CN217630848U - Prefabricated steel pipe joint concrete column component - Google Patents
Prefabricated steel pipe joint concrete column component Download PDFInfo
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- CN217630848U CN217630848U CN202221551623.4U CN202221551623U CN217630848U CN 217630848 U CN217630848 U CN 217630848U CN 202221551623 U CN202221551623 U CN 202221551623U CN 217630848 U CN217630848 U CN 217630848U
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Abstract
The utility model relates to a prefabricated steel pipe joint concrete column component, including first interpolation steel pipe, short H shaped steel girder steel, precast concrete component and second interpolation steel pipe, precast concrete component is including indulging muscle, stirrup and precast concrete, indulges the first interpolation steel pipe of muscle both ends difference fixed connection and second interpolation steel pipe, and the middle part fixed connection of short H shaped steel girder steel and first interpolation steel pipe, the upper and lower both ends department of short H shaped steel girder steel is equipped with the dowel, and the surface of first interpolation steel pipe and second interpolation steel pipe is equipped with the dowel respectively. The prefabricated steel pipe joint concrete column member has the advantages of simplifying the structure, facilitating the connection, reducing cost, improving efficiency, prolonging the service life and the like.
Description
Technical Field
The utility model relates to a precast concrete post technical field, especially a precast steel pipe joint concrete column component.
Background
At present, beam-column joints of traditional assembly type reinforced concrete structures are often connected by a wet method, and reinforcing steel bars in joint areas are complex and dense, so that concrete pouring is difficult, and construction quality is difficult to guarantee; meanwhile, the column-column connection is usually connected by a grouting sleeve, and as a hidden project, the problems of difficult alignment, difficult detection of grouting compactness and the like exist. These problems delay the construction period of the fabricated concrete structure to various degrees, increasing the overall cost. The fabricated steel structural material has high manufacturing cost, huge workload of anticorrosion and fireproof treatment after installation and higher maintenance cost.
The assembled combined frame structure comprises a prefabricated column component, a prefabricated prestressed beam component, cast-in-place concrete in the prefabricated column hollow steel tube, a laminated floor slab prefabricated bottom plate and laminated surface layer concrete, wherein the interior of the prefabricated column component is a hollow steel tube; the prefabricated steel pipe combined column also has the problem of limited application range, the vertical member in the existing building structure mostly adopts a rectangular column, and the rectangular steel pipe concrete has more complex stress, complex construction requirements and poor economic benefit; meanwhile, when the composite material is applied to a multilayer structure, the bearing capacity and the anti-seismic performance of the composite material are wasted, so that the whole construction cost of a project is improved, and the large-scale popularization of the composite material in the actual project is limited.
We have therefore developed a prefabricated steel pipe joint concrete column element to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing a prefabricated steel pipe joint concrete column component, having the simplified structure, convenient connection, cost reduction increases, improves advantages such as life.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a prefabricated steel pipe joint concrete column component, includes a first interior steel pipe, a short H shaped steel girder steel, a precast concrete component and a second interior steel pipe, precast concrete component is including indulging muscle, stirrup and precast concrete, indulge the top of muscle with first interior steel pipe welded connection, indulge the bottom of muscle with second interior steel pipe welded connection, short H shaped steel girder steel with the middle part fixed connection of first interior steel pipe, the upper and lower both ends department of short H shaped steel girder steel is equipped with the multirow dowel, the bottom of first interior steel pipe with the top of second interior steel pipe is equipped with the multirow respectively the dowel.
Preferably, the precast concrete member has a cylindrical structure or a rectangular pillar structure.
Preferably, the short H-shaped steel beam is sequentially provided with an upper flange plate, a web plate and a lower flange plate from top to bottom, and the top end of the upper flange plate and the bottom end of the lower flange plate are respectively provided with the stud.
Preferably, the lower flange plate is provided with a first pouring hole, and the first pouring hole is formed in the cavity of the first inserted steel pipe.
Preferably, the cavity of the first inner inserted steel pipe is fixedly connected with a horizontal inner isolation stiffening plate, and a second pouring hole is formed in the center of the inner isolation stiffening plate.
