CN205775784U - A kind of Railway Cable-stayed Bridge box-shaped combines main beam structure - Google Patents
A kind of Railway Cable-stayed Bridge box-shaped combines main beam structure Download PDFInfo
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- CN205775784U CN205775784U CN201620639272.0U CN201620639272U CN205775784U CN 205775784 U CN205775784 U CN 205775784U CN 201620639272 U CN201620639272 U CN 201620639272U CN 205775784 U CN205775784 U CN 205775784U
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- median ventral
- bridge
- limit web
- main beam
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Abstract
The utility model discloses a kind of Railway Cable-stayed Bridge box-shaped and combine main beam structure.It includes grooved girder steel and concrete slab, described grooved girder steel includes along indulging the bridge limit web to layout and median ventral plate and multiple diaphragm plate arranged along direction across bridge, described diaphragm plate extends respectively to be connected fixing with limit web through its both sides of described median ventral plate, the plurality of diaphragm plate is arranged along vertical bridge to uniform intervals, connected by base plate bottom described limit web and median ventral plate, described limit web, median ventral plate and diaphragm plate top are respectively provided with top board, and described concrete slab is arranged at top board top.This utility model uses the main beam structure form that grooved girder steel is combined with concrete slab, and U-steel girder construction steel using amount reduces, and engineering is more economical；Girder dead load weight increases, and increases gravity stiffness, and the rigidity of structure is improved, good integrity, and bending resistance, torsional rigidity are big.
Description
Technical field
This utility model belongs to technical field of bridge engineering, is specifically related to a kind of Railway Cable-stayed Bridge box-shaped and combines girder knot
Structure.
Background technology
For big cable-stayed bridge over railway, the girder steel used at present mainly has steel truss girder and two kinds of main beam structures of steel box-girder
Form, steel truss girder and steel box-girder are used for large span non-fragment orbit cable-stayed bridge, there are rigidity need on the low side and are aided with other measure and can expire
Foot high speed non-fragment orbit driving requirement, and the fatigue problem of orthotropic plate is prominent, orthotropic plate is connected with fragment-free track slab
There is also fatigue problem, therefore to ballastless track of high-speed railway driving, these two kinds of girder forms require that adaptability is poor.
Summary of the invention
The purpose of this utility model is contemplated to solve the deficiency that above-mentioned background technology exists, it is provided that a kind of rigidity of structure
The cable-stayed bridge box-shaped high, cost is lower combines main beam structure.
The technical solution adopted in the utility model is: a kind of Railway Cable-stayed Bridge box-shaped combines main beam structure, opens including top
The grooved girder steel of mouth and the concrete slab by U-steel back portion closure of openings being positioned at U-steel back portion, described grooved
Girder steel includes that described diaphragm plate is worn along indulging the bridge limit web to layout and median ventral plate and multiple diaphragm plate arranged along direction across bridge
Crossing its both sides of described median ventral plate and extend respectively to be connected fixing with limit web, the plurality of diaphragm plate is along indulging bridge to uniform intervals cloth
Put, connected by the base plate of grooved girder steel bottom described limit web and median ventral plate, described limit web, median ventral plate and diaphragm plate top
Being respectively provided with top board, described concrete slab is arranged at top board top.
Further, on described diaphragm plate, part between limit web and median ventral plate, between adjacent median ventral plate is all provided with
There is the first ribbed stiffener and had manhole.
Further, in the middle part of the plurality of diaphragm plate, between split-phase neighbour diaphragm plate, it is provided with the tabula rib arranged along direction across bridge,
The platy structure that part is concave shape between limit web and median ventral plate, between adjacent median ventral plate on described tabula rib, institute
State that the left and right sides of concave shape platy structure fixing with limit web or median ventral plate is connected, bottom is fixed with base plate and is connected, concave shape
The inside edge of platy structure is provided with the second ribbed stiffener.
