Connecting joint of reinforced concrete beam column and concrete bracket and building
By designing embedded steel and connecting plate structures in the concrete beef leg connection node, the problem of insufficient bending and crack resistance of the beef leg is solved, and a safer structural bearing effect is achieved.
Patent Information
- Application Number
- CN202420271586.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-04
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-02-04
AI Technical Summary
In the existing reinforced concrete frame structure, when concrete ox legs bear large span structures, they are easily affected by vertical forces and horizontal tension, resulting in insufficient bending and crack resistance, which in turn has an adverse impact on the frame column.
Design a connection node between reinforced concrete beams and columns and concrete beef legs. By burying the inner steel in the steel concrete column, corresponding inner steel is buried in the steel concrete beams and cow legs, and forming an integral part through shear bolts and nails and connecting plates. Structure to improve the bending and crack resistance of cow legs.
Through this connection node, the bending and crack resistance of concrete beef legs is improved, and the additional bending moment caused by horizontal shear force and vertical force can be effectively assumed, ensuring the safety of the node structure.
Smart Images
Figure CN222456356U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of building structures, and in particular to a connection node between a reinforced concrete beam-column and a concrete corbel and a building. Background Art
[0002] Existing reinforced concrete frame structures often use concrete corbels for support. When there is a large-span structure in the upper body of the frame structure and a concrete corbel support is required on the side of the concrete frame column, the corbel needs to bear large vertical force and horizontal tension. The horizontal tension is very unfavorable to the bending resistance of the positive section and the crack resistance of the inclined section of the concrete corbel. At the same time, when the corbel elevation is inconsistent with the column top elevation, the additional bending moment caused by the horizontal tension and vertical force will be transmitted to the column space of the frame column, which will also have an adverse effect on the frame column. Utility Model Content
[0003] The purpose of the present application is to provide a connection node and building of a reinforced concrete beam-column and concrete corbel, which can improve the bending resistance and crack resistance of the corbel, and at the same time help the beam-column to form a whole to jointly bear the additional bending moment caused by horizontal shear force and vertical force to ensure the safety of the node structure.
[0004] This application is implemented as follows:
[0005] The present application provides a connection node between a reinforced concrete beam-column and a concrete corbel, which comprises a steel-concrete column and a steel-concrete beam respectively connected to the side surfaces of the steel-concrete column, a plurality of concrete frame beams and a steel-concrete corbel, wherein the steel-concrete beam and the steel-concrete corbel are arranged relatively to each other up and down, at least two column-inner steels are embedded in the steel-concrete column, a beam-inner steel is embedded in the steel-concrete beam, one end of the beam-inner steel extends into the steel-concrete column to connect with each column-inner steel, a corbel-inner steel corresponding to the column-inner steel is embedded in the steel-concrete corbel, one end of each corbel-inner steel extends into the steel-concrete column to connect with the corresponding column-inner steel.
[0006] In some optional embodiments, the inner steel sections of the columns, the inner steel sections of the beams and the inner steel sections of the corbels are respectively connected with a plurality of shear studs.
[0007] In some optional embodiments, the inner steel section of the beam and the inner steel section of the corbel are respectively connected to the inner steel section of the column via a plurality of connection plates.
[0008] In some optional embodiments, through holes are provided on the connecting plate.
[0009] In some optional embodiments, the bottoms of the steel sections in each column are connected by at least one partition plate.
[0010] In some optional embodiments, a vertical armhole at the bottom of the beam is provided between the side wall of the steel-concrete column and the bottom of the steel-concrete beam.
[0011] In some optional embodiments, a plurality of longitudinal bars and waist bars are provided in the concrete frame beam, and the column steel is provided with a plurality of square holes for the longitudinal bars to pass through and a plurality of round holes for the waist bars to pass through.
[0012] In some optional implementation schemes, a plurality of column internal stirrups are provided in the steel-concrete column, and a plurality of circular holes in the beam steel and the corbel steel are provided in the beam steel and the corbel steel respectively for the column internal stirrups to pass through.
[0013] The present application also provides a building, which includes the connection node between the above-mentioned reinforced concrete beam-column and the concrete corbel.
[0014] The beneficial effects of the present application are as follows: the connection node of the reinforced concrete beam-column and the concrete corbel provided by the present application comprises a steel-concrete column and a steel-concrete beam respectively connected to the four sides of the steel-concrete column, two concrete frame beams and a steel-concrete corbel, the steel-concrete beam and the steel-concrete corbel are arranged relatively up and down, at least two column-inner steels are embedded in the steel-concrete column, the steel-concrete beam is embedded with beam-inner steels, one end of the beam-inner steels extend into the steel-concrete column to connect with each column-inner steel, the steel-concrete corbel is embedded with corbel-inner steels corresponding to the column-inner steels one by one, one end of each corbel-inner steel extends into the steel-concrete column to connect with the corresponding column-inner steels. The connection node and building of the reinforced concrete beam-column and the concrete corbel provided by the present application can improve the bending resistance and crack resistance of the corbel, and at the same time, it is beneficial for the beam-column to form a whole to jointly bear the additional bending moment caused by the horizontal shear force and the vertical force to ensure the safety of the node structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 A schematic diagram of the local structure of the connection node between the reinforced concrete beam column and the concrete corbel provided in an embodiment of the present application;
[0017] Figure 2 A schematic diagram of the partial structure of the connection between the inner steel section of the column, the inner steel section of the beam and the inner steel section of the corbel at the connection node between the reinforced concrete beam-column and the concrete corbel provided in an embodiment of the present application;
[0018] Figure 3 For along Figure 1 Schematic diagram of the cross-sectional structure of the AA section line;
[0019] Figure 4 For along Figure 1 Schematic diagram of the cross-sectional structure of the steel sections in the column, beam, corbel and steel bars in the steel-concrete column along the AA section line.
