CN212801173U - External steel anchor pipe of novel cable-girder anchoring system of cable-stayed bridge - Google Patents
External steel anchor pipe of novel cable-girder anchoring system of cable-stayed bridge Download PDFInfo
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- CN212801173U CN212801173U CN202021344229.4U CN202021344229U CN212801173U CN 212801173 U CN212801173 U CN 212801173U CN 202021344229 U CN202021344229 U CN 202021344229U CN 212801173 U CN212801173 U CN 212801173U
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Abstract
The utility model discloses an external steel anchor pipe of a novel cable-girder anchoring system of a cable-stayed bridge, which belongs to the technical field of bridge design and comprises a bearing plate, a steel anchor pipe, an anchoring web plate, an upper stabilizing plate, a lower stabilizing plate, a bridge deck supporting plate, a stiffening plate and a stud; the bearing plate is welded at the bottom end of the steel anchor pipe, one end of the anchoring web plate is welded with the pipe wall of the steel anchor pipe, the other end of the anchoring web plate is welded with the girder web plate, the top plate and the bottom plate, the upper stabilizing plate and the lower stabilizing plate are respectively welded with the steel anchor pipe, the anchoring web plate and the girder web plate, the reinforcing plates are welded on the anchoring web plate between the upper stabilizing plate and the lower stabilizing plate and at the positions corresponding to the upper stabilizing plate and the lower stabilizing plate on the inner side of the girder, and the bridge deck support plate is welded. The utility model discloses can be applicable to the cable-stay bridge of any span, through the mode transmission load of shear force between cable and the girder, need not to carry out the secondary welding at the scene, guarantee construction quality.
Description
Technical Field
The utility model belongs to the technical field of the bridge design, a novel external steel anchor pipe of cable-stay bridge cable-stay system is related to.
Background
The external anchor pipe is evolved on the basis of a domestic mature steel anchor box and an internal anchor pipe of a cable anchoring system, the advantages of the external anchor pipe and the internal anchor pipe are integrated, the external anchor pipe is simple in structure and clear in force transmission, the external anchor pipe is installed on the outer side of a web plate of a main beam like the anchor box and connected with the web plate to form a weldable bolt, and both a tower end and a beam end can be tensioned. The external anchor pipe can be suitable for cable-stayed bridges with any span, load is transferred between the stay cable and the main beam in a shearing force mode, all steel members and main beam segments are manufactured together in a factory, secondary welding is not needed to be carried out on site, construction quality is guaranteed, and construction progress is accelerated.
At present, traditional cable-force anchor system of steel girder cable-stay bridge mainly has anchor case formula and arm-tie formula, and both all have obvious shortcoming: the space in the anchor box is narrow, so that the construction and maintenance are difficult; the main atress welding seam of arm-tie formula is drawn, and fatigue resistance can not be good, and the mountain area bridge need carry out on-the-spot secondary welding because of the transportation is inconvenient, and construction quality can't be guaranteed, and the arm-tie setting occupies the effective width of bridge floor at the girder top, and has certain influence to the anti-wind. The external anchor pipe can well overcome the defects of a traditional anchor box type and a traditional anchor plate type, and provides a new cable-beam anchoring structure for the cable-stayed bridge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect of existence among the prior art, provide an external steel anchor pipe of novel cable-stay bridge anchoring system of cable-stay bridge.
The technical scheme is as follows:
the utility model provides a novel external steel anchor pipe of cable-stay bridge anchor system, including the steel anchor pipe, the anchor web, go up the stabilizer plate, lower stabilizer plate, stiffening plate and backup pad, the welding of steel anchor pipe lower extreme has the bearing plate, anchor web both ends weld with steel anchor pipe and girder respectively, go up stabilizer plate, lower stabilizer plate and stiffening plate respectively with the steel anchor pipe, anchor web and girder web welding, go up stabilizer plate, lower stabilizer plate has the stiffening plate in girder web offside welding, the stiffening plate is respectively with cable cross beam and stiffening plate welding again, the backup pad both ends weld with steel anchor pipe and backup pad base respectively, the welding peg links to each other with decking on the backup pad base.
