CN219343491U

CN219343491U - Reinforced concrete beam node

Info

Publication number: CN219343491U
Application number: CN202320874040.3U
Authority: CN
Inventors: 郭凯; 秦玮琳
Original assignee: Xi'an Datum Fangzhong Architectural Design Co ltd
Current assignee: Xi'an Datum Fangzhong Architectural Design Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-07-14
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a reinforced concrete beam node, and relates to the technical field of constructional engineering. The utility model comprises a triangular support mechanism, an annular hoop reinforcement assembly and a concrete pouring sleeve, wherein the triangular support mechanism is fixed at the top edge of a concrete upright, the top end of the triangular support mechanism penetrates through the end part of a concrete cross beam, and the concrete cross beam is lapped on the top of the concrete upright; the annular hoop reinforcement assemblies are arranged in a plurality, and are sleeved at the end parts of the concrete cross beam at equal intervals; and a concrete pouring sleeve is formed at the joint of the concrete beam and the concrete upright post by pouring. According to the utility model, by arranging the triangular support mechanism and the plurality of annular hoop reinforcement assemblies, the structural stability, strength and rigidity of the joint of the concrete cross beam and the concrete upright post are effectively improved, the bearing capacity and the earthquake resistance of the beam are improved, and the problems that the conventional concrete beam joint reinforcement measure is single and the joint strength and stability are not ideal are solved.

Description

Reinforced concrete beam node

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a reinforced concrete beam node.

Background

Reinforced concrete beams are a commonly used structural beam, consisting of concrete and steel bars. The main function of which is to carry the load and transfer it to the support. The reinforced concrete beam node refers to the connection part of the beam and structural members such as columns, walls and the like. The design and construction quality of the nodes directly affect the safety and stability of the whole structure.

In the node design, the problems of Liang Yuzhu, force transmission between walls, deformation control, node rigidity and the like need to be considered. Common forms of nodes include rigid nodes, semi-rigid nodes, and flexible nodes. The rigid node requires high rigidity of the node, can bear large force and bending moment, but is easy to generate concentrated stress and crack; the flexible node requires larger node deformation, and can consume energy, but the rigidity and the bearing capacity of the node can be reduced. In the construction process, the reinforcement and the prestress treatment of the nodes need to be paid attention to so as to ensure the stability and the safety of the nodes. Meanwhile, the nodes are required to be fully controlled and detected, so that the nodes are ensured to meet design requirements and standards.

Through retrieving, bulletin number CN208202127U, bulletin date 2018-12-07 discloses a reinforced concrete beam node structure, including second concrete, vertical supporting bar, main atress reinforcing bar, upper portion backup pad, the inside lower positioning groove that is provided with of second concrete, the inside lower positioning lug that is provided with of lower positioning groove, the lower positioning groove below is provided with vertical supporting bar, the vertical supporting bar outside is provided with vertical positioning reinforcement cage, lower positioning lug top is provided with the lower part backup pad, the lower part backup pad top is provided with fourth concrete, the inside main atress reinforcing bar that is provided with of fourth concrete. The beneficial effects are that: the utility model strengthens the strength of the node, improves the bearing capacity of the node by adding the supporting and main stress steel bars, improves the structural strength of the concrete beam, improves the safety of the concrete beam and ensures that the device is more reliable.

The patent has the following disadvantages: the node structure has single reinforcement measure, and the strength and stability of the node are not ideal.

Therefore, the existing node structure cannot meet the needs in practical use, so there is an urgent need for improved technology in the market to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a reinforced concrete beam node, which is characterized in that a triangular supporting mechanism and a plurality of annular hoop reinforcement assemblies are arranged, so that the structural stability, strength and rigidity of a joint of a concrete cross beam and a concrete upright post are effectively improved, the bearing capacity and the earthquake resistance of the beam are improved, and the problems that the conventional reinforced concrete beam node is single in reinforcement measure and the strength and stability of the node are not ideal are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a reinforced concrete beam node which comprises a triangular support mechanism, an annular hoop reinforcement assembly and a concrete pouring sleeve, wherein the triangular support mechanism is fixed at the top edge of a concrete upright column, the top end of the triangular support mechanism penetrates through the end part of a concrete cross beam, and the concrete cross beam is lapped on the top of the concrete upright column; the annular hoop reinforcement assemblies are arranged in a plurality, and are sleeved at the end parts of the concrete cross beam at equal intervals; and a concrete pouring sleeve is formed at the lap joint of the concrete beam and the concrete upright post in a pouring way, and the concrete pouring sleeve is used for wrapping the triangular supporting mechanism and the annular hoop reinforcing component.

