CN208563108U - Side case combination girder stayed-cable bridge cable beam anchoring construction - Google Patents
Side case combination girder stayed-cable bridge cable beam anchoring construction Download PDFInfo
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- CN208563108U CN208563108U CN201820864880.0U CN201820864880U CN208563108U CN 208563108 U CN208563108 U CN 208563108U CN 201820864880 U CN201820864880 U CN 201820864880U CN 208563108 U CN208563108 U CN 208563108U
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- anchor
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- drawplate type
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Abstract
The utility model discloses it is a kind of while case combination girder stayed-cable bridge cable beam anchoring construction and while case combination girder stayed-cable bridge, the anchoring structure includes the anchor drawplate type anchor structure for anchoring suspension cable bottom end, anchor drawplate type anchor structure is mounted on the top flange upper surface of side case steel girder, and anchor drawplate type anchor structure is at least partially disposed at top flange and case steel girder in side indulges the intersection of the outside web 31 of bridge.The utility model is by the way that anchor drawplate type anchor structure to be set on top flange at position corresponding with the outside web of vertical bridge, suspension cable is anchored on anchor drawplate type anchor structure again, guarantee that the power transmission between suspension cable and the outside web of vertical bridge is direct, smooth, avoid anchor structure local stress excessive, improve fatigue performance, since anchor drawplate type anchor structure is located on bridge floor, thus the maintenance in later period is also more convenient.
Description
Technical field
The utility model relates to technical field of bridge engineering, and in particular to a kind of side case combination girder stayed-cable bridge cable beam anchoring structure
It makes.
Background technique
In cable-stayed bridge, the self weight and vehicle active load that girder is born by suspension cable pass to king-tower, form cable-stayed bridge
Stress system.Between suspension cable and girder firm connecting structure be suspension cable transmitting load premise and cable-stayed bridge by
The basis that power system is set up.To the cable-stayed bridge using side case steel girder section form, the cable beam anchoring mode of traditional suspension cable
Mainly by following 2 kinds:
(1) steel anchor box is anchored among the case steel girder chamber of side, if suspension cable is anchored in side case steel girder by steel anchor box
Among chamber, since steel anchor box is placed in the inside of side case steel girder, during operation, later period maintenance maintenance is inconvenient；
(2) steel anchor box is anchored in the outer web side of side case steel girder chamber, if suspension cable is anchored in side case steel girder chamber
Outer web side, since power transmission is not direct between suspension cable and web, cable beam anchoring structure local stress is larger, fatigue performance compared with
Difference.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of side case combination girder stayed-cable bridges
Cable beam anchoring construction guarantees that the power transmission between suspension cable and the outside web of vertical bridge is direct, smooth, avoids local stress excessive, after
Phase maintenance is also more convenient.
To achieve the above objectives, the technical scheme adopted by the utility model is that: a kind of side case combination girder stayed-cable bridge Suo Liang anchor
Gu construction comprising for anchoring the anchor drawplate type anchor structure of suspension cable bottom end, the anchor drawplate type anchor structure is mounted on
On the top flange upper surface of side case steel girder, and the anchor drawplate type anchor structure be at least partially disposed at the top flange with it is described
Side case steel girder indulges the intersection of the outside web of bridge.
Further, the anchor drawplate type anchor structure is located at right above the outside web of vertical bridge.
Further, the anchor drawplate type anchor structure includes anchor tie plate, the anchor cylinder for anchoring the suspension cable and sets
In anchor cylinder bottom and with the vertically arranged anchor plate of anchor cylinder；The anchor tie plate is mounted on the top flange upper surface
On, and its top offers a blind hole along its axis direction；The anchor cylinder is at least partially seated in the blind hole, the anchor pad
There are gaps with the blind via bottom for plate；The anchor plate is equipped with through-hole corresponding with the anchor cylinder nozzle.
Further, the outer wall of the anchor cylinder is welded on the blind hole inner wall.
Further, the anchor plate is welded on the anchor cylinder.
Further, two ribbed stiffeners, two ribbed stiffeners and the anchor are equipped with along wherein axisymmetrical in the anchor tie plate
Pulling plate axis parallel, and its bottom end is connected with the top flange.
Further, the top flange lower surface be equipped with vertical stiffener, the stiffener perpendicular to the vertical bridge to
The bottom extremity of the plate face of outer web, the stiffener top and the ribbed stiffener is converged.