Preferably, the stirrup comprises a first square stirrup, a first rectangular stirrup and a second rectangular stirrup, the first rectangular stirrup and the second rectangular stirrup are perpendicular to each other, the four corners of the first square stirrup and the four corners of the second rectangular stirrup are respectively provided with a longitudinal bar, and the longitudinal bars are uniformly distributed around the first square stirrup.
Preferably, the stirrup includes circular stirrup, the square stirrup of second and crotch stirrup, circular stirrup with the crossing setting of the square stirrup of second, the crotch stirrup sets up perpendicularly to both ends department respectively is equipped with one indulge the muscle, circular stirrup circumference equipartition indulge the muscle.
Preferably, first connecting plates are arranged on two sides of the top end of the first inserted steel pipe.
Preferably, the two sides of the top end of the second inserted steel pipe are provided with second connecting plates.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the prefabricated steel pipe joint concrete column component of the utility model adopts the form that the steel pipe joint is inserted into the prefabricated concrete column, and has simple structure, convenient connection, economy, high efficiency, wide applicable scene and longer service life; on the premise of achieving the dry connection of the beam column, steel pipes are only adopted at two ends of the prefabricated column, so that the component cost is reduced, and the production cost and the maintenance difficulty are reduced; the original prefabricated steel pipe combined column is waste in bearing capacity and high in production cost in actual engineering, and the existing structure meets the requirement that the prefabricated steel pipe combined column is normally installed as a vertical component in an assembled prestress combined structure.
Drawings
Figure 1 is the structure schematic diagram of the prefabricated steel pipe joint concrete column member with rectangular section of the utility model.
Fig. 2 is a schematic sectional view of the position I-I in fig. 1 of the present invention.
Fig. 3 isbase:Sub>A schematic sectional view ofbase:Sub>A-base:Sub>A in fig. 2 of the present invention.
Fig. 4 is a schematic sectional structure diagram at B-B in fig. 2 of the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of the C-C in fig. 2 of the present invention.
Figure 6 is the structure schematic diagram of the prefabricated steel pipe joint concrete column member with a circular section of the utility model.
Fig. 7 isbase:Sub>A schematic sectional view ofbase:Sub>A-base:Sub>A in fig. 6 according to the present invention.
Fig. 8 is a schematic sectional view of the position B-B in fig. 6 according to the present invention.
Fig. 9 is a schematic cross-sectional structure view of the position C-C in fig. 6 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
In the attached drawings 1 to 5, a prefabricated steel pipe joint concrete column member comprises a first inserted steel pipe 2, a short H-shaped steel beam 4, a prefabricated concrete member 1 and a second inserted steel pipe 3, wherein the prefabricated concrete member 1 is of a rectangular upright column structure.
Precast concrete component 1 includes a plurality of muscle 11, multilayer stirrup 12 and precast concrete 13 of indulging, indulges the top welding of muscle 11 and inserts the bottom outer wall of steel pipe 2 in first, indulges the bottom welding of muscle 11 and inserts the top outer wall of steel pipe 3 in the second, and short H shaped steel girder 4 and the middle part fixed connection of first interpolation steel pipe 2, and short H shaped steel girder 4 top-down is equipped with upper flange board 41, web 42 and lower flange board 43 in proper order. The upper end and the lower end of the short H-shaped steel beam 4 are provided with a plurality of rows of studs 5. And air holes are formed in the wall of the hollow steel pipe and used for pouring concrete in the steel pipe, and the positions of the holes are 1/3 of the positions below the top heights of the corbels.
