CN109235638B - Anti-seismic prefabricated beam-column joint for prefabricated building and construction method thereof - Google Patents

Anti-seismic prefabricated beam-column joint for prefabricated building and construction method thereof Download PDF

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Publication number
CN109235638B
CN109235638B CN201811232848.1A CN201811232848A CN109235638B CN 109235638 B CN109235638 B CN 109235638B CN 201811232848 A CN201811232848 A CN 201811232848A CN 109235638 B CN109235638 B CN 109235638B
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China
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column
precast
prefabricated
node
holes
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CN201811232848.1A
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Chinese (zh)
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CN109235638A (en
Inventor
王虹
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中贤建设集团有限公司
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Publication of CN109235638A publication Critical patent/CN109235638A/en
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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
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • 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
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor

Abstract

The invention discloses an anti-seismic precast beam column node for an assembly type building and a construction method thereof, wherein the anti-seismic precast beam column node comprises a precast column and two precast beams arranged on the side walls of two sides of the precast column, the precast beams are divided into two sections, the two sections comprise a rear section beam and a front section beam arranged at one end of the rear section beam, the rear section beam is arranged in the precast column, nine reinforcing steel bars in square shapes are uniformly distributed from the upper end surface to the lower end surface of the precast column and in the rear section beam, and nine fixing holes corresponding to the nine reinforcing steel bars in the rear section beam are arranged in the front section beam; the outer walls of the two sides of the prefabricated column are respectively provided with a prefabricated groove which is sunken into the prefabricated column, and the bottom surface of each prefabricated groove is rectangular; a triangular platform assembly in a triangular shape is arranged at a node below the connection part of the prefabricated column and the rear section beam; and angle steel is arranged at the node above the connection part of the prefabricated column and the rear section beam. The invention is convenient to install and can effectively absorb shock for buildings.

Description

Anti-seismic prefabricated beam-column joint for prefabricated building and construction method thereof

Technical Field

The invention relates to the field of building nodes, in particular to an anti-seismic prefabricated beam-column node for an assembly type building and a construction method thereof.

Background

With the rapid development of economy in China, the living standard of people is continuously improved, and the requirements on buildings are increasingly improved. At present, building systems such as prefabricated concrete structures, steel structures and the like suitable for industrial production are widely popularized in the industry, the development of prefabrication and assembly technologies of construction projects is accelerated, and the building industrialization technology integration level is improved.

However, the node connection form of the prefabricated concrete structure is complicated, and most of the shock absorption effects are not ideal. At present, the main connection node forms need steel bars to be bound on site and concrete to be poured, scaffolds, templates and the like are needed, hidden dangers are brought to the quality of the nodes, the requirements on construction technology are high, and the use of precast concrete members is limited to a certain extent. Except the node of on-spot ligature reinforcing bar, also have some other forms connected node, for example adopt at the pre-buried shaped steel of concrete beam column nodal area, connect the beam column through the prestressing force steel strand wires, this kind of structure also needs scaffold frame or other auxiliary facilities to hoist precast beam, treats that prestressing force steel strand wires play the effect completely the dismountable scaffold frame in rear or auxiliary facilities, greatly reduced construction speed, consequently design one kind can strengthen shock attenuation effect and simple to operate's prefabricated assembled concrete structure.

Disclosure of Invention

The invention provides an anti-seismic prefabricated beam-column joint for an assembly type building and a construction method thereof, which can effectively solve the technical problems in the background.

In order to achieve the above purpose, the invention provides the following technical scheme:

an anti-seismic precast beam column node for an assembly type building and a construction method thereof comprise a precast column and two precast beams arranged on the side walls of two sides of the precast column, wherein the precast beams are divided into two sections and comprise a rear section beam and a front section beam arranged at one end of the rear section beam, the rear section beam is arranged in the precast column, nine reinforcing steel bars in a square shape are uniformly distributed from the upper end surface to the lower end surface of the precast column and in the rear section beam, and nine fixing holes corresponding to the nine reinforcing steel bars in the rear section beam are arranged in the front section beam; the outer walls of the two sides of the prefabricated column are respectively provided with a prefabricated groove which is sunken into the prefabricated column, the bottom surface of each prefabricated groove is rectangular, and each prefabricated groove is provided with an elastic plate; a triangular platform assembly in a triangular shape is arranged at a node below the connection part of the prefabricated column and the rear section beam; an angle steel is arranged at a node above the connection part of the prefabricated column and the rear section beam, and the two sides of the angle steel are respectively and stably fixed to the prefabricated column and the rear section beam through tooth-shaped bolts.

