CN109372129A - The novel full assembly concrete frame joint of one kind and its construction method - Google Patents

The novel full assembly concrete frame joint of one kind and its construction method Download PDF

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Publication number
CN109372129A
CN109372129A CN201811323959.3A CN201811323959A CN109372129A CN 109372129 A CN109372129 A CN 109372129A CN 201811323959 A CN201811323959 A CN 201811323959A CN 109372129 A CN109372129 A CN 109372129A
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CN
China
Prior art keywords
precast concrete
steel pipe
variable section
horizontal variable
steel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811323959.3A
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Chinese (zh)
Inventor
陈丽华
陈坤
蒯从伦
阮海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei University of Technology
Anhui Honglu Steel Structure Group Co Ltd
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Hefei University of Technology
Anhui Honglu Steel Structure Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei University of Technology, Anhui Honglu Steel Structure Group Co Ltd filed Critical Hefei University of Technology
Priority to CN201811323959.3A priority Critical patent/CN109372129A/en
Publication of CN109372129A publication Critical patent/CN109372129A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5806Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
    • E04B1/5812Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/293Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; 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)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The present invention relates to a kind of novel full assembly concrete frame joint and its construction methods, including the precast concrete column being vertically arranged, the node region fixing sleeve of the precast concrete column is equipped with the outside steel pipe of rectangle, the two sides of outside steel pipe are welded with horizontal variable section H-type steel, and the two sides of outside steel pipe offer several corresponding through-holes in distributed rectangular, same root is fixed with to drawing reinforcing bar positioned at the inside of two through-holes of the same horizontal linear, to drawing reinforcing bar level-preset in the inside of precast concrete column, and to the both ends difference joint welding of drawing reinforcing bar on the edge of a wing of the horizontal variable section H-type steel of outside steel pipe two sides, horizontal variable section H-type steel is far from outside steel pipe one end and the pre-buried beam-ends H profile steel bolt-weld joint of precast concrete beam.The present invention creatively proposes a kind of novel full assembly concrete frame joint, and the Seismic Behavior is good, and structural integrity is strong, and design is simple and beautiful, is assembled convenient for scene.

Description

The novel full assembly concrete frame joint of one kind and its construction method
Technical field
The present invention relates to building structure technology field, more particularly to a kind of novel full assembly concrete frame joint and its Construction method.
Background technique
With the development of modern industrial technology, China starts to greatly develop assembled architecture, pushes industry restructuring liter Grade.Compared with traditional cast-in-place structural, assembled architecture has construction speed fast, high production efficiency, saves labour, improves building The advantages that quality.But China's assembled architecture is started late, and technology also falls behind relatively, to find out its cause, its restraining factors is to close The node connectivity problem of key, structural integrity and anti-seismic performance are bad, and node construction is not easy.
For prefabricated assembled concrete structural system, the connection type between prefabricated components is assembly concrete One of key problem of structural research.In general, the connection of prefabricated concrete structure prefabricated components can substantially be divided into involvement It connects and 2 kinds of wet connection.In order to guarantee the globality of assembled architecture, the connection type of prefabricated components mainly uses wet company at present It connects, i.e., is anchored in node point connection casting concrete or cement slurry with it when component is connected, form a variety of node types.It is dry The connection type of the i.e. dry operation of connection, not casting concrete when connection, but by the component in connection be implanted into steel plate or its His steel part, is bolted or welds to achieve the purpose that connection, application are relatively fewer.For assembled architecture, not only Need to consider the safety and reliability of assembled architecture node, the convenience for also needing to consider simultaneously to build.Recognized based on this, Efficient and convenient dry connecting node is researched and developed to be of great significance.
Summary of the invention
An object of the present invention is and the novel full assembly of one kind proposed in order to solve disadvantage existing in the prior art Formula concrete frame node.
The second object of the present invention is to provide a kind of construction method of novel full assembly concrete frame joint, thus high Effect easily carries out construction and installation to frame joint.
