CN219508802U - Assembled concrete beam column node - Google Patents
Assembled concrete beam column node Download PDFInfo
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- CN219508802U CN219508802U CN202320752076.4U CN202320752076U CN219508802U CN 219508802 U CN219508802 U CN 219508802U CN 202320752076 U CN202320752076 U CN 202320752076U CN 219508802 U CN219508802 U CN 219508802U
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- column
- steel cylinder
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- beam column
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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 discloses an assembled concrete beam column node which comprises an upper connecting steel cylinder, a lower connecting steel cylinder, a solid prefabricated column and a structural beam, wherein the upper connecting steel cylinder and the lower connecting steel cylinder are respectively fixed at the tail ends of column longitudinal rib throwing sections of the solid prefabricated columns at the upper side and the lower side of a beam column core area; the upper connecting steel cylinder, the lower connecting steel cylinder, the steel hoop and the inner space of the beam column core area are mutually communicated, and the communicating space is filled with concrete through a grouting assembly. The utility model can not only enable the connection of the column longitudinal ribs to be staggered in the beam column core area and avoid the connection of the column longitudinal ribs in the beam column core area with narrow construction space, but also ensure the through arrangement of the column longitudinal ribs in the beam column core area, and has convenient and efficient construction and reliable connection quality.
Description
Technical Field
The utility model relates to the technical field of assembly type building construction, in particular to an assembly type concrete beam column node.
Background
The assembled concrete frame structure is one of main forms of assembled buildings, is a novel green construction mode, and the node of the assembled concrete frame structure is a key link of engineering quality control. The reinforced concrete frame structure connecting node is a place where the upper frame column, the lower frame column, the frame beam and the floor slab are combined in a crossing way, and reinforcing bars are generally required to be reinforced in the structural design process, so that the longitudinal and transverse interlacing of the reinforced bars of the frame structure node is very dense, and as an assembled concrete frame structure, the prefabricated frame column, the prefabricated frame beam, the prefabricated floor slab and other components are reserved reinforcing bars, so that the reinforcing bars are assembled at one place without mutual collision, and the bearing force is reasonable, so that the reinforced concrete frame structure connecting node is a major problem which is required to be considered, and is also a primary problem to be solved in factory prefabrication and on-site lifting assembly construction. Because node district reinforcing bar is intensive, prefabricated frame post indulges muscle and always has that construction space is little, the connection degree of difficulty is big, the efficiency of construction is low, construction quality is difficult to guarantee when realizing that single post indulges muscle and connects by root in the node through the mode of sleeve grout.
Disclosure of Invention
The utility model aims to provide an assembled concrete beam column node so as to solve the technical problems in the background art.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the section shapes of the upper connecting steel cylinder and the lower connecting steel cylinder are matched with the section shape of the solid precast column, and the upper connecting steel cylinder and the lower connecting steel cylinder are respectively fixed at the tail ends of column longitudinal rib throwing sections of the solid precast columns at the upper side and the lower side of a beam column core area;
the bottom end of the solid precast column at the upper part of the beam column core area is buried with a connecting section steel, and the tail end of the connecting section steel is welded with a sealing plate of the upper connecting steel cylinder;
a column longitudinal rib throwing section in a solid prefabricated column at the lower part of the beam column core region vertically penetrates through the beam column core region and extends to the upper part of the beam column core region, and diagonal bracing steel bars are fixedly arranged between the column longitudinal ribs in the beam column core region;
the column hoop ribs of the solid prefabricated column tail end and the beam column core area are all arranged in an encrypted mode;
the peripheral side cylinder wall of the lower connecting steel cylinder exceeds the cylinder bottom sealing plate by a certain distance to form a steel hoop, the bottom end of the steel hoop is correspondingly arranged at the top end of the beam column core area, the openings of the upper connecting steel cylinder and the lower connecting steel cylinder are opposite and are welded and sealed at the joint, the total height of the upper connecting steel cylinder and the lower connecting steel cylinder is 10-50cm, and the height of the steel hoop is 3-15cm;
the upper connecting steel cylinder, the lower connecting steel cylinder, the steel hoop and the inner space of the beam column core area are communicated with each other, and the inner space of the upper connecting steel cylinder, the lower connecting steel cylinder, the steel hoop and the beam column core area is filled with concrete through a grouting assembly.
Preferably, the top of the solid precast column at the lower part of the beam column core area is provided with additional steel bars, the additional steel bars are correspondingly arranged at the inner sides of the column longitudinal steel bars, one ends of the steel bars are embedded in the solid precast column concrete, and the other ends vertically penetrate through the beam column core area and are fixed on the lower connecting steel cylinder.
Preferably, an anchor plate is fixedly arranged at one end of the additional steel bar, which is pre-buried in the solid prefabricated column.