Furthermore, one end of the anchoring web plate is fixedly connected with the top of the main beam, the bottom plate and the web plate in a welding mode, and the other end of the anchoring web plate is fixedly connected with the steel anchor pipe in a welding mode.
Furthermore, the lower extreme of steel anchor pipe is provided with the bearing plate, and welding mode fixed connection after bearing plate and steel anchor pipe are tight through polishing the top.
Furthermore, one end of the support plate is fixedly connected with the steel anchor pipe in a welding mode, the other end of the support plate is fixedly connected with the support plate base in a welding mode, and the support plate base is fixedly connected with the stud in a welding mode.
Furthermore, the center of the lower stabilizing plate is arranged corresponding to the center of the inhaul cable cross beam, and the center of the stiffening plate is arranged corresponding to the center of the upper stabilizing plate.
Furthermore, the upper stabilizing plate, the lower stabilizing plate and the stiffening plate are fixedly connected with the steel anchor pipe, the anchoring web plate and the main beam web plate respectively in a welding mode.
Further preferably, the support plate and the main beam bridge deck plate are anchored to form a steel-concrete combined section in a mode of arranging the shear nails.
The utility model has the advantages that:
the utility model discloses a novel external steel anchor pipe of cable-stay bridge anchor system can be applicable to the cable-stay bridge of any span, through the mode transmission load of shear force between cable and the girder, provides a new cable-stay anchor structure selection for the cable-stay bridge, secondly, all steel members of this external anchor pipe and girder segment section are accomplished in the mill together, need not to carry out the secondary welding at the scene, guarantee construction quality for the construction progress is fit for popularizing and applying.
Drawings
FIG. 1 is a vertical view of a longitudinal bridge with external steel anchor pipes for the novel cable-girder anchoring system of the cable-stayed bridge;
FIG. 2 is a cross-bridge vertical view of the external steel anchor pipe of the novel cable-girder anchoring system of the cable-stayed bridge of the present invention;
FIG. 3 is a cross-sectional view of the structure of the lower stabilizer plate corresponding to the external steel anchor pipe of the novel cable-stayed bridge anchoring system of the present invention;
FIG. 4 is a cross-sectional view of the structure of the upper stabilizing plate corresponding to the external steel anchor pipe of the novel cable-stayed bridge anchoring system of the present invention;
fig. 5 is a cross-sectional view of the structure of a stiffening plate corresponding to the external steel anchor pipe of the novel cable-stayed bridge anchoring system of the invention;
fig. 6 is a schematic structural view of a support plate corresponding to the external steel anchor pipe of the novel cable-stayed bridge cable-beam anchoring system of the present invention;
FIG. 7 is a cross-sectional view of the steel anchor pipe corresponding to the external steel anchor pipe of the novel cable-stayed bridge anchoring system of the present invention;
fig. 8 is a schematic structural view of the anchoring web corresponding to the external steel anchor pipe of the cable-stayed bridge novel cable-beam anchoring system of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.
Example 1:
referring to fig. 1-7, the present invention provides a technical solution: an external steel anchor pipe of a novel cable-girder anchoring system of a cable-stayed bridge comprises a steel anchor pipe 2, an anchoring web 3, an upper stabilizing plate 5, a lower stabilizing plate 4, a first stiffening plate 6 and a supporting plate 9, wherein a bearing plate 1 is welded at the lower end of the steel anchor pipe 2, two ends of the anchoring web 3 are respectively welded with the steel anchor pipe 2 and a main girder 14, the upper stabilizing plate 5, the lower stabilizing plate 4 and the first stiffening plate 6 are respectively welded with the steel anchor pipe 2, the anchoring web 3 and the main girder web, a second stiffening plate 7 is welded at the opposite side of the main girder web by the upper stabilizing plate 5 and the lower stabilizing plate 4, the second stiffening plate 7 is respectively welded with a cable cross beam 13 and a third stiffening plate 8, two ends of the supporting plate 9 are respectively welded with the steel anchor pipe 2 and a supporting plate base 10, and a bolt 11 is welded on the supporting plate base 10 and connected with a bridge deck 12;
in this embodiment, preferably, one end of the anchor web 3 is fixedly connected with the top of the main beam, the bottom plate and the web are fixedly connected by a welding method, the other end of the anchor web 3 is fixedly connected with the steel anchor pipe 2 by a welding method, the lower end of the steel anchor pipe 2 is provided with the bearing plate 1, the bearing plate 1 is fixedly connected with the steel anchor pipe 2 by a welding method after being polished and tightened, one end of the support plate 9 is fixedly connected with the steel anchor pipe 2 by a welding method, the other end of the support plate is fixedly connected with the support plate base 10 by a welding method, the support plate base 10 is fixedly connected with the stud 11 by a welding method, the center of the lower stabilizing plate 4 is arranged corresponding to the center of the cable cross beam 13, the center of the third stiffening plate 8 is arranged corresponding to the center of the upper stabilizing plate 5, and the upper stabilizing plate 5, the lower stabilizing plate 4 and the first stiffening plate 6 are fixedly connected with. The external anchor pipe can be suitable for cable-stayed bridges with any span.