An object of the present invention is achieved in that a kind of novel full assembly concrete frame joint, including vertical The precast concrete column (3) of setting, the node region fixing sleeve of the precast concrete column (3) are equipped with the outside steel pipe of rectangle (4), the two sides of outside steel pipe (4) are welded with horizontal variable section H-type steel (5), the outside steel pipe (4) and the concrete Earth pillar (3) outer profile size is identical;It is in distributed rectangular that it is corresponding, which to offer several, for the two sides of the outside steel pipe (4) Through-hole, the through-hole for being located at outside steel pipe (4) the same side are respectively positioned on the inside of horizontal variable section H-type steel (5), are located at the same level The inside of two through-holes of straight line is fixed with same root to drawing reinforcing bar (7), and to drawing reinforcing bar (7) level-preset in precast concrete The inside of column (3);The horizontal variable section H-type steel (5) is equipped with horizontal concrete far from the one end of precast concrete column (3) Tu Liang (1), and precast concrete beam (1) is embedded with beam-ends H profile steel (2), beam-ends H-type close to the one end of precast concrete column (3) Steel (2) and horizontal variable section H-type steel (5) use bolt-weld joint.
Preferably, horizontal variable section H-type steel can be arranged in the through-hole positioned at outside steel pipe (4) two sides according to actual needs (5) upside or downside on the edge of a wing.
Preferably, the described pair of through-hole for drawing the both ends of reinforcing bar (7) to pass through outside steel pipe (4) two sides, joint welding is in outsourcing respectively On the edge of a wing of the horizontal variable section H-type steel (5) of steel pipe (4) two sides.
Preferably, the beam-ends H profile steel (2) is including being embedded in the internal web of precast concrete beam (1), and the two of web The equal level in side is welded with multiple pegs (6) for being embedded in precast concrete beam (1) inside.
Preferably, the top of the horizontal variable section H-type steel (5) to the top of outside steel pipe (4) is 150mm, the water The bottom end of flat variable section H-type steel (5) to the bottom end of outside steel pipe (4) is 150mm.
Preferably, the beam-ends H profile steel (2) and horizontal variable section H-type steel (5) exposed parts overall length are not less than 500mm.
Preferably, the connection segment length of the beam-ends H profile steel (2) and precast concrete beam (1) is not less than 15 times of beam longitudinal directions Steel bar stress diameter.
In the present invention, compared with conventional concrete bean column node, the present invention creatively proposes a kind of novel full assembly Formula concrete frame node, each beam column component can factory carry out it is prefabricated, scene by lifted, bolt-weld joint can be formed Concrete frame node, to really realize full assembling.The Seismic Behavior is good, and structural integrity is strong, and design is succinct Beauty is assembled convenient for scene.
The second object of the present invention is to what is be achieved: a kind of construction party of novel full assembly concrete frame joint Method, comprising the following steps:
S1, beam-ends fashioned iron: the weld stud (6) on (2) one end web of beam-ends H profile steel is made, setting on another end web can For bolted bolt hole;
S2, production node fashioned iron: it sets on the narrow edge of a wing end web of horizontal variable section H-type steel (5) for bolted spiral shell Keyhole, the post jamb welding of wide width wing acies and outside steel pipe (4), wherein outside steel pipe (4) post jamb sets for drawing reinforcing bar (7) through-hole passed through, described pair of drawing reinforcing bar (7) pass through through-hole, and joint welding is in the horizontal variable section H-type steel of outside steel pipe (4) two sides (5) the edge of a wing;
S3, binding beam body frame: beam body frame is collectively formed with beam-ends fashioned iron in binding beam longitudinal reinforcement, beam stirrup, In, it is described by one end joint welding of beam longitudinal reinforcement in the edge of a wing of beam-ends H profile steel (2);
S4, binding cylinder frame: cylinder frame is collectively formed with node fashioned iron in binding column longitudinal reinforcement, column tie-bar;
S5, node pour and steam curing: carrying out concreting to beam body frame, cylinder frame respectively and steam is supported Shield, to form precast concrete beam (1), precast concrete column (3);
S6, node splicing: precast concrete column (3), precast concrete beam (1) are lifted by crane and is installed respectively using lifting machine In designated position, bolt-weld joint is carried out to horizontal variable section H-type steel (5) and beam-ends H profile steel (2), so that it is mixed to form full assembled Solidifying soil frame joint.
The present invention utilizes prefabricated beam column component, and when site operation only needs lifting, bolt-weld joint that can form concrete frame Frame node substantially increases construction efficiency to really realize full assembling.
Detailed description of the invention
Fig. 1 is perspective view of the invention;
Fig. 2 is assembling schematic diagram of the invention;
Fig. 3 is front view of the invention;
Fig. 4 is top view of the invention;
Fig. 5 is the front view of the node region in the present invention in precast concrete column;
Fig. 6 is the top view of the node region in the present invention in precast concrete column;
Fig. 7 is the side view of the node region in the present invention in precast concrete column;
Fig. 8 is the sectional view of 1-1 in Fig. 5;
Fig. 9 is construction method flow chart of the present invention.
