CN107476431B - Built-in circular steel tube concrete column and double concrete beam node - Google Patents
Built-in circular steel tube concrete column and double concrete beam node Download PDFInfo
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- CN107476431B CN107476431B CN201710838285.XA CN201710838285A CN107476431B CN 107476431 B CN107476431 B CN 107476431B CN 201710838285 A CN201710838285 A CN 201710838285A CN 107476431 B CN107476431 B CN 107476431B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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Abstract
The invention discloses a built-in circular steel tube concrete column and double concrete beam node, and relates to a reinforced concrete beam column node, which comprises a concrete column with a built-in circular steel tube, a concrete beam with a built-in steel reinforcement framework, an annular stirrup circumferentially and fixedly arranged on the circular steel tube, an oblique constructional steel bar for connecting the steel reinforcement framework and the annular stirrup, a transverse constructional stirrup for connecting the steel reinforcement framework and the annular stirrup, and a longitudinal constructional steel bar for connecting the oblique constructional steel bar and the annular stirrup; two concrete beams are respectively arranged on two sides of the concrete column, a steel bar framework of the concrete beam is composed of a plurality of pairs of longitudinal bars and beam stirrups surrounding the longitudinal bars, and the longitudinal bars penetrate through the concrete column outside the circular steel tube. The invention avoids the spatial crossing of the circular tube in the column and the frame beam longitudinal bar, simplifies the anchoring measure of the frame beam longitudinal bar in the frame column, improves the force transmission between the beams and the columns, lightens the stress concentration in the force transmission process between the beams and the columns, has simple and easy design and construction, and is beneficial to ensuring the construction quality and reducing the cost.
Description
Technical Field
The invention relates to a reinforced concrete beam-column joint.
Background
Various complex structures and super high-rise structures are more and more, stiff concrete is more and more widely used, and the defects that the traditional steel concrete column joint is exposed, the construction is difficult, the construction speed is slow and the construction quality is not easy to guarantee are paid more attention.
Disclosure of Invention
The invention aims to: the built-in circular steel tube concrete column and double concrete beam node is provided, the spatial crossing of a circular tube and a frame beam longitudinal rib in the column is avoided, the anchoring measure of the frame beam longitudinal rib in the frame column is simplified, the force transfer between the beam columns is improved, the stress concentration in the force transfer process between the beam columns is reduced, the design and construction are simple and easy to implement, and the construction quality is guaranteed, and the cost is reduced.
The purpose of the invention is realized by the following technical scheme:
a node of a concrete column with a built-in circular steel tube and a double concrete beam comprises the concrete column with the built-in circular steel tube, the concrete beam with a built-in steel reinforcement framework, an annular stirrup circumferentially and fixedly arranged on the circular steel tube, an oblique constructional steel bar for connecting the steel reinforcement framework and the annular stirrup, a transverse constructional steel bar for connecting the steel reinforcement framework and the oblique constructional steel bar, and a longitudinal constructional steel bar for connecting the oblique constructional steel bar and the annular stirrup; the two concrete beams are respectively arranged on two sides of the concrete column, a steel bar framework of each concrete beam is composed of a plurality of pairs of longitudinal bars and beam stirrups surrounding the longitudinal bars, and the longitudinal bars penetrate through the concrete column on the outer side of the round steel pipe; the circular steel tube is provided with at least two groups of annular stirrups, each group is provided with at least two rings, one group is close to the top of the circular steel tube, and the other group is close to the bottom of the circular steel tube; the oblique constructional steel bars are at least provided with four groups of oblique constructional steel bars which are respectively symmetrically arranged on two sides of the circular steel tube, one group of oblique constructional steel bars is connected with the annular stirrup close to the top of the circular steel tube, and the other group of oblique constructional steel bars is connected with the annular stirrup close to the bottom of the circular steel tube; each group of oblique constructional steel bars is formed by intersecting two oblique constructional steel bars positioned between the two concrete beams, and after one end of each oblique constructional steel bar is connected with the annular stirrup, each oblique constructional steel bar is respectively connected with a steel bar framework in one concrete beam after being intersected; a plurality of transverse structure stirrups are arranged between the steel reinforcement framework and the oblique structure steel bars on the same side; and a longitudinal structural steel bar is also connected between each oblique structural steel bar and the annular stirrups.
Alternatively, the longitudinal bars are spaced apart and parallel.
Alternatively, the reinforcing cage of the concrete beam has a rectangular cross-section.
Alternatively, the framework of rebars comprises 8 longitudinal bars in total comprising 4 pairs of longitudinal bars, wherein 2 pairs of upper portions and 2 pairs of lower portions of the framework of rebars are provided.
