CN209456892U - Cable-stayed bridge steel overhangs structure of sidewalk - Google Patents
Cable-stayed bridge steel overhangs structure of sidewalk Download PDFInfo
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- CN209456892U CN209456892U CN201920033715.5U CN201920033715U CN209456892U CN 209456892 U CN209456892 U CN 209456892U CN 201920033715 U CN201920033715 U CN 201920033715U CN 209456892 U CN209456892 U CN 209456892U
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Abstract
The utility model discloses a kind of cable-stayed bridge steel to overhang structure of sidewalk, including girder, bottom plate, bracket institution, supporting mechanism, pavement, the bottom plate is fixedly connected on the end face outside of the girder by anchor bar along the length direction of girder at certain intervals, the bracket institution is fixedly connected with the bottom plate, dress, which is equipped with, in the bracket institution secretly buries feed pipe and dark buried power pipe, the supporting mechanism is provided with above the bracket institution, and the medial support of the supporting mechanism is fixed on the girder, it is fixedly connected on the outside of the outside of the supporting mechanism and the bracket institution, the pavement is provided with above the supporting mechanism, and the pavement is located at the outside of cable-stayed bridge anchor rope component.Its remarkable result is: the width and end thickness of girder beam body reduced, girder beam body overall weight is reduced, the difficulty for reducing construction site lifting and pouring；Reduce the installation complexity and maintenance difficulty of feed pipe and power pipe.
Description
Technical field
The utility model relates to arrive bridge structure field of engineering technology, and in particular to a kind of cable-stayed bridge steel overhanging pavement knot
Structure.
Background technique
Cable-stayed bridge is a kind of bridge being directly pulled in girder with many drag-lines on bridge tower, is tower by pressure-bearing, tension
Rope and hold a kind of structural system that curved beam body combines.It is continuous instead of the multispan elastic bearing of buttress that it is considered as drag-line
Beam.It can be such that moment of flexure in beam body reduces, and reduce building height, alleviate construction weight, save material.Cable-stayed bridge is mainly by rope
Tower, girder, suspension cable composition.Cable-stayed bridge need to be arranged driveway and and pavement, and anchor rope component is set on bridge floor.
However, finding in practical applications, when beam body is all made of armored concrete, bridge floor overall width is big, beam
Body edge is thick big, and material consumption is more, and construction period pours and hoisting difficulty height.In addition, feed pipe and power pipe are needed with outer
Portion's prop is arranged in the beam bottom of girder, asks in the presence of checking that difficulty is big and maintenance personal's risk is high when current check and maintenance
Topic.
Summary of the invention
In view of the deficiencies of the prior art, a kind of the purpose of the utility model is to provide structures simple, easy for construction, You Gangjie
Structure composition cable-stayed bridge steel overhang structure of sidewalk, by by pavement be arranged on the outside of anchor cable, facilitate reduce difficulty of construction,
Material consumption is reduced, setting and maintenance feed pipe and power pipe can be facilitated.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of cable-stayed bridge steel overhanging structure of sidewalk, key are: including girder, bottom plate, bracket institution, support machine
Structure, pavement, the bottom plate are fixedly connected on the girder along the length direction of girder at certain intervals by anchor bar
End face outside, the bracket institution are fixedly connected with the bottom plate, and dress is equipped with and secretly buries feed pipe and dark in the bracket institution
Buried power pipe is provided with the supporting mechanism above the bracket institution, and the medial support of the supporting mechanism is fixed on
On the girder, it is fixedly connected on the outside of the outside of the supporting mechanism and the bracket institution, in the upper of the supporting mechanism
Side is provided with the pavement, and the pavement is located at the outside of cable-stayed bridge anchor rope component.
Further, the bracket institution includes lower edge girder steel, oblique girder steel and sunpender steel column, and the one of the lower edge girder steel
End is fixedly connected with the bottom plate with one end of oblique girder steel, under the other end of the lower edge girder steel and the sunpender steel column
End is connected, and the other end of the upper end of the sunpender steel column and the oblique girder steel is connected to the bottom of the supporting mechanism outer end,
The feed pipe that secretly buries is set between the lower edge girder steel and oblique girder steel, and the dark buried power pipe is set to the oblique steel
Between beam and the bottom plate.
