CN221345277U - Temporary pier structure of steel box girder - Google Patents
Temporary pier structure of steel box girder Download PDFInfo
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- CN221345277U CN221345277U CN202322706861.9U CN202322706861U CN221345277U CN 221345277 U CN221345277 U CN 221345277U CN 202322706861 U CN202322706861 U CN 202322706861U CN 221345277 U CN221345277 U CN 221345277U
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- pipe pile
- steel pipe
- steel box
- box girder
- layer steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 178
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- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 11
- 238000003860 storage Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a temporary pier structure of a steel box girder, which comprises a lower layer steel pipe pile and an upper layer steel pipe pile, wherein the lower layer steel pipe pile is of a hollow structure, the bottom of the upper layer steel pipe pile is sleeved into the lower layer steel pipe pile, and the upper layer steel pipe pile can move up and down in the lower layer steel pipe pile and be connected and fixed at any position; and a steel box girder is supported at the top of the upper layer steel pipe pile. The technical scheme of the utility model has flexibility and timeliness, can realize low-level beam storage, can lift the steel box girder at any time, lifts the upper layer steel pipe pile and the steel box girder upwards together, moves the upper layer steel pipe pile upwards in the lower layer steel pipe pile in the lifting process, anchors the bottom of the upper layer steel pipe pile and the lower layer steel pipe pile after lifting in place, has stronger capability of resisting longitudinal bridge wind load in special weather, does not delay construction progress, and can realize free adjustment of the height of the upper layer steel pipe pile.
Description
[ Field of technology ]
The utility model belongs to the field of full-floating steel box girder cable-stayed bridge engineering, and particularly relates to a temporary pier structure of a steel box girder.
[ Background Art ]
In the process of the upper structure of the full-floating steel box girder cable-stayed bridge, typhoons are easily generated when the long cantilever is struck, vibration damage is easily generated, at the moment, the steel box girder structure is restrained by manufacturing the wind-resistant temporary pier, the degree of freedom of the steel box girder is reduced, and wind damage is avoided.
The temporary pier in the prior art adopts a steel pipe truss structure, adopts a driven steel pipe pile foundation, welds steel pipes above the lowest water level in parallel to form a frame pier, extends the frame pier vertically upwards to form a temporary pier structure, and is anchored with a steel box girder. The defect of the technology is influenced by the length of the steel box girder segment, and the temporary pier can not occupy the space position where the ship is stopped when the adjacent girder segment is hoisted along the bridge, so that the stability of the longitudinal bridge is weaker, and when the height of the temporary pier is too high, the capacity of the temporary pier for resisting the wind load of the longitudinal bridge is weaker when the girder is stored in the steel box girder segment, so that the construction requirement can not be met.
In view of the above problems, the applicant has proposed a solution.
[ utility model ]
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a temporary pier structure of a steel box girder, which aims to optimize the structure of the original temporary pier, so that the height of a stored girder can be reduced when the height of the steel box girder from the water surface is higher, and the longitudinal bridge of the temporary pier is winded to meet the construction requirement.
The temporary pier structure of the steel box girder comprises a lower layer steel pipe pile and an upper layer steel pipe pile, wherein the lower layer steel pipe pile is of a hollow structure, the bottom of the upper layer steel pipe pile is sleeved into the lower layer steel pipe pile, and the upper layer steel pipe pile can move up and down in the lower layer steel pipe pile and be connected and fixed at any position; and a steel box girder is supported at the top of the upper layer steel pipe pile.
According to the temporary pier structure of the steel box girder, the upper layer steel pipe pile and the lower layer steel pipe pile are respectively provided with a stable connection structure.
According to the temporary pier structure of the steel box girder, the stable connecting structure comprises a straight connecting piece and a diagonal bracing connecting piece.
According to the temporary pier structure of the steel box girder, the upper layer steel pipe pile and the lower layer steel pipe pile are fixedly connected through the flange plate structure.
According to the temporary pier structure of the steel box girder, the flange plate structure comprises an inner flange plate sleeved at the bottom of an upper steel pipe pile and an outer flange plate arranged at the upper end of a lower steel pipe pile.
According to the temporary pier structure of the steel box girder, the top of the upper layer steel pipe pile is fixedly connected with the spandrel girder, and the steel box girder is fixedly connected to the spandrel girder.