In figure: 1, precast concrete beam, 2, beam-ends H profile steel, 3, precast concrete column, 4, outside steel pipe, 5, variable cross-section H-type Steel, 6, peg, 7, to draw reinforcing bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1: novel full assembly concrete frame joint.
Referring to Fig.1-8, the present invention includes the precast concrete column 3 being vertically arranged, and the node region of precast concrete column 3 is solid Surely it is set with the outside steel pipe 4 of rectangle, outside steel pipe 4 is identical as 3 outer profile size of precast concrete column.The two of outside steel pipe 4 Side is welded with horizontal variable section H-type steel 5, and it is in distributed rectangular that it is corresponding, which to offer several, for the two sides of outside steel pipe 4 Through-hole, the upside on horizontal 5 edge of a wing of variable section H-type steel can be arranged in the through-hole positioned at 4 two sides of outside steel pipe according to actual needs Or downside.Same root is fixed with to reinforcing bar 7 is drawn, to 7 level of drawing reinforcing bar positioned at the inside of two through-holes of the same horizontal linear It is preset in the inside of precast concrete column 3, and to drawing the both ends of reinforcing bar 7 to pass through the through-hole of 4 two sides of outside steel pipe, joint welding respectively exists On the edge of a wing of the horizontal variable section H-type steel 5 of 4 two sides of outside steel pipe.
Horizontal variable section H-type steel 5 is equipped with horizontally disposed precast concrete beam 1 far from one end of precast concrete column 3, and Precast concrete beam 1 is embedded with beam-ends H profile steel 2, beam-ends H profile steel 2 and horizontal variable cross-section H close to one end of precast concrete column 3 Fashioned iron 5 uses bolt-weld joint.Beam-ends H profile steel 2 includes the web being embedded in inside precast concrete beam 1, and the two sides of web are equal Level is welded with multiple pegs 6 being embedded in inside precast concrete beam 1;The connection of beam-ends H profile steel 2 and precast concrete beam 1 The length of section is not less than 15 times of beam Reinforcement diameters, and the joint welding of beam Reinforcement is in outside the edge of a wing of beam-ends H profile steel 2 Side.Be provided with several bolts hole on web at beam-ends H profile steel 2 and 5 link position of variable section H-type steel, beam-ends H profile steel 2 with The web of variable section H-type steel 5 is by connecting plate and is bolted together, the flange plate of beam-ends H profile steel 2 and variable section H-type steel 5 Weld together.
The length of outside steel pipe 4 is the deck-molding+300mm of horizontal variable section H-type steel 5, the top of horizontal variable section H-type steel 5 It is 150mm to the top of outside steel pipe 4, the bottom end of bottom end to the outside steel pipe 4 of horizontal variable section H-type steel 5 is also 150mm.Beam H profile steel 2 and horizontal 5 exposed parts overall length of variable section H-type steel is held to be not less than 500mm.
Embodiment 2: the construction method of novel full assembly concrete frame joint.