Preferably, H-shaped steel is further arranged between the front section beam and the rear section beam and further stabilizes the front section beam and the rear section beam.

Preferably, the upper flange plate and the lower flange plate at one end of the H-shaped steel are provided with through holes which are aligned with each other.

Preferably, the front section beam is provided with a through hole extending from the upper end surface to the inside of the front section beam at one end.

Preferably, the through hole is aligned with the through hole, and a high-strength bolt is driven between the through hole and the through hole.

Preferably, the triangular platform component comprises a first angular platform and a second angular platform which are all triangular and respectively fixed on the side wall of the prefabricated column and the lower end face of the rear section beam, and the first angular platform and the second angular platform are connected through elastic pieces.

Preferably, the elastic member comprises a spring and an iron column arranged in the spring.

Preferably, nine steel bars in the prefabricated column are all fastened through stirrups.

Preferably, the other ends of the two rear section beams are provided with nine reinforcing steel bar holes corresponding to the nine reinforcing steel bars in the prefabricated column.

On the other hand, the anti-seismic precast beam-column joint for the fabricated building and the construction method thereof comprise the following construction methods:

the method comprises the following steps: the method comprises the steps that nine holes are preset in a precast column and nine corresponding holes which are aligned with each other are preset in one end of a rear section beam;

step two: nine steel bars and H-shaped steel are embedded at the other end of the rear section beam, nine fixing holes corresponding to the nine steel bars of the rear section beam are preset in the front section beam, and H-shaped holes are preset among the nine fixing holes;

step three: the method comprises the following steps of firstly, installing rear-section beams in a prefabricated column, installing nine reinforcing steel bars in nine holes in the prefabricated column, connecting the nine reinforcing steel bars with two rear-section beams, and pouring concrete in the nine holes in the prefabricated column;

step four: and angle steel and a triangular platform assembly are respectively installed at the upper and lower nodes of the prefabricated column connected with the rear section beam.

The invention has the beneficial effects that:

the angle steel can effectively perform the stability function between the prefabricated column and the rear section beam; the triangular platform can effectively absorb shock between the prefabricated column and the rear section beam; the elastic plate is arranged in the prefabricated groove, so that the prefabricated column can be effectively and further damped; through the H shaped steel that sets up, can effectual fixed back end roof beam and anterior segment roof beam. The invention is convenient to install and can effectively absorb shock for buildings.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1: the invention has a schematic structure.

FIG. 2: side view of the inventive precast column.

FIG. 3: the invention discloses a rear section beam structure schematic diagram.

FIG. 4: the angle steel structure is schematic.

FIG. 5: the invention discloses a triangular platform assembly structure schematic diagram.

FIG. 6: the structure of the elastic piece of the invention is schematically shown

FIG. 7: the invention discloses a structural schematic diagram of H-shaped steel.

In the figure: 1. prefabricated post, 2, prefabricated beam, 11, reinforcing steel bar, 12, prefabricated groove, 13, triangular platform assembly, 14, angle steel, 15, tooth bolt, 16, first corner platform, 17, second corner platform, 18, elastic piece, 21, rear section beam, 22, front section beam, 23, H-shaped steel, 24, through hole, 25 and strength bolt.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 7, an earthquake-resistant precast beam column node for an assembly type building and a construction method thereof include a precast column 1 and two precast beams 2 installed on both side walls of the precast column 1, the precast beams 2 are divided into two sections including a rear section beam 21 and a front section beam 22 installed at one end of the rear section beam 21, and the rear section beam 21 is installed in the precast column 1.

Nine reinforcing steel bars 11 in a square shape are uniformly distributed in the prefabricated column 1 from the upper end face to the lower end face and the rear section beam, nine reinforcing steel bar holes corresponding to the nine reinforcing steel bars 11 in the prefabricated column 1 are formed in the other ends of the two rear section beams 21, the rear section beam 21 is installed in the prefabricated column, the nine reinforcing steel bars in the prefabricated column 1 are connected with the rear section beam 21, and the nine reinforcing steel bars 11 in the prefabricated column 1 are fastened through stirrups.