Compared with the prior art, the advantages of the utility model are:
Anchor drawplate type anchor structure is located on top flange position corresponding with the outside web of vertical bridge, oblique pull by the utility model
Rope is anchored on anchor drawplate type anchor structure, forms cable beam anchoring structure.The dead load and vehicular load of bridge structure pass through side case
After the outside web of vertical bridge of steel girder is transferred to top flange, then it is transferred to corresponding anchor drawplate type anchor structure, finally
It is transferred on suspension cable, realizes the direct power transmission between side case steel girder and suspension cable, improve the stress of cable beam anchoring structure,
Improve the durability of cable beam anchoring structure.
The utility model is by being set to position corresponding with the outside web of vertical bridge on top flange for anchor drawplate type anchor structure
Place, then suspension cable is anchored on anchor drawplate type anchor structure, guarantee power transmission between suspension cable and the outside web of vertical bridge directly,
It is smooth.Simultaneously as the anchor drawplate type anchor structure of the utility model is located on bridge floor, it is easy to it reaches, thus the later period is feeding
Shield maintenance is also more convenient.
Detailed description of the invention
Fig. 1 be side case combination girder stayed-cable bridge cable beam anchoring provided by the embodiment of the utility model construction along vertical bridge to section
Schematic diagram；
Fig. 2 is structural schematic diagram of the anchor drawplate type anchor structure provided by the embodiment of the utility model along direction across bridge.
In figure: 1, anchor drawplate type anchor structure；10, anchor tie plate；11, anchor cylinder；12, anchor plate；13, blind hole；14, it puts more energy into
Rib；2, suspension cable；3, side case steel girder；30, top flange；31, the outside web of bridge is indulged；32, stiffener；4, gooseneck.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the utility model embodiment provides a kind of side case combination girder stayed-cable bridge cable beam anchoring construction,
Including the anchor drawplate type anchor structure 1 for anchoring 2 bottom end of suspension cable, anchor drawplate type anchor structure 1 is mounted on side case steel girder 3
30 upper surface of top flange on, and anchor drawplate type anchor structure 1 be at least partially disposed at top flange 30 and side case steel girder 3 indulge bridge to
The intersection of outer web 31.
The implementation of the utility model aim is, by anchor drawplate type anchor structure 1 be located on top flange 30 with vertical bridge to
The corresponding position of outer web 31, suspension cable 2 are anchored on anchor drawplate type anchor structure 1, form cable beam anchoring structure.
The dead load and vehicular load of bridge structure are transferred to top flange 30 by the outside web 31 of vertical bridge of side case steel girder 3
Afterwards, then it is transferred to corresponding anchor drawplate type anchor structure 1, be finally transmitted on suspension cable 2, realize side case steel girder 3
Direct power transmission between suspension cable 2, improves the stress of cable beam anchoring structure, improves the durability of cable beam anchoring structure.
The utility model is corresponding with the outside web 31 of vertical bridge on top flange 30 by the way that anchor drawplate type anchor structure 1 to be set to
At position, then suspension cable 2 is anchored on anchor drawplate type anchor structure 1, guaranteed between suspension cable 2 and the outside web 31 of vertical bridge
Power transmission is direct, smooth.Simultaneously as anchor drawplate type anchor structure 1 of the invention is located on bridge floor, it is easy to reach, because then
The maintenance of phase is also more convenient.
Shown in Figure 1, anchor drawplate type anchor structure 1 is located at right above the outside web 31 of vertical bridge.
Shown in Figure 2, anchor drawplate type anchor structure 1 includes anchor tie plate 10, the anchor cylinder 11 for anchoring suspension cable 2 and sets
In 11 bottom of anchor cylinder and with the vertically arranged anchor plate 12 of anchor cylinder 11, anchor plate 12 is welded in anchor cylinder by the way of fusion weld
On 11；Anchor tie plate 10 is mounted on 30 upper surface of top flange, and its top offers a blind hole 13, anchor tie plate along its axis direction
10 is suitably sized according to the selection of the size of 2 Suo Li of suspension cable, and the opening size of blind hole 13 should meet suspension cable 2 and hang operation
Space need；Anchor cylinder 11 is at least partially seated in blind hole 13, and the outer wall of anchor cylinder 11 is welded in blind hole 13 using welding manner
On inner wall, there are gaps with 13 bottom of blind hole for anchor plate 12, for installing the anchor head being connected with suspension cable 2；It is set on anchor plate 12
There is through-hole corresponding with 11 nozzle of anchor cylinder.
It is shown in Figure 2, two ribbed stiffeners 14, two ribbed stiffeners 14 and anchor tie plate are equipped with along wherein axisymmetrical in anchor tie plate 10
10 axis parallels, and its bottom end is connected with top flange 30.Ribbed stiffener 14 can be compensated due to opening up blind hole 13 and to anchor tie plate
Lateral stiffness and globality after the weakening effect in 10 sections, enhancing anchor tie plate 10 and the welding of top flange 30.