Further, the both sides of described limit web and median ventral plate are equipped with vertical ribbed stiffener, vertical ribbed stiffener top and top
Plate is fixing to be connected, and described vertical ribbed stiffener is arranged between tabula rib and diaphragm plate and parallel with diaphragm plate.
Further, on the side of median ventral plate, the median ventral plate relative with adjacent median ventral plate one on the web of described limit
Side is equipped with multiple board-like ribbed stiffener, and multiple board-like ribbed stiffener vertically laminations interval is arranged, board-like ribbed stiffener is perpendicular to
The vertical bridge of described limit web and edge is to layout.
Further, described base plate include flat underside between being arranged at bottom adjacent median ventral plate and be arranged at median ventral plate with
Inclined bottom plate between bottom the web of limit, described flat underside is integrated with inclined bottom plate to be connected.
Further, described flat underside and inclined bottom plate top are provided with multiple edge and indulge the bridge inverted U ribbed stiffener to layout, multiple
Inverted U ribbed stiffener is arranged along direction across bridge uniform intervals；Described inclined bottom plate top is vertical near edge, the both sides of limit web and median ventral plate
Bridge is to being respectively equipped with rib of slab.
Further, the top board at described diaphragm plate top top board with limit web and median ventral plate top respectively intersects and joins
Close the opening forming described U-steel back portion.
Further, described limit web is positioned at side outside U-steel beam along vertical bridge to being provided with the tuyere of arc, institute
In stating tuyere, the vertical bridge in edge is to being provided with multiple longitudinal stiffener being perpendicular to tuyere medial wall, and described diaphragm plate both sides extend to and wind
Mouth medial wall is fixing to be connected.
Further, described concrete slab includes precoated plate, longitudinal wet joint and horizontal wet seam, described longitudinal direction
Wet seam is arranged on the top board at limit web and median ventral plate top, and described horizontal wet seam is arranged at non-conterminous diaphragm plate top
Top board on, described longitudinal wet joint is mutually perpendicular to arranged in a crossed manner with horizontal wet seam, and described precoated plate is arranged at longitudinal wet and connects
Seam is secured to be connected between horizontal wet seam.
This utility model uses the grooved girder steel being made up of top board, base plate, web and diaphragm plate to harden with concrete bridge deck
The main beam structure form closed, U-steel girder construction steel using amount reduces, and engineering is more economical；Girder dead load weight increases, and increases weight
Power rigidity, the rigidity of structure is improved, good integrity, and bending resistance, torsional rigidity are big；And use concrete bridge deck panel stiffness big, office
Portion's deformation is little, beneficially high speed traveling.This utility model uses concrete slab can preferably bear the axial pressure of cable-stayed bridge
Stress, plays material advantage, there is not lateral deflection problem；Concrete slab, by piecemeal, the most prefabricated, is greatly reduced concrete
Contraction, the deformation and stress redistribution caused of creeping.
Accompanying drawing explanation
Fig. 1 is schematic cross-sectional view of the present utility model.
Fig. 2 is I-I profile in Fig. 1.
Fig. 3 is II-II profile in Fig. 1.
Fig. 4 is A-A profile in Fig. 2 (figure is bilateral symmetry, therefore only shows half).
Fig. 5 is B-B profile in Fig. 2 (figure is bilateral symmetry, therefore only shows half).
Fig. 6 is C-C profile in Fig. 2 (figure is bilateral symmetry, therefore only shows half).
In figure: 1-grooved girder steel；2-concrete slab；3-limit web；4-median ventral plate；5-diaphragm plate；6-top board；At the bottom of 7-
Plate；8-the first ribbed stiffener；9-crosses manhole；10-tabula rib；11-the second ribbed stiffener；The vertical ribbed stiffener of 12-；The board-like ribbed stiffener of 13-；
14-flat underside；15-inclined bottom plate；16-inverted U ribbed stiffener；17-rib of slab；18-tuyere；19-longitudinal stiffener；20-precoated plate；
21-longitudinal wet joint；The horizontal wet seam of 22-；23-WELDING STUDS.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is simple to is well understood to
This utility model, but they do not constitute restriction to this utility model.