Set up nine fixed orificess corresponding with nine reinforcing bars in the back end roof beam 21 in the anterior segment roof beam 22, still be provided with H shaped steel 23 between anterior segment roof beam 22 and the back end roof beam 21, two upper and lower flange plates of H shaped steel 23 one end all are provided with the through-hole 24 that aligns each other, because anterior segment roof beam 22 serves and is provided with the perforation that extends from the up end to anterior segment roof beam 22 in, consequently on the basis that through-hole 24 aligns with the perforation, high strength bolt 25 is squeezed into between through-hole 24 and the perforation and further fixed back end roof beam 21 and anterior segment roof beam 22.

All be provided with on the both sides outer wall of precast column 1 to the interior sunken prefabricated groove 12 of precast column 1, the bottom surface of prefabricated groove 12 sets up to the rectangle, and prefabricated groove 12 installation elastic plate, therefore precast column 1 has the effect of antidetonation decompression.

The node of the below that prefabricated post 1 and back end beam 21 are connected is provided with the triangular platform subassembly 13 of triangle shape, triangular platform subassembly 13 is including being the triangle shape and fixing respectively at first corner platform 16, the second corner platform 17 of terminal surface under prefabricated post 1 lateral wall and back end beam 21, first corner platform 16, the second corner platform 17 is connected through bullet piece 18, bullet piece 18 is including the spring and set up the iron prop in the spring, consequently has good shock attenuation effect between whole prefabricated beam 2 and the prefabricated post.

An angle steel 14 is arranged at a node above the connection part of the prefabricated column and the rear section beam 21, and two sides of the angle steel 14 are respectively and stably fixed on the prefabricated column 1 and the rear section beam 21 through tooth-shaped bolts 15.

Based on the anti-seismic precast beam column node for the fabricated building and the construction method thereof, the construction method further comprises the following steps:

the method comprises the following steps: the method comprises the steps that nine holes are preset in a precast column 1, and nine holes which are aligned with each other are preset in one end of a rear section beam 21 correspondingly;

step two: nine reinforcing steel bars 11 and H-shaped steel 23 are embedded at the other end of the rear section beam 21, nine fixing holes corresponding to the nine reinforcing steel bars 11 of the rear section beam 22 are preset in the front section beam 22, and H-shaped holes are preset among the nine fixing holes;

step three: firstly, mounting the rear section beam 21 in the prefabricated column 1, mounting nine reinforcing steel bars 11 in nine holes in the prefabricated column 1, connecting the nine reinforcing steel bars 11 with the two rear section beams 21, and pouring concrete in the nine holes in the prefabricated column 1;

step four: and angle steel 14 and a triangular platform assembly 13 are respectively arranged at the upper and lower nodes of the prefabricated column 1 connected with the rear section beam 22.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.

Claims (10)

