CN218911106U - Combined bridge pier - Google Patents
Combined bridge pier Download PDFInfo
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- CN218911106U CN218911106U CN202223132387.5U CN202223132387U CN218911106U CN 218911106 U CN218911106 U CN 218911106U CN 202223132387 U CN202223132387 U CN 202223132387U CN 218911106 U CN218911106 U CN 218911106U
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- steel pipe
- pipe column
- steel
- pier
- bearing platform
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model provides a combined pier, which comprises a bearing platform and a pier body connected to the bearing platform, wherein the bearing platform is arranged on the pier body; the pier body comprises a hollow steel pipe column, an outer pipe sleeved outside the steel pipe column and an inner pipe embedded in the steel pipe column; the outer side of the steel pipe column is connected with a plurality of outer shear nails; the inner side surface of the steel pipe column is connected with a plurality of inner shear nails; rubber concrete is poured between the outer pipe and the steel pipe column and between the inner pipe and the steel pipe column. The outer pipe and the inner pipe are arranged on the outer side and the inner side of the steel pipe column, and rubber concrete is poured between the outer pipe and the steel pipe column and between the inner pipe and the steel pipe column; when the steel pipe pile is used in an offshore environment, the steel pipe pile is prevented from being exposed to the atmosphere to contact chloride ions, the corrosion of the steel pipe pile is accelerated, the strength of steel is reduced, and the bearing capacity and durability of a steel pier are further affected; meanwhile, the cast rubber concrete can effectively improve the fatigue resistance, impact resistance and other performances of the steel bridge pier.
Description
Technical Field
The utility model relates to the technical field of bridge structures, in particular to a combined bridge pier.
Background
Compared with the traditional reinforced concrete structure, the steel structure has the advantages of light weight, high strength, large span, reusability, good ductility, industrial production and the like, is widely applied to the civil engineering industry at present, particularly in bridge engineering, can be used for making beautiful bridge modeling, and has the advantages of short construction period and controllable quality. However, when the steel bridge pier is used in an offshore environment, the content of chloride ions in the atmosphere is high, and the chloride ions have strong hygroscopicity and corrosiveness, so that the corrosion of steel is further accelerated, the strength of the steel is reduced, and the bearing capacity and durability of the steel bridge pier are seriously affected. In addition, the earthquake damage of the existing steel bridge pier shows that the steel bridge pier is easy to generate local yield and ultra-low cycle fatigue damage during earthquake.
Disclosure of Invention
Accordingly, an object of the present utility model is to provide a composite bridge pier to solve the above-mentioned problems.
The utility model adopts the following scheme:
the application provides a combined pier, which comprises a bearing platform and a pier body connected to the bearing platform; the pier body comprises a hollow steel pipe column, an outer pipe sleeved outside the steel pipe column and an inner pipe embedded in the steel pipe column; the outer side of the steel pipe column is connected with a plurality of outer shear nails; the inner side surface of the steel pipe column is connected with a plurality of inner shear nails; rubber concrete is poured between the outer pipe and the steel pipe column and between the inner pipe and the steel pipe column.
Further, the outer tube and the inner tube are glass fiber reinforced resin composite materials.
Further, a connecting steel plate is preset in the bearing platform, a fixing plate is formed by extending outwards from the bottom of the steel pipe column, and the fixing plate is connected with the connecting steel plate through bolts; and the rubber concrete is poured in the bearing platform.
Further, a plurality of stiffening ribs are arranged between the outer side face of the steel pipe column and the fixing plate.
Further, a plurality of energy consumption bars are further arranged around the outer side of the steel pipe column, one end of each energy consumption bar is connected to the outer side face of the steel pipe column, and the other end of each energy consumption bar is connected to a connecting steel plate of the bearing platform.
Further, one end of the energy consumption rod is connected with a steel block, the steel block is welded to the outer side face of the steel pipe column, and the other end of the energy consumption rod is connected to the fixing plate and the connecting steel plate.
Further, the energy dissipation rod further comprises a plurality of structural stirrups, and the structural stirrups are arranged on the energy dissipation rod in a hooping mode.
