CN214005974U - Reinforced concrete roof beam and steel column's connected node structure - Google Patents
Reinforced concrete roof beam and steel column's connected node structure Download PDFInfo
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- CN214005974U CN214005974U CN202022835971.1U CN202022835971U CN214005974U CN 214005974 U CN214005974 U CN 214005974U CN 202022835971 U CN202022835971 U CN 202022835971U CN 214005974 U CN214005974 U CN 214005974U
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Abstract
The utility model discloses a reinforced concrete beam and steel column connecting node structure, which comprises a steel column and a reinforced concrete beam, wherein a reinforced concrete ring beam is arranged around the side surface of the steel column; the reinforced concrete ring beam comprises ring beam longitudinal surface reinforcing steel bars, ring beam stirrups, ring beam longitudinal bottom reinforcing steel bars and ring beam waist reinforcing steel bars, wherein the ring beam longitudinal surface reinforcing steel bars, the ring beam waist reinforcing steel bars and the ring beam longitudinal bottom reinforcing steel bars are connected through the ring beam stirrups; the reinforced concrete ring beam is connected with the steel column through shear-resistant steel bars and shear-resistant studs. The utility model discloses the node atress is clear, the atress performance is good. The bending moment borne by the reinforced concrete beam is transmitted to the reinforced concrete ring beam through the longitudinal steel bar of the reinforced concrete beam, and then transmitted to the steel column through the reinforced concrete ring beam, and the shearing force borne by the reinforced concrete beam is transmitted to the steel column through the shear-resistant stud and the shear-resistant steel bar after being transmitted to the steel concrete ring beam.
Description
Technical Field
The utility model relates to a reinforced concrete structure field especially relates to a reinforced concrete roof beam and steel column's connected node structure.
Background
In recent years, the application of a multi-layer steel frame structure system in the building industry is more and more extensive, the construction speed of the steel frame is fast, and the green and environment-friendly construction site becomes an object of enthusiasm of building manufacturers. In buildings with basements, the structure of the basements is usually made into a concrete frame system in consideration of construction costs. Because the steel column of main building part need drop to basic top surface, so will appear the phenomenon that concrete beam and steel column are connected. In the conventional connection situation of the steel column and the concrete beam, the problems of complicated field operability, over-ideal node diagram and the like exist. Under the condition, the popularization of the novel joint for connecting the box-type steel column and the concrete beam is imperative.
In the prior art, the connection processing technology of the reinforced concrete beam and the steel column has two types: firstly, welding the steel column according to the anchoring length of the steel bar; and secondly, punching holes and penetrating ribs on the steel columns. These two methods have the following drawbacks: in the first method, the steel bars are directly welded with the steel columns, so that the welding area is increased, the hot brittle area of the steel structure is increased, later-stage reinforcement measures are required, the material is wasted, the construction period is prolonged, and the expenditure of the material and labor cost is increased. In the second method, the steel column is drilled and penetrated with high precision, and the installation precision is also required to be high in the later installation process, otherwise, the probability of hole changing (expanding) is increased in the reinforcement penetrating process, the steel column section is weakened by drilling to influence the stress performance, and later reinforcement measures are also needed, so that the expense is increased, and the construction period is prolonged.
At present, a steel bracket and a straight thread sleeve are adopted to be connected between a reinforced concrete beam and a reinforced concrete column in a switching mode, the steel bracket is welded on a steel column, the straight thread sleeve is welded on the steel bracket, and a concrete beam reinforcing steel bar is screwed into the straight thread sleeve in the later stage, so that the connection between the steel column and the concrete beam reinforcing steel bar is completed. However, the straight threaded sleeve is deformed by heat generated during welding of the straight threaded sleeve to the steel bracket, and it is difficult to screw the reinforcing steel bar into the straight threaded sleeve after the inner thread is deformed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reinforced concrete roof beam and steel column's connected node structure to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:
a connection node structure of a reinforced concrete beam and a steel column comprises the steel column and the reinforced concrete beam, wherein a reinforced concrete ring beam is arranged on the side surface of the steel column in a surrounding mode;
the reinforced concrete ring beam comprises ring beam longitudinal surface reinforcing steel bars, ring beam stirrups, ring beam longitudinal bottom reinforcing steel bars and ring beam waist reinforcing steel bars, wherein the ring beam longitudinal surface reinforcing steel bars, the ring beam waist reinforcing steel bars and the ring beam longitudinal bottom reinforcing steel bars are connected through the ring beam stirrups;
the reinforced concrete ring beam is connected with the steel column through shear-resistant steel bars and shear-resistant studs.