As shown in figure 9, a kind of construction method of novel full assembly concrete frame joint of the present invention includes the following steps:
S1, beam-ends fashioned iron: the weld stud 6 on 2 one end web of beam-ends H profile steel is made, set on another end web for spiral shell Tether the bolt hole connect;
S2, production node fashioned iron: it sets on the narrow edge of a wing end web of horizontal variable section H-type steel 5 for bolted bolt The post jamb of hole, wide width wing acies and outside steel pipe 4 welds, wherein 4 post jamb of outside steel pipe sets to pass through drawing reinforcing bar 7 Through-hole, described pair of drawing reinforcing bar 7 pass through through-hole, and joint welding is in the edge of a wing of the horizontal variable section H-type steel 5 of 4 two sides of outside steel pipe;
S3, binding beam body frame: beam body frame is collectively formed with beam-ends fashioned iron in binding beam longitudinal reinforcement, beam stirrup, In, by one end joint welding of beam longitudinal reinforcement in the edge of a wing of beam-ends H profile steel 2;
S4, binding cylinder frame: cylinder frame is collectively formed with node fashioned iron in binding column longitudinal reinforcement, column tie-bar;
S5, node pour and steam curing: carrying out concreting to beam body frame, cylinder frame respectively and steam is supported Shield, to form precast concrete beam 1, precast concrete column 3;
S6, node splicing: precast concrete column 3, precast concrete beam 1 are lifted by crane respectively using lifting machine and are mounted on finger Positioning is set, and bolt-weld joint is carried out with beam-ends H profile steel 2 to horizontal variable section H-type steel 5, to form full assembly concrete frame Node.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of novel full assembly concrete frame joint, including the precast concrete column (3) being vertically arranged, feature exists In:
Outside steel pipe (4) of the node region fixing sleeve of the precast concrete column (3) equipped with rectangle, the two of outside steel pipe (4) Side is welded with horizontal variable section H-type steel (5), the outside steel pipe (4) and the precast concrete column (3) outer profile size phase Together;
The two sides of the outside steel pipe (4) offer several corresponding through-holes in distributed rectangular, are located at outside steel pipe (4) through-hole of the same side is respectively positioned on the inside of horizontal variable section H-type steel (5), positioned at two through-holes of the same horizontal linear Inside be fixed with same root to draw reinforcing bar (7), and to draw reinforcing bar (7) level-preset precast concrete column (3) inside;It is described Horizontal variable section H-type steel (5) is equipped with horizontal precast concrete beam (1) far from the side of precast concrete column (3), and prefabricated mixed Solidifying Tu Liang (1) is embedded with beam-ends H profile steel (2) close to the one end of precast concrete column (3), beam-ends H profile steel (2) and horizontal variable cross-section H profile steel (5) uses bolt-weld joint.
2. novel full assembly concrete frame joint according to claim 1, which is characterized in that be located at outside steel pipe (4) top or lower part on horizontal variable section H-type steel (5) edge of a wing can be arranged in the through-hole of two sides according to actual needs.
3. novel full assembly concrete frame joint according to claim 2, which is characterized in that described pair of drawing reinforcing bar (7) both ends pass through the through-hole of outside steel pipe (4) two sides, respectively horizontal variable section H-type steel of the joint welding in outside steel pipe (4) two sides (5) on the edge of a wing.
4. novel full assembly concrete frame joint according to claim 1, which is characterized in that the beam-ends H profile steel (2) include be embedded in the internal web of precast concrete beam (1), and the equal level in two sides of web be welded with it is multiple be embedded in it is prefabricated The internal peg (6) of beams of concrete (1).
5. novel full assembly concrete frame joint according to claim 1, which is characterized in that the horizontal variable cross-section The top of H profile steel (5) to the top of outside steel pipe (4) is 150mm, the bottom end of the horizontal variable section H-type steel (5) to Covered with Angles The bottom end for managing (4) is 150mm.
6. novel full assembly concrete frame joint according to claim 1, which is characterized in that the beam-ends H profile steel (2) it is not less than 500mm with horizontal variable section H-type steel (5) exposed parts overall length.
7. novel full assembly concrete frame joint according to claim 1, which is characterized in that the beam-ends H profile steel (2) it is not less than 15 times of beam Reinforcement diameters with the connection segment length of precast concrete beam (1).
8. a kind of construction method of novel full assembly concrete frame joint, which comprises the following steps:
S1, beam-ends fashioned iron: the weld stud (6) on (2) one end web of beam-ends H profile steel is made, set on another end web for spiral shell Tether the bolt hole connect;
S2, production node fashioned iron: setting on the narrow edge of a wing end web of horizontal variable section H-type steel (5) for bolted bolt hole, Wide width wing acies and the post jamb of outside steel pipe (4) weld, wherein outside steel pipe (4) post jamb sets to pass through drawing reinforcing bar (7) Through-hole, described pair of drawing reinforcing bar (7) pass through through-hole, and joint welding is in the wing of the horizontal variable section H-type steel (5) of outside steel pipe (4) two sides Edge;
S3, binding beam body frame: beam body frame is collectively formed with beam-ends fashioned iron, wherein institute in binding beam longitudinal reinforcement, beam stirrup It states one end joint welding of beam longitudinal reinforcement in the edge of a wing of beam-ends H profile steel (2);
S4, binding cylinder frame: cylinder frame is collectively formed with node fashioned iron in binding column longitudinal reinforcement, column tie-bar;
S5, node pour and steam curing: concreting and steam curing are carried out to beam body frame, cylinder frame respectively, from And form precast concrete beam (1), precast concrete column (3);
S6, node splicing: precast concrete column (3), precast concrete beam (1) are lifted by crane respectively using lifting machine and are mounted on finger Positioning is set, and bolt-weld joint is carried out to horizontal variable section H-type steel (5) and beam-ends H profile steel (2), to form full assembly concrete Frame joint.