The utility model provides a combined pier, which is characterized in that an outer pipe and an inner pipe are arranged on the outer side and the inner side of a steel pipe column, and rubber concrete is poured between the outer pipe and the steel pipe column and between the inner pipe and the steel pipe column; when the steel pipe pile is used in an offshore environment, the steel pipe pile is prevented from being exposed to the atmosphere to contact chloride ions, the corrosion of the steel pipe pile is accelerated, the strength of steel is reduced, and the bearing capacity and durability of a steel pier are further affected; meanwhile, the cast rubber concrete can effectively improve the fatigue resistance, impact resistance and other performances of the steel bridge pier.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a composite bridge pier according to an embodiment of the present utility model;
FIG. 2 isbase:Sub>A schematic cross-sectional view of the A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional structure of B-B in FIG. 1;
icon: the steel pipe column comprises an inner pipe 1, rubber concrete 2, a steel pipe column 3, an outer pipe 4, a steel block 5, an energy consumption rod 6, an outer shear pin 7-1, an inner shear pin 7-2, a structural stirrup 8, a stiffening rib 9, a connecting steel plate 10 and a bearing platform 11
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
Examples
Referring to fig. 1 to 3, the present embodiment provides a combined pier, which includes a bearing platform 11 and a pier body connected to the bearing platform 11; the pier body comprises a hollow steel pipe column 3, an outer pipe 4 sleeved outside the steel pipe column 3 and an inner pipe 1 embedded in the steel pipe column 3; the outer side of the steel pipe column 3 is connected with a plurality of outer shear nails 7-1; the inner side surface of the steel pipe column 3 is connected with a plurality of inner shear nails 7-2; rubber concrete 2 is poured between the outer pipe 4 and the steel pipe column 3 and between the inner pipe 1 and the steel pipe column 3.
In this embodiment, the bearing platform 11 is used as a foundation of the pier, the construction is required at a designated position, the connection steel plate 10 is embedded in the bearing platform 11, and the connection steel plate 10 is provided with bolt holes. The steel pipe column 3 is a round hollow steel pipe, an outer shear pin 7-1 is welded on the outer side surface of the whole circumference of the steel pipe column, and an inner shear pin 7-2 is welded on the inner side surface of the whole circumference of the steel pipe column; the bottom of the steel pipe column 3 extends outwards to form a whole circle of fixing plate, bolt holes are formed in the fixing plate, a plurality of stiffening ribs 9 are arranged between the outer side surface of the steel pipe column 3 and the fixing plate, and the fixing plate is fixedly connected with the connecting steel plate 10 through bolts; the stiffening ribs 9 can strengthen the strength of connection between the steel pipe column 3 and the bottom fixing plate, and better ensure that the connection between the fixing plate and the connecting steel plate 10 is stable.
A circular outer pipe 4 is sleeved outside the steel pipe column 3, a circular inner pipe 1 is embedded inside the steel pipe column 3, and the inner pipe 1 and the outer pipe 4 are made of glass fiber reinforced resin composite materials, so that the steel pipe column has the advantages of light dead weight, strong corrosion resistance, good elasticity and the like; the outer side of the steel pipe column 3 is also provided with a plurality of energy consumption rods 6, two ends of each energy consumption rod 6 are connected with steel blocks 5, one end of each energy consumption rod is welded on the outer side surface of the steel pipe column 3 through the steel blocks 5, and the steel blocks 5 at the other end are connected to the connecting steel plates 10 through bolts; the energy dissipation rod 6 can further improve the energy dissipation capacity of the pier, resist impact and prolong the service life of the steel pier.
Further, the energy dissipation rod structure further comprises a plurality of structure stirrups 8, and the structure stirrups 8 are hooped on the energy dissipation rod 6 and used for further reinforcing the energy dissipation rod 6, so that the problem that the energy dissipation rod 6 is inclined and the like is avoided, and the energy dissipation function cannot be realized.
In this embodiment, the connecting steel plate 10 in the bearing platform 11 may be prefabricated at a designated site of construction, the outer tube 4 and the inner tube 1 may be prefabricated at a prefabrication factory, and the outer shear nails 7-1 and the inner shear nails 7-2 on the steel pipe column 3 and the energy dissipation rod 6 may be machined and welded at the prefabrication factory; and then conveying the steel pipe column 3 to a construction site for assembly and splicing, connecting the steel pipe column 3 to a connecting steel plate 10 in the bearing platform 11 through bolts, binding steel bars of the bearing platform 11, supporting a formwork, finally pouring the rubber concrete 2, and maintaining the rubber concrete, so that the time for on-site processing can be greatly saved, and the construction efficiency is improved.