According to the temporary pier structure of the steel box girder, a reverse pull lug plate is arranged between the spandrel girder and the steel box girder, one end of the reverse pull lug plate is fixed with the bottom of the steel box girder, and the other end of the reverse pull lug plate penetrates through the spandrel girder and is fixed at the bottom of the spandrel girder.
According to the temporary pier structure for the steel box girder, the upper end of the reverse pulling lug plate is hinged to the bottom of the steel box girder through the pin shaft, and the lower end of the reverse pulling lug plate is fixed with the bearing girder in a back pressure mode through the pin shaft.
According to the temporary pier structure of the steel box girder, provided by the embodiment of the invention, the lower end of the reverse pulling lug plate and the pin shaft are provided with the lower unloading block, and the lower unloading block is fixed by the adjustable top fastening of the lower unloading block.
According to the temporary pier structure of the steel box girder, an adjustable upper unloading block is arranged between the steel box girder and the spandrel girder.
Compared with the prior art, the utility model has the beneficial effects that:
when the construction is performed, the construction of the lower steel pipe pile is finished firstly, then the upper steel pipe pile is sleeved in the lower steel pipe pile, the construction of the upper steel pipe pile is finished, then the steel box girder is supported at the top of the upper steel pipe pile, and because the upper steel pipe pile is mostly located in the lower steel pipe pile at the moment, the steel box girder is in a low-position girder storage state, the traditional temporary pier structure is formed by fixedly constructing the lower steel pipe pile and the upper steel pipe pile from bottom to top. The technical scheme of the utility model has flexibility and timeliness, can realize low-level beam storage, can lift the steel box beam in place at any time, has stronger capability of resisting longitudinal bridge wind load in special weather, does not delay construction progress, and can realize free adjustment of the height of the upper layer steel pipe pile.
[ Description of the drawings ]
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a front view of an embodiment of the present utility model (non-lifted state);
FIG. 2 is a side view of an embodiment of the present utility model in a first (non-lifted state);
FIG. 3 is a front view of a second embodiment of the present utility model (lifted state);
FIG. 4 is a side view of a second embodiment of the present utility model (lifted state);
Fig. 5 is a schematic structural view of an upper layer steel pipe pile and a steel box girder according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a lower steel pipe pile according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of bolting an upper layer of steel pipe piles and a lower layer of steel pipe piles according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a connection structure between a steel box girder and a spandrel girder according to an embodiment of the present utility model;
FIG. 9 is a schematic diagram II of a connection structure between a steel box girder and a spandrel girder according to an embodiment of the present utility model;
FIG. 10 is a schematic diagram showing a connection structure of a back-pull lug plate for connecting a steel box girder and a spandrel girder according to an embodiment of the present utility model;
Fig. 11 is a schematic diagram of a connection structure of a counter-pulling lug plate for connecting a steel box girder and a spandrel girder in the embodiment of the utility model.
Description of main reference numerals:
10. A lower steel pipe pile; 11. an outer flange; 20. an upper layer steel pipe pile; 21. an inner flange; 30. a straight coupling; 40. a diagonal bracing coupling; 50. a spandrel girder; 60. a steel box girder; 70. reversely pulling the lug plate; 80. a pin shaft; 90. a drop block is dropped; 100. and (5) loading and unloading the falling blocks.
[ Detailed description ] of the invention
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.
The orientations shown in the drawings are not to be construed as limiting the specific scope of the utility model, and only as a reference to the preferred embodiments, variations in the positions or numbers of product components shown in the drawings or structural simplifications may be made.
The terms "connected" and "connected" as used in the specification and illustrated in the drawings refer to the components as being "connected" to each other, and are understood to mean fixedly connected or detachably connected or integrally connected; the connection can be direct connection or connection through an intermediate medium, and a person skilled in the art can understand the connection relation according to specific situations to obtain a screw connection or riveting or welding or clamping or embedding and other modes to replace the modes in different embodiments in a proper mode.
Terms of orientation such as up, down, left, right, top, bottom, and the like, as well as orientations shown in the drawings, may be used for direct contact or contact by additional features between the components; such as directly above and obliquely above, or it merely represents above the other; other orientations may be understood by analogy.
The materials for manufacturing the components with the solid shapes shown in the specification and the drawings can be metal materials or nonmetal materials or other composite materials; the machining process adopted for the parts with solid shapes can be stamping, forging, casting, wire cutting, laser cutting, casting, injection molding, milling, three-dimensional printing, machining and the like; those skilled in the art can adaptively select or combine according to different processing conditions, costs and precision, but are not limited to the above materials and manufacturing processes.