Optionally, two groups of annular stirrups are arranged, wherein one group is close to the top of the circular steel tube, the other group is close to the bottom of the circular steel tube, and each group is provided with two annular stirrups; the slant structure reinforcing bar is equipped with eight groups, and the circular steel tube both sides are equipped with four groups respectively, and correspond the annular stirrup that is close to the circular steel tube top and be equipped with two sets ofly, correspond the annular stirrup that is close to the circular steel tube bottom and be equipped with two sets ofly.
Alternatively, the diagonal structural steel bars and the longitudinal structural steel bars are bent into a [ -shape. In this solution, the basic connection is made by hooking the bent end on another structure.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the present invention, the selection (each non-conflicting selection) and the other selections can be freely combined. The skilled person in the art can understand various combinations according to the prior art and the common general knowledge after understanding the solution of the present invention, and the combinations are all the technical solutions to be protected by the present invention, and are not exhaustive here.
The invention has the beneficial effects that: the double-beam joint is innovatively provided, the spatial crossing of the circular tube in the column and the longitudinal rib of the frame beam is avoided, the anchoring measure of the longitudinal rib of the frame beam in the frame column is simplified, the force transfer between the beam columns is improved, the stress concentration in the force transfer process between the beam columns is reduced, the design and the construction are simple and easy to implement, and the construction quality is guaranteed and the cost is reduced.
Drawings
FIG. 1 is a schematic plan view of an embodiment of the present invention;
FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 1;
FIG. 5 is a schematic three-dimensional structure of an embodiment of the present invention;
in the figure, 1 concrete beam, 2 indulge muscle, 3, roof beam stirrup, 4 concrete column, 5 circular steel tube, 6 annular stirrups, 7 slant constructional reinforcement, 8 vertical constructional reinforcement, 9 horizontal constructional stirrup.
Detailed Description
The invention is further described below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1-5, a node of a concrete column with a built-in circular steel tube and a double concrete beam comprises a concrete column 4 with a built-in circular steel tube 5, a concrete beam 1 with a built-in steel reinforcement framework, an annular stirrup 6 circumferentially and fixedly arranged on the circular steel tube 5, an oblique constructional steel bar 7 connecting the steel reinforcement framework and the annular stirrup 6, a transverse constructional steel bar 9 connecting the steel reinforcement framework and the oblique constructional steel bar 7, and a longitudinal constructional steel bar 8 connecting the oblique constructional steel bar 7 and the annular stirrup 6; the two concrete beams 1 are respectively arranged at two sides of a concrete column 4, a steel bar framework of the concrete beam 1 consists of a plurality of pairs of longitudinal bars 2 and beam stirrups 3 surrounding the longitudinal bars 2, and the longitudinal bars 2 penetrate through the concrete column 4 at the outer side of a circular steel tube 5; at least two groups of annular stirrups 6 are arranged on the circular steel tube 5, each group is provided with at least two channels, one group is close to the top of the circular steel tube 5, and the other group is close to the bottom of the circular steel tube 5; the oblique constructional steel bars 7 are at least provided with four groups, which are respectively symmetrically arranged on two sides of the circular steel tube 5, one group of the oblique constructional steel bars is connected with the annular stirrup 6 close to the top of the circular steel tube 5, and the other group of the oblique constructional steel bars is connected with the annular stirrup 6 close to the bottom of the circular steel tube 5; each group of oblique constructional steel bars 7 is formed by intersecting two oblique constructional steel bars 7 positioned between the two concrete beams 1, and after one end of each oblique constructional steel bar 7 is connected with the annular hoop 6, the oblique constructional steel bars are respectively connected with a steel bar framework in one concrete beam 1 after being intersected; a plurality of transverse structural stirrups 9 are arranged between the steel reinforcement framework and the inclined structural steel bars 7 on the same side; and a longitudinal constructional steel bar 8 is also connected between each oblique constructional steel bar 7 and the annular stirrup 6.