As shown in figures 1 to 6, this utility model include open-topped grooved girder steel 1 and be positioned at grooved girder steel 1 top general
The concrete slab 2 of U-steel back portion closure of openings, described grooved girder steel 1 includes along vertical bridge to spaced apart limit web
3 and median ventral plate 4 and multiple diaphragm plate 5 arranged along direction across bridge, described diaphragm plate 5 is through described median ventral plate 4, diaphragm plate 5 liang
Side extends respectively to be connected fixing with limit web 3, i.e. diaphragm plate is cut off by median ventral plate, the plurality of diaphragm plate 5 along vertical bridge to all
Even interval is arranged, described limit web 3 with bottom median ventral plate 4 between, connected by base plate 7 between adjacent median ventral plate, described limit abdomen
Plate 3, median ventral plate 4 and diaphragm plate 5 top are respectively provided with top board 6, and top board width only covers the limit web bottom correspondence or median ventral plate, horizontal stroke
The top board parallel interval at dividing plate, i.e. limit web 3 and median ventral plate 4 top is arranged, the top board parallel interval cloth at multiple diaphragm plate tops
Put.The top board at diaphragm plate 5 top top board with limit web 3 and median ventral plate 4 top respectively is mutually perpendicular to intersect the formation that is connected
The opening at described grooved girder steel 1 top, the i.e. opening at grooved girder steel 1 top are latticed opening, and the intersection of top board uses
Arc transition, described concrete slab 2 is arranged at top board 6 top.
In such scheme, on diaphragm plate 5, the part between limit web 3 with median ventral plate 4, between adjacent median ventral plate 4 is equal
For platy structure, platy structure is provided with the first ribbed stiffener 8 and had manhole 9.In the middle part of plurality of diaphragm plate 5, split-phase neighbour is horizontal
The tabula rib 10 arranged along direction across bridge it is provided with, on described tabula rib 10 between limit web 3 with median ventral plate 4, phase between dividing plate 5
The platy structure that part is concave shape between adjacent median ventral plate 4, the left and right sides of described concave shape platy structure and corresponding limit
Web 3 or the fixing connection of median ventral plate 4, bottom are fixed with base plate 7 and are connected, and the inside edge of concave shape platy structure is provided with second and adds
Strength rib 11.Diaphragm plate 5 and tabula rib 10 normal pitch 6.0m, it is ensured that girder has enough lateral stiffness, torsional rigidity,
Ensure construction period erection crane and the local deformation of operation load generation and stress requirement.
In such scheme, the both sides of limit web 3 and median ventral plate 4 are equipped with the vertical ribbed stiffener 12 of tabular, both sides vertical
In ribbed stiffener 12 is generally aligned in the same plane, vertical ribbed stiffener 12 top is fixing with top board 6 to be connected, and described vertical ribbed stiffener 12 is arranged at
Between tabula rib 10 with diaphragm plate 5 and parallel with diaphragm plate 5.Near the side of median ventral plate 4 and median ventral plate 4 on limit web 3
The upper side relative with adjacent median ventral plate is equipped with multiple board-like ribbed stiffener 13, multiple board-like ribbed stiffener 13 vertically laminations
Interval is arranged, board-like ribbed stiffener 13 is perpendicular to described limit web and along vertical bridge to layout, and 13 quantity of board-like ribbed stiffener are according to reality
Border needs to arrange.Vertical ribbed stiffener 12 is set and board-like ribbed stiffener energy 13 improves the rigidity of structure further so that it is meet structure whole
Body and local pressure need.