Further, it is also connected between the bottom plate and the middle part of oblique girder steel and is fixed with bracket, it is described secretly to bury electricity
Solenoid is supported on the bracket.
Further, between the bottom plate and the lower edge girder steel or oblique girder steel, the oblique girder steel and sunpender steel
Between column, the supporting mechanism is connected by gusset plate between oblique girder steel or sunpender steel column.
Further, the supporting mechanism include the first stringer set gradually from outside to inside, it is first crossbeam, second vertical
Beam, second cross beam, third stringer, first stringer, the second stringer, third stringer are parallel along the length direction of the girder
Setting is arranged described the at certain intervals between first stringer and the second stringer, between the second stringer and third stringer
One crossbeam, second cross beam.
Further, the supporting mechanism further includes third crossbeam, one end of the third crossbeam and second stringer
Inside be fixedly connected, the other end of the third crossbeam protrudes into and is connected and fixed on the bottom of cable-stayed bridge Anti-collision railing.
Further, the pavement includes outer pier stud, middle pier stud, interior pier stud, cover board, outer guardrail and interior guardrail, described
Outer pier stud, middle pier stud, interior pier stud are in turn secured to from outside to inside on the supporting mechanism, the outer pier stud and interior pier stud it
Span sets the cover board, and the midfoot support of the cover board is connected in the top of the middle pier stud at the top of the outer pier stud
It is fixed with the outer guardrail, the interior guardrail is fixedly connected at the top of the interior pier stud.
Further, support level, and the setting of the support level are provided on the outer pier stud and interior pier stud
Height is consistent with the middle pier stud, on the support level of the supported on both sides and two sides of the cover board.
Further, air nozzle structure, the lower end of the air nozzle structure and the bracket are set in the outside of the bracket institution
The outer end face of mechanism is connected, and the upper end of the air nozzle structure is fixedly connected with the outer end face of the supporting mechanism.
Further, the air nozzle structure includes the support arranged at regular intervals along the girder length direction
Beam, the lower end of the supporting beam are connected with the outer end face of the bracket institution, and the outer end face of the upper end and the supporting mechanism is solid
Fixed connection, is laid with purlin in the supporting beam, is laid with decoration panel on the purlin.
The remarkable result of the utility model is: structure is simple, easy for construction, and pavement is arranged by overhanging steel structure
On the outside of anchor rope component, the width and end thickness of girder beam body are reduced, girder beam body overall weight is reduced, reduces construction
On-site hoisting and the difficulty poured；By the way that feed pipe and power pipe to be placed on inside frame-type steel construction, saves outside and hold
Bracket is held in the palm, the installation complexity and maintenance difficulty of feed pipe and power pipe are reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the B-B sectional view of Fig. 1；
Fig. 4 is the C-C sectional view of Fig. 1.
Specific embodiment
Specific embodiment of the present utility model and working principle are described in further detail with reference to the accompanying drawing.
As shown in Figure 1 to 4, a kind of cable-stayed bridge steel overhangs structure of sidewalk, including girder 1, bottom plate 5, bracket institution, branch
Support mechanism, pavement, the bottom plate 5 are fixedly connected on along the length direction of girder 1 described at certain intervals by anchor bar 4
The end face outside of girder 1, the bracket institution are fixedly connected with the bottom plate 5, in the bracket institution dress be equipped with secretly bury to
Water pipe 10 and dark buried power pipe 12, are provided with the supporting mechanism, and the supporting mechanism is interior above the bracket institution
Collateral support is fixed on the girder 1, is fixedly connected on the outside of the outside of the supporting mechanism and the bracket institution, described
The pavement is provided with above supporting mechanism, and the pavement is located at the outside of cable-stayed bridge anchor rope component 3.Above-mentioned bracket
Mechanism and supporting mechanism constitute cantilevered structure, instead of the overhanging end of cable-stayed bridge beam body, set pavement to realize
It sets in 3 outside of anchor rope component, reduces the overall weight of beam body, the difficulty for reducing construction site lifting and pouring.