The utility model relates to a temporary pier structure of a steel box girder, which is shown in fig. 1 to 6, and comprises a lower steel pipe pile 10 and an upper steel pipe pile 20, wherein the lower steel pipe pile 10 is of a hollow structure, the bottom of the upper steel pipe pile 20 is sleeved into the lower steel pipe pile 10, and the upper steel pipe pile 20 can move up and down in the lower steel pipe pile 10 and be connected and fixed at any position; a steel box girder 60 is supported on top of the upper steel pipe pile 20.
During construction, the lower steel pipe pile 10 is firstly constructed, the upper steel pipe pile 20 is sleeved in the lower steel pipe pile 10 to finish construction of the upper steel pipe pile 20, then the steel box girder 60 is supported at the top of the upper steel pipe pile 20, because most of the upper steel pipe pile 20 is positioned in the lower steel pipe pile 10 at the moment, the steel box girder 60 is positioned at a low position for storage Liang Zhuangtai (shown in fig. 1 and 2), the lower steel pipe pile 10 and the upper steel pipe pile 20 are fixedly constructed from bottom to top to form a temporary pier structure, and due to the fact that the temporary pier is higher, the capability of resisting longitudinal bridge wind load is weaker in typhoon weather, the technical scheme of the utility model can firstly store the girder at the low position, even if typhoon weather is met, the capability of resisting longitudinal bridge wind load is stronger, and the upper steel pipe pile 20 and the steel box girder 60 are lifted upwards together, in the lifting process, the upper steel pipe pile 20 is lifted upwards in the lower steel pipe pile 10, and the bottom of the upper steel pipe pile 20 is anchored to the position after the lifting position, and the pile 20 and the lower steel pipe pile 10 are fixedly supported at the bottom of the steel pipe pile 10 (shown in fig. 3 and the steel box girder 60) are constructed, and the temporary pier structure is finished. The technical scheme of the utility model has flexibility and timeliness, not only can realize low-level beam storage, but also can lift the steel box beam 60 in place at any time, has stronger capability of resisting the longitudinal bridge wind load in special weather, and does not delay the construction progress. In addition, the height of the upper steel pipe pile 20 can be determined according to the actual construction requirement, and the free adjustment of the height of the upper steel pipe pile 20 is realized.
Further, in some embodiments of the present application, the upper steel pipe pile 20 and the lower steel pipe pile 10 are fixedly connected through a flange structure, specifically, the flange structure includes an inner flange 21 sleeved on the bottom of the upper steel pipe pile 20, and an outer flange 11 disposed on the upper end of the lower steel pipe pile 10, after the upper steel pipe pile 20 and the steel box girder 60 are lifted in place, the inner flange 21 is welded on the bottom of the upper steel pipe pile 20, the outer flange 11 is welded on the upper end of the lower steel pipe pile 10, and the inner flange 21 and the outer flange 11 are bolted.
In order to further improve the overall stability, in some embodiments of the present application, a stable connection structure is respectively provided on the upper steel pipe pile 20 and the lower steel pipe pile 10, and specifically, the stable connection structure includes a straight coupling member 30 and a diagonal bracing coupling member 40.
Further, in some embodiments of the present invention, the steel box girder 60 is supported by a spandrel girder 50, the spandrel girder 50 is fixedly connected to the top of the upper steel pipe pile 20, and the steel box girder 60 is fixedly connected to the spandrel girder 50.
Further, in some embodiments of the present application, the steel box girder 60 and the spandrel girder 50 are connected and fixed by adopting a structure of a counter-pulling lug plate 70, a counter-pulling lug plate 70 is arranged between the spandrel girder 50 and the steel box girder 60, one end of the counter-pulling lug plate 70 is fixed with the bottom of the steel box girder 60, the other end passes through the spandrel girder 50 and is fixed with the bottom of the spandrel girder 50, specifically, the upper end of the counter-pulling lug plate 70 is hinged with the bottom of the steel box girder 60 through a pin 80, and the lower end of the counter-pulling lug plate 70 is fixed with the spandrel girder 50 in a counter-pressure manner through the pin 80.