In such scheme, base plate 7 includes the flat underside 14 between being arranged at bottom adjacent median ventral plate 4 and is arranged at median ventral plate
4 and limit web 3 bottom between inclined bottom plate 15, described flat underside 14 integrated with inclined bottom plate 15 connect, i.e. flat underside and wedged bottom
Plate is that one piece of imposite uses hot bending technique to make, and needs to use different thickness of slab at vertical bridge to different sections according to stress.Flat
Base plate 14 and inclined bottom plate 15 top are provided with multiple edge and indulge bridge to the inverted U ribbed stiffener 16 arranged, multiple inverted U ribbed stiffener 16 is along horizontal stroke
Bridge is arranged to uniform intervals.Bridge is being indulged to being respectively equipped with rib of slab near edge, the both sides of limit web 3 and median ventral plate 4 in inclined bottom plate 15 top
17, U-shaped ribbed stiffener 16 and rib of slab 17 all can strengthen base arrangement rigidity.
In such scheme, shake damping characteristic for increasing wind, improve the wind resistance of structure, limit web 3 is positioned at U-steel
Side (i.e. the side of limit web median ventral plate dorsad) outside beam along vertical bridge to being provided with the tuyere 18 of arc, tuyere 28 and limit web
3 use welding manner to connect.Along vertical bridge to being provided with multiple longitudinal stiffener 19 being perpendicular to tuyere medial wall in described tuyere 28,
Described diaphragm plate 5 both sides extend to be connected fixing with tuyere 18 medial wall.
In such scheme, concrete slab 2 includes precoated plate 20, longitudinal wet joint 21 and horizontal wet seam 22, described
Longitudinal wet joint 21 is arranged on the top board at limit web 3 and median ventral plate 4 top, and described horizontal wet seam 22 is arranged at non-conterminous
On the top board at diaphragm plate 5 top, described longitudinal wet joint 21 is mutually perpendicular to arranged in a crossed manner with horizontal wet seam 22, described precoated plate
20 are arranged between longitudinal wet joint with horizontal wet seam and are secured to be connected.In order to reduce concrete shrinkage, creep to structure
Impact, before assembled every piece of precoated plate, it is desirable to ensure the resting period of more than six months, longitudinal wet joint and the wettest simultaneously
Seam all uses expansive concrete.It is respectively provided with WELDING STUDS 23, WELDING STUDS 23 in longitudinal wet joint 21 and horizontal wet seam 22
Fix with top board 6 and be connected.
The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a Railway Cable-stayed Bridge box-shaped combines main beam structure, it is characterised in that: include open-topped grooved girder steel (1) and position
In the concrete slab (2) by U-steel back portion closure of openings in U-steel back portion, described grooved girder steel (1) includes edge
Indulge the bridge limit web (3) to layout and median ventral plate (4) and multiple diaphragm plate (5) arranged along direction across bridge, described diaphragm plate (5)
Extend respectively to be connected fixing with limit web (3) through its both sides of described median ventral plate, the plurality of diaphragm plate (5) is along indulging bridge to all
Even interval is arranged, described limit web (3) and median ventral plate (4) bottom are connected by the base plate (7) of grooved girder steel (1), described limit abdomen
Plate (3), median ventral plate (4) and diaphragm plate (5) top are respectively provided with top board (6), and described concrete slab (2) is arranged at top board (6)
Top.
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: described diaphragm plate
(5) on, the part between limit web and median ventral plate, between adjacent median ventral plate is equipped with the first ribbed stiffener (8) and has remarkable
Hole (9).
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: the plurality of horizontal stroke
It is provided with, between the split-phase neighbour's diaphragm plate of dividing plate (5) middle part, the tabula rib (10) arranged along direction across bridge, described tabula rib (10) is positioned at
Part between limit web and median ventral plate, between adjacent median ventral plate is the platy structure of concave shape, described concave shape platy structure
The left and right sides and limit web or median ventral plate fixing is connected, bottom is fixed with base plate and is connected, the inner side edge of concave shape platy structure
Edge is provided with the second ribbed stiffener (11).
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 3 combines main beam structure, it is characterised in that: described limit web
And the both sides of median ventral plate (4) are equipped with vertical ribbed stiffener (12) (3), vertical ribbed stiffener (12) top is fixing with top board (6) to be connected,
Described vertical ribbed stiffener (12) is arranged between tabula rib (10) with diaphragm plate (5) and parallel with diaphragm plate (5).