The bracket institution includes lower edge girder steel 13, oblique girder steel 9 and sunpender steel column 8, and the lower edge girder steel 13 is along institute
The length direction for stating girder 1 is arranged at certain intervals, one end of one end of the lower edge girder steel 13 and oblique girder steel 9 with the bottom
Plate 5 is fixedly connected, and the other end of the lower edge girder steel 13 is connected with the lower end of the sunpender steel column 8, the sunpender steel column 8 it is upper
The other end of end and the oblique girder steel 9 is connected to the bottom of the supporting mechanism outer end, and the feed pipe 10 that secretly buries is set to
Between the lower edge girder steel 13 and oblique girder steel 9, the dark buried power pipe 12 is set to the oblique girder steel 9 and the bottom plate 5
Between, save external prop.In addition, in order to preferably be distinguished to the feed pipe and power pipe that secretly bury, in order to
Maintenance, is also connected between the bottom plate 5 and the middle part of oblique girder steel 9 and is fixed with bracket 11, and the dark buried power pipe 12 supports
In on the bracket 11.
It is certain due to existing between lower edge girder steel 13, oblique girder steel 9, sunpender steel column 8 and bottom plate 5 in the present embodiment
Angle, and since the limitation of material specification cannot use enough bolts to guarantee bonding strength, thus the bottom plate 5 with it is described
Between lower edge girder steel 13 or oblique girder steel 9, between the oblique girder steel 9 and sunpender steel column 8, the supporting mechanism and oblique girder steel
It is connected by gusset plate 14 between 9 or sunpender steel column 8.
In this example, the lower edge girder steel 13, oblique girder steel 9, sunpender steel column 8 select equal leg angle to be made, and are applied with reducing
Work difficulty assembles convenient for construction site.
Referring to 1~attached drawing of attached drawing 4, the supporting mechanism includes first the 15, first cross of stringer set gradually from outside to inside
Beam 16, the second stringer 17, second cross beam 18, third stringer 19, first stringer 15, the second stringer 17,19 edge of third stringer
The length direction of the girder 1 be arranged in parallel, between first stringer 15 and the second stringer 17, the second stringer 17 and
The first crossbeam 16, second cross beam 18 are set at certain intervals between three stringers 19.Pass through the support of said frame formula structure
Mechanism is not only convenient for construction site assembling, and reduces the overall weight of beam body, more can easily pass through the supporting mechanism pair
Feed pipe 10 is secretly buried to be overhauled with dark buried power pipe 12.
In this example, the supporting mechanism further includes third crossbeam 20, one end of the third crossbeam 20 and second stringer
17 inside is fixedly connected, and the other end of the third crossbeam 20 protrudes into and is connected and fixed on the bottom of cable-stayed bridge Anti-collision railing 2.
By the third crossbeam 20 of above-mentioned setting, not only play the role of Auxiliary support to pavement, but also can be to supporting mechanism
Middle remaining part plays the role of equalising torque, improves the structural stability of this programme.
In the specific implementation process, first stringer 15, first crossbeam 16, the second stringer 17, second cross beam 18, third
Stringer 19, first stringer 15, the second stringer 17, third stringer 19 and third crossbeam 20 are all made of I-steel, thus side
Just construction site assembles.
Further, the pavement include outer pier stud 21, middle pier stud 22, interior pier stud 23, cover board 24, outer guardrail 25 with it is interior
Guardrail 26, the outer pier stud 21, middle pier stud 22, interior pier stud 23 are in turn secured to from outside to inside on the supporting mechanism, in institute
The span for stating outer pier stud 21 and interior pier stud 23 sets the cover board 24, and the midfoot support of the cover board 24 is in the middle pier stud 22
Top is fixedly connected with the outer guardrail 25 at the top of the outer pier stud 21, is connected and fixed at the top of the interior pier stud 23
There is the interior guardrail 26, to facilitate prefabrication and installation.In this example, the specific set-up mode of the cover board 24 are as follows: described
Support level, and the setting height of the support level and middle 22 phase one of pier stud are provided on outer pier stud 21 and interior pier stud 23
It causes, on the support level of the supported on both sides and two sides of the cover board 24, is not only convenient for pavement cover board 24 using the above structure
Installation, in order to lifting construction efficiency, and can after opening cover board 24 worker easily to being set to secretly burying in steel construction
Feed pipe 10 is overhauled with dark buried power pipe 12, and does not have to need to hang personnel outward using special equipment as traditional technology
It goes out, substantially increases the safety of service work.