The utility model provides a combined pier, wherein an outer pipe 4 and an inner pipe 1 are arranged on the outer side and the inner side of a steel pipe column 3, and rubber concrete 2 is poured between the outer pipe 4 and the steel pipe column 3 and between the inner pipe 1 and the steel pipe column 3; when the steel pipe column is used in an offshore environment, the steel pipe column 3 is prevented from being exposed to the atmosphere to contact chloride ions, the corrosion of the steel pipe column 3 is accelerated, the strength of steel is reduced, and the bearing capacity and the durability of a steel pier are further affected; meanwhile, the cast rubber concrete 2 can effectively improve the fatigue resistance, impact resistance and other performances of the steel bridge pier.
The following details the preparation process of the combined pier, including the following steps:
s1, pier body processing, namely processing an inner pipe 1 and an outer pipe 4, wherein the outer pipe 4 and the inner pipe 1 are made of glass fiber reinforced resin composite materials; welding an inner shear pin 7-2 to the inner side surface of the steel pipe column 3, and welding an outer shear pin 7-1 to the outer side surface of the steel pipe column 3; and welding steel blocks 5 at two ends of the energy consumption rod 6, and welding one end of the steel blocks 5 on the outer side surface of the steel pipe column 3. And (3) constructing the bearing platform 11, pouring a bearing platform 11 foundation at a designated position of a construction site, embedding a steel plate for connecting the pier body, and punching bolt holes in the steel plate.
S2: the other ends of the steel pipe column 3 and the energy consumption rod 6 are connected to the steel plate of the bearing platform 11 through bolts; and reinforcing the energy consumption rod 6 by adopting a structural stirrup 8; the inner pipe 1 is fixedly arranged inside the steel pipe column 3, and the outer pipe 4 is sleeved outside the steel pipe column 3; binding the steel bars of the bearing platform 11 and supporting the mould.
S3: rubber concrete 2 is poured between the inner pipe 1 and the steel pipe column 3, between the outer pipe 4 and the steel pipe column 3, and in the bearing platform 11, and is maintained.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Claims (7)
1. The combined pier is characterized by comprising a bearing platform and a pier body connected to the bearing platform; the pier body comprises a hollow steel pipe column, an outer pipe sleeved outside the steel pipe column and an inner pipe embedded in the steel pipe column; the outer side of the steel pipe column is connected with a plurality of outer shear nails; the inner side surface of the steel pipe column is connected with a plurality of inner shear nails; rubber concrete is poured between the outer pipe and the steel pipe column and between the inner pipe and the steel pipe column.
2. The composite pier according to claim 1, wherein the outer tube and the inner tube are glass fiber reinforced resin composite materials.
3. The composite pier according to claim 1, wherein a connecting steel plate is preset in the bearing platform, the bottom of the steel pipe column extends outwards to form a fixing plate, and the fixing plate is connected with the connecting steel plate through bolts; and the rubber concrete is poured in the bearing platform.
4. The composite bridge pier according to claim 3, wherein a plurality of stiffening ribs are provided between the outer side surface of the steel pipe column and the fixing plate.
5. The composite pier according to claim 1, wherein a plurality of energy dissipation bars are further disposed around the outer side of the steel pipe column, one end of each energy dissipation bar is connected to the outer side surface of the steel pipe column, and the other end of each energy dissipation bar is connected to the connecting steel plate of the bearing platform.
6. The composite pier according to claim 5, wherein one end of the energy consumption rod is connected with a steel block welded to the outer side surface of the steel pipe column through the steel block, and the other end is connected to the connecting steel plate.
7. The composite pier according to claim 5, further comprising a plurality of structural stirrups, the structural stirrups being provided on the energy dissipating bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132387.5U CN218911106U (en) | 2022-11-24 | 2022-11-24 | Combined bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132387.5U CN218911106U (en) | 2022-11-24 | 2022-11-24 | Combined bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218911106U true CN218911106U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223132387.5U Active CN218911106U (en) | 2022-11-24 | 2022-11-24 | Combined bridge pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218911106U (en) |
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2022
- 2022-11-24 CN CN202223132387.5U patent/CN218911106U/en active Active
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