CN217128501U - Assembled underground structure steel-pipe column and end longeron connected node - Google Patents
Assembled underground structure steel-pipe column and end longeron connected node Download PDFInfo
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- CN217128501U CN217128501U CN202220748293.1U CN202220748293U CN217128501U CN 217128501 U CN217128501 U CN 217128501U CN 202220748293 U CN202220748293 U CN 202220748293U CN 217128501 U CN217128501 U CN 217128501U
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Abstract
The utility model belongs to assembled underground structure field especially relates to an assembled underground structure steel-pipe column and end longeron connected node, include: the bottom end of the steel pipe column is provided with a connecting flange; the prefabricated bottom longitudinal beam is internally embedded with an embedded steel plate and an embedded connecting piece, and the steel pipe column is connected with the prefabricated bottom longitudinal beam through a connecting flange, the embedded steel plate and the embedded connecting piece. The utility model provides an assembled underground structure steel-pipe column and end longeron connected node are prefabricated component and post-cast concrete combination type, make simply, on-the-spot simple to operate to construction method is simple, and is high with the matching degree of current method, and the equipment that uses in the work progress is all general, need not to add other equipment, and construction cost is low.
Description
Technical Field
The utility model belongs to assembled underground structure field especially relates to an assembled underground structure steel-pipe column and end longeron connected node.
Background
The fabricated concrete building is the most important mode for building industrialization, and has the advantages of improving quality, shortening construction period, saving energy, reducing consumption, realizing clean production and the like. With the rapid development of economy in China, prefabricated structures are more and more widely applied to underground engineering.
The beam column node is an important part in the underground structure and has important influence on the structure safety. The beam column node plays the effect of transmission and distribution internal force, assurance structural integrity in the structure, and the research of current node is opened to cast-in-place structure more, and the research result can not satisfy the needs of assembled structure development well.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome not enough and the defect mentioned in the above background art, provide an assembled underground structure steel-pipe column and end longeron connected node that stability is good, simple structure. The utility model discloses a solve the technical scheme who takes of this problem and be:
the utility model provides an assembled underground structure steel-pipe column and end longeron connected node, includes:
the bottom end of the steel pipe column is provided with a connecting flange;
the prefabricated bottom longitudinal beam is internally embedded with an embedded steel plate and an embedded connecting piece, and the steel pipe column is connected with the prefabricated bottom longitudinal beam through a connecting flange, the embedded steel plate and the embedded connecting piece.
Preferably, the prefabricated bottom longitudinal beam comprises a beam body and an assembly groove formed in the beam body, and the embedded steel plate is located at the bottom of the assembly groove.
Further preferably, the cross section of the embedded steel plate is matched with the cross section of the bottom of the assembling groove.
Further preferably, the embedded steel plate comprises a steel plate, a fixing bolt and a steel plate bolt hole.
Further preferably, the number of the fixing bolts is multiple, and the fixing bolts are integrally fixed at the bottom end of the steel plate and poured in the prefabricated bottom longitudinal beam.
Further preferably, the embedded connecting piece comprises a plurality of embedded bolts embedded in the beam body, and the embedded bolts penetrate through the steel plate bolt holes in a one-to-one correspondence mode.
Further preferably, the embedded bolt is provided with a cushion block for supporting the steel plate at the bottom and an upper nut for fixedly connecting the flange at the top, and the embedded bolt is connected with the embedded steel plate in a welding mode.
Further preferably, the number of the steel plate bolt holes is the same as that of the embedded bolts, the steel plate bolt holes are arranged on the periphery of the steel plate in a surrounding mode, and the embedded bolts and the fixing bolts are arranged in a staggered mode.
Preferably, the connecting flange is a steel flange, the steel flange comprises an upper plate, a lower plate and a rib plate connected between the upper plate and the lower plate, and the upper plate and the lower plate are correspondingly provided with flange bolt holes for the embedded bolts to penetrate through one by one.
It is further preferred that the lower plate has a dimension slightly larger than that of the upper plate, and that the ribs are radially welded between the upper and lower plates.
Preferably, cast-in-place concrete is poured among the assembly groove, the steel flange, the embedded steel plate and the embedded bolt node.
The utility model has the advantages and positive effects that:
1. the utility model provides an assembled underground structure steel-pipe column and end longeron connected node are prefabricated component and post-cast concrete combination pattern, make simply on-the-spot simple to operate.
2. The utility model discloses a construction method is simple, and is high with the matching degree of current method, and the equipment that uses in the work progress is all general, need not to add other equipment, and construction cost is low.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and therefore should not be considered as limiting the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection structure between the steel pipe column and the steel flange of the present invention.
Fig. 3 is a schematic structural view of the prefabricated bottom longitudinal beam of the present invention.
Fig. 4 is a schematic structural diagram of the embedded steel plate of the present invention.