Preferably, the grouting assembly comprises a grouting hole and an exhaust hole which are formed in the upper connecting steel cylinder sealing plate and a through hole which is formed in the lower connecting steel cylinder sealing plate, wherein a grouting pipe and an exhaust pipe are respectively arranged in the grouting hole and the exhaust hole, the grouting pipe and the exhaust pipe are respectively arranged in a solid prefabricated column at the upper part of a beam column core area in a pre-buried mode, the grouting pipe and the exhaust pipe are communicated with the outside through a closed abdominal cavity formed by the upper connecting steel cylinder and the lower connecting steel cylinder, and the through hole is communicated with the space on the upper side and the lower side of the lower connecting steel cylinder sealing plate.
Preferably, the connecting section steel is a cross section steel with an edge, and the setting height of the cross section steel with the edge is not less than one half of the long side size of the section of the solid prefabricated column.
Preferably, the length of the column hoop reinforcement encryption section is not smaller than the long side dimension of the section of the solid prefabricated column.
Compared with the prior art, the utility model has the beneficial effects that: the utility model realizes the effective connection of the vertical bars of the upper and lower solid precast columns in the core area of the beam column through the upper connecting steel cylinder and the lower connecting steel cylinder which are connected by welding, can ensure that the connection of the vertical bars of the column is staggered in the core area of the beam column, avoids the gradual connection of the vertical bars of the column in the core area of the beam column with narrow construction space, can ensure the through arrangement of the vertical bars of the column in the core area of the beam column, realizes the integral grouting in a concrete cast-in-situ mode between the closed abdominal cavity of the upper connecting steel cylinder and the lower connecting steel cylinder and the core area of the beam column, has convenient and efficient construction and reliable connection quality.
Drawings
The foregoing and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:
fig. 1 is a schematic structural view of an assembled concrete beam-column joint according to the present utility model;
FIG. 2 is a schematic structural view of a solid preform column according to the present utility model;
FIG. 3 is a schematic view of the structure of the connecting section steel and the upper connecting steel cylinder according to the present utility model;
fig. 4 is a schematic structural view of the lower connecting steel cylinder and the additional reinforcing steel bars according to the present utility model.
Reference numerals: 1. a solid prefabricated column; 101. column longitudinal ribs; 102. column stirrups; 2. a structural beam; 201. a beam main rib; 202. beam stirrups; 3. the upper connecting steel cylinder; 4. the lower connecting steel cylinder; 5. connecting section steel; 6. steel hoops; 7. grouting components; 701. grouting holes; 702. grouting pipe; 703. an exhaust hole; 704. an exhaust pipe; 705. a pulp passing hole; 8. adding reinforcing steel bars; 9. an anchor plate; 10. a nut; 11. and (5) supporting the steel bar in a diagonal manner.
Detailed Description
Hereinafter, an embodiment of a fabricated concrete beam-column node of the present utility model will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification, including those adopting any obvious substitutions and modifications to the embodiments described herein.
In the description of the present utility model, it should be noted that the terms "front", "rear", "left", "right", "top", "bottom", "upper", "lower", "inner", "outer", "transverse", "longitudinal", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, 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 relative importance.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The preferred embodiment of the present utility model is described in further detail below in conjunction with fig. 1-4:
as shown in fig. 1-4, the preferred assembled concrete beam-column joint comprises an upper connecting steel cylinder 3, a lower connecting steel cylinder 4, a solid prefabricated column 1 and a structural beam 2, wherein the cross sections of the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4 are matched with the cross sections of the solid prefabricated column 1, the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4 are respectively fixed at the tail ends of column longitudinal ribs 101 of the solid prefabricated column 1 at the upper side and the lower side of a beam-column core area, the tail ends of the column longitudinal ribs 101 are provided with threading thread sections, the thread sections penetrate through sealing plates of the upper connecting steel cylinder 3 or the lower connecting steel cylinder 4 and are locked through nuts 10, and a backing plate can be additionally arranged between the nuts 10 and the sealing plates;
as shown in fig. 3, a connection section steel 5 is buried at the bottom end of the solid prefabricated column 1 at the upper part of the beam column core area, the connection section steel 5 is preferably a cross section steel with an edge, the set height of the cross section steel with the edge is not less than one half of the long side size of the section of the solid prefabricated column 1, the tail end of the cross section steel with the edge is welded and connected with a sealing plate of the upper connection steel cylinder 3, and the set of the cross section steel with the edge can effectively enhance the connection strength of the upper connection steel cylinder 3 and the solid prefabricated column 1;
