CN116356939A - Assembled reinforced concrete beam column node - Google Patents
Assembled reinforced concrete beam column node Download PDFInfo
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- CN116356939A CN116356939A CN202111630050.4A CN202111630050A CN116356939A CN 116356939 A CN116356939 A CN 116356939A CN 202111630050 A CN202111630050 A CN 202111630050A CN 116356939 A CN116356939 A CN 116356939A
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000011065 in-situ storage Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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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
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- 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
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- 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
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
-
- 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
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- 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
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- 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 an assembled reinforced concrete beam column node, which comprises two prefabricated columns vertically connected and a cross beam horizontally connected to the joint of the prefabricated columns, wherein the prefabricated columns comprise an upper column and a lower column; the connecting end of the prefabricated column is annularly provided with a vertical steel sleeve, the two vertical steel sleeves are horizontally welded and connected, the outer side face of each vertical steel sleeve is provided with a plurality of cantilever plates, each cantilever plate is provided with a bolt hole for installing a screw rod, and the screw rods are used for connecting the cantilever plates arranged on different vertical steel sleeves; the outer side of the vertical steel sleeve is provided with a plurality of cantilever plates, the cantilever plates are connected with longitudinal ribs of the cross beam, stiffening ribs are arranged on the upper surface or the lower surface of the cantilever plates, and the stiffening ribs are welded and connected between the vertical steel sleeve and the cantilever plates. The assembled reinforced concrete beam column node provided by the invention has high structural strength, is convenient to install, and is favorable for realizing wide popularization and application.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to an assembled reinforced concrete beam column node.
Background
The reinforced concrete cast-in-situ structure has the defects of low production efficiency, poor quality control, large environmental influence and the like caused by cast-in-situ structure, so that the fabricated building has been greatly developed in recent years for improving the production efficiency and the construction quality and reducing the environmental pollution.
The beam column joint of the assembled frame structure has complex stress mechanism, the joint has enough strength and rigidity, the construction process of the sleeve grouting connecting joint widely adopted at present is complex, the construction difficulty is high, the construction efficiency is low, the connecting quality is difficult to ensure, and the development of the assembled frame structure is seriously restricted, in particular to the wide application in high-intensity areas.
In summary, how to provide an assembled reinforced concrete beam-column node with convenient installation and construction and high connection strength is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the invention aims to provide the assembled reinforced concrete beam-column joint which has high structural strength, is convenient to install, is suitable for different environments, and has strong applicability and universality.
In order to achieve the above object, the present invention provides the following technical solutions:
the prefabricated column comprises an upper column and a lower column;
the connecting end of the prefabricated column is annularly provided with a vertical steel sleeve, two vertical steel sleeves are horizontally welded and connected, the outer side face of each vertical steel sleeve is provided with a plurality of cantilever plates, each cantilever plate is provided with a bolt hole for installing a screw rod, and the screw rods are used for connecting the cantilever plates arranged on different vertical steel sleeves;
the outer side of the vertical steel sleeve is provided with a plurality of cantilever plates, the cantilever plates are connected with longitudinal ribs of the cross beam, stiffening ribs are arranged on the upper surface or the lower surface of each cantilever plate, and the stiffening ribs are welded and connected between the vertical steel sleeve and the cantilever plates.
Preferably, a supporting plate is arranged on the upper surface or the lower surface of the cantilever plate, and the supporting plate is welded and connected between the vertical steel sleeve and the cantilever plate.
Preferably, the beam-free side of the vertical steel sleeve is provided with a reinforced steel plate, the upper end of the reinforced steel plate is welded with the outer side face of the vertical steel sleeve of the upper column, and the lower end of the reinforced steel plate is welded with the outer side face of the vertical steel sleeve of the lower column.
Preferably, the inner side surface of the vertical steel sleeve is provided with a circumferential reinforcing plate, and the circumferential reinforcing plate is provided with a pouring hole for pouring concrete and a plurality of longitudinal rib holes for installing longitudinal ribs of the prefabricated column.
Preferably, the inner wall surface of the vertical steel sleeve is provided with a plurality of studs, and the studs are used for reinforcing the connection between the vertical steel sleeve and the concrete body of the precast column.
Preferably, the pegs are evenly distributed in the height direction of the vertical steel sleeve.
Preferably, the cantilever plate is welded with a reinforcing bar sleeve, and the reinforcing bar sleeve is mechanically connected with the longitudinal bars of the cross beam.
Preferably, the upper column and the lower column comprise an outer prefabricated part and an inner cast-in-situ part, and the cast-in-situ part is formed by casting after the upper column and the lower column are connected.