1. The utility model provides an antidetonation precast beam post node for prefabricated building, includes precast column (1) and installs two precast beams (2) on the both sides lateral wall of precast column (1), its characterized in that: the precast beam (2) is divided into two sections and comprises a rear section beam (21) and a front section beam (22) arranged at one end of the rear section beam (21), the rear section beam (21) is arranged in the precast column (1), nine reinforcing steel bars (11) in a square shape are uniformly distributed from the upper end surface to the lower end surface of the precast column (1) and in the rear section beam, and nine fixing holes corresponding to the nine reinforcing steel bars in the rear section beam (21) are formed in the front section beam (22); the outer walls of two sides of the precast column (1) are respectively provided with a precast groove (12) which is sunken into the precast column (1), the bottom surface of each precast groove (12) is rectangular, and each precast groove (12) is provided with an elastic plate; a triangular platform assembly (13) in a triangular shape is arranged at a node below the connection part of the precast column (1) and the rear section beam (21); an angle steel (14) is arranged at a node above the connection part of the prefabricated column and the rear section beam (21), and two sides of the angle steel (14) are respectively and stably fixed on the prefabricated column (1) and the rear section beam (21) through tooth-shaped bolts (15).
2. An earthquake-resistant precast beam column node for fabricated construction according to claim 1, wherein: h-shaped steel (23) is further arranged between the front section beam (22) and the rear section beam (21), and the H-shaped steel (23) further stabilizes the front section beam (22) and the rear section beam (21).
3. An earthquake-resistant precast beam column node for fabricated construction according to claim 2, wherein: and the upper flange plate and the lower flange plate at one end of the H-shaped steel (23) are provided with through holes (24) which are aligned with each other.
4. An earthquake-resistant precast beam column node for fabricated construction according to claim 3, wherein: one end of the front section beam (22) is provided with a through hole extending from the upper end surface to the inside of the front section beam (22).
5. An earthquake-resistant precast beam column node for fabricated construction according to claim 4, wherein: the through hole (24) is aligned with the through hole, and a high-strength bolt (25) is driven between the through hole (24) and the through hole.
6. An earthquake-resistant precast beam column node for fabricated construction according to claim 1, wherein: triangular platform subassembly (13) are including being the triangle shape and fixing first corner platform (16), second corner platform (17) at prefabricated post (1) lateral wall and rear segment roof beam (21) lower terminal surface respectively, first corner platform (16), second corner platform (17) are connected through bullet piece (18).
7. An earthquake-resistant precast beam column node for fabricated construction according to claim 6, wherein: the elastic piece (18) comprises a spring and an iron column arranged in the spring.
8. An earthquake-resistant precast beam column node for fabricated construction according to claim 1, wherein: nine reinforcing bars (11) in the prefabricated column (1) are all fastened through stirrups.
9. An earthquake-resistant precast beam column node for fabricated construction according to claim 1, wherein: and nine reinforcing steel bar holes corresponding to the nine reinforcing steel bars (11) in the prefabricated column (1) are formed in the other ends of the two rear section beams (21).
10. A construction method of an earthquake-resistant precast beam column node for prefabricated construction according to any one of claims 1 to 9, wherein: the construction method comprises the following steps:
the method comprises the following steps: nine holes are preset in the precast column (1) and nine corresponding holes which are respectively aligned are preset in one end of the rear section beam (21);
step two: nine steel bars (11) and H-shaped steel (23) are embedded at the other end of the rear section beam (21), nine fixing holes corresponding to the nine steel bars (11) of the rear section beam (22) are preset in the front section beam (22), and H-shaped holes are preset among the nine fixing holes;
step three: firstly, mounting the rear section beams (21) in the prefabricated column (1), mounting nine reinforcing steel bars (11) in nine holes in the prefabricated column (1), connecting the nine reinforcing steel bars (11) with the two rear section beams (21), and pouring concrete in the nine holes in the prefabricated column (1);
step four: and angle steel (14) and a triangular platform assembly (13) are respectively arranged at the upper and lower nodes of the prefabricated column (1) connected with the rear section beam (22).
CN201811232848.1A 2018-10-23 2018-10-23 Anti-seismic prefabricated beam-column joint for prefabricated building and construction method thereof CN109235638B (en)

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CN201811232848.1A CN109235638B (en) 2018-10-23 2018-10-23 Anti-seismic prefabricated beam-column joint for prefabricated building and construction method thereof

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CN109235638B true CN109235638B (en) 2020-05-05

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US5561956A (en) * 1993-11-01 1996-10-08 Robert E. Englekirk Concrete elements and connectors therefor
CN201334731Y (en) * 2008-12-17 2009-10-28 贵阳铝镁设计研究院 Connecting structure of supporting member and hinged girder
JP2010156183A (en) * 2009-01-05 2010-07-15 Takenaka Komuten Co Ltd Column wall member, column wall structure, building having the column wall structure, and method for manufacturing the column wall member
WO2013002626A1 (en) * 2011-06-29 2013-01-03 Lopez Colinas Bruno Structural system comprising steel nodes and reinforced-concrete columns and beams
CN202969585U (en) * 2012-11-28 2013-06-05 福建工程学院 Reinforced concrete frame node
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CN103104041A (en) * 2013-03-08 2013-05-15 郑州大学 Assembled framework beam-column joint adopting transverse connection and construction method thereof
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CN107254937A (en) * 2017-08-07 2017-10-17 北京工业大学 A kind of assembled power consumption girder connection of built-in X-shaped low-yield structural steel connecting member

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