Preferably, the shear steel bars and the shear studs are welded with the steel column.
Preferably, the longitudinal steel bars of the reinforced concrete beam extend into the reinforced concrete ring beam by at least 0.4La and are bent and anchored for 15 d.
Preferably, the width of the reinforced concrete ring beam is at least 0.4 La.
Preferably, the top surface and the bottom surface of the reinforced concrete ring beam are respectively expanded by 200mm compared with the top surface and the bottom surface of the reinforced concrete beam.
Preferably, the ring beam waist ribs are uniformly arranged along the side face of the ring beam.
Preferably, the shear steel bars are distributed along the circumferential direction of the steel column.
Preferably, the shear studs are uniformly arranged in the reinforced concrete ring beam.
The utility model has the advantages that:
1. the node is clear in stress and good in stress performance. The bending moment borne by the reinforced concrete beam is transmitted to the reinforced concrete ring beam through the longitudinal steel bar of the reinforced concrete beam, and then transmitted to the steel column through the reinforced concrete ring beam, and the shearing force borne by the reinforced concrete beam is transmitted to the steel column through the shear-resistant stud and the shear-resistant steel bar after being transmitted to the steel concrete ring beam.
2. Construction is convenient, and the field operability is strong. Through set up the ring beam on the steel column, make reinforced concrete roof beam and steel column be connected and ordinary reinforced concrete beam column node is close, reduced the condition that the steel column was worn to the reinforcing bar in addition, the field operation is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;
reference numerals: 1-steel column; 2-reinforced concrete beam; 3-reinforced concrete ring beam; 4-shear reinforcement; 5-shear resistant studs; 301-ring beam longitudinal face steel bars; 302-ring beam stirrups; 303-longitudinal bottom steel bars of the ring beam; 304-girt wale.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1-2, a reinforced concrete beam and steel column connection node structure includes a steel column 1 and a reinforced concrete beam 2, wherein a reinforced concrete ring beam 3 is arranged around the side surface of the steel column 1; the width of the reinforced concrete ring beam 3 is at least 0.4La, the longitudinal steel bars of the reinforced concrete beam 2 extend into the reinforced concrete ring beam 3 for at least 0.4La and are bent and anchored for 15d, and the top surface and the bottom surface of the reinforced concrete ring beam 3 are respectively expanded by 200mm compared with the top and the bottom of the reinforced concrete beam 2.
The reinforced concrete ring beam 3 comprises ring beam longitudinal surface steel bars 301, ring beam stirrups 302, ring beam longitudinal bottom steel bars 303 and ring beam waist steel bars 304, the ring beam waist steel bars 304 are uniformly arranged along the side surfaces of the ring beam, and the ring beam longitudinal surface steel bars 301, the ring beam waist steel bars 304 and the ring beam longitudinal bottom steel bars 303 are connected through the ring beam stirrups 302; the reinforced concrete ring beam 3 is connected with the steel column 1 through the shear-resistant steel bars 4 and the shear-resistant studs 5, the shear-resistant steel bars 4 and the shear-resistant studs 5 are welded with the steel column 1, the shear-resistant steel bars 4 are distributed along the circumferential direction of the steel column 1, and the shear-resistant studs 5 are uniformly distributed in the reinforced concrete ring beam 3.
