 2017-03-30 | Mercado Mendoza Luis Ricardo | Structure of interconnected suspension cables for elevated monorail |
| CN105714625A (en) * | 2015-11-10 | 2016-06-29 | 北京交通大学 | Suspension type monorail transportation concrete structure suspension system |
| CN205387644U (en) * | 2016-03-15 | 2016-07-20 | 四川中德空铁科技有限公司 | Improvement structure of monorail train large -span foundation pile |
| CN207812257U (en) * | 2017-11-21 | 2018-09-04 | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505427A (en) * | 2018-04-03 | 2018-09-07 | 中铁第四勘察设计院集团有限公司 | A kind of anchor and the oblique pull suspension type monorail using the anchor |
| WO2020048460A1 (en) * | 2018-09-03 | 2020-03-12 | 北京交通大学 | Logistic monorail transportation system |
| CN113605211A (en) * | 2021-07-05 | 2021-11-05 | 中铁第四勘察设计院集团有限公司 | Suspension type monorail continuous rigid frame arch bridge |
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| Publication number | Publication date |
|---|---|
| CN107724225B (en) | 2023-05-16 |
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