CN113863494A - Assembly type concrete beam column connecting node and mounting method thereof - Google Patents

Assembly type concrete beam column connecting node and mounting method thereof Download PDF

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Publication number
CN113863494A
CN113863494A CN202111157196.1A CN202111157196A CN113863494A CN 113863494 A CN113863494 A CN 113863494A CN 202111157196 A CN202111157196 A CN 202111157196A CN 113863494 A CN113863494 A CN 113863494A
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CN
China
Prior art keywords
column
connecting piece
prefabricated
precast
node
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Pending
Application number
CN202111157196.1A
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Chinese (zh)
Inventor
雷良龙
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Guangdong Pufa Construction Co ltd
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Guangdong Pufa Construction Co ltd
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Priority to CN202111157196.1A priority Critical patent/CN113863494A/en
Publication of CN113863494A publication Critical patent/CN113863494A/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
    • E04B1/18Structures 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention provides an assembly type concrete beam column connecting node and an installation method thereof, wherein the assembly type concrete beam column connecting node comprises a prefabricated beam and a prefabricated column; the precast beam comprises a beam body and a first connecting piece, wherein the first connecting piece is partially embedded in the beam body; the prefabricated column comprises an upper prefabricated column and a lower prefabricated column; the upper prefabricated column comprises a first column body and a second connecting piece, and the lower prefabricated column comprises a second column body and a third connecting piece. This assembled concrete beam column connected node, form through bolted connection structure and let the effectual node of being connected between precast beam and the precast column form the just hinge way of node of frame construction through welding through beam column both ends and connecting piece, it is more convenient to install, improves the efficiency of construction, construction safety nature, and the on-the-spot workman of greatly reduced manipulates saves the manual work, realizes on-the-spot quick installation.