The construction process comprises the following steps:
1. when the steel column 1 is processed, welding shear steel bars 4 and shear studs 5 at the positions of the connecting reinforced concrete beams 2;
2. determining the steel bars of the reinforced concrete ring beam 3, wherein the areas of the steel bars 301 on the longitudinal surface of the ring beam and the longitudinal bottom bars 303 are not smaller than the gluten and the bottom bar parts of the longitudinal steel bars of the reinforced concrete beam respectively, the area of the hoop reinforcement 302 of the ring beam is not smaller than the hoop reinforcement of the reinforced concrete beam, and the steel bars 301 on the longitudinal surface of the reinforced concrete ring beam 3, the hoop reinforcement 304 of the ring beam and the hoop reinforcement 302 of the ring beam are bound;
3. determining the size of a reinforced concrete ring beam 3, wherein the beam width is at least 0.4La, and the top surface and the bottom surface of the reinforced concrete ring beam are respectively expanded by 200mm compared with the top and the bottom of the reinforced concrete ring beam 2;
4. erecting a formwork on a construction site;
5. binding reinforced concrete ring beam steel bars;
6. binding the longitudinal steel bars 2 of the reinforced concrete beam connected to the reinforced concrete ring beam 3, naturally bending the longitudinal steel bars to avoid the steel columns and straightening the opposite side of the ring beam for anchoring, anchoring the longitudinal steel bars which cannot be avoided into the reinforced concrete ring beam 3 by at least 0.4La, and bending and anchoring for 15 d;
7. and (3) pouring reinforced concrete, wherein the strength grade of the reinforced concrete ring beam 3 is the same as that of the reinforced concrete beam 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a connected node structure of reinforced concrete roof beam and steel column, includes steel column (1) and reinforced concrete roof beam (2), its characterized in that: the side surface of the steel column (1) is provided with a reinforced concrete ring beam (3) in a surrounding manner;
the reinforced concrete ring beam (3) comprises ring beam longitudinal surface steel bars (301), ring beam stirrups (302), ring beam longitudinal bottom steel bars (303) and ring beam waist steel bars (304), and the ring beam longitudinal surface steel bars (301), the ring beam waist steel bars (304) and the ring beam longitudinal bottom steel bars (303) are connected through the ring beam stirrups (302);
the reinforced concrete ring beam (3) is connected with the steel column (1) through shear-resistant steel bars (4) and shear-resistant studs (5).
2. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: the shear-resistant steel bars (4) and the shear-resistant studs (5) are welded with the steel column (1).
3. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: longitudinal steel bars of the reinforced concrete beam (2) extend into the reinforced concrete ring beam (3) by at least 0.4La and are bent and anchored for 15 d.
4. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: the width of the reinforced concrete ring beam (3) is at least 0.4 La.
5. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: the top surface and the bottom surface of the reinforced concrete ring beam (3) are respectively expanded by 200mm compared with the top and the bottom of the reinforced concrete beam (2).
6. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: the ring beam waist ribs (304) are positioned on the side faces of the ring beam and are uniformly arranged on the side, close to the steel column, of the ring beam and the side, far away from the steel column, of the ring beam.
7. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: the shear steel bars (4) are distributed along the circumferential direction of the steel column (1).
8. A reinforced concrete beam and steel column connecting joint structure according to claim 1, wherein: the shear resistant studs (5) are uniformly arranged in the reinforced concrete ring beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835971.1U CN214005974U (en) | 2020-12-01 | 2020-12-01 | Reinforced concrete roof beam and steel column's connected node structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835971.1U CN214005974U (en) | 2020-12-01 | 2020-12-01 | Reinforced concrete roof beam and steel column's connected node structure |
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| CN214005974U true CN214005974U (en) | 2021-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324201A (en) * | 2022-08-17 | 2022-11-11 | 中建一局集团建设发展有限公司 | Steel structure beam column and concrete ring beam combined system and construction method thereof |
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2020
- 2020-12-01 CN CN202022835971.1U patent/CN214005974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324201A (en) * | 2022-08-17 | 2022-11-11 | 中建一局集团建设发展有限公司 | Steel structure beam column and concrete ring beam combined system and construction method thereof |
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