CN116378206A - Prefabricated assembled frame post beam column node - Google Patents

Prefabricated assembled frame post beam column node Download PDF

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Publication number
CN116378206A
CN116378206A CN202211671345.0A CN202211671345A CN116378206A CN 116378206 A CN116378206 A CN 116378206A CN 202211671345 A CN202211671345 A CN 202211671345A CN 116378206 A CN116378206 A CN 116378206A
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CN
China
Prior art keywords
column
prefabricated
sleeve
steel pipe
longitudinal ribs
Prior art date
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
CN202211671345.0A
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Chinese (zh)
Inventor
陈云
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Hainan University
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Hainan University
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Filing date
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Application filed by Hainan University filed Critical Hainan University
Publication of CN116378206A publication Critical patent/CN116378206A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165—Coaxial connection by means of sleeves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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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 discloses a prefabricated assembled frame column beam column node, which comprises a prefabricated column and a beam, wherein the beam comprises a prefabricated beam and a cast-in-situ beam, a plurality of tension steel bars used for being connected with longitudinal ribs of the beam and a plurality of embedded pin bolts used for being connected with post-cast concrete of the beam are embedded in the side surface of the prefabricated column, and threads used for being connected with novel mechanical connecting sleeves in a threaded mode are arranged at the end parts of the tension steel bars; the novel mechanical connecting sleeve comprises an upper sleeve, a lower sleeve and a high-strength threaded rod for connecting the upper sleeve and the lower sleeve. The novel mechanical connecting sleeve is connected with the tensile steel bars and the beam longitudinal bars of the prefabricated column, and the steel bars on two sides can be connected in a mechanical connecting mode without welding, so that the connection quality and the tensile strength of the steel bars are guaranteed, the construction is convenient, the construction efficiency is improved, and the construction difficulty is reduced.