the swinging section of the column longitudinal ribs 101 in the solid prefabricated column 1 at the lower part of the beam column core region vertically penetrates through the beam column core region and extends to the upper part of the beam column core region, diagonal bracing steel bars 11 are fixedly arranged between the column longitudinal ribs 101 in the beam column core region in a welding or binding mode, and the diagonal bracing steel bars 11 are mainly arranged to improve the shear strength of the beam column core region;
as shown in fig. 4, an additional steel bar 8 is arranged at the top of the solid prefabricated column 1 at the lower part of the beam column core region, the additional steel bar 8 is correspondingly arranged at the inner side of the column longitudinal steel bar 101 so as to avoid the densely distributed column longitudinal steel bar 101, one end of the steel bar body is embedded in the concrete of the solid prefabricated column 1, the other end vertically penetrates through the beam column core region and is fixed on the lower connecting steel cylinder 4 through an end threading and a nut 10, and in order to improve the bonding strength between the additional steel bar 8 and the solid prefabricated column 1, an anchor plate 9 is preferably fixedly arranged at one end of the additional steel bar 8 embedded in the solid prefabricated column 1;
the tail end of the solid prefabricated column 1 and the column hoop ribs 102 of the beam column core area are arranged in an encrypted mode, the length of an encrypted section of the column hoop ribs 102 is not smaller than the long side size of the section of the solid prefabricated column 1, and the structural strength of a beam column connecting node can be improved to a certain extent through the encrypted column hoop ribs 102;
the circumference side cylinder wall of the lower connecting steel cylinder 4 exceeds the cylinder bottom sealing plate by a certain distance to form a steel hoop 6, the bottom end of the steel hoop 6 is correspondingly arranged at the top end of the beam column core area, the openings of the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4 are opposite and are sealed by slope welding at the joint, the total height of the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4 is 10-50cm, the joint of the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4 can be at the middle position or not, namely, the arrangement heights of the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4 can be the same or different, and the arrangement of the steel hoop 6 is used for avoiding forming a horizontal through joint on the column, so the height of the steel hoop 6 is preferably 3-15cm;
the upper connecting steel cylinder 3, the lower connecting steel cylinder 4, the steel hoop 6 and the inner space of the beam column core area are mutually communicated, the upper connecting steel cylinder 3, the lower connecting steel cylinder 4, the steel hoop 6 and the inner space of the beam column core area are fully filled with concrete through the grouting component 7, the communicated space can be integrally filled, the integrity of the solidified concrete body can be ensured, the strength of a node is further improved, in order to more conveniently realize grouting operation, the preferred grouting component 7 comprises a grouting hole 701 and an exhaust hole 703 which are formed at the sealing plate of the upper connecting steel cylinder 3, and a grouting hole 705 which is formed at the sealing plate of the lower connecting steel cylinder 4, a grouting pipe 702 and an exhaust pipe 704 are respectively arranged in the solid precast column 1 at the upper part of the beam column core area in an embedded mode, the grouting pipe 702 and the exhaust pipe 704 are communicated with the outside through the sealing plate formed by the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4, in order to more conveniently realize grouting operation, the grouting quality of the upper and lower two sides of the connecting steel cylinder 4 is ensured through the grouting hole 705, and the size of the grouting hole 703 are required to be formed through the size and the exhaust hole 703 are calculated, and the size of the grouting hole is required to be formed through the size and the size of the grouting hole 703 is determined.
In addition, the utility model also provides a construction method of the assembled concrete beam column node, which comprises the following steps:
step one, manufacturing a solid prefabricated column 1, if a structural beam 2 is a prefabricated beam, synchronously manufacturing the prefabricated beam at the moment, fixing an additional steel bar 8 and an inclined strut steel bar 11 at the tail end of a column longitudinal bar 101 in advance, and sleeving an upper connecting steel cylinder 3 and a lower connecting steel cylinder 4 at the tail end of the column longitudinal bar 101 and locking and fixing through a nut 10;
step two, mounting a solid prefabricated column 1 at the lower part of a beam column core area in place;
step three, constructing a structural beam 2, wherein the structural form of the structural beam 2 is not limited, and can be a cast-in-situ beam, a superposed beam or a precast beam;
hoisting the solid precast column 1 at the upper part of the beam column core area into position, adjusting the position of the upper solid precast column 1 to align the openings of the upper connecting steel cylinder 3 and the lower connecting steel cylinder 4, and fixing the solid precast column 1 at the upper part of the beam column core area through temporary fixing measures;
checking the position of a solid prefabricated column 1 at the upper part of a beam column core area, and fixing an upper connecting steel cylinder 3 and a lower connecting steel cylinder 4 at the joint of the upper connecting steel cylinder and the lower connecting steel cylinder through slope welding;
step six, supporting a beam column core area template;