[0020] In the figure: 100, steel-concrete column; 110, steel-concrete beam; 120, concrete frame beam; 130, steel-concrete corbel; 140, steel in column; 150, steel in beam; 160, steel in corbel; 170, shear stud; 180, connecting plate; 190, through hole; 200, partition; 210, vertical haunch at bottom of beam; 220, longitudinal reinforcement of beam; 230, waist reinforcement of beam; 240, square hole of steel in column; 250, round hole of steel in column; 260, stirrups in column; 270, round hole of steel in beam; 280, round hole of steel in leg. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0025] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0026] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0027] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0028] The characteristics and performance of the connection node between the reinforced concrete beam-column and the concrete corbel of the present application are further described in detail below in conjunction with the embodiments.
[0029] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the embodiment of the present application provides a connection node between a reinforced concrete beam-column and a concrete corbel, which includes a steel-concrete column 100 and a steel-concrete beam 110 respectively connected to the side of the steel-concrete column 100, two concrete frame beams 120 and a steel-concrete corbel 130, the steel-concrete beam 110 and the steel-concrete corbel 130 are arranged relatively to each other up and down, two column-shaped steel sections 140 with an I-shaped cross section are embedded in the steel-concrete column 100, and the two ends of the column-shaped steel section 140 extend to the upper part of the steel-concrete beam 110 and the lower part of the steel-concrete corbel 130 respectively, and a beam-shaped steel section 150 with an I-shaped cross section is embedded in the steel-concrete beam 110, and one end of the beam-shaped steel section 150 extends to the steel-concrete column 100 through two vertically arranged connecting plates 1 80 connects two inner-column steel sections 140, two inner-column steel sections 160 with an I-shaped cross section corresponding to the inner-column steel sections 140 are embedded in the steel-concrete corbel 130, one end of each inner-column steel section 160 extends into the steel-concrete column 100 to connect with the corresponding inner-column steel section 140, two connecting plates 180 respectively located at the upper flange and the lower flange of the inner-column steel section 160 are connected between the two inner-column steel sections 140, each connecting plate 180 is provided with a through hole 190, and the bottoms of the two inner-column steel sections 140 are connected by a partition 200; the inner-column steel sections 140, the beam inner-beam steel sections 150 and the inner-column steel section 160 are respectively connected with spaced-apart shear studs 170; a beam bottom vertical axil 210 is provided between the side wall of the steel-concrete column 100 and the bottom of the steel-concrete beam 110. The concrete frame beam 120 is provided with longitudinal reinforcements 220 and waist reinforcements 230 arranged at intervals, the column steel section 140 is provided with square holes 240 for the longitudinal reinforcements 220 to pass through and circular holes 250 for the waist reinforcements 230 to pass through, the steel concrete column 100 is provided with stirrups 260 arranged at intervals, the beam steel section 150 and the corbel steel section 160 are respectively provided with circular holes 270 and 280 for the stirrups 260 to pass through.
[0030] The connection node between the reinforced concrete beam-column and the concrete corbel provided in the embodiment of the present application is achieved by respectively connecting the concrete frame beam 120 on both sides of the steel concrete column 100, and respectively connecting the steel concrete beam 110 and the steel concrete corbel 130 arranged up and down on the other two sides of the steel concrete column 100, so that the two column profiles 140 embedded in the steel concrete column 100 are respectively connected and fixed to the beam profiles 150 and the two corbel profiles 160 embedded in the steel concrete beam 110 and the steel concrete corbel 130, so that the column profiles 140, the beam profiles 150 and the corbel profiles 160 are connected to form a whole to effectively improve the bending resistance and crack resistance of the corbel, and at the same time, it is beneficial for the steel concrete column 100, the concrete frame beam 120, the steel concrete beam 110 and the steel concrete corbel 130 to form a whole to jointly bear the additional bending moment caused by the horizontal shear force and the vertical force, thereby ensuring the safety of the node structure.
[0031] In this embodiment, the thickness of each connecting plate 180 connected to the inner steel section 150 of the beam is the same as the flange thickness of the inner steel section 150 of the beam at the corresponding connecting position. The through hole 190 opened in the middle of the connecting plate 180 can provide a vibration space for concrete pouring during the construction phase, thereby ensuring the quality of concrete pouring. The bottoms of the two inner steel sections 140 of the column are connected by a partition 200, which is conducive to preventing slippage between the inner steel section 140 of the column and the concrete.