Alternatively, as shown in the drawings of the embodiment, the longitudinal bars 2 are parallel at intervals, and the section of the reinforcement cage of the concrete beam is rectangular. The steel reinforcement framework comprises 4 pairs of longitudinal bars 2 and 8 longitudinal bars 2, wherein the upper part of the steel reinforcement framework is 2 pairs, and the lower part of the steel reinforcement framework is 2 pairs. The annular stirrups 6 are provided with two groups, one group is close to the top of the round steel pipe 5, the other group is close to the bottom of the round steel pipe 5, and each group is provided with two annular stirrups 6; the slant constructional steel bar 7 is equipped with eight groups, and 5 both sides of circular steel tube are equipped with four groups respectively, and correspond the annular stirrup 6 that is close to 5 tops of circular steel tube and be equipped with two sets ofly, correspond the annular stirrup 6 that is close to 5 bottoms of circular steel tube and be equipped with two sets ofly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a built-in circular steel tube concrete column and two concrete beam nodes which characterized in that: the concrete column comprises a concrete column with a built-in circular steel tube, a concrete beam with a built-in steel reinforcement framework, an annular stirrup circumferentially fixed on the circular steel tube in a surrounding manner, an oblique constructional steel bar for connecting the steel reinforcement framework and the annular stirrup, a transverse constructional steel bar for connecting the steel reinforcement framework and the oblique constructional steel bar, and a longitudinal constructional steel bar for connecting the oblique constructional steel bar and the annular stirrup; the two concrete beams are respectively arranged at two sides of the concrete column, a steel reinforcement framework of each concrete beam is composed of a plurality of pairs of longitudinal reinforcements and beam stirrups surrounding the longitudinal reinforcements, and the longitudinal reinforcements penetrate through the concrete column at the outer side of the circular steel tube; the circular steel tube is provided with at least two groups of annular stirrups, each group is provided with at least two rings, one group is close to the top of the circular steel tube, and the other group is close to the bottom of the circular steel tube; the oblique constructional steel bars are at least provided with four groups of oblique constructional steel bars which are respectively symmetrically arranged on two sides of the circular steel tube, one group of oblique constructional steel bars is connected with the annular stirrup close to the top of the circular steel tube, and the other group of oblique constructional steel bars is connected with the annular stirrup close to the bottom of the circular steel tube; each group of oblique constructional steel bars is formed by intersecting two oblique constructional steel bars positioned between the two concrete beams, and after one end of each oblique constructional steel bar is connected with the annular stirrup, each oblique constructional steel bar is respectively connected with a steel bar framework in one concrete beam after being intersected; a plurality of transverse structural stirrups are arranged between the steel reinforcement framework and the inclined structural steel bars on the same side; and a longitudinal structural steel bar is also connected between each oblique structural steel bar and the annular stirrups.
2. The built-in round steel tube concrete column and double concrete beam joint as recited in claim 1, wherein: the longitudinal bars are spaced and parallel.
3. The built-in round steel tube concrete column and double concrete beam joint as recited in claim 1, wherein: the section of the steel reinforcement framework of the concrete beam is rectangular.
4. The built-in round steel tube concrete column and double concrete beam joint as recited in claim 1, wherein: the steel reinforcement framework comprises 8 longitudinal bars of 4 pairs of longitudinal bars, wherein 2 pairs of the upper part and 2 pairs of the lower part of the steel reinforcement framework are arranged.
5. The built-in circular steel tube concrete column and double concrete beam joint as recited in claim 1, wherein: the annular stirrups are provided with two groups, one group is close to the top of the circular steel tube, the other group is close to the bottom of the circular steel tube, and each group is provided with two annular stirrups; the slant structure reinforcing bar is equipped with eight groups, and the circular steel tube both sides are equipped with four groups respectively, and correspond the annular stirrup that is close to the circular steel tube top and be equipped with two sets ofly, correspond the annular stirrup that is close to the circular steel tube bottom and be equipped with two sets ofly.
6. The built-in round steel tube concrete column and double concrete beam joint as recited in claim 1, wherein: the oblique structural steel bars and the longitudinal structural steel bars are bent into a [ -shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710838285.XA CN107476431B (en) | 2017-09-18 | 2017-09-18 | Built-in circular steel tube concrete column and double concrete beam node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710838285.XA CN107476431B (en) | 2017-09-18 | 2017-09-18 | Built-in circular steel tube concrete column and double concrete beam node |
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| CN107476431A CN107476431A (en) | 2017-12-15 |
| CN107476431B true CN107476431B (en) | 2023-03-14 |
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| CN201710838285.XA Active CN107476431B (en) | 2017-09-18 | 2017-09-18 | Built-in circular steel tube concrete column and double concrete beam node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108798720B (en) * | 2018-03-30 | 2023-08-01 | 中国建筑股份有限公司 | Anchor grid integrated arch foot reinforcement system for underground engineering arch cover method and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08302902A (en) * | 1995-05-12 | 1996-11-19 | Ohbayashi Corp | Sleeve reinforcing structure |
| CN104032837A (en) * | 2013-03-06 | 2014-09-10 | 刘小斌 | Design and construction for connection node between steel tube-reinforced concrete composite column and reinforced concrete beam |
| CN104831818B (en) * | 2015-04-29 | 2017-07-28 | 国核电力规划设计研究院 | The connecting node of precast reinforced concrete beam and superposed column |
| CN106638989B (en) * | 2017-02-16 | 2022-09-09 | 中国建筑设计研究院有限公司 | Steel-pipe column and reinforced concrete column add conversion node of roof beam and contain its building |
| CN107035003B (en) * | 2017-05-31 | 2023-06-13 | 中建六局安装工程有限公司 | Steel pipe superposed column and concrete beam steel bar connecting device and using method |
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