Description

Assembly type concrete beam column connecting node and mounting method thereof
Technical Field
The invention relates to the technical field of building connection nodes, in particular to an assembly type concrete beam column connection node and an installation method thereof.
Background
At present, the construction of house buildings in China mostly adopts a cast-in-place construction method. Although the cast-in-place system has the advantages of strong structural integrity, good earthquake resistance and the like, the form is adopted in the design.
But there are many difficulties in engineering implementation: the cast-in-place structure construction comprises on-site formwork erecting, reinforcing steel bar binding, concrete pouring, maintenance and formwork removal, the work needs to be operated by workers, and the work is difficult to be completed by mechanical replacement, so that the construction efficiency is low and the labor cost is high.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide an assembly type concrete beam-column connecting node and an installation method thereof, which can save the use of field templates, reduce the operation of field workers and greatly improve the construction efficiency.
The technical scheme of the invention is realized as follows:
the invention provides an assembly type concrete beam column connecting node, which comprises a prefabricated beam and a prefabricated column;
the precast beam comprises a beam body and a first connecting piece, wherein the first connecting piece is partially embedded in the beam body;
the prefabricated column comprises an upper prefabricated column and a lower prefabricated column; the upper prefabricated column comprises a first column body and a second connecting piece, and the second connecting piece is partially embedded at the lower end of the first column body; the lower prefabricated column comprises a second column body and a third connecting piece, the third connecting piece is partially embedded at the upper end of the second column body, and the third connecting piece comprises a prefabricated beam connecting part and a prefabricated column connecting part arranged above the prefabricated beam connecting part;
the first connecting piece is connected through a bolt and welded with the connecting part of the precast beam; and the second connecting piece is connected and welded with the prefabricated column connecting part through a bolt.
Preferably, the main bodies of the first connecting piece, the second connecting piece and the third connecting piece are steel structures, and specifically are one of hot-rolled H-shaped steel, welded H-shaped steel, I-shaped steel, welded cross H-shaped steel, rectangular tubes or box-shaped steel.
Preferably, a connecting and mounting steel plate is arranged at the top end of the third connecting piece, and a plurality of bolt holes are formed in the connecting and mounting steel plate;
the bottom of the second connecting piece is provided with a connecting and installing steel plate, and a bolt hole matched with the third connecting piece is formed in the connecting and installing steel plate.
Preferably, a connecting lug plate is arranged at the joint of the first connecting piece and the second connecting piece, and the connecting lug plate is fixedly connected with the first connecting piece and the second connecting piece through bolts.
Preferably, concrete is poured at the joint of the precast beam and the precast column.
Preferably, the bottom of the lower prefabricated column is provided with a steel structure short column, and a mounting foot is fixed on the steel structure short column through a bolt.
Preferably, the steel structure short column is one of hot rolling H-shaped steel, welding H-shaped steel, I-shaped steel, rectangular pipe or box shape.
The invention also provides an installation method of the assembly type concrete beam column connecting node, which comprises the following steps:
s1: manufacturing a precast beam and a precast column;
s2: connecting a first connecting piece through a bolt and welding the prefabricated beam connecting part; the second connecting piece is connected and welded with the connecting part of the prefabricated column through a bolt and then welded into rigid connection;
s3: after the composite floor slab is laid, the node position and the floor are cast into a whole by secondary casting.
Preferably, the steel bars of the laminated floor slab are arranged in a triangular truss mode.
According to the fabricated concrete beam column connecting node and the mounting method thereof, the connecting pieces are arranged at the end parts of the prefabricated column and the prefabricated beam, and the connecting pieces can be twisted together through bolts, so that the prefabricated column and the prefabricated beam are assembled, and the construction efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a fabricated concrete beam-column connection node according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a precast beam according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a prefabricated column according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the present invention provides an assembled concrete beam-column connection node, which includes a precast beam 1 and a precast column 2;
the precast beam 1 comprises a beam body 11 and a first connecting piece 12, wherein the first connecting piece 12 is partially embedded in the beam body 11;
the prefabricated column 2 comprises an upper prefabricated column 21 and a lower prefabricated column 22; the upper prefabricated column 21 comprises a first column body 211 and a second connecting piece 212, wherein the second connecting piece 212 is partially embedded at the lower end of the first column body 211; the lower precast column 22 comprises a second column 221 and a third connecting member 222, the third connecting member 222 is partially embedded at the upper end of the second column 221, and the third connecting member 222 comprises a precast beam connecting part 2221 and a precast column connecting part 2222 arranged above the precast beam connecting part 2221;
the first connecting piece 12 is connected and welded with the connecting part of the precast beam through a bolt; the second connecting member 212 is connected and welded to the prefabricated pillar connecting part by bolts.
Therefore, the connecting pieces are arranged at the end parts of the prefabricated column and the prefabricated beam, the connecting pieces can be hinged together through bolts, and the bolt web plate is connected with the steel short column, the upper flange and the lower flange are connected with the short column in a welded and rigid mode, so that the prefabricated column and the prefabricated beam are assembled together, and the construction efficiency is improved.
During construction, a bolt connecting structure is formed by two ends of a beam column and a connecting piece, and a joint rigid hinge method for forming a frame structure by effectively connecting joints between a precast beam and precast columns (precast columns and precast columns) through welding is adopted, so that the problems that the prior concrete precast beam column component cannot realize rigid hinge and the earthquake resistance is poor are fully exerted, and the joint method fully achieves the excellent earthquake resistance of a steel structure material; after the steel structure node is installed, the prefabricated composite beam and the composite slab are cast in situ, the steel structure node is completely wrapped in concrete, and the problems of corrosion resistance and fire resistance of the steel structure are completely solved; the method has the advantages of more convenient installation, improved construction efficiency, high construction safety, greatly reduced field operation of workers, labor saving, template saving and realization of field quick installation.
In a preferred embodiment of the present invention, the body of the first, second and third connection members 12, 212 and 222 is any one of a welded cross H-section steel, a hot-rolled H-section steel, a welded H-section steel, an i-section steel, a rectangular tube or a box shape.
In the present application, the first connecting member 12, the second connecting member 212 and the third connecting member 222 are used to form a connecting node, so that the material requirement is high, and the cross section may be in the form of H-shaped, i-shaped, box-shaped, rectangular or cross-shaped cross section. In the application, H-shaped steel is preferred, and the H-shaped steel is an economic section efficient section with more optimized section area distribution and more reasonable strength-to-weight ratio, and is named because the section is the same as the English letter 'H'. Because each part of the H-shaped steel is arranged at a right angle, the H-shaped steel has the advantages of strong bending resistance, simple construction, cost saving, light structure weight and the like in each direction.
In a preferred embodiment of the present invention, a mounting plate is disposed at a top end of the third connecting member, and a plurality of bolt holes are formed in the mounting plate;
the bottom of second connecting piece is provided with the mounting panel, seted up on the mounting panel with third connecting piece complex bolt hole.
In this application, it is fixed with lower main part through second connecting piece and third connecting piece to go up the cylinder, can set up the mounting panel at the tip of second connecting piece and third connecting piece, and a plurality of bolts of installation are fixed the two.
In a preferred embodiment of the present invention, a connection lug plate is disposed at a connection position of the first connection member and the second connection member, and the connection lug plate is fixedly connected to the first connection member and the second connection member by a bolt.
Through connecting the otic placode, can make first connecting piece and second connecting piece fixed more firm.
In a preferred embodiment of the present invention, concrete is poured at the connecting node of the precast beam and the precast column.
The steel structure nodes are completely wrapped in the concrete, and the problems of corrosion resistance and fire resistance of the steel structure are completely solved.
In a preferred embodiment of the invention, the bottom of the lower prefabricated column is provided with a steel structure short column, and a mounting foot is fixed on the steel structure short column through a bolt.
In this application, the precast column passes the grade beam and fixes on basic cushion cap under the part, can make the installation more firm.
The invention also provides an installation method of the assembly type concrete beam column connecting node, which comprises the following steps:
s1: manufacturing a precast beam and a precast column;
s2: connecting a first connecting piece through a bolt and welding the prefabricated beam connecting part; the second connecting piece is connected and welded with the connecting part of the prefabricated column through a bolt and then welded into rigid connection;
s3: after the composite floor slab is laid, the node position and the floor are cast into a whole by secondary casting.
The precast beams and the precast columns are customized in a factory by adopting concrete, and the end heads are pre-embedded H-shaped steel and are connected through bolts;
the frame nodes are connected through bolts on site by adopting a steel structure method, and then are welded into reliable rigid connection in a reproduced field;
after the frame beam column is installed on site and the composite floor slab is laid, the node position and the floor are cast into a whole in a secondary casting mode;
according to the fabricated concrete beam-column connection node and the installation method thereof, the connecting pieces are arranged at the end parts of the prefabricated column and the prefabricated beam, and can be rigidly connected together through the bolts, so that the prefabricated column and the prefabricated beam are assembled, and the construction efficiency is improved. The node selects the steel structure way, utilizes the excellent atress performance and the anti-seismic performance of steel construction material, and the outsourcing concrete has solved the anticorrosive poor shortcoming of fire prevention of steel construction, and post and roof beam are prefabricated in the factory, and the floor board adopts the superimposed sheet, the advantage of on-the-spot formwork that does not need, and the shortcoming that precast concrete post, roof beam connected node anti-seismic performance are poor is solved to steel construction outsourcing concrete node way.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (8)