Illustration of the drawings:
1. steel pipe columns; 2. prefabricating a bottom longitudinal beam; 21. a beam body; 22. embedding bolts; 221. cushion blocks; 222. an upper nut; 3. casting concrete in situ; 4. a steel flange; 41. an upper plate; 42. a lower plate; 43. a rib plate; 44. bolt holes; 5. pre-burying a steel plate; 51. a steel plate; 52. a fixing bolt; 53. bolt holes.
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations. The present invention will be described in detail with reference to the accompanying drawings.
Example 1:
a connection node of an assembled underground structure steel pipe column and a bottom longitudinal beam comprises a steel pipe column 1, a prefabricated bottom longitudinal beam 2 and cast-in-place concrete 3;
wherein: the bottom end of the steel pipe column 1 is provided with a connecting flange, and a welding connecting mode can be adopted but not limited; the prefabricated bottom longitudinal beam 2 is internally embedded with an embedded steel plate 5 and an embedded connecting piece, and the steel pipe column 1 is connected with the prefabricated bottom longitudinal beam 2 through a connecting flange, the embedded steel plate 5 and the embedded connecting piece.
In this embodiment, as shown in fig. 1 to 4, the construction method of the connection node between the assembled underground structural steel pipe column and the bottom longitudinal beam is as follows: firstly, hoisting a prefabricated bottom longitudinal beam 2 comprising a structural bottom plate and an embedded steel plate 5 and an embedded connecting piece; and welding the steel pipe column 1 and the connecting flange, hoisting the steel pipe column 1 to enable the connecting flange to be aligned with the bolt hole 53 of the embedded steel plate 5, connecting the steel pipe column and the embedded steel plate through the embedded connecting piece, and finally pouring the cast-in-place concrete 3. The steel pipe column 1, the prefabricated bottom longitudinal beam 2 and other structures are prefabricated components, and through the connection mode, the connection node of the assembled underground structure steel pipe column and the bottom longitudinal beam is used as a prefabricated component and post-cast concrete combination type, so that the assembled underground structure steel pipe column and the bottom longitudinal beam are simple to manufacture, convenient to install on site, simple in construction method, high in matching degree with the existing method, universal in equipment used in the construction process, free of adding other equipment, and low in construction cost.
Furthermore, it can be considered in this embodiment that the prefabricated bottom longitudinal beam 2 includes a beam body 21, and an assembly groove provided on the beam body 21, and the assembly groove is used for assembling structures such as a connection flange, an embedded steel plate 5, and an embedded connection member, where: the embedded steel plate 5 is positioned at the bottom of the assembly groove, and the shape of the cross section of the embedded steel plate 5 can be designed to be matched with the shape of the cross section of the bottom of the assembly groove for improving the matching degree, so that the embedded steel plate is more convenient to install on site.
Further, it is also considered in this embodiment that, as shown in fig. 4, the embedded steel plate 5 includes a steel plate 51, a fixing bolt 52 and a steel plate bolt hole 53.
Furthermore, it can be considered in this embodiment that the number of the fixing bolts 52 is plural, taking this embodiment as an example, the number of the fixing bolts 52 is eight, the fixing bolts 52 are integrally fixed at the bottom end of the steel plate 51, and are circumferentially arranged on the bottom circumference of the steel plate 51, and are poured into the prefabricated bottom longitudinal beam 2, so as to improve the stability of the connection between the embedded steel plate 5 and the prefabricated bottom longitudinal beam 2.
Furthermore, it can be considered in this embodiment that, as shown in fig. 1, the embedded connector includes a plurality of embedded bolts 22 embedded in the beam body 21, taking this embodiment as an example, the number of the embedded bolts 22 and the number of the steel plate bolt holes 53 are four, and the embedded bolts 22 pass through the steel plate bolt holes 53 in a one-to-one correspondence manner.
Furthermore, it can be considered in this embodiment that the embedded bolt 22 is provided with a cushion block 221 and an upper nut 222, during assembly, the steel flange 4 and the steel plate 51 are located between the cushion block 221 and the upper nut 222, the cushion block 221 is located at the bottom of the steel plate 51 and used for supporting the steel plate 51 at the bottom, the upper nut 222 is located at the upper portion of the steel flange 4 and used for fixing the steel flange 4 at the top, and the embedded bolt 22 and the embedded steel plate 5 are connected by welding, so as to realize the stable connection between the steel pipe column 1 and the prefabricated bottom longitudinal beam 2.
Furthermore, it can be considered in this embodiment that the number of the steel plate bolt holes 53 is the same as the number of the embedded bolts 22, the steel plate bolt holes 53 are circumferentially arranged on the periphery of the steel plate 51, and the embedded bolts 22 and the fixing bolts 52 are arranged in a staggered manner, so as to improve the connection stability.
Furthermore, it is also considered in this embodiment that the connecting flange is a steel flange 4, the steel flange 4 includes an upper plate 41, a lower plate 42 and a rib plate 43 connected therebetween, the upper plate 41 and the lower plate 42 are correspondingly provided with flange bolt holes 44 through which the embedded bolts 22 correspondingly pass, and the flange bolt holes 44 of the steel flange 4 are aligned with the bolt holes 53 of the embedded steel plate 5 during assembly.
