CN113136947A - Adopt shaped steel concrete column frame construction that parallel two roof beams are connected - Google Patents
Adopt shaped steel concrete column frame construction that parallel two roof beams are connected Download PDFInfo
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- CN113136947A CN113136947A CN202110512489.0A CN202110512489A CN113136947A CN 113136947 A CN113136947 A CN 113136947A CN 202110512489 A CN202110512489 A CN 202110512489A CN 113136947 A CN113136947 A CN 113136947A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 183
- 239000010959 steel Substances 0.000 title claims abstract description 183
- 239000004567 concrete Substances 0.000 title claims abstract description 71
- 238000010276 construction Methods 0.000 title claims description 39
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 73
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000004873 anchoring Methods 0.000 description 8
- 229910000746 Structural steel Inorganic materials 0.000 description 6
- 238000010008 shearing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to the technical field of building concrete frame structures, and particularly relates to a section steel concrete column frame structure adopting parallel double-beam connection. The technical scheme is as follows: a section steel concrete column frame structure adopting parallel double-beam connection comprises a plurality of section steel concrete columns and a plurality of reinforced concrete columns, wherein parallel double beams are connected between every two adjacent section steel concrete columns and between each section steel concrete column and each reinforced concrete column; the longitudinal steel bars of the parallel double beams are staggered with the section steel of the section steel concrete column, and the longitudinal steel bars of the parallel double beams penetrate through the concrete layer of the section steel concrete column; the top of the reinforced concrete column is provided with a column cap, and the parallel double beams between the reinforced concrete column and the reinforced concrete column are connected with the column cap. The invention provides a steel reinforced concrete column frame structure which adopts parallel double-beam connection to ensure direct force transmission.
Description
Technical Field
The invention belongs to the technical field of building concrete frame structures, and particularly relates to a section steel concrete column frame structure adopting parallel double-beam connection.
Background
The frame structure adopting the profile steel concrete column is widely applied, but the profile steel concrete column contains profile steel, and when the profile steel concrete column is intersected with a reinforced concrete beam, a steel bar in the beam can collide with column profile steel. In the prior art, a connecting steel plate is arranged on column section steel, and then a steel bar in a beam is connected to the connecting steel plate.
The method connects the beam steel bars to the column steel bars through the connecting steel plates, the structure is complex, and force transmission is indirect. The connecting process needs to weld the reinforcing steel bars one by one on site, the process is complex, and the construction period is prolonged. In addition, the site operation surface of the beam column node is narrow and narrow, and the construction quality is difficult to guarantee.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a steel reinforced concrete column frame structure which adopts parallel double-beam connection to ensure direct force transmission.
The technical scheme adopted by the invention is as follows:
a section steel concrete column frame structure adopting parallel double-beam connection comprises a plurality of section steel concrete columns and a plurality of reinforced concrete columns, wherein parallel double beams are connected between every two adjacent section steel concrete columns and between each section steel concrete column and each reinforced concrete column; the longitudinal steel bars of the parallel double beams are staggered with the section steel of the section steel concrete column, the longitudinal steel bars of the parallel double beams penetrate through the concrete layer of the section steel concrete column, a column cap is arranged at the top of the section steel concrete column, and the parallel double beams between the section steel concrete column and the section steel concrete column are connected with the column cap.
The beams connected with the profile steel concrete column are both reinforced concrete parallel double beams, the longitudinal steel bars of the parallel double beams are staggered with the profile steel of the profile steel concrete column, and the condition that the steel bars collide with the profile steel when the reinforced concrete beams are connected in the prior art is avoided. The longitudinal steel bars of the parallel double beams penetrate through the concrete layer of the steel reinforced concrete column, the parallel double beams directly transfer force at the steel reinforced concrete column, and the problem of undefined force transfer when connecting plates are adopted for connection is avoided. The column cap is arranged on the top of the reinforced concrete column, and the internal force of the parallel double beams is transmitted to the reinforced concrete column through the column cap. When the parallel double beams are adopted for connection, the structure of the joint is simple, and the construction is convenient. And adjacent reinforced concrete columns are connected through a conventional single beam. The frame structure is suitable for mixed arrangement of the section steel concrete column and the reinforced concrete column, and has strong adaptability and wide application.