For the convenience of hoisting, first connecting plates 21 are arranged at two sides of the top end of the first inner inserting steel pipe 2. The cavity of the first inner inserting steel tube 2 is fixedly connected with a horizontal inner isolating stiffening plate 6, and a second pouring hole 61 is formed in the center of the inner isolating stiffening plate 6. The outer wall of the first inserted steel pipe 2 is provided with a plurality of rows of studs 5, which is convenient for the bonding of the concrete and the first inserted steel pipe 2. The upper flange plate 41 is directly welded on the outer wall of the first inner inserting steel pipe 2, the inner partition stiffening plate 6 with a concrete pouring hole is welded at the same position of the inner wall of the first inner inserting steel pipe 2, and the lower flange plate 43 adopts a through type partition plate with a concrete pouring hole; and the short H-shaped bracket at the column end is connected with the beam-end section steel joint in a bolted welding manner to form a dry-type connecting node.
And second connecting plates 31 are arranged at two sides of the top end of the second inserted steel pipe 3. The outer wall of the second inserted steel pipe 3 is provided with a plurality of rows of studs 5.
The top end of the upper flange plate 41 and the bottom end of the lower flange plate 43 are respectively provided with a bolt 5. The lower flange plate 43 is provided with a first casting hole 431. The first casting hole 431 is provided in the cavity of the first steel insert pipe 2.
The longitudinal stress steel bar of the precast concrete member 1 is welded to the outer surface of the hollow steel tube inserted in the two ends, and the stirrup 12 with the same size as the precast concrete section is arranged to enclose the longitudinal reinforcement 11, and the stirrup 12 comprises a first square stirrup 124, a first rectangular stirrup 125 and a second rectangular stirrup 126. First rectangle stirrup 125 sets up with second rectangle stirrup 126 is perpendicular, and the four corners department of first rectangle stirrup 124, first rectangle stirrup 125 and second rectangle stirrup 126 respectively is equipped with one and indulges muscle 11, indulges muscle 11 and sets up in the inside of stirrup 12, and first rectangle stirrup 125 is the same with second rectangle stirrup 126's structure and size. Longitudinal ribs 11 are uniformly distributed around the first square stirrup 124. The longitudinal bars 11 and the stirrups 12 form a reinforcement cage. And concrete is poured into the reinforcement cage through the second pouring hole 61 and the first pouring hole 431.
The manufacturing process of the prefabricated steel pipe joint concrete column member in a prefabricated member factory is as follows: the first inserted steel pipe 2 and the second inserted steel pipe 3 are manufactured firstly, the rectangular welded pipe is used as an inserted hollow steel pipe, a plurality of rows of studs 5 are welded on the outer surface of the rectangular welded pipe, and bonding with concrete is enhanced, wherein the length of the inserted steel pipe inserted into the precast concrete member 1 needs to meet the anchoring length required by design, and the anchoring length is more than 2m, preferably 2.4m. Subsequently, welding the longitudinal ribs 11 to the outer walls of the first inserted steel pipe 2 and the second inserted steel pipe 3, and binding the stirrups 12; and placing the assembled component into a prefabricated mold, pouring concrete, demolding after the maintenance is finished, and conveying to a component storage site.
The prefabricated steel pipe joint concrete column member is installed on site as follows: after the lower-layer structure is installed, the hoisting machinery vertically hoists the prefabricated column component and installs the prefabricated column component to the specified axis position, after the vertical correction is completed, the second inserted steel pipe 3 is welded with the upper end steel pipe of the lower-layer prefabricated column, and the first inserted steel pipe 2 and the second inserted steel pipe 3 are internally poured with the concrete grouting material with the same model as the prefabricated concrete.
Example 2
In fig. 6 to fig. 9, the difference from embodiment 1 is that the precast concrete unit 1 has a cylindrical structure, the stirrup 12 includes a circular stirrup 121, a second square stirrup 122 and a hook stirrup 123, the inserted steel pipe adopts a seamless circular pipe, the circular stirrup 121 intersects with the second square stirrup 122, the hook stirrup 123 is vertically arranged, and each hook at both ends is provided with a longitudinal rib 11, and the longitudinal ribs 11 are uniformly distributed on the circumference of the inner wall of the circular stirrup 121.