Description

Prefabricated assembled frame post beam column node
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a prefabricated assembly type frame column beam column node.
Background
Compared with the traditional cast-in-situ mode, the assembly type building omits the construction steps of a plurality of traditional processes by a mechanized assembly construction mode, effectively shortens the construction period, reduces site constructors and greatly reduces the labor cost.
The beam column joints of the existing prefabricated frame columns are mostly cast-in-situ, and the tensile steel bars of the prefabricated columns at the beam column joints are connected with the longitudinal steel bars of the beams in a mechanical connection mode. However, the traditional mechanical connecting sleeve can only realize single-side connection of beam column joints, and the other side is connected in a common welding mode, so that the strength of the tension steel bars in the beam is affected, the welding construction level is required to be high, and the construction quality is uncertain.
In summary, how to improve the connection quality of the steel bars in the beam-column joints of the prefabricated frame column is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention aims to provide a prefabricated frame column beam column node, and the tensile longitudinal bars and the beam longitudinal bars realize the mechanical connection of the reinforcing bars at two sides through a novel mechanical connecting sleeve, so that the connection quality and strength of the reinforcing bars are ensured.
In order to achieve the above object, the present invention provides the following technical solutions:
the beam column node of the prefabricated frame column comprises a prefabricated column and a beam, wherein the beam comprises the prefabricated beam and a cast-in-situ beam, a plurality of tension steel bars used for being connected with longitudinal ribs of the beam and a plurality of embedded pin bolts used for being connected with post-cast concrete of the beam are embedded in the side surface of the prefabricated column, and threads used for being connected with threads of a novel mechanical connecting sleeve are arranged at the end part of the tension steel bars;
the novel mechanical connecting sleeve comprises an upper sleeve, a lower sleeve and a high-strength threaded rod connected with the upper sleeve and the lower sleeve.
Preferably, a plurality of embedded corrugated pipes used for grouting connection with the longitudinal beam ribs are embedded in the side face of the prefabricated column, and the inner diameter of each embedded corrugated pipe is larger than the outer diameter of the longitudinal beam ribs.
Preferably, a groove is formed in the side face of the prefabricated column, and the embedded pin bolt is arranged in the groove.
Preferably, the prefabricated column comprises an upper column and a lower column, the upper column and the lower column comprise longitudinal ribs, hoops used for binding the longitudinal ribs and embedded steel pipe short columns embedded in the end parts, and the embedded steel pipe short columns of the upper column and the embedded steel pipe short columns of the lower column are inserted and welded.
Preferably, concrete is poured into the pre-buried steel pipe short column of the upper column in advance, and the end face of the lower column, in which the concrete is poured, is flush with the end face of the lower column.
Preferably, the longitudinal ribs of the upper column and the longitudinal ribs of the lower column are connected through the novel mechanical connecting sleeve.
Preferably, the longitudinal ribs of the upper column and the longitudinal ribs of the lower column are connected through a half grouting half mechanical connecting sleeve.
Preferably, the outer diameter of the pre-buried steel pipe short column of the upper column is smaller than or equal to the inner diameter of the pre-buried steel pipe short column of the lower column.
According to the beam column node of the prefabricated frame column, the tensile steel bars and the beam longitudinal bars of the prefabricated column are connected through the novel mechanical connecting sleeve, and the steel bars on two sides can be connected in a mechanical connecting mode without welding, so that the connection quality and the tensile strength of the steel bars are ensured, the construction is convenient, the construction efficiency is improved, and the construction difficulty is reduced.
In addition, the novel mechanical connecting sleeve is simple in structure, easy to replace and detach, capable of being produced in batches according to requirements and low in production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a prefabricated frame column beam column node provided by the invention;
fig. 2 is a schematic structural diagram of a first embodiment of a beam-column joint of a prefabricated frame column according to the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of a beam-column node of a prefabricated frame column according to the present invention;
fig. 4 is a schematic structural diagram of a third embodiment of a beam-column node of a prefabricated frame column according to the present invention;
fig. 5 is a schematic structural diagram of a fourth embodiment of a beam-column node of a prefabricated frame column according to the present invention;
fig. 6 is a schematic structural view of the novel mechanical connection sleeve.
In fig. 1-6:
1 is a prefabricated column, 11 is an upper column, 12 is a lower column, 13 is a longitudinal bar, 14 is a stirrup, 15 is a pre-buried steel pipe short column, 151 is a stud, 16 is concrete, 2 is a beam column node, 21 is a tension steel bar, 22 is a pre-buried pin, 23 is a pre-buried corrugated pipe, 3 is a novel mechanical connecting sleeve, 31 is an upper sleeve, 32 is a high-strength threaded rod, 33 is a lower sleeve, and 4 is a semi-grouting semi-mechanical connecting sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a prefabricated assembled frame column beam column node, and the tensile longitudinal bars and the beam longitudinal bars realize the mechanical connection of the reinforcing bars at two sides through novel mechanical connecting sleeves, so that the connection quality and strength of the reinforcing bars are ensured.
Please refer to fig. 1-6.