As a preferable aspect of the present invention, the width of the parallel double beam satisfies: a ═ C-B)/2; wherein, A is the width of the single beam of the parallel double-beam, C is the width of the steel reinforced concrete column, and B is the width of the section steel. At the moment, all the steel bars of the parallel double beams avoid the section steel of the section steel concrete column, all pass through the section steel concrete column, the steel bars are not bent, and the force transmission of the steel bars is direct and the construction is convenient.
As a preferable aspect of the present invention, the width of the parallel double beam satisfies: a ═ C-B)/2+ δ; the reinforcing steel bars on one side of the parallel double beams, which is close to the section steel, enter the column, then are bent outwards, extend to the column side on the other side of the section steel concrete column, and then are anchored downwards; wherein A is the width of a single beam of a parallel double beam, C is the width of a section steel concrete column, B is the width of the section steel, and delta is less than A/6. As another scheme, the width of the single beam of the parallel double beams is increased, and by means of a small amount of steel bar bending and anchoring, the connection reliability of the parallel double beams and the profile steel concrete column is guaranteed, meanwhile, the steel bars and the profile steel in the profile steel concrete column are avoided, the bearing capacity of the parallel double beams is higher, and construction is convenient.
As a preferable aspect of the present invention, the width of the cap satisfies: d ═ 2A + E; wherein D is the width of the cap, A is the width of the single beam of the parallel double beam, E is the width of the reinforced concrete column. The width of the column cap is matched with the parallel double beams, so that the longitudinal steel bars of the parallel double beams can be effectively anchored in the column cap, and the construction is convenient.
In a preferred embodiment of the present invention, the reinforcement of the cap includes a cap longitudinal reinforcement and a cap hoop reinforcement. The column cap longitudinal ribs are distributed in the column cap to resist the shearing force transmitted to the column cap by the parallel double beams and the torque transmitted to the column cap by the parallel double beams. The column cap stirrup is arranged on the outer side of the column cap longitudinal rib and resists the torque transmitted to the column cap by the parallel double beams together with the column cap longitudinal rib. The column cap longitudinal bars and the column cap stirrups jointly transmit the beam-end internal force of the parallel double beams to the frame column through the column cap, and the structure is simple and convenient.
In a preferred embodiment of the present invention, the longitudinal ribs of the cap are overlapped. The column cap longitudinal ribs are U-shaped, and the two column cap longitudinal ribs are directly lapped together.
As a preferred scheme of the invention, a reinforced node is arranged at the end part of the parallel double beams between two adjacent steel reinforced concrete columns, and the reinforced node is positioned between two single beams of the parallel double beams. When the beam ends of the parallel double beams have larger shearing force and the conventional section can not meet the shearing resistance requirement, a reinforcing node can be arranged at the end part with larger shearing force. And determining the length range of the shear-resisting reinforcing region according to calculation. The reinforcing node is positioned between the parallel double beams, and the requirement of the building design on the beam bottom space of the parallel double beams is not influenced. And in the reinforcing area range, the double beams are cast together with the same-grade concrete.
According to the preferable scheme of the invention, the transverse construction steel bars and the longitudinal construction steel bars are arranged in the reinforcing nodes, the end parts of the transverse construction steel bars extend into the parallel double beams for anchoring, the end parts of the longitudinal construction steel bars extend into the section steel concrete columns for anchoring, and the other ends of the longitudinal construction steel bars are bent for anchoring. Through setting up horizontal tectonic reinforcing bar and vertical tectonic reinforcing bar, guarantee to strengthen the node and reliably connect, improve the shear resistance of strengthening the node.
As a preferable scheme of the invention, the diameter of the transverse construction steel bar is not less than 8mm, and the distance between adjacent transverse construction steel bars is not more than 300 mm. The diameter of the longitudinal construction steel bars is not less than 10mm, and the distance between the adjacent longitudinal construction steel bars is not more than 200 mm. When calculation needs, the longitudinal construction steel bars can also be used as beam end torsion resistant steel bars, and the size of the steel bars is determined by beam end torsion resistant calculation. As a preferable scheme of the invention, the width of a single beam of the parallel double beams is not less than 250 mm.
The invention has the beneficial effects that:
1. according to the concrete layer of the parallel double-beam longitudinal steel bar through type steel concrete column, the parallel double beams directly transmit force at the type steel concrete column, and the problem of indirect force transmission when connecting plates are adopted for connection is avoided.
2. The beams connected with the steel reinforced concrete column are reinforced concrete parallel double beams, longitudinal steel bars of the parallel double beams are staggered with the section steel of the steel reinforced concrete column, and the condition that the steel bars collide with the section steel when the reinforced concrete beams are connected is avoided.