CN201811323959.3A 2018-11-08 2018-11-08 The novel full assembly concrete frame joint of one kind and its construction method Pending CN109372129A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109914697A (en) * 2019-04-18 2019-06-21 中民筑友房屋科技集团有限公司 A kind of assembling frame structural construction prefabricated post
CN110374205A (en) * 2019-08-09 2019-10-25 昌大建筑科技有限公司 A kind of concrete assembles the construction method of dry construction linked system entirely
CN111255098A (en) * 2020-02-10 2020-06-09 湖南省西城建设有限公司 Concrete-filled steel tubular column and cast-in-place reinforced concrete beam joint and construction method thereof
CN113123458A (en) * 2021-03-06 2021-07-16 河北工业大学 Connecting column type steel connection energy dissipation support frame system and construction method
CN113482152A (en) * 2021-07-02 2021-10-08 湖北工业大学 Assembled steel node
CN113914694A (en) * 2021-10-25 2022-01-11 江西中煤建设集团有限公司 Fabricated concrete beam-column joint and construction method thereof
CN114033033A (en) * 2021-11-13 2022-02-11 华北水利水电大学 Reinforced concrete beam column-profile steel node combined structure and construction method thereof
CN114370126A (en) * 2022-01-27 2022-04-19 浙江大学建筑设计研究院有限公司 Prefabricated unit of assembled hybrid column extension and connected node

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CN203531144U (en) * 2013-09-25 2014-04-09 沈阳工业大学 Telescoping joint of square concrete-filled steel tubular column and steel I-beam
CN105714939A (en) * 2016-04-13 2016-06-29 长安大学 Steel pipe concrete column-steel beam outer separation plate type node structure and construction method thereof
CN108179806A (en) * 2018-02-01 2018-06-19 胡习兵 A kind of complete assembled steel reinforced concrete frame structure system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203531144U (en) * 2013-09-25 2014-04-09 沈阳工业大学 Telescoping joint of square concrete-filled steel tubular column and steel I-beam
CN105714939A (en) * 2016-04-13 2016-06-29 长安大学 Steel pipe concrete column-steel beam outer separation plate type node structure and construction method thereof
CN108179806A (en) * 2018-02-01 2018-06-19 胡习兵 A kind of complete assembled steel reinforced concrete frame structure system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109914697A (en) * 2019-04-18 2019-06-21 中民筑友房屋科技集团有限公司 A kind of assembling frame structural construction prefabricated post
CN109914697B (en) * 2019-04-18 2023-07-14 中民筑友房屋科技集团有限公司 Prefabricated column for assembled frame structure building
CN110374205A (en) * 2019-08-09 2019-10-25 昌大建筑科技有限公司 A kind of concrete assembles the construction method of dry construction linked system entirely
CN111255098A (en) * 2020-02-10 2020-06-09 湖南省西城建设有限公司 Concrete-filled steel tubular column and cast-in-place reinforced concrete beam joint and construction method thereof
CN111255098B (en) * 2020-02-10 2021-09-17 湖南省西城建设有限公司 Concrete-filled steel tubular column and cast-in-place reinforced concrete beam joint and construction method thereof
CN113123458A (en) * 2021-03-06 2021-07-16 河北工业大学 Connecting column type steel connection energy dissipation support frame system and construction method
CN113482152A (en) * 2021-07-02 2021-10-08 湖北工业大学 Assembled steel node
CN113914694A (en) * 2021-10-25 2022-01-11 江西中煤建设集团有限公司 Fabricated concrete beam-column joint and construction method thereof
CN114033033A (en) * 2021-11-13 2022-02-11 华北水利水电大学 Reinforced concrete beam column-profile steel node combined structure and construction method thereof
CN114033033B (en) * 2021-11-13 2024-03-29 华北水利水电大学 Reinforced concrete beam column-section steel node combined structure and construction method thereof
CN114370126A (en) * 2022-01-27 2022-04-19 浙江大学建筑设计研究院有限公司 Prefabricated unit of assembled hybrid column extension and connected node

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