Air nozzle structure is set in the outside of the bracket institution, the air nozzle structure specific structure is as shown in Figure 1, include edge
The supporting beam arranged at regular intervals of 1 length direction of girder, the supporting beam is by angle steel 6 on angle steel 7 under tuyere and tuyere
It constitutes, the lower end of the supporting beam is connected with the outer end face of the bracket institution, the outer end face of the upper end and the supporting mechanism
It is fixedly connected, purlin 27 is laid in the supporting beam, be laid with decoration panel 28 on the purlin 27.
The utilization of cable-stayed bridge structure of sidewalk described in this programme reduces the weight of bridge beam body, reduces structural wood
The consuming of material, simplifies work progress, shortens construction period, ensure that the convenience of feed pipe and power pipe maintenance, can have
It imitates lifting construction quality, reduce bridge inspection and maintenance difficulty.
Technical solution provided by the utility model is described in detail above.Specific case pair used herein
The principles of the present invention and embodiment are expounded, and the above embodiments are only used to help understand, and this is practical new
The method and its core concept of type.It is practical not departing from it should be pointed out that for those skilled in the art
Under the premise of new principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this
In the protection scope of utility model claims.
Claims (10)
1. a kind of cable-stayed bridge steel overhangs structure of sidewalk, it is characterised in that: including girder, bottom plate, bracket institution, supporting mechanism,
Pavement, the bottom plate are fixedly connected on the outside of the girder by anchor bar along the length direction of girder at certain intervals
End face, the bracket institution are fixedly connected with the bottom plate, and dress, which is equipped with, in the bracket institution secretly buries feed pipe and secretly bury electricity
Solenoid, is provided with the supporting mechanism above the bracket institution, and the medial support of the supporting mechanism be fixed on it is described
On girder, it is fixedly connected on the outside of the outside of the supporting mechanism and the bracket institution, is set above the supporting mechanism
It is equipped with the pavement, and the pavement is located at the outside of cable-stayed bridge anchor rope component.
2. cable-stayed bridge steel according to claim 1 overhangs structure of sidewalk, it is characterised in that: under the bracket institution includes
String girder steel, oblique girder steel and sunpender steel column, one end of the lower edge girder steel are fixed with the bottom plate with one end of oblique girder steel
Connection, the other end of the lower edge girder steel is connected with the lower end of the sunpender steel column, the upper end of the sunpender steel column with it is described oblique
Be connected to the bottom of the supporting mechanism outer end to the other end of girder steel, it is described secretly bury feed pipe be set to the lower edge girder steel with
Between oblique girder steel, the dark buried power pipe is set between the oblique girder steel and the bottom plate.
3. cable-stayed bridge steel according to claim 2 overhangs structure of sidewalk, it is characterised in that: in the bottom plate and oblique steel
It is also connected between the middle part of beam and is fixed with bracket, the dark buried power pipe is supported on the bracket.
4. cable-stayed bridge steel according to claim 2 overhangs structure of sidewalk, it is characterised in that: the bottom plate and the lower edge
Between girder steel or oblique girder steel, between the oblique girder steel and sunpender steel column, the supporting mechanism and oblique girder steel or sunpender steel
It is connected by gusset plate between column.
5. cable-stayed bridge steel according to claim 1 overhangs structure of sidewalk, it is characterised in that: the supporting mechanism include by
The first stringer, first crossbeam, the second stringer, second cross beam, the third stringer that are set gradually in outside, first stringer, the
Two stringers, third stringer are arranged in parallel along the length direction of the girder, between first stringer and the second stringer,
The first crossbeam, second cross beam are set at certain intervals between two stringers and third stringer.
6. cable-stayed bridge steel according to claim 5 overhangs structure of sidewalk, it is characterised in that: the supporting mechanism further includes
It is fixedly connected on the inside of third crossbeam, one end of the third crossbeam and second stringer, the other end of the third crossbeam is stretched
Enter and be connected and fixed on the bottom of cable-stayed bridge Anti-collision railing.