3. The parallel double beams are connected with the reinforced concrete column through the column caps, internal force of the parallel double beams is transmitted to the reinforced concrete column through the column cap longitudinal bars and the stirrups, force transmission is clear, and the structure is simple.
4. The invention adopts the parallel double-beam connection, the structure of the joint is simple, and the construction is convenient. The frame structure is suitable for mixed arrangement of the section steel concrete column and the reinforced concrete column, and has strong adaptability and wide application.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic structural view of a first arrangement of parallel double beams and a steel reinforced concrete column;
FIG. 3 is a schematic structural view of a second arrangement of parallel twin beams and a steel reinforced concrete column;
FIG. 4 is a schematic view of the structural arrangement of the parallel double beams with cap and reinforced concrete columns;
FIG. 5 is a schematic view of the arrangement of the steel bars of the parallel double beams with cap and reinforced concrete column;
FIG. 6 is a cross-sectional view of the arrangement of longitudinal steel and stirrups inside the column cap;
FIG. 7 is a schematic drawing-out and lofting view of the column cap longitudinal ribs and column cap stirrups;
FIG. 8 is a schematic view of the structural arrangement of a reinforcing node;
fig. 9 is a cross-sectional view of a reinforced node.
In the figure, a 1-section steel concrete column; 2-a reinforced concrete column; 3-parallel double beams; 4-column cap; 5-a reinforcing node; 6-conventional single beam; 11-section steel; 12-a concrete layer; 31-longitudinal steel bars; 41-column cap longitudinal ribs; 42-column cap stirrup; 51-transverse construction steel bars; 52-longitudinal construction of the steel reinforcement.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, the structural steel reinforced concrete column frame structure adopting the parallel double-beam connection of the embodiment includes a plurality of structural steel reinforced concrete columns 1 and a plurality of reinforced concrete columns 2, and parallel double beams 3 are connected between two adjacent structural steel reinforced concrete columns 1 and between the structural steel reinforced concrete columns 1 and the reinforced concrete columns 2; the longitudinal steel bars 31 of the parallel double beams 3 are staggered with the section steel 11 of the section steel concrete column 1, the longitudinal steel bars 31 of the parallel double beams 3 penetrate through the concrete layer 12 of the section steel concrete column 1, the top of the reinforced concrete column 2 is provided with a column cap 4, and the parallel double beams 3 between the section steel concrete column 1 and the reinforced concrete column 2 are connected with the column cap 4. The adjacent reinforced concrete columns 2 are connected through a conventional single beam 6. The single beam width of the parallel double beams 3 is not less than 250 mm.
The beams connected with the steel reinforced concrete column 1 are the reinforced concrete parallel double beams 3, the longitudinal steel bars 31 of the parallel double beams 3 are staggered with the section steel 11 of the steel reinforced concrete column 1, and the condition that the steel bars collide with the section steel 11 when the reinforced concrete beams are connected in the prior art is avoided. The longitudinal steel bars 31 of the parallel double beams 3 penetrate through the concrete layer 12 of the steel reinforced concrete column 1, and the parallel double beams 3 directly transfer force at the steel reinforced concrete column 1, so that the problem of undefined force transfer when connecting plates are adopted for connection is avoided. The column top of the reinforced concrete column 2 is provided with a column cap 4, and the internal force of the parallel double beams 3 is transmitted to the reinforced concrete column 2 through the column cap 4. When the parallel double beams 3 are adopted for connection, the structure of the joint is simple, and the construction is convenient. The frame structure is suitable for mixed arrangement of the section steel concrete column 1 and the reinforced concrete column 2, and has strong adaptability and wide application.
The connected node of parallel double beam 3 and shaped steel concrete column 1 has two kinds of arrangement methods:
first, as shown in fig. 2, the single beam width of the parallel double beam 3 satisfies: a ═ C-B)/2; wherein, A is the width of a single beam of the parallel double beams 3, C is the width of the section steel concrete column 1, and B is the width of the section steel 11. At this time, all the steel bars of the parallel double beams 3 avoid the section steel 11 of the section steel concrete column 1, all pass through the section steel concrete column 1, and the steel bars are not bent. At the moment, the force transmission of the steel bar is direct, and the construction is convenient.