The invention provides a prefabricated assembled frame column beam column node, which comprises a prefabricated column 1 and a beam, wherein the beam comprises a prefabricated beam and a cast-in-situ beam, a plurality of tension steel bars 21 used for being connected with longitudinal ribs of the beam and a plurality of embedded pin bolts 22 used for being connected with post-cast concrete of the beam are embedded in the side surface of the prefabricated column 1, and threads used for being connected with threads of a novel mechanical connecting sleeve 3 are arranged at the end part of the tension steel bars 21; the novel mechanical connecting sleeve 3 comprises an upper sleeve 31, a lower sleeve 33 and a high-strength threaded rod 32 connecting the upper sleeve 31 and the lower sleeve 33.
In order to ensure the connection strength of the tensile reinforcement 21 and the longitudinal beam rib, the tensile bearing capacity of the upper sleeve 31, the high-strength threaded rod 32 and the lower sleeve 33 of the novel mechanical connection sleeve 3 are all greater than or equal to the tensile bearing capacity of the tensile reinforcement 21 and the tensile bearing capacity of the longitudinal beam rib, and the compressive bearing capacity of the three are all greater than or equal to the compressive bearing capacity of the tensile reinforcement 21 and the compressive bearing capacity of the longitudinal beam rib, and the shearing bearing capacity of the three are all greater than or equal to the shearing bearing capacity of the tensile reinforcement 21 and the shearing bearing capacity of the longitudinal beam rib. In order to ensure strength, the novel mechanical connection sleeve 3 is preferably made of high-strength alloy steel.
Referring to fig. 2 to 5, in order to ensure the connection strength and rigidity of the beam-column joint 2, it is preferable that the tension bars 21 are disposed at four corners of the connection region of the prefabricated column 1 for connection with the beam, and the specific number, material and distribution of the tension bars 21 are determined according to the design strength requirement of the beam-column joint 2, the size of the beam, etc. in actual production.
After the tension steel bar 21 and the beam longitudinal bar are connected through the novel mechanical connecting sleeve 3, casting concrete after the two ends of the beam are supported by the formwork, and pre-buried pin bolts 22 are arranged on the side surfaces of the prefabricated columns 1 and used for reinforcing the connection between the prefabricated columns 1 and the beam post-casting concrete. Preferably, referring to fig. 2-5, an array of pre-buried pins 22 is distributed over the connection area of the precast column 1 for connection to the beam.
The specific number, shape, spacing, etc. of the pre-buried pins 22 are determined according to actual production requirements and will not be described in detail herein.
Preferably, referring to fig. 4 and 5, the side of the precast column 1 may be provided with a groove, and the pre-buried pin 22 is disposed in the groove to enhance the connection performance at the beam-column node.
In order to facilitate the transportation of the prefabricated column 1, the length of the embedded bolt 22 can be smaller than the depth of the groove, so that the top end of the embedded bolt 22 is lower than the side surface of the prefabricated column 1, collision and scratch are not easy to occur in the transportation process, and the structural integrity of the embedded bolt 22 is ensured.
It should be noted that the tension bar 21 is not generally disposed in the groove, that is, the tension bar 21 is disposed in the outer region of the groove.
Referring to fig. 6, two ends of the novel mechanical connecting sleeve 3 are an upper sleeve 31 and a lower sleeve 33, and the upper sleeve 31 and the lower sleeve 33 are mechanical internal threaded sleeves, which can be respectively used for threaded connection with the tension bar 21 and the beam longitudinal bar.
The upper sleeve 31 and the lower sleeve 33 are connected through a high-strength threaded rod 32, two ends of the high-strength threaded rod 32 are respectively in threaded connection with the upper sleeve 31 and the lower sleeve 33, and the length of the high-strength threaded rod 32 is determined according to the distance between the steel bars to be connected in actual production, the length of the upper sleeve 31 and the length of the lower sleeve 33, which are not described herein.
Preferably, both the upper sleeve 31 and the lower sleeve 33 may be provided to have the same length to facilitate mass production of the new mechanical connection sleeve 3.
During construction, the novel mechanical connecting sleeve 3 is used for connecting the tension steel bars 21 of the prefabricated column 1 with the beam longitudinal bars, and the beam longitudinal bars are bound and welded with encrypted beam stirrups; and (3) supporting a mould by adopting a qualitative high-precision mould, and pouring concrete after pouring the beam.
In this embodiment, the tensile steel bars 21 and the beam longitudinal bars of the prefabricated column 1 are connected through the novel mechanical connecting sleeve 3, and the steel bars on two sides can be connected through a mechanical connecting mode without welding, so that the connection quality and the tensile strength of the steel bars are ensured, and the construction is convenient, the construction efficiency is improved, and the construction difficulty is reduced.
In addition, the novel mechanical connecting sleeve 3 is simple in structure, easy to replace and disassemble, capable of being produced in batches according to requirements and low in production cost.
Preferably, the post-beam concrete may be provided as a polyethylene fiber ductile concrete or a polyethylene fiber ductile concrete to enhance the ductility of the post-beam concrete.
In addition, steel fibers can be added into post-cast concrete of the beam to strengthen the post-cast concrete.
In a specific embodiment of the present invention, referring to fig. 2 and 3, four sides of the prefabricated column 1 are pre-embedded with tension bars 21 and pre-embedded pins 22, and the pre-embedded pins 22 are protruded from the sides of the prefabricated column 1; the tension bars 21 and the embedded bolts 22 are distributed identically on the opposite sides.
Preferably, referring to fig. 4 and 5, a plurality of pre-buried corrugated pipes 23 for grouting connection with the longitudinal beam ribs may be pre-buried on the side surface of the prefabricated column 1, and the inner diameter of the pre-buried corrugated pipes 23 is larger than the outer diameter of the longitudinal beam ribs.