Further, the triangular support mechanism comprises a vertical steel bar, a top support plate, a horizontal steel bar, an inclined steel bar and a bottom support plate; the bottom ends of the vertical steel bars are fixedly inserted into the tops of the concrete columns, and the top ends of the vertical steel bars penetrate through the first through holes of the concrete cross beams; the bottom ends of the oblique reinforcing bars are fixedly connected with a bottom supporting plate, the bottom supporting plate is fixed on the side surface of the concrete upright post, and the top ends of the oblique reinforcing bars penetrate through the second through holes of the concrete cross beams; the top backup pad is used for connecting the top of vertical reinforcing bar and the top of slant reinforcing bar, and horizontal reinforcing bar is fixed in the bottom of top backup pad.

Further, the vertical steel bars, the transverse steel bars and the oblique steel bars are all provided with three, and are distributed at equal intervals.

Further, the annular hoop reinforcement component comprises half frame bodies with reinforcement cages arranged on two sides of the reinforcement cages; the inner sides of the end parts of the half frame bodies are provided with support plates, and the support plates of the two half frame bodies are locked by fasteners.

Further, the reinforcement cage is sleeved at the end part of the concrete beam, and the concrete beam is further provided with a corresponding annular groove.

Further, the top of the concrete upright post is provided with a positioning groove which is matched with the half frame body.

The utility model has the following beneficial effects:

1. according to the utility model, the triangular support mechanism and the annular hoop reinforcement assemblies are arranged, so that the structural stability, strength and rigidity of the joint where the concrete beam and the concrete column overlap are effectively improved, and the bearing capacity of the joint is improved, and the safety of the concrete beam is improved and is more reliable through the support of the triangular reinforcing steel bars of the triangular support mechanism and the hooping of the reinforcing steel bar cage.

2. According to the utility model, the reinforcement cage and the half frame body are arranged, so that the installation of the annular hoop reinforcement assembly is more convenient, the annular hoop reinforcement assembly can be accurately positioned through the annular groove and the positioning groove, the annular hoop reinforcement assembly is not easy to deviate and lose effectiveness, the strength and the stability of the concrete beam are enhanced, the bearing capacity and the earthquake resistance of the beam are improved, and the safety and the reliability of the structure are ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an overall structure;

FIG. 2 is a schematic view of a concrete beam structure;

FIG. 3 is a schematic view of a triangular support mechanism;

FIG. 4 is a schematic view of the annular hoop reinforcement assembly;

fig. 5 is a schematic illustration of the overall structure after casting.

In the drawings, the list of components represented by the various numbers is as follows:

1. a triangular support mechanism; 2. a concrete beam; 3. a concrete column; 4. an annular hoop reinforcement assembly; 5. a concrete pouring sleeve; 11. vertical steel bars; 12. a top support plate; 13. transverse steel bars; 14. oblique reinforcing steel bars; 15. a bottom support plate; 21. a first through hole; 22. a second through hole; 23. an annular groove; 31. a positioning groove; 41. a reinforcement cage; 42. a half frame; 43. a support plate; 44. a fastener.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 and 5, the utility model discloses a reinforced concrete beam node, which comprises a triangular support mechanism 1, an annular hoop reinforcement assembly 4 and a concrete pouring sleeve 5, wherein the triangular support mechanism 1 is fixed at the top edge of a concrete column 3, the top end of the triangular support mechanism 1 penetrates through the end part of a concrete beam 2, and the concrete beam 2 is lapped on the top of the concrete column 3; the annular hoop reinforcement assemblies 4 are arranged in a plurality, and are sleeved at the end part of the concrete beam 2 at equal intervals; and a concrete pouring sleeve 5 is formed at the lap joint of the concrete beam 2 and the concrete upright post 3 in a pouring way, and the concrete pouring sleeve 5 is used for wrapping the triangular support mechanism 1 and the annular hoop reinforcement component 4.

As shown in fig. 2-3, the triangular support mechanism 1 comprises a vertical steel bar 11, a top support plate 12, a transverse steel bar 13, an oblique steel bar 14 and a bottom support plate 15; the bottom ends of the vertical steel bars 11 are fixedly inserted into the top of the concrete upright 3, and the top ends of the vertical steel bars 11 penetrate through the first through holes 21 of the concrete cross beam 2; the bottom end of the oblique steel bar 14 is fixedly connected with a bottom supporting plate 15, the bottom supporting plate 15 is fixed on the side surface of the concrete upright post 3, and the top end of the oblique steel bar 14 penetrates through a second through hole 22 of the concrete beam 2; the top support plate 12 is used for connecting the top ends of the vertical steel bars 11 and the top ends of the inclined steel bars 14, and the transverse steel bars 13 are fixed at the bottom of the top support plate 12; the vertical steel bars 11, the transverse steel bars 13 and the inclined steel bars 14 are all provided with three, and are distributed at equal intervals.