Secondly, as shown in fig. 3, the width of the parallel double beam 3 is as follows: a ═ C-B)/2+ δ; the reinforcing steel bars on one side of the parallel double beams 3 close to the section steel 11 enter the column and then are bent outwards, extend to the column edge on the other side of the section steel concrete column 1 and then are anchored downwards; wherein A is the width of a single beam of the parallel double beams 3, C is the width of the section steel concrete column 1, B is the width of the section steel 11, and delta is less than A/6. The thickness of the single beam of the parallel double-beam 3 is increased, and the mode of bending and anchoring through a small amount of steel bars ensures that the parallel double-beam 3 is connected with the profile steel concrete column 1 and simultaneously realizes the avoidance of the profile steel 11 in the steel bar and the profile steel concrete column 1, so that the bearing capacity of the parallel double-beam 3 is higher and the construction is convenient.
The arrangement mode of the connecting nodes of the parallel double beams 3 and the reinforced concrete column 2 is as follows:
as shown in fig. 4 and 5, the width of the cap 4 satisfies: d ═ 2A + E; wherein D is the width of the column cap 4, A is the width of the single beam of the parallel double beams 3, and E is the width of the reinforced concrete column 2. The width of the column cap 4 is matched with the parallel double beams 3, so that the longitudinal steel bars 31 of the parallel double beams 3 can be effectively anchored in the column cap 4, and the construction is convenient.
The height G of the column cap 4 is determined according to the shear resistance and torsion resistance calculation of the column cap 4 and the section of the reinforced concrete column 2, and is not less than the beam height H.
As shown in fig. 6, the reinforcing bars of the cap 4 include cap longitudinal bars 41 and cap stirrups 42. The column cap longitudinal ribs 41 are distributed in the column cap 4 and resist the shearing force transmitted to the column cap 4 by the parallel double beams 3 and the torque transmitted to the column cap 4 by the parallel double beams 3. The cap stirrups 42 are outside the cap longitudinal ribs 41 and resist the torque transmitted by the parallel double beams 3 to the cap 4. The column cap longitudinal ribs 41 and the column cap stirrups 42 jointly transmit the beam-end internal force of the parallel double beams 3 to the frame column through the column caps 4, and the structure is simple and convenient.
As shown in fig. 7, the cap longitudinal ribs 41 are overlapped with each other. The cap longitudinal ribs 41 are U-shaped, and the two cap longitudinal ribs 41 are directly lapped together.
The shear design value in the shear calculation of the cross sections of the column cap 4 and the reinforced concrete column 2 is the shear of the corresponding side beam end. The torque design value in the anti-torsion calculation of the column cap 4 and the section of the reinforced concrete column 2 is half of the unbalanced bending moment of the beam ends at two ends on one side of the vertical section.
Arrangement mode of the reinforcing nodes 5:
as shown in FIG. 8, a reinforcing node 5 is arranged at the end part of the parallel double-beam 3 between two adjacent steel concrete columns 1, and the reinforcing node 5 is positioned between two single beams of the parallel double-beam 3. When the beam end shear force of the parallel double beams 3 is large and the conventional section can not meet the shear-resistant requirement, a reinforcing node 5 can be arranged at the end part with the large shear force. And determining the length range of the shear-resisting reinforcing region according to calculation. The reinforcing node 5 is positioned between the parallel double beams 3, and the requirement of the building design on the beam bottom space of the parallel double beams 3 is not influenced. And in the reinforcing area range, the double beams are cast together with the same-grade concrete.
As shown in fig. 9, a transverse construction steel bar 51 and a longitudinal construction steel bar 52 are arranged in the reinforcing node 5, an end of the transverse construction steel bar 51 extends into the parallel double beams 3 for anchoring, an end of the longitudinal construction steel bar 52 extends into the steel concrete column 1 for anchoring, and the other end is bent for anchoring. By arranging the transverse structural steel bars 51 and the longitudinal structural steel bars 52, the reinforced node 5 is ensured to be reliably connected, and the shearing resistance of the reinforced node 5 is improved.