Furthermore, it can be considered in this embodiment that the size of the lower plate 42 is slightly larger than that of the upper plate 41, the structural design with the larger bottom and the smaller top contributes to the stability, and the rib 43 is welded between the upper plate 41 and the lower plate 42 in a radial manner, so that the flange structure not only can meet the rigidity requirement, but also can meet the weight requirement, and is stable but not heavy.
Furthermore, it can be considered in this embodiment that after the connection of the nodes is completed, cast-in-place concrete 3 is poured between the assembly groove and the steel flange 4, the embedded steel plate 5, and the embedded bolt 22, and the connection node is a combination type of a prefabricated part and the cast-in-place concrete, so that the manufacturing is simple, and the field installation is convenient.
Example 2:
a construction method for a connection node of an assembled underground structural steel pipe column and a bottom longitudinal beam comprises the following steps:
s1: hoisting a prefabricated bottom longitudinal beam 2 comprising an embedded steel plate 5 and an embedded bolt 22;
s2: welding the steel pipe column 1 and the steel flange 4;
s3: hoisting the steel pipe column 1 to align the bolt holes 44 of the lower plate 42 with the bolt holes 53 of the embedded steel plates 5, and sleeving the embedded bolts 22;
s4: screwing up the upper nuts 222 of the embedded bolts 22 to realize the node connection between the steel pipe column 1 and the prefabricated bottom longitudinal beam 2;
s5: and pouring the cast-in-place concrete 3 to finish the combined type assembly of the prefabricated part and the post-cast concrete.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides an assembled underground structure steel-pipe column and end longeron connected node which characterized in that: the method comprises the following steps:
the bottom end of the steel pipe column (1) is provided with a connecting flange;
the prefabricated bottom longitudinal beam (2) is internally pre-embedded with an embedded steel plate (5) and an embedded connecting piece, and the steel pipe column (1) is connected with the prefabricated bottom longitudinal beam (2) through a connecting flange, the embedded steel plate (5) and the embedded connecting piece.
2. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 1, which is characterized in that: the prefabricated bottom longitudinal beam (2) comprises a beam body (21) and an assembly groove formed in the beam body (21), and the embedded steel plate (5) is located at the bottom of the assembly groove.
3. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 2, characterized in that: the embedded steel plate (5) comprises a steel plate (51), a fixing bolt (52) and a steel plate bolt hole (53).
4. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 3, wherein: the number of the fixing bolts (52) is multiple, and the fixing bolts (52) are integrally fixed at the bottom end of the steel plate (51) and poured into the prefabricated bottom longitudinal beam (2).
5. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 4, wherein: the embedded connecting piece comprises a plurality of embedded bolts (22) embedded in the beam body (21), and the embedded bolts (22) penetrate through the steel plate bolt holes (53) in a one-to-one correspondence mode.
6. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 5, wherein: the embedded bolts (22) are provided with cushion blocks (221) used for supporting the steel plate (51) at the bottom and upper nuts (222) used for fixedly connecting the flanges at the top, and the embedded bolts (22) are connected with the embedded steel plate (5) in a welding mode.
7. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 6, wherein: the steel plate bolt holes (53) are arranged on the periphery of the steel plate (51) in a surrounding mode, and the embedded bolts (22) and the fixing bolts (52) are arranged in a staggered mode.
8. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node as claimed in any one of claims 5 to 7, wherein: the connecting flange is a steel flange (4), the steel flange (4) comprises an upper plate (41), a lower plate (42) and a rib plate (43) connected between the upper plate and the lower plate, and flange bolt holes (44) for the embedded bolts (22) to penetrate through are correspondingly formed in the upper plate (41) and the lower plate (42).
9. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 8, wherein: the lower plate (42) has a size slightly larger than that of the upper plate (41), and the rib (43) is welded between the upper plate (41) and the lower plate (42) in a radial manner.
10. The fabricated underground structural steel pipe column and bottom longitudinal beam connecting node according to claim 9, wherein: cast-in-place concrete (3) is poured among the assembly groove, the steel flange (4), the embedded steel plate (5) and the embedded bolt (22) nodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220748293.1U CN217128501U (en) | 2022-03-31 | 2022-03-31 | Assembled underground structure steel-pipe column and end longeron connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220748293.1U CN217128501U (en) | 2022-03-31 | 2022-03-31 | Assembled underground structure steel-pipe column and end longeron connected node |
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| Publication Number | Publication Date |
|---|---|
| CN217128501U true CN217128501U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220748293.1U Active CN217128501U (en) | 2022-03-31 | 2022-03-31 | Assembled underground structure steel-pipe column and end longeron connected node |
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| Country | Link |
|---|---|
| CN (1) | CN217128501U (en) |
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- 2022-03-31 CN CN202220748293.1U patent/CN217128501U/en active Active
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