7. cable-stayed bridge steel according to claim 1 overhangs structure of sidewalk, it is characterised in that: the pavement includes outer pier
Column, middle pier stud, interior pier stud, cover board, outer guardrail and interior guardrail, the outer pier stud, middle pier stud, interior pier stud are successively fixed from outside to inside
On the supporting mechanism, the cover board, and the midfoot support of the cover board are set in the span of the outer pier stud and interior pier stud
In the top of the middle pier stud, the outer guardrail is fixedly connected at the top of the outer pier stud, at the top of the interior pier stud
It is fixedly connected with the interior guardrail.
8. cable-stayed bridge steel according to claim 7 overhangs structure of sidewalk, it is characterised in that: in the outer pier stud and interior pier
Support level is provided on column, and the setting height of the support level is consistent with the middle pier stud, the two sides of the cover board
On the support level of support and two sides.
9. described in any item cable-stayed bridge steel overhang structure of sidewalk according to claim 1~8, it is characterised in that: in the branch
Air nozzle structure is arranged in the outside of frame mechanism, and the lower end of the air nozzle structure is connected with the outer end face of the bracket institution, the tuyere
The upper end of structure is fixedly connected with the outer end face of the supporting mechanism.
10. cable-stayed bridge steel according to claim 9 overhangs structure of sidewalk, it is characterised in that: the air nozzle structure includes
Along the supporting beam that the girder length direction is arranged at regular intervals, the outer end of the lower end of the supporting beam and the bracket institution
Face is connected, and the upper end is fixedly connected with the outer end face of the supporting mechanism, purlin is laid in the supporting beam, described
Decoration panel is laid on purlin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033715.5U CN209456892U (en) | 2019-01-09 | 2019-01-09 | Cable-stayed bridge steel overhangs structure of sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033715.5U CN209456892U (en) | 2019-01-09 | 2019-01-09 | Cable-stayed bridge steel overhangs structure of sidewalk |
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| CN209456892U true CN209456892U (en) | 2019-10-01 |
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| CN201920033715.5U Active CN209456892U (en) | 2019-01-09 | 2019-01-09 | Cable-stayed bridge steel overhangs structure of sidewalk |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555018A (en) * | 2019-01-09 | 2019-04-02 | 重庆市设计院 | A kind of cable-stayed bridge steel overhanging pavement mechanism |
| CN110747749A (en) * | 2019-10-30 | 2020-02-04 | 中铁大桥勘测设计院集团有限公司 | External beam supporting type maintenance road structure of combined beam bridge and construction method |
| CN111622118A (en) * | 2020-05-29 | 2020-09-04 | 中铁大桥局第七工程有限公司 | Sidewalk erecting method based on steel box girder cantilever arm |
-
2019
- 2019-01-09 CN CN201920033715.5U patent/CN209456892U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555018A (en) * | 2019-01-09 | 2019-04-02 | 重庆市设计院 | A kind of cable-stayed bridge steel overhanging pavement mechanism |
| CN110747749A (en) * | 2019-10-30 | 2020-02-04 | 中铁大桥勘测设计院集团有限公司 | External beam supporting type maintenance road structure of combined beam bridge and construction method |
| CN110747749B (en) * | 2019-10-30 | 2021-04-06 | 中铁大桥勘测设计院集团有限公司 | External beam supporting type maintenance road structure of combined beam bridge and construction method |
| CN111622118A (en) * | 2020-05-29 | 2020-09-04 | 中铁大桥局第七工程有限公司 | Sidewalk erecting method based on steel box girder cantilever arm |
| CN111622118B (en) * | 2020-05-29 | 2021-08-10 | 中铁大桥局第七工程有限公司 | Sidewalk erecting method based on steel box girder cantilever arm |
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Address after: 400000 No. 31, man street, Yuzhong District, Chongqing Patentee after: Chongqing Design Institute Co., Ltd Address before: 400000 No. 31, man street, Yuzhong District, Chongqing Patentee before: CHONGQING ARCHITECTURAL DESIGN INSTITUTE OF CHINA |
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