Wherein, the diameter of the transverse constructional steel bar 51 is not less than 8mm, and the interval between the adjacent transverse constructional steel bars 51 is not more than 300 mm. The diameter of the longitudinal construction steel bars 52 is not less than 10mm, and the interval between the adjacent longitudinal construction steel bars 52 is not more than 200 mm. The longitudinal structural rebar 52 can also be used as beam-end torsion bar when calculations are needed, where the rebar size is determined by the beam-end torsion calculation.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. A steel reinforced concrete column frame structure adopting parallel double-beam connection is characterized by comprising a plurality of steel reinforced concrete columns (1) and a plurality of reinforced concrete columns (2), wherein parallel double beams (3) are connected between every two adjacent steel reinforced concrete columns (1) and between each steel reinforced concrete column (1) and each reinforced concrete column (2); longitudinal steel bars (31) of the parallel double beams (3) are staggered with section steel (11) of the section steel concrete column (1), the longitudinal steel bars (31) of the parallel double beams (3) penetrate through a concrete layer (12) of the section steel concrete column (1), a column cap (4) is arranged at the top of the section steel concrete column (2), and the parallel double beams (3) between the section steel concrete column (1) and the section steel concrete column (2) are connected with the column cap (4).
2. A steel reinforced concrete column frame structure adopting parallel double beam connection according to claim 1, characterized in that the width of the single beam of the parallel double beam (3) satisfies: a ═ C-B)/2; wherein, A is the width of a single beam of the parallel double beams (3), C is the width of the section steel concrete column (1), and B is the width of the section steel (11).
3. A steel reinforced concrete column frame structure adopting parallel double beam connection according to claim 1, characterized in that the width of the single beam of the parallel double beam (3) satisfies: a ═ C-B)/2+ δ; reinforcing steel bars on one side of the parallel double beams (3) close to the section steel (11) enter the column and then are bent outwards, extend to the column side on the other side of the section steel concrete column (1) and then are anchored downwards; wherein A is the width of a single beam of the parallel double beams (3), C is the width of the section steel concrete column (1), B is the width of the section steel (11), and delta is less than A/6.
4. A steel reinforced concrete column frame structure using parallel double beam connection according to claim 1, characterized in that the width of the column cap (4) satisfies: d ═ 2A + E; wherein D is the width of the column cap (4), A is the width of a single beam of the parallel double beams (3), and E is the width of the reinforced concrete column (2).
5. A section steel concrete column frame structure using parallel double beam connection according to claim 1, characterized in that the reinforcement of the column cap (4) includes column cap longitudinal ribs (41) and column cap stirrups (42).
6. A steel reinforced concrete column frame structure using parallel double beams for connection according to claim 5, wherein the adjacent column cap longitudinal bars (41) are overlapped.
7. A steel reinforced concrete column frame structure adopting parallel double beam connection according to claim 1, characterized in that the end part of the parallel double beam (3) between two adjacent steel reinforced concrete columns (1) is provided with a reinforced node (5), and the reinforced node (5) is positioned between two single beams of the parallel double beam (3).
8. A steel reinforced concrete column frame structure using parallel double beam connection according to claim 1, characterized in that a transverse construction steel bar (51) and a longitudinal construction steel bar (52) are arranged in the reinforcing node (5), the end of the transverse construction steel bar (51) is anchored into the parallel double beam (3), and the end of the longitudinal construction steel bar (52) is anchored into the steel reinforced concrete column (1).
9. A steel reinforced concrete column frame structure with parallel double beam connection according to claim 8, characterized in that the diameter of the transverse construction steel bars (51) is not less than 8mm, and the distance between adjacent transverse construction steel bars (51) is not more than 300 mm.
10. A steel reinforced concrete column frame structure connected by parallel double beams according to claim 8, wherein the diameter of the longitudinal construction steel bars (52) is not less than 10mm, and the interval between the adjacent longitudinal construction steel bars (52) is not more than 200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110512489.0A CN113136947B (en) | 2021-05-11 | 2021-05-11 | Profile steel concrete column frame structure adopting parallel double-beam connection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110512489.0A CN113136947B (en) | 2021-05-11 | 2021-05-11 | Profile steel concrete column frame structure adopting parallel double-beam connection |
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| CN113136947A true CN113136947A (en) | 2021-07-20 |
| CN113136947B CN113136947B (en) | 2024-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934635A (en) * | 2022-06-07 | 2022-08-23 | 西华大学 | Steel bar truss concrete column |
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| GB424585A (en) * | 1933-08-24 | 1935-02-25 | Walter Cyril Cocking | Improvements relating to frame construction for buildings |
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2021
- 2021-05-11 CN CN202110512489.0A patent/CN113136947B/en active Active
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| JP2013014998A (en) * | 2011-07-06 | 2013-01-24 | Junji Hasegawa Architects Inc | Connector and connection structure of double-framed beams using the connector |
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| Publication number | Publication date |
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| CN113136947B (en) | 2024-08-20 |
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