Example 2:
referring to fig. 1-7, the present invention provides a technical solution: an external steel anchor pipe of a novel cable-girder anchoring system of a cable-stayed bridge comprises a steel anchor pipe 2, an anchoring web 3, an upper stabilizing plate 5, a lower stabilizing plate 4, a first stiffening plate 6 and a supporting plate 9, wherein a bearing plate 1 is welded at the lower end of the steel anchor pipe 2, two ends of the anchoring web 3 are respectively welded with the steel anchor pipe 2 and a main girder 14, the upper stabilizing plate 5, the lower stabilizing plate 4 and the first stiffening plate 6 are respectively welded with the steel anchor pipe 2, the anchoring web 3 and the main girder web, a second stiffening plate 7 is welded at the opposite side of the main girder web by the upper stabilizing plate 5 and the lower stabilizing plate 4, the second stiffening plate 7 is respectively welded with a cable cross beam 13 and a third stiffening plate 8, two ends of the supporting plate 9 are respectively welded with the steel anchor pipe 2 and a supporting plate base 10, and a bolt 11 is welded on the supporting plate base 10 and connected with a bridge deck 12;
in this embodiment, preferably, one end of the anchor web 3 is fixedly connected with the top of the main beam, the bottom plate and the web are fixedly connected by a welding method, the other end of the anchor web 3 is fixedly connected with the steel anchor pipe 2 by a welding method, the lower end of the steel anchor pipe 2 is provided with the bearing plate 1, the bearing plate 1 is fixedly connected with the steel anchor pipe 2 by a welding method after being polished and tightened, one end of the support plate 9 is fixedly connected with the steel anchor pipe 2 by a welding method, the other end of the support plate is fixedly connected with the support plate base 10 by a welding method, the support plate base 10 is fixedly connected with the stud 11 by a welding method, the center of the lower stabilizing plate 4 is arranged corresponding to the center of the cable cross beam 13, the center of the third stiffening plate 8 is arranged corresponding to the center of the upper stabilizing plate 5, and the upper stabilizing plate 5, the lower stabilizing plate 4 and the first stiffening plate 6 are fixedly connected with. The external anchor pipe can be suitable for cable-stayed bridges with any span.
In order to enhance the stability of the cantilever end of the steel anchor pipe, in this embodiment, preferably, one end of the supporting plate 9 is fixedly connected with the steel anchor pipe 2 by welding, the other end is fixedly connected with the supporting plate base 10 by welding, the supporting plate base 10 is fixedly connected with the stud 11 by welding, and the concrete of the bridge deck 12 is integrated with the stud 11;
the utility model discloses a theory of operation and use flow: the manufacturing of the steel girder segments is firstly completed in a factory, then the blanking of each steel member of the external steel anchor pipe is completed, the anchoring web 3 plate is firstly welded with the steel girder top plate, the bottom plate and the web plate into a whole, the bearing plate 1 is welded with the steel anchor pipe 2 into a whole and then welded with the anchoring web plate 3 into a whole, then the upper stabilizing plate 5, the lower stabilizing plate 4, the first stiffening plate 6, the second stiffening plate 7 and the third stiffening plate 8 are welded at corresponding positions, the end of the supporting plate 9 is firstly welded with the steel anchor pipe 2 after the supporting plate 9, the supporting plate base 10 and the studs 11 are welded into a whole, and then the supporting plate base 10 is welded with the girder top plate flange. All steel members of this external anchor pipe and girder segment are accomplished in the mill's preparation together, need not to carry out the secondary welding at the scene, guarantee construction quality for the construction progress, in addition, this external anchor pipe can improve the effective width of bridge floor, reduces the bridge floor width, reduces engineering cost.
