CN221192949U - UHPC shell reinforced concrete bridge pier column of semi-assembled embedded section steel - Google Patents
UHPC shell reinforced concrete bridge pier column of semi-assembled embedded section steel Download PDFInfo
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- CN221192949U CN221192949U CN202323199660.0U CN202323199660U CN221192949U CN 221192949 U CN221192949 U CN 221192949U CN 202323199660 U CN202323199660 U CN 202323199660U CN 221192949 U CN221192949 U CN 221192949U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 51
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 37
- 239000011178 precast concrete Substances 0.000 claims abstract description 44
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The embodiment of the application discloses a UHPC shell reinforced concrete bridge pier column of a semi-assembled embedded steel, which comprises a foundation, a precast concrete shell component and a concrete filling layer, wherein in the preparation process, the foundation and the concrete filling layer can be constructed on site, the precast concrete shell component can be precast, after the precast concrete shell component is prefabricated, the precast concrete shell component can be transported to site, then the precast concrete shell component is connected with the foundation, and finally, concrete is poured in the precast concrete shell component to form the concrete filling layer.
Description
Technical Field
The embodiment of the application relates to the technical field of civil engineering construction, in particular to a UHPC shell reinforced concrete bridge pier column of semi-assembled embedded steel.
Background
The cast-in-place concrete construction is a construction method which is most common for concrete structures, and the construction method needs a large number of templates and temporary support frames, has large field work load, long construction period and large construction quality, is greatly influenced by construction technology, consumes a large amount of energy, can damage the surrounding environment, and is also influenced by factors such as construction space, seasonal climate, surrounding environment and the like in field construction. In recent years, the civil engineering field has developed precast concrete assembly technology, and an assembled concrete structure is formed, and the structure has the advantages of improving quality, shortening construction period, saving energy, reducing consumption, cleaning production and the like, but has the disadvantages that the manufacturing components are limited by manufacturing, transportation, hoisting and the like, and particularly, the precast concrete component connection technology becomes one of the key problems of a structural system. In some practical projects, a semi-fabricated concrete structure may be the best choice, i.e., a part of the components are precast concrete, a part of the components are cast-in-place concrete, or a part of the components are precast, and a part of the components are cast-in-place. With the successful development of building materials, an Ultra-high performance concrete (UHPC, ultra-High Performance Concrete) appears, and the new concrete material has the advantages of rapid early strength development, high later strength, good shock resistance, corrosion resistance, high impermeability and the like, but has the defects of higher manufacturing cost, and the construction is relatively difficult because the reinforcing steel bars are arranged in the concrete material to serve as stress bars.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.
In view of this, according to an embodiment of the present application, there is provided a UHPC-shell reinforced concrete bridge pier of a semi-fabricated embedded steel, comprising:
A foundation;
The precast concrete shell assembly comprises a shell and H-shaped steel, wherein the H-shaped steel is connected to the inner wall of the shell, and the shell is connected to the foundation;
and the concrete filling layer is filled in the precast concrete shell component.
In one possible embodiment, the housing is made of UHPC material.
In one possible embodiment, the housing is cylindrical or rectangular.
In one possible embodiment, the precast concrete housing assembly further comprises:
the shear connector is connected to one end of the H-shaped steel, which is away from the shell;
the embedded bolt is connected with the shell.
In one possible embodiment, the UHPC shell reinforced concrete bridge pier of the semi-fabricated embedded section steel further comprises:
The steel reinforcement framework is arranged in the shell, and the concrete filling layer wraps the steel reinforcement framework.
In one possible embodiment, the reinforcement cage includes:
Longitudinal ribs and stirrups connected to the longitudinal ribs.
In one possible embodiment, the UHPC shell reinforced concrete bridge pier of the semi-fabricated embedded section steel further comprises:
the shell is connected to the foundation through the connecting plate.
In one possible embodiment, the UHPC shell reinforced concrete bridge pier of the semi-fabricated embedded section steel further comprises:
and the shell is connected to the foundation through the fastening bolt and the connecting plate.
In one possible embodiment, the fastening bolts are embedded in the foundation.
In one possible embodiment, the H-section steel is a plurality of H-section steels, and the plurality of H-section steels are arranged at intervals.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
The UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded steel comprises a foundation, a precast concrete shell component and a concrete filling layer, wherein in the preparation process, the foundation and the concrete filling layer can be constructed on site, the precast concrete shell component can be precast, after the precast concrete shell component is prefabricated, the precast concrete shell component can be transported to site, then the precast concrete shell component is connected with the foundation, and finally, concrete is poured in the precast concrete shell component to form the concrete filling layer. The combined column has the advantages of high bearing capacity, good durability, high construction speed, shortened construction period, and material and financial resource conservation.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic step flow diagram of an embodiment of the present application in a state of a concrete filling layer not poured on a UHPC shell reinforced concrete bridge pier column of a semi-fabricated embedded section steel;
FIG. 2 is a schematic cross-sectional view of one example of FIG. 1 in the direction A-A;
FIG. 3 is a schematic cross-sectional view of another example of FIG. 1 in the direction A-A;
FIG. 4 is a schematic step flow diagram of a UHPC shell reinforced concrete bridge pier column of a semi-fabricated embedded steel section in accordance with one embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of one example of FIG. 4 taken along the A-A direction;
Fig. 6 is a schematic cross-sectional view of another example of fig. 4 in the direction A-A.