To facilitate the fixed adjustment of the lower end of the counter-pulling lug 70, further, in some embodiments of the present application, a drop-down block 90 is provided between the lower end of the counter-pulling lug 70 and the pin 80, and is adjustably secured by the drop-down block 90.
To accommodate the tightening and fixing between the steel box girders 60 and the spandrel girders 50 of different sizes and shapes, further, in some embodiments of the present invention, an adjustable upper drop block 100 is provided between the steel box girders 60 and the spandrel girders 50, and after tightening the steel box girders 60 and the spandrel girders 50 by using the counter-pulling lugs 70, the upper drop block 100 is adjusted to tighten the steel box girders 60 and the spandrel girders 50.
The steel beam can be anchored according to the distance between the steel box beam 60 and the spandrel girder 50 by reversely pulling the lug plate 70, the upper unloading block 100 and the lower unloading block 90, and the steel beam can be anchored along with the change of the elevation of the steel box beam 60, so that the operation is simple, and the steel beam line type is adapted.
While the present utility model has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the utility model as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.
Claims (10)
1. The temporary pier structure of the steel box girder is characterized by comprising a lower layer steel pipe pile (10) and an upper layer steel pipe pile (20), wherein the lower layer steel pipe pile (10) is of a hollow structure, the bottom of the upper layer steel pipe pile (20) is sleeved into the lower layer steel pipe pile (10), and the upper layer steel pipe pile (20) can move up and down in the lower layer steel pipe pile (10) and be connected and fixed at any position; a steel box girder (60) is supported at the top of the upper layer steel pipe pile (20).
2. A temporary pier structure for steel box girder according to claim 1, characterized in that stable connection structures are respectively provided on the upper layer steel pipe pile (20) and the lower layer steel pipe pile (10).
3. A temporary pier structure for steel box girders according to claim 2, characterized in that the stable connection structure comprises a straight coupling (30) and a diagonal-bracing coupling (40).
4. The temporary pier structure of a steel box girder according to claim 1, wherein the upper steel pipe pile (20) and the lower steel pipe pile (10) are fixedly connected through a flange structure.
5. The temporary pier structure for steel box girders according to claim 4, wherein the flange structure comprises an inner flange (21) sleeved on the bottom of the upper steel pipe pile (20), and an outer flange (11) arranged on the upper end of the lower steel pipe pile (10).
6. The temporary pier structure of a steel box girder according to claim 1, wherein a spandrel girder (50) is fixedly connected to the top of the upper steel pipe pile (20), and the steel box girder (60) is fixedly connected to the spandrel girder (50).
7. The temporary pier structure for steel box girders according to claim 6, wherein a counter-pulling lug plate (70) is provided between the spandrel girder (50) and the steel box girder (60), one end of the counter-pulling lug plate (70) is fixed to the bottom of the steel box girder (60), and the other end is fixed to the bottom of the spandrel girder (50) after passing through the spandrel girder (50).
8. The temporary pier structure for steel box girders according to claim 7, wherein the upper ends of the counter-pulling lugs (70) are hinged to the bottom of the steel box girders (60) through pins (80), and the lower ends of the counter-pulling lugs (70) are fixed with the spandrel girders (50) in a back pressure manner through pins (80).
9. A temporary pier structure for steel box girders according to claim 8, characterized in that a drop-down block (90) is provided between the lower end of the counter lug plate (70) and the pin shaft (80), which is fastened by means of an adjustable top of the drop-down block (90).
10. A steel box girder temporary pier structure according to claim 6, characterized in that an adjustable upper drop block (100) is provided between the steel box girder (60) and the spandrel girder (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322706861.9U CN221345277U (en) | 2023-10-09 | 2023-10-09 | Temporary pier structure of steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322706861.9U CN221345277U (en) | 2023-10-09 | 2023-10-09 | Temporary pier structure of steel box girder |
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| CN221345277U true CN221345277U (en) | 2024-07-16 |
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| CN202322706861.9U Active CN221345277U (en) | 2023-10-09 | 2023-10-09 | Temporary pier structure of steel box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117661445A (en) * | 2023-10-09 | 2024-03-08 | 中交路桥建设有限公司 | A construction method of temporary piers for steel box beams |
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2023
- 2023-10-09 CN CN202322706861.9U patent/CN221345277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117661445A (en) * | 2023-10-09 | 2024-03-08 | 中交路桥建设有限公司 | A construction method of temporary piers for steel box beams |
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