The above description is only a preferred embodiment of the present invention, the protection scope of the present invention is not limited thereto, and any person skilled in the art can obviously obtain simple changes or equivalent replacements of the technical solutions within the technical scope of the present invention.
Claims (6)
1. The utility model provides an external steel anchor pipe of novel cable-stay bridge anchoring system of cable-stay bridge which characterized in that: including steel anchor pipe (2), anchor web (3), go up stabilizer plate (5), stabilizer plate (4), first stiffening plate (6) and backup pad (9), its characterized in that down: bearing plate (1) is welded at the lower end of a steel anchor pipe (2), two ends of an anchoring web plate (3) are respectively welded with the steel anchor pipe (2) and a main beam (14), an upper stabilizing plate (5), a lower stabilizing plate (4) and a first stiffening plate (6) are respectively welded with the steel anchor pipe (2), the anchoring web plate (3) and the main beam web plate, the upper stabilizing plate (5), the lower stabilizing plate (4) is welded with a second stiffening plate (7) at the opposite side of the main beam web plate, the second stiffening plate (7) is respectively welded with a guy cable cross beam (13) and a third stiffening plate (8), two ends of a support plate (9) are respectively welded with the steel anchor pipe (2) and a support plate base (10), and a welding bolt (11) is connected with a bridge deck plate (12) on the support plate base (10).
2. The external steel anchor pipe of the novel cable-girder anchoring system of the cable-stayed bridge according to claim 1, which is characterized in that: one end of the anchoring web plate (3) is fixedly connected with the top of the main beam, the bottom plate and the web plate in a welding mode, and the other end of the anchoring web plate (3) is fixedly connected with the steel anchor pipe (2) in a welding mode.
3. The external steel anchor pipe of the novel cable-girder anchoring system of the cable-stayed bridge according to claim 2, characterized in that: the lower extreme of steel anchor pipe (2) is provided with bearing plate (1), and welding mode fixed connection after bearing plate (1) and steel anchor pipe (2) are tight through polishing top.
4. The external steel anchor pipe of the novel cable-girder anchoring system of the cable-stayed bridge according to claim 3, characterized in that: one end of the support plate (9) is fixedly connected with the steel anchor pipe (2) in a welding mode, the other end of the support plate is fixedly connected with the support plate base (10) in a welding mode, and the support plate base (10) is fixedly connected with the stud (11) in a welding mode.
5. The external steel anchor pipe of the novel cable-girder anchoring system of the cable-stayed bridge according to claim 4, characterized in that: the center of the lower stabilizing plate (4) is arranged corresponding to the center of the inhaul cable cross beam, and the center of the third stiffening plate (8) is arranged corresponding to the center of the upper stabilizing plate (5).
6. The external steel anchor pipe of the novel cable-girder anchoring system of the cable-stayed bridge according to any one of claims 1 to 5, which is characterized in that: the upper stabilizing plate (5), the lower stabilizing plate (4) and the first stiffening plate (6) are fixedly connected with the steel anchor pipe (2), the anchor web (3) and the main beam web respectively in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021344229.4U CN212801173U (en) | 2020-07-10 | 2020-07-10 | External steel anchor pipe of novel cable-girder anchoring system of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021344229.4U CN212801173U (en) | 2020-07-10 | 2020-07-10 | External steel anchor pipe of novel cable-girder anchoring system of cable-stayed bridge |
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| CN212801173U true CN212801173U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021344229.4U Active CN212801173U (en) | 2020-07-10 | 2020-07-10 | External steel anchor pipe of novel cable-girder anchoring system of cable-stayed bridge |
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| CN (1) | CN212801173U (en) |
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2020
- 2020-07-10 CN CN202021344229.4U patent/CN212801173U/en active Active
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