The correspondence between the reference numerals and the component names in fig. 1 is:
1 shell, 2H shaped steel, 3 pre-buried bolts, 4 longitudinal bars, 5 stirrups, 6 concrete filling layers, 7 shear connectors, 8 connecting plates, 9 foundations and 10 fastening bolts.
Detailed Description
In order to better understand the above technical solutions, the following detailed description of the technical solutions of the embodiments of the present application is made by using the accompanying drawings and the specific embodiments, and it should be understood that the specific features of the embodiments of the present application are detailed descriptions of the technical solutions of the embodiments of the present application, and not limit the technical solutions of the present application, and the technical features of the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 1 to 6, according to an embodiment of the present application, there is provided a UHPC-shell reinforced concrete bridge pier of a semi-fabricated embedded steel, comprising: a foundation 9; a precast concrete shell assembly, wherein the precast concrete shell assembly comprises a shell 1 and H-shaped steel 2, the H-shaped steel 2 is connected to the inner wall of the shell 1, and the shell 1 is connected to the foundation 9; a concrete filling layer 6, wherein the concrete filling layer 6 is filled in the precast concrete housing assembly.
The UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded steel comprises a foundation 9, a precast concrete shell component and a concrete filling layer 6, wherein in the preparation process, the foundation 9 and the concrete filling layer 6 can be constructed on site, the precast concrete shell component can be precast, after the precast concrete shell component is prefabricated, the precast concrete shell component can be transported to site, then the precast concrete shell component is connected with the foundation 9, and finally, concrete is poured in the precast concrete shell component to form the concrete filling layer 6, and on the basis of the UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded steel provided by the embodiment of the application, the on-site construction and the precast construction are combined, so that the lateral rigidity and stability of the concrete pier column can be improved, the shearing resistance, the bending resistance and the compression resistance of the combined column are improved, and the problem of difficult casting concrete formwork in some complex areas is solved. The combined column has the advantages of high bearing capacity, good durability, high construction speed, shortened construction period, and material and financial resource conservation.
In a possible embodiment, the housing 1 is made of UHPC material.
In the technical scheme, the materials of the shell 1 are further provided, the shell 1 can be made of UHPC materials, and based on the UHPC shell reinforced concrete bridge pier of the semi-assembled embedded steel provided by the embodiment of the application, the reinforced concrete bridge pier can be used as an auxiliary structure according to the material characteristics of the UHPC, so that a plurality of difficulties in concrete construction can be solved, and the best return can be obtained. According to the UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded steel provided by the embodiment of the application, the UHPC shell 1 and NC (common concrete) combined column can be realized, the lateral rigidity and stability of the UHPC shell are improved by utilizing the H-shaped steel 2, and the shearing resistance, bending resistance and compression resistance of the combined column are improved. Meanwhile, the novel combined column uses the UHPC shell as a disposable template, and solves the problem of difficult cast-in-place concrete support templates in some complex areas. The combined column has the advantages of high bearing capacity, good durability, high construction speed, shortened construction period, and material and financial resource conservation.
It is understood that UHPC material refers to Ultra high performance concrete (UHPC, ultra-High Performance Concrete).
As shown in fig. 2, 3, 5 and 6, in one possible embodiment, the housing 1 is cylindrical or rectangular. The UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded section steel can be suitable for different use scenes, and the application range of the UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded section steel can be increased.
As shown in fig. 1 to 3, in one possible embodiment, the precast concrete housing assembly further includes: a shear connector 7, wherein the shear connector 7 is connected to one end of the H-shaped steel 2, which is away from the shell 1; and the embedded bolt 3 is connected with the shell 1. The UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded section steel can be further improved in strength by the arrangement, so that poured concrete can be better contacted and connected with the precast concrete shell component.
In one possible embodiment, the UHPC shell reinforced concrete bridge pier of the semi-fabricated embedded section steel further comprises: the steel reinforcement framework is arranged in the shell 1, and the concrete filling layer 6 wraps the steel reinforcement framework. The strength of the concrete filling layer 6 can be further improved by the arrangement, and the strength of the UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded section steel is further improved.
It is understood that an accommodating space is formed in the precast concrete shell assembly to accommodate the steel reinforcement cage, and the steel reinforcement cage avoids the H-shaped steel 2.
In one possible embodiment, the reinforcement cage includes: longitudinal bars 4 and stirrups 5 connected to said longitudinal bars 4. The strength of the concrete filling layer 6 can be further improved by the arrangement, and the strength of the UHPC shell reinforced concrete bridge pier column of the semi-assembled embedded section steel is further improved.