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: described limit web
(3) it is equipped with multiple board-like ribbed stiffener in side the most relative with adjacent median ventral plate on the side of median ventral plate, median ventral plate (4) on
(13), multiple board-like ribbed stiffener (13) vertically laminations interval is arranged, board-like ribbed stiffener (13) is perpendicular to described limit web
And along vertical bridge to layout.
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: described base plate
(7) oblique between including the flat underside between being arranged at bottom adjacent median ventral plate (14) and being arranged at bottom median ventral plate and limit web
Base plate (15), described flat underside (14) is integrated with inclined bottom plate (15) to be connected.
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 6 combines main beam structure, it is characterised in that: described flat underside
(14) it is provided with multiple edge indulges bridge to the inverted U ribbed stiffener (16) arranged, multiple inverted U ribbed stiffeners (16) with inclined bottom plate (15) top
Arrange along direction across bridge uniform intervals；Bridge is being indulged to respectively near edge, the both sides of limit web and median ventral plate in described inclined bottom plate (15) top
It is provided with rib of slab (17).
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: described diaphragm plate
(5) top board at top intersects with the top board of limit web (3) and median ventral plate (4) top respectively and cooperatively forms described grooved girder steel
(1) opening at top.
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: described limit web
(3) be positioned at side outside U-steel beam on along vertical bridge to being provided with the tuyere (18) of arc, in described tuyere (18) along vertical bridge to
Being provided with multiple longitudinal stiffener (19) being perpendicular to tuyere medial wall, described diaphragm plate (5) both sides extend to interior with tuyere (18)
Sidewall is fixing to be connected.
A kind of Railway Cable-stayed Bridge box-shaped the most according to claim 1 combines main beam structure, it is characterised in that: described coagulation
Soil floorings (2) includes precoated plate (20), longitudinal wet joint (21) and horizontal wet seam (22), and described longitudinal wet joint (21) sets
Being placed on the top board at limit web (3) and median ventral plate (4) top, described horizontal wet seam (22) is arranged at non-conterminous diaphragm plate
(5), on the top board at top, described longitudinal wet joint (21) is mutually perpendicular to arranged in a crossed manner with horizontal wet seam (22), described precoated plate
(20) it is arranged between longitudinal wet joint (21) with horizontal wet seam (22) and is secured to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639272.0U CN205775784U (en) | 2016-06-23 | 2016-06-23 | A kind of Railway Cable-stayed Bridge box-shaped combines main beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639272.0U CN205775784U (en) | 2016-06-23 | 2016-06-23 | A kind of Railway Cable-stayed Bridge box-shaped combines main beam structure |
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| CN205775784U true CN205775784U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620639272.0U Active CN205775784U (en) | 2016-06-23 | 2016-06-23 | A kind of Railway Cable-stayed Bridge box-shaped combines main beam structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012792A (en) * | 2016-06-23 | 2016-10-12 | 中铁第四勘察设计院集团有限公司 | Combined box girder structure of cable-stayed bridge of railway |
| CN109487674A (en) * | 2018-12-04 | 2019-03-19 | 中交公路规划设计院有限公司 | Assembling tank-shaped composite beam bridge |
| CN112359701A (en) * | 2020-11-02 | 2021-02-12 | 中铁五局集团第一工程有限责任公司 | Steel box girder |
-
2016
- 2016-06-23 CN CN201620639272.0U patent/CN205775784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012792A (en) * | 2016-06-23 | 2016-10-12 | 中铁第四勘察设计院集团有限公司 | Combined box girder structure of cable-stayed bridge of railway |
| CN109487674A (en) * | 2018-12-04 | 2019-03-19 | 中交公路规划设计院有限公司 | Assembling tank-shaped composite beam bridge |
| CN112359701A (en) * | 2020-11-02 | 2021-02-12 | 中铁五局集团第一工程有限责任公司 | Steel box girder |
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