[0032] In this embodiment, the steel sections 140 in the column, the steel sections 150 in the beam and the steel sections 160 in the corbel are respectively connected with spaced-apart shear studs 170, so that each steel section body and the concrete can bear the force together. The diameter specification of the shear studs 170 is recommended to be 19 mm, the corresponding length is 80 mm, and the horizontal and vertical spacing is 200 mm.
[0033] In this embodiment, the cross-sections of the two column steel sections 140 are I-shaped and have equal cross-sectional dimensions. The steel thickness of the flanges and webs of the column steel sections 140 are both 14 to 20 mm. The webs of the column steel sections 140 are pre-set with square holes 240 and circular holes 250 for the column steel sections to allow the longitudinal reinforcement 220 and waist reinforcement 230 in the concrete frame beam 120 to pass through.
[0034] In this embodiment, the inner steel section 150 is arranged along the entire length of the steel concrete beam 110. The cross-section of the inner steel section 150 is an I-section. The steel thickness of the flange and web of the inner steel section 150 is 14 to 20 mm. The web of the inner steel section 150 is provided with an inner steel section circular hole 270 for the column stirrups 260 to pass through.
[0035] In this embodiment, two corbel inner steels 160 with an I-shaped cross-section are arranged in the steel concrete corbel 130. The steel thickness of the flange and the web of the corbel inner steel 160 is 14 to 20 mm. The web of the corbel inner steel 160 is welded to the flange of the column inner steel 140. The web of the corbel inner steel 160 is preset with corbel inner steel circular holes 280 for the column inner stirrups 260 to pass through.
[0036] In this embodiment, the top surface elevation of the steel-concrete corbel 130 is lower than the bottom elevation of the steel-concrete beam 110, and a vertical rib 210 is arranged between the side wall of the steel-concrete column 100 and the bottom of the steel-concrete beam 110, which can further ensure that the horizontal tension on the steel-concrete corbel 130 can be transmitted to the steel-concrete beam 110.
[0037] When constructing the connection node between the reinforced concrete beam-column and the concrete corbel provided in the embodiment of the present application, firstly, the column inner steel 140, the beam inner steel 150, the corbel inner steel 160, the connecting plate 180 and the partition 200 are prefabricated in the factory, and the column inner steel 140, the connecting plate 180 and the partition 200 are welded in advance and transported as a whole to the site for construction. The construction sequence is as follows: first, the longitudinal reinforcement and stirrups in the steel concrete column 100 are cut, and then the column inner steel 140, the beam inner steel 150, and the corbel inner steel 160 are installed and welded on site. After the steel is installed, the steel bars in the steel concrete beam 110, the two concrete frame beams 120 and the steel concrete corbel 130 are tied to avoid the problem that the steel bars are tied first and then the steel cannot be installed. Finally, the concrete pouring construction is carried out.
[0038] The present application also provides a building, which includes the connection node between the above-mentioned reinforced concrete beam-column and the concrete corbel.
[0039] The embodiments described above are part of the embodiments of the present application, rather than all of the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.
Claims
1. A connection node between a reinforced concrete beam column and a concrete corbel, characterized in that: It includes a steel-concrete column and a steel-concrete beam, a plurality of concrete frame beams and a steel-concrete corbel respectively connected to the side surfaces of the steel-concrete column. The steel-concrete beam and the steel-concrete corbel are arranged relatively to each other up and down. At least two column profiles are embedded in the steel-concrete column. The steel-concrete beam is embedded with beam profiles. One end of the beam profiles extends into the steel-concrete column to connect with each of the column profiles. The steel-concrete corbel is embedded with corbel profiles corresponding to the column profiles one by one. One end of each of the corbel profiles extends into the steel-concrete column to connect with the corresponding column profiles.
2. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 1 is characterized in that: The column inner steel, the beam inner steel and the corbel inner steel are respectively connected with a plurality of shear studs.
3. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 1 is characterized in that: The beam inner steel and the corbel inner steel are respectively connected to the column inner steel through a plurality of connection plates.
4. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 3 is characterized in that: The connecting plate is provided with a through hole.
5. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 1, characterized in that: The bottoms of the steel sections in each column are connected by at least one partition.
6. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 1, characterized in that: A vertical beam bottom gusset is provided between the side wall of the steel concrete column and the bottom of the steel concrete beam.
7. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 1, characterized in that: The concrete frame beam is provided with a plurality of beam longitudinal bars and beam waist bars, and the column inner steel is provided with a plurality of column inner steel square holes for the beam longitudinal bars to pass through and a plurality of column inner steel round holes for the beam waist bars to pass through.
8. The connection node between the reinforced concrete beam column and the concrete corbel according to claim 1, characterized in that: The steel-concrete column is provided with a plurality of column inner stirrups, and the beam inner steel and the corbel inner steel are respectively provided with a plurality of beam inner steel circular holes and corbel inner steel circular holes for the column inner stirrups to pass through.
9. A building, characterized in that: The invention comprises a connection node between a reinforced concrete beam column and a concrete corbel as claimed in any one of claims 1 to 8.