Shown in Figure 2,30 lower surface of top flange is equipped with vertical stiffener 32, and stiffener 32 is perpendicular to the outside abdomen of vertical bridge
The bottom extremity of the plate face of plate 31,32 top of stiffener and ribbed stiffener 14 is converged.
The utility model can be adapted for H-type, Y type, inverted Y-shaped, A type Sarasota cable-stayed bridge, in a kind of embodiment cable-stayed bridge,
Sarasota is in H-type, further includes gooseneck 4, multiple side case combination girder stayed-cable bridge cable beam anchorings as above construct and suspension cable 2,
4 direction across bridge two sides of gooseneck are equipped with side case steel girder 3, and the side case steel girder 3 of 4 direction across bridge two sides of gooseneck is set on Sarasota
On crossbeam, and the two sides of the crossbeam are located at, 2 one end of suspension cable is anchored on Sarasota, and the other end is anchored in anchor drawplate type
On anchor structure 1.
The utility model is not limited to above embodiment, for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can also be made, these improvements and modifications are also considered as this reality
Within novel protection scope.The content being not described in detail in this specification belongs to well known to professional and technical personnel in the field
The prior art.
Claims (7)
1. a kind of side case combination girder stayed-cable bridge cable beam anchoring construction, it is characterised in that: it includes for anchoring suspension cable (2) bottom end
Anchor drawplate type anchor structure (1), the anchor drawplate type anchor structure (1) is mounted on the top flange (30) of side case steel girder (3)
On upper surface, and the anchor drawplate type anchor structure (1) is at least partially disposed at the top flange (30) and the side case steel girder
(3) intersection of the outside web of bridge (31) is indulged.
2. side case combination girder stayed-cable bridge cable beam anchoring construction as described in claim 1, it is characterised in that: the anchor drawplate type anchor
Fixing structure (1) is located at right above the vertical outside web of bridge (31).
3. side case combination girder stayed-cable bridge cable beam anchoring construction as described in claim 1, it is characterised in that: the anchor drawplate type anchor
Fixing structure (1) include anchor tie plate (10), the anchor cylinder (11) for anchoring the suspension cable (2) and be set to anchor cylinder (11) bottom
And with the vertically arranged anchor plate of the anchor cylinder (11) (12)；The anchor tie plate (10) is mounted on the top flange (30) upper surface
On, and its top offers a blind hole (13) along its axis direction；The anchor cylinder (11) is at least partially seated at the blind hole
(13) in, there are gaps with the blind hole (13) bottom for the anchor plate (12)；The anchor plate (12) is equipped with and the anchor
The corresponding through-hole of cylinder (11) nozzle.
4. side case combination girder stayed-cable bridge cable beam anchoring construction as claimed in claim 3, it is characterised in that: the anchor cylinder (11)
Outer wall is welded on the blind hole (13) inner wall.
5. side case combination girder stayed-cable bridge cable beam anchoring construction as claimed in claim 3, it is characterised in that: the anchor plate (12)
It is welded on the anchor cylinder (11).
6. side case combination girder stayed-cable bridge cable beam anchoring construction as claimed in claim 3, it is characterised in that: the anchor tie plate (10)
Wherein axisymmetrical is equipped with two ribbed stiffeners (14) on interior edge, two ribbed stiffeners (14) and the anchor tie plate (10) axis parallel,
And its bottom end is connected with the top flange (30).
7. side case combination girder stayed-cable bridge cable beam anchoring construction as claimed in claim 6, it is characterised in that: the top flange (30)
Lower surface is equipped with vertical stiffener (32), plate face of the stiffener (32) perpendicular to the vertical outside web of bridge (31), institute
The bottom extremity for stating stiffener (32) top and the ribbed stiffener (14) is converged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864880.0U CN208563108U (en) | 2018-06-05 | 2018-06-05 | Side case combination girder stayed-cable bridge cable beam anchoring construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864880.0U CN208563108U (en) | 2018-06-05 | 2018-06-05 | Side case combination girder stayed-cable bridge cable beam anchoring construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208563108U true CN208563108U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820864880.0U Active CN208563108U (en) | 2018-06-05 | 2018-06-05 | Side case combination girder stayed-cable bridge cable beam anchoring construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017581A1 (en) * | 2019-07-26 | 2021-02-04 | 中铁大桥勘测设计院集团有限公司 | Anchoring apparatus that adapts to longitudinal movement of structure and installation method |
-
2018
- 2018-06-05 CN CN201820864880.0U patent/CN208563108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017581A1 (en) * | 2019-07-26 | 2021-02-04 | 中铁大桥勘测设计院集团有限公司 | Anchoring apparatus that adapts to longitudinal movement of structure and installation method |
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