The setting of triangle supporting mechanism 1 for concrete beam 2 and the structural stability, intensity, the rigidity of concrete column 3 overlap joint department all obtain effectively improving, through the support of triangle-shaped reinforcing bar of triangle supporting mechanism 1, improved the bearing capacity of node, a plurality of vertical reinforcing bars 11, horizontal reinforcing bar 13 and slant reinforcing bar 14 cooperate, make the security of concrete beam obtain improving, and is more reliable.

As shown in fig. 2 to 4, the annular hoop reinforcement component 4 comprises a steel reinforcement cage 41 and half frames 42 arranged on two sides of the steel reinforcement cage 41; the inner sides of the end parts of the half frame bodies 42 are provided with support plates 43, and the support plates 43 of the two half frame bodies 42 are locked by fasteners 44; the reinforcement cage 41 is sleeved at the end part of the concrete beam 2, and the concrete beam 2 is also provided with a corresponding annular groove 23; the top of the concrete column 3 is provided with a positioning groove 31, and the positioning groove 31 is matched with the half frame 42.

The arrangement of the reinforcement cage 41 and the half frame body 42 ensures that the installation of the annular hoop reinforcement assembly 4 is more convenient, and the annular hoop reinforcement assembly 4 can be accurately positioned through the annular groove 23 and the positioning groove 31, so that the annular hoop reinforcement assembly is not easy to deviate from failure, the reinforcement cage 41 is firstly pricked and sleeved in the annular groove 23, then the two half frame bodies 42 are fixed together through the fastener 44, and finally the reinforcement cage 41 and the half frame bodies 42 are welded together; the annular hoop reinforcement component 4 enhances the strength and stability of the concrete beam 2, increases the bearing capacity and the anti-seismic performance of the beam, and ensures the safety and the reliability of the structure.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a reinforced concrete beam node, includes triangle supporting mechanism (1), annular hoop reinforcement subassembly (4) and concrete placement cover (5), its characterized in that:

the triangular support mechanism (1) is fixed at the top edge of the concrete upright post (3), the top end of the triangular support mechanism (1) penetrates through the end part of the concrete cross beam (2), and the concrete cross beam (2) is lapped on the top of the concrete upright post (3);

the annular hoop reinforcement assemblies (4) are arranged in a plurality, and are sleeved at the end parts of the concrete cross beam (2) at equal intervals;

the concrete beam (2) and the concrete column (3) overlap joint are poured to form the concrete pouring sleeve (5), and the concrete pouring sleeve (5) is used for wrapping the triangular support mechanism (1) and the annular hoop reinforcement assembly (4).

2. A reinforced concrete beam joint according to claim 1, wherein the triangular support mechanism (1) comprises a vertical bar (11), a top support plate (12), a horizontal bar (13), an oblique bar (14) and a bottom support plate (15);

the bottom ends of the vertical steel bars (11) are fixedly inserted into the tops of the concrete columns (3), and the top ends of the vertical steel bars (11) penetrate through the first through holes (21) of the concrete cross beams (2);

the bottom end of the inclined steel bar (14) is fixedly connected with the bottom supporting plate (15), the bottom supporting plate (15) is fixed on the side surface of the concrete upright post (3), and the top end of the inclined steel bar (14) penetrates through a second through hole (22) of the concrete cross beam (2);

the top support plate (12) is used for connecting the top ends of the vertical steel bars (11) and the top ends of the inclined steel bars (14), and the transverse steel bars (13) are fixed at the bottom of the top support plate (12).

3. A reinforced concrete beam joint according to claim 2, wherein the vertical reinforcement (11), the transverse reinforcement (13) and the diagonal reinforcement (14) are all provided with three, equally spaced apart.

4. A reinforced concrete beam joint according to claim 1, wherein the annular hoop reinforcement assembly (4) comprises reinforcement cages (41) arranged on half frames (42) on both sides of the reinforcement cages (41);

the inner side of the end part of the half frame body (42) is provided with a support plate (43), and the support plates (43) of the two half frame bodies (42) are locked by a fastener (44).

5. A reinforced concrete beam joint according to claim 4, characterized in that the reinforcement cage (41) is sleeved at the end of the concrete beam (2), the concrete beam (2) being further provided with a corresponding annular groove (23).

6. A reinforced concrete beam joint according to claim 4, wherein the top of the concrete column (3) is provided with a positioning groove (31), and the positioning groove (31) is matched with the half frame body (42).