step seven, the grouting assembly 7 is used for connecting the steel cylinder 3 upwards, connecting the steel cylinder 4 downwards, and filling concrete into the inner space of the steel hoop 6 and the beam column core area and vibrating the inner space tightly;
and step eight, removing the mould after the concrete in the beam column core area reaches the preset strength, and carrying out hoisting construction on the next solid prefabricated column 1.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. An assembled concrete beam column node which characterized in that: the structure comprises an upper connecting steel cylinder (3), a lower connecting steel cylinder (4), a solid prefabricated column (1) and a structural beam (2), wherein the cross section shapes of the upper connecting steel cylinder (3) and the lower connecting steel cylinder (4) are matched with the cross section shape of the solid prefabricated column (1), and the upper connecting steel cylinder and the lower connecting steel cylinder are respectively fixed at the tail ends of column longitudinal ribs (101) of the solid prefabricated columns (1) at the upper side and the lower side of a beam column core area;
the bottom end of the solid prefabricated column (1) at the upper part of the beam column core area is buried with a connecting section steel (5), and the tail end of the connecting section steel (5) is welded with a sealing plate of the upper connecting steel cylinder (3);
a column longitudinal rib (101) throwing section in a solid prefabricated column (1) at the lower part of the beam column core region vertically penetrates through the beam column core region and extends to the upper part of the beam column core region, and diagonal bracing steel bars (11) are fixedly arranged between the column longitudinal ribs (101) in the beam column core region;
the column hoop ribs (102) of the tail end of the solid prefabricated column (1) and the core area of the beam column are all arranged in an encrypted mode;
the peripheral side cylinder wall of the lower connecting steel cylinder (4) exceeds the cylinder bottom sealing plate by a certain distance to form a steel hoop (6), the bottom end of the steel hoop (6) is correspondingly arranged at the top end of the beam column core area, the openings of the upper connecting steel cylinder (3) and the lower connecting steel cylinder (4) are opposite and are welded and sealed at the joint, the total height of the upper connecting steel cylinder (3) and the lower connecting steel cylinder (4) is 10-50cm, and the height of the steel hoop (6) is 3-15cm;
the upper connecting steel cylinder (3), the lower connecting steel cylinder (4), the steel hoop (6) and the inner space of the beam column core area are communicated with each other, and the inner space of the upper connecting steel cylinder (3), the lower connecting steel cylinder (4), the steel hoop (6) and the beam column core area is filled with concrete through the grouting component (7).
2. A fabricated concrete beam-column node as claimed in claim 1, wherein: the top of a solid precast column (1) at the lower part of a beam column core area is provided with an additional steel bar (8), the additional steel bar (8) is correspondingly arranged at the inner side of a column longitudinal bar (101), one end of a bar body is embedded in solid precast column (1) concrete, and the other end vertically penetrates through the beam column core area and is fixed on a lower connecting steel cylinder (4).
3. A fabricated concrete beam-column node as claimed in claim 2, wherein: one end of the additional steel bar (8) pre-buried in the solid prefabricated column (1) is fixedly provided with an anchor plate (9).
4. A fabricated concrete beam-column node as claimed in claim 1, wherein: grouting assembly (7) are including seting up grouting hole (701) and exhaust hole (703) in last connection steel cylinder (3) shrouding department to and set up in the through pulp hole (705) of lower connection steel cylinder (4) shrouding department, install slip casting pipe (702) and blast pipe (704) in grouting hole (701) and exhaust hole (703) respectively, slip casting pipe (702) and blast pipe (704) are all arranged in beam column core area upper portion solid precast column (1) with pre-buried mode, and the closed abdominal cavity that upper connection steel cylinder (3) and lower connection steel cylinder (4) formed is with external intercommunication with blast pipe (704), and through the space intercommunication of both sides about pulp hole (705) will lower connection steel cylinder (4) shrouding.
5. A fabricated concrete beam-column node as claimed in claim 1, wherein: the connecting section steel (5) is cross section steel with the flange, and the setting height of the cross section steel with the flange is not less than one half of the size of the long side of the section of the solid prefabricated column (1).
6. A fabricated concrete beam-column node as claimed in claim 1, wherein: the length of the encryption section of the column hoop rib (102) is not smaller than the long side dimension of the section of the solid prefabricated column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320752076.4U CN219508802U (en) | 2023-04-07 | 2023-04-07 | Assembled concrete beam column node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320752076.4U CN219508802U (en) | 2023-04-07 | 2023-04-07 | Assembled concrete beam column node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219508802U true CN219508802U (en) | 2023-08-11 |
Family
ID=87550698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320752076.4U Active CN219508802U (en) | 2023-04-07 | 2023-04-07 | Assembled concrete beam column node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219508802U (en) |
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2023
- 2023-04-07 CN CN202320752076.4U patent/CN219508802U/en active Active
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