When the prefabricated column 1 is spliced with a beam, longitudinal beam ribs are inserted into the embedded corrugated pipe 23, then the embedded corrugated pipe 23 is poured in a grouting mode, and the embedded corrugated pipe 23 and the longitudinal beam ribs are connected.
Therefore, the number, the size and the distribution of the pre-buried corrugated pipes 23 need to be determined according to the number, the size and the distribution of the longitudinal ribs of the inner beam in actual production, and are not described herein.
In a specific embodiment of the invention, referring to fig. 4 and 5, a pair of opposite sides of the precast column 1 are pre-embedded with a tension bar 22 and a pre-embedded pin 22, and the pre-embedded pin 22 protrudes out of the side of the precast column 1; the other pair of opposite side faces are pre-buried with a pre-buried corrugated pipe 23 and pre-buried pin bolts 22, the pre-buried pin bolts 22 are arranged in grooves of the side faces, the top ends of the pre-buried pin bolts 22 are lower than the side faces of the prefabricated columns 1, and beam column node structures of different side faces are not identical.
On the basis of the above example, the prefabricated column 1 comprises an upper column 11 and a lower column 12, wherein the upper column 11 and the lower column 12 comprise longitudinal ribs 13, stirrups 14 for binding the longitudinal ribs 13 and pre-buried steel pipe short columns 15 pre-buried at the end parts, and the pre-buried steel pipe short columns 15 of the upper column 11 and the pre-buried steel pipe short columns 15 of the lower column 12 are spliced and welded.
Referring to fig. 1 to 5, longitudinal ribs 13 are provided to penetrate the prefabricated column 1 in the longitudinal direction; the stirrup 14 is bound or welded outside the longitudinal bar 13 to fix the position of the longitudinal bar 13; the number, size and distribution of the longitudinal ribs 13 and the stirrups 14 are determined according to the design strength requirement of the prefabricated column 1 in actual production, and are not described herein.
The pre-buried steel pipe short column 15 is provided at the connection end of the upper column 11 or the lower column 12, has a short length, and is provided only in the vicinity of the connection end of the upper column 11 or the lower column 12 for positioning and fixing the prefabricated column 1. The concrete position of the pre-buried steel pipe short column 15 at the connection end is not limited, and preferably, the axis of the pre-buried steel pipe short column 15 may be coincident with the axis of the precast column 1.
In order to enhance the connection of the pre-buried steel pipe stub 15 and the concrete 16, it is preferable that a plurality of pegs 151 are provided on the outer circumference of the pre-buried steel pipe stub 15 in the height direction of the pre-buried steel pipe stub 15. The number, size and spacing of the pegs 151 are determined according to the actual production requirements and will not be described in detail herein.
The pre-buried steel pipe short column 15 of the upper column 11 and the pre-buried steel pipe short column 15 of the lower column 12 are inserted and connected at the periphery by welding, and the pre-buried steel pipe short column 15 of the upper column 11 can be inserted into the pre-buried steel pipe short column 15 of the lower column 12 or the pre-buried steel pipe short column 15 of the lower column 12 can be inserted into the pre-buried steel pipe short column 15 of the upper column 11.
Preferably, in consideration of the fact that the prefabricated pillar 1 is coupled by hanging the upper pillar 11 so as to be aligned with the lower pillar 12, the outer diameter of the pre-buried steel pipe stub 15 of the upper pillar 11 may be set smaller than the inner diameter of the pre-buried steel pipe stub 15 of the lower pillar 12 to reduce the hanging quality of the upper pillar 11.
When the prefabricated column 1 is connected, the upper column 11 is hung to align the upper column 11 with the lower column 12, and the embedded steel pipe short column 15 of the upper column 11 is spliced with the embedded steel pipe short column 15 of the lower column 12; then welding two pre-buried steel pipe short columns 15, and sequentially connecting the longitudinal ribs 13 of the upper column 11 and the longitudinal ribs 13 of the lower column 12; after the connection is completed, the mould is supported between the upper column 11 and the lower column 12, and the post-cast concrete is poured.
Preferably, the post-cast concrete may be provided as a polyethylene fiber ductile reinforced concrete or a polyethylene fiber ductile reinforced concrete to increase the ductility of the post-cast concrete.
In addition, steel fibers can be added into the post-cast concrete to strengthen the post-cast concrete.
In the embodiment, the pre-buried steel pipe short column 15 is utilized to assist in aligning when the upper column and the lower column are connected, so that the construction efficiency is improved, and the construction difficulty is reduced.
Preferably, in order to enhance the strength of the installation area of the pre-buried steel pipe short column 15, the pre-buried steel pipe short column 15 of the upper column 11 is pre-filled with concrete, and the end surface of the pre-buried steel pipe short column 15 of the lower column 12, where the concrete is filled, is flush with the end surface of the lower column 12.
By filling the embedded steel pipe short column 15 in a concrete pouring mode, the structural strength and rigidity of the embedded steel pipe short column 15 are enhanced, and the influence on the connection strength and the structural strength of the precast column 1 is avoided.
On the basis of the above embodiment, please refer to fig. 2 and 5, the longitudinal ribs 13 of the upper column 11 and the longitudinal ribs 13 of the lower column 12 are connected by the novel mechanical connecting sleeve 3.
The longitudinal ribs 13 of the upper column 11 and the longitudinal ribs 13 of the lower column 12 are respectively in threaded connection with the upper sleeve 31 and the lower sleeve 33, so that the connection strength is high and the construction mode is simple and convenient.
Of course, the longitudinal bars 13 of the upper column 11 and the longitudinal bars 13 of the lower column 12 may also be connected by a half-grouting half-mechanical connecting sleeve 4, as shown in fig. 3 and 4.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The prefabricated frame column beam column node provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.