In one possible embodiment, the UHPC shell reinforced concrete bridge pier of the semi-fabricated embedded section steel further comprises: a connection plate 8, through which connection plate 8 the housing 1 is connected to the foundation 9. This arrangement facilitates the establishment of a connection between the foundation 9 and the precast concrete deck assembly.
In one possible embodiment, the UHPC shell reinforced concrete bridge pier of the semi-fabricated embedded section steel further comprises: a fastening bolt 10, the housing 1 is connected to the foundation 9 by means of the fastening bolt 10 and the connecting plate 8. The arrangement makes the connection between the foundation 9 and the precast concrete shell assembly more stable and reliable.
In a possible embodiment, the fastening bolts 10 are embedded in the foundation 9. Through the pre-buried setting of fastening bolt 10, be convenient for fix a position precast concrete shell subassembly, make the relation of connection between basis 9 and the precast concrete shell subassembly firm more, reliable simultaneously
In one possible embodiment, the H-shaped steel 2 is a plurality of H-shaped steel 2, and the plurality of H-shaped steel 2 are arranged at intervals. The lateral rigidity and stability of the precast concrete shell assembly can be better guaranteed through the arrangement.
The UHPC shell reinforced concrete bridge pier column construction process of the semi-assembled embedded section steel provided by the embodiment of the application can comprise the following steps:
(1) Preparing built-in H-shaped steel 2: and manufacturing the H-shaped steel 2 according to design requirements, and welding a shear connector 7 on the flange of the H-shaped steel 2. Or reserving a bolt hole on the H-shaped steel 2;
(2) Casing 1 of precast concrete enclosure assembly: in different places or factories, manufacturing templates according to the design size requirement of pier columns, supporting the templates, connecting H-shaped steel 2 with shear connectors 7 with the templates, pouring high-strength concrete, and forming a shell 1 made of UHPC material with the H-shaped steel 2; or embedding the embedded bolts 3 in the UHPC material shell 1 according to a certain distance to form a precast concrete shell assembly;
(3) Binding a reinforcement cage: binding a reinforcement cage (longitudinal bars 4 and stirrups 5) in the combined column according to design requirements;
(4) And hoisting the precast concrete shell assembly with the H-shaped steel 2 to a construction site, connecting and fixing the precast concrete shell assembly with a foundation 9, hoisting the manufactured steel reinforcement framework (the longitudinal ribs 4 and the stirrups 5) into the precast concrete shell assembly, and pouring a concrete filling layer 6 in the precast concrete shell assembly to form the UHPC shell reinforced concrete bridge pier of the semi-assembled embedded steel.
In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined 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 connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. 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 description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is used merely for convenience in describing the utility model and for simplicity of description, and does not indicate or imply that the devices or units referred to must have a particular orientation, be constructed and operated in a particular direction, and thus should not be construed as limiting the utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. UHPC shell reinforced concrete bridge pier column of semi-assembled embedded shaped steel, characterized by comprising:
A foundation;
The precast concrete shell assembly comprises a shell and H-shaped steel, wherein the H-shaped steel is connected to the inner wall of the shell, and the shell is connected to the foundation;
and the concrete filling layer is filled in the precast concrete shell component.
2. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated embedded steel section according to claim 1, wherein,
The housing is made of UHPC material.
3. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated embedded steel section according to claim 1, wherein,
The shell is cylindrical or cuboid.
4. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated in-line section steel of claim 1, wherein the precast concrete outer shell assembly further comprises:
the shear connector is connected to one end of the H-shaped steel, which is away from the shell;
the embedded bolt is connected with the shell.
5. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated in-line section steel of claim 1, further comprising:
The steel reinforcement framework is arranged in the shell, and the concrete filling layer wraps the steel reinforcement framework.
6. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated in-line section steel of claim 5, wherein the reinforcement cage comprises:
Longitudinal ribs and stirrups connected to the longitudinal ribs.
7. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated in-line section steel of claim 1, further comprising:
the shell is connected to the foundation through the connecting plate.
8. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated in-line section steel of claim 7, further comprising:
and the shell is connected to the foundation through the fastening bolt and the connecting plate.
9. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated embedded steel section as claimed in claim 8, wherein,
The fastening bolt is pre-buried in the foundation.
10. The UHPC shell reinforced concrete bridge pier column of the semi-fabricated embedded steel section according to claim 1, wherein,
The H-shaped steel is a plurality of, and a plurality of H-shaped steels are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323199660.0U CN221192949U (en) | 2023-11-27 | 2023-11-27 | UHPC shell reinforced concrete bridge pier column of semi-assembled embedded section steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323199660.0U CN221192949U (en) | 2023-11-27 | 2023-11-27 | UHPC shell reinforced concrete bridge pier column of semi-assembled embedded section steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221192949U true CN221192949U (en) | 2024-06-21 |
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ID=91495585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323199660.0U Active CN221192949U (en) | 2023-11-27 | 2023-11-27 | UHPC shell reinforced concrete bridge pier column of semi-assembled embedded section steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221192949U (en) |
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- 2023-11-27 CN CN202323199660.0U patent/CN221192949U/en active Active
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