1. An assembly type concrete beam column connecting node is characterized by comprising a prefabricated beam and a prefabricated column;
the precast beam comprises a beam body and a first connecting piece, wherein the first connecting piece is partially embedded in the beam body;
the prefabricated column comprises an upper prefabricated column and a lower prefabricated column; the upper prefabricated column comprises a first column body and a second connecting piece, and the second connecting piece is partially embedded at the lower end of the first column body; the lower prefabricated column comprises a second column body and a third connecting piece, the third connecting piece is partially embedded at the upper end of the second column body, and the third connecting piece comprises a prefabricated beam connecting part and a prefabricated column connecting part arranged above the prefabricated beam connecting part;
the first connecting piece is connected through a bolt and welded with the connecting part of the precast beam; and the second connecting piece is connected and welded with the prefabricated column connecting part through a bolt.
2. An assembled concrete beam and column connection node as claimed in claim 1, wherein the bodies of the first, second and third connection members are one of hot rolled H-section steel, welded H-section steel, i-section steel, welded cross H-section steel, rectangular pipe or box shape.
3. An assembled concrete beam column connection node as claimed in claim 1, wherein a connection mounting steel plate is provided at a top end of the third connection member, the connection mounting steel plate being provided with a plurality of bolt holes;
the bottom of the second connecting piece is provided with a connecting and installing steel plate, and a bolt hole matched with the third connecting piece is formed in the connecting and installing steel plate.
4. An assembled concrete beam column connecting node according to claim 1, wherein a connecting lug plate is provided at a junction of the first connecting member and the second connecting member, and the connecting lug plate fixedly connects the first connecting member and the second connecting member by means of a bolt.
5. An assembled concrete beam column connection node according to claim 1, wherein the precast beam and the precast column connection node are cast with concrete.
6. An assembled concrete beam column connecting node according to any one of claims 1 to 5, wherein the bottom of the lower precast column is provided with a steel structural short column on which a mounting foot is fixed by means of a bolt.
7. An assembled concrete beam and column connection node as claimed in claim 6, wherein the steel structural short column is one of a hot rolled H-section steel, a welded H-section steel, an I-section steel, a rectangular tube or a box shape.
8. A method of installing an assembled concrete beam and column connection node according to any one of claims 1 to 5, comprising the steps of:
s1: manufacturing a precast beam and a precast column;
s2: connecting a first connecting piece through a bolt and welding the prefabricated beam connecting part; the second connecting piece is connected and welded with the connecting part of the prefabricated column through a bolt and then welded into rigid connection;
s3: after the composite floor slab is laid, the node position and the floor are cast into a whole by secondary casting.
CN202111157196.1A 2021-09-30 2021-09-30 Assembly type concrete beam column connecting node and mounting method thereof Pending CN113863494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111157196.1A CN113863494A (en) 2021-09-30 2021-09-30 Assembly type concrete beam column connecting node and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111157196.1A CN113863494A (en) 2021-09-30 2021-09-30 Assembly type concrete beam column connecting node and mounting method thereof

Publications (1)

Publication Number Publication Date
CN113863494A true CN113863494A (en) 2021-12-31

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Application Number Title Priority Date Filing Date
CN202111157196.1A Pending CN113863494A (en) 2021-09-30 2021-09-30 Assembly type concrete beam column connecting node and mounting method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114737674A (en) * 2022-04-08 2022-07-12 无锡天盈建筑科技有限公司 Construction method for building beam-column dry connection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114737674A (en) * 2022-04-08 2022-07-12 无锡天盈建筑科技有限公司 Construction method for building beam-column dry connection

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