Claims (8)

1. The prefabricated assembled frame column beam column node comprises a prefabricated column and a beam, wherein the beam comprises the prefabricated beam and a cast-in-situ beam, and is characterized in that a plurality of steel bars used for being connected with longitudinal ribs of the beam and a plurality of embedded pin bolts used for being connected with post-pouring concrete of the beam are embedded in the side face of the prefabricated column, and threads used for being connected with novel mechanical connecting sleeves in a threaded mode are arranged at the end parts of the steel bars;
the novel mechanical connecting sleeve comprises an upper sleeve, a lower sleeve and a high-strength threaded rod connected with the upper sleeve and the lower sleeve.
2. The prefabricated frame column beam column node according to claim 1, wherein a plurality of embedded corrugated pipes used for grouting connection with the beam longitudinal ribs are embedded in the side face of the prefabricated column, and the inner diameter of each embedded corrugated pipe is larger than the outer diameter of the beam longitudinal ribs.
3. The prefabricated frame column beam column node of claim 1, wherein grooves are formed in the side surfaces of the prefabricated columns, and the embedded pin bolts are arranged in the grooves.
4. A prefabricated frame column beam column node according to any one of claims 1-3, wherein the prefabricated column comprises an upper column and a lower column, the upper column and the lower column each comprise longitudinal ribs, stirrups for binding the longitudinal ribs and pre-buried steel pipe short columns pre-buried at the end parts, and the pre-buried steel pipe short columns of the upper column and the pre-buried steel pipe short columns of the lower column are spliced and welded.
5. The prefabricated frame column beam column node of claim 4, wherein concrete is pre-poured into the pre-buried steel pipe short column of the upper column, and an end face of the pre-buried steel pipe short column of the lower column, which is filled with concrete, is flush with an end face of the lower column.
6. The prefabricated frame column beam column node of claim 5, wherein said longitudinal ribs of said upper column and said longitudinal ribs of said lower column are connected by said novel mechanical connection sleeve.
7. The prefabricated frame column beam column node of claim 5, wherein said longitudinal ribs of said upper column and said longitudinal ribs of said lower column are connected by a semi-grouted semi-mechanical connecting sleeve.
8. The prefabricated frame column beam-column node of claim 5, wherein an outer diameter of said pre-buried steel pipe stub of said upper column is less than or equal to an inner diameter of said pre-buried steel pipe stub of said lower column.
CN202211671345.0A 2021-12-29 2022-12-23 Prefabricated assembled frame post beam column node Pending CN116378206A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2021116388680 2021-12-29
CN202111638868 2021-12-29

Publications (1)

Publication Number Publication Date
CN116378206A true CN116378206A (en) 2023-07-04

Family

ID=86975630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211671345.0A Pending CN116378206A (en) 2021-12-29 2022-12-23 Prefabricated assembled frame post beam column node

Country Status (1)

Country Link
CN (1) CN116378206A (en)

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