The above is only a specific application example of the present invention, and does not set any limit to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated steel coupling concrete column component which characterized in that: including a first interior steel pipe (2), a short H shaped steel girder (4), a precast concrete component (1) and a second interior steel pipe (3), precast concrete component (1) is including indulging muscle (11), stirrup (12) and precast concrete (13), indulge the top of muscle (11) with first interior steel pipe (2) welded connection, indulge the bottom of muscle (11) with second interior steel pipe (3) welded connection, short H shaped steel girder (4) with the middle part fixed connection of first interior steel pipe (2), the upper and lower both ends department of short H shaped steel girder (4) is equipped with multirow dowel (5), the surface of first interior steel pipe (2) with the surface of second interior steel pipe (3) is equipped with the multirow respectively dowel (5).
2. The prefabricated steel pipe joint concrete column element according to claim 1, characterized in that said prefabricated concrete element (1) is of cylindrical or rectangular column structure.
3. The prefabricated steel pipe joint concrete column component according to claim 1, wherein the short H-shaped steel beam (4) is provided with an upper flange plate (41), a web plate (42) and a lower flange plate (43) from top to bottom in sequence, and the top end of the upper flange plate (41) and the bottom end of the lower flange plate (43) are respectively provided with the stud (5).
4. The prefabricated steel pipe joint concrete column element according to claim 3, characterized in that said lower flange plate (43) is provided with a first casting hole (431), said first casting hole (431) being provided in the cavity of said first inner inserted steel pipe (2).
5. The prefabricated steel pipe joint concrete column member according to claim 3, wherein a horizontal inner partition stiffening plate (6) is fixedly connected to the cavity of the first inner inserting steel pipe (2), and a second pouring hole (61) is formed in the center of the inner partition stiffening plate (6).
6. The prefabricated steel pipe joint concrete column member according to claim 2, wherein the stirrups (12) comprise a first square stirrup (124), a first rectangular stirrup (125) and a second rectangular stirrup (126), the first rectangular stirrup (125) and the second rectangular stirrup (126) are vertically arranged, four corners of the first square stirrup (124), the first rectangular stirrup (125) and the second rectangular stirrup (126) are respectively provided with a longitudinal rib (11), and the longitudinal ribs (11) are uniformly distributed around the first square stirrup (124).
7. The prefabricated steel pipe joint concrete column member according to claim 2, wherein the stirrups (12) comprise a circular stirrup (121), a second square stirrup (122) and a hook stirrup (123), the circular stirrup (121) and the second square stirrup (122) are arranged in a crossing manner, the hook stirrup (123) is arranged vertically, two longitudinal ribs (11) are arranged at two ends of the hook stirrup, and the longitudinal ribs (11) are uniformly distributed on the circumference of the circular stirrup (121).
8. The prefabricated steel pipe joint concrete column element according to claim 1, characterized in that first connection plates (21) are provided at both sides of the top end of said first inner inserted steel pipe (2).
9. The prefabricated steel pipe joint concrete column element according to claim 8, characterized in that second connection plates (31) are provided at both sides of the top end of said second inner inserted steel pipe (3).
10. The prefabricated steel pipe joint concrete column element according to claim 6, wherein said first rectangular stirrup (125) is identical in structure and dimensions to said second rectangular stirrup (126).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551623.4U CN217630848U (en) | 2022-06-21 | 2022-06-21 | Prefabricated steel pipe joint concrete column component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551623.4U CN217630848U (en) | 2022-06-21 | 2022-06-21 | Prefabricated steel pipe joint concrete column component |
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| CN217630848U true CN217630848U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221551623.4U Active CN217630848U (en) | 2022-06-21 | 2022-06-21 | Prefabricated steel pipe joint concrete column component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045440A (en) * | 2022-06-21 | 2022-09-13 | 苏州思萃融合基建技术研究所有限公司 | Prefabricated column member of steel pipe joints at both ends and construction method thereof |
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2022
- 2022-06-21 CN CN202221551623.4U patent/CN217630848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045440A (en) * | 2022-06-21 | 2022-09-13 | 苏州思萃融合基建技术研究所有限公司 | Prefabricated column member of steel pipe joints at both ends and construction method thereof |
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