When the assembled reinforced concrete beam column node is assembled, firstly, the lower column of the prefabricated column is hoisted, then the upper column of the prefabricated column is hoisted, the vertical steel sleeve of the upper column is aligned with the vertical steel sleeve of the lower column, a screw rod penetrates through the cantilever plate of the upper column and the cantilever plate of the lower column, the screw rod is locked by a fastening nut, and the vertical steel sleeve is welded to finish the connection of the prefabricated column; and finally, overlapping the longitudinal ribs of the cross beam on the cantilever plates of the vertical steel sleeves, welding the cantilever plates and the longitudinal ribs of the cross beam, and laying out or integrally supporting a die and pouring the cross beam according to the type of the cross beam.
According to the assembled reinforced concrete beam column node, the upper column and the lower column of the prefabricated column are connected through the connecting ends of the welded vertical steel sleeves, and the upper and the lower vertical steel sleeves are connected through the plurality of screws arranged outside the vertical steel sleeves, so that the connecting strength of the connecting part of the prefabricated column is enhanced, and the structure between the upper column and the lower column is more reliable; the longitudinal ribs of the cross beam are welded with the cantilever plates on the outer side surfaces of the vertical steel sleeves in a lap joint manner, and concrete pouring is carried out at the joint of the beam and the column, so that the joint strength of the prefabricated column and the joint of the cross beam is ensured; stiffening rib welds between vertical steel sleeve and ram, has strengthened the flexural strength of ram, can prevent effectively that ram buckling.
In addition, the assembled reinforced concrete beam column node provided by the invention has the advantages of simple construction process, lower construction difficulty, convenience in installation, various combination modes of the cross beam and the prefabricated column, capability of adapting to different environments and stronger practicability and universality.
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 structural view of a concrete embodiment of an assembled reinforced concrete beam-column joint according to the present invention.
In fig. 1:
1 is a prefabricated column, 11 is a longitudinal rib, 12 is a vertical steel sleeve, 13 is a cantilever plate, 14 is a supporting plate, 15 is a cantilever plate, 16 is a stiffening rib, 17 is a circumferential reinforcing plate, 18 is a stud, 2 is a cross beam, 3 is a screw rod, and 4 is a fastening nut.
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 core of the invention is to provide the assembled reinforced concrete beam column node which has high structural strength, is convenient to install, is suitable for different environments, and has strong applicability and universality.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an assembled reinforced concrete beam-column node according to the present invention.
The invention provides an assembled reinforced concrete beam column node, which comprises two prefabricated columns 1 which are vertically connected and a cross beam 2 which is horizontally connected to the joint of the prefabricated columns 1, wherein the prefabricated columns 1 comprise an upper column and a lower column; the connecting end of the prefabricated column 1 is annularly provided with a vertical steel sleeve 12, the two vertical steel sleeves 12 are horizontally welded and connected, the outer side surface of each vertical steel sleeve 12 is provided with a plurality of cantilever plates 13, each cantilever plate 13 is provided with a bolt hole for installing a screw rod 3, and the screw rods 3 are used for connecting the cantilever plates 13 arranged on different vertical steel sleeves 12; the lateral surface of vertical steel sleeve 12 is equipped with a plurality of ram 15, and ram 15 is connected with the longitudinal rib of crossbeam 2, and the upper surface or the lower surface of ram 15 are equipped with stiffening rib 16, and stiffening rib 16 welded connection is between vertical steel sleeve 12 and ram 15.
The cantilever plates 13, 15, etc. welded to the outer side of the vertical steel sleeve 12 are located within the height range of the cross beam 2.
In order to simplify the construction process on site, the prefabricated column 1 is usually prefabricated in a factory in advance. During production, paving longitudinal ribs 11 of the prefabricated column 1 according to the design size of the prefabricated column 1, and binding and fixing the longitudinal ribs 11 by stirrups; placing a vertical steel sleeve 12 with an annular section at one end of the longitudinal rib 11, so that the end face of the longitudinal rib 11 is flush with the end face of the vertical steel sleeve 12; and (5) integrally supporting the formwork outside the longitudinal ribs 11, and pouring concrete.
In order to prevent the longitudinal bars 11 from being displaced relative to the vertical steel sleeves 12 during the concrete pouring process, the longitudinal bars 11 are fixedly connected with the vertical steel sleeves 12.
Preferably, the inner side surface of the vertical steel sleeve 12 is provided with a circumferential reinforcing plate 17, and the circumferential reinforcing plate 17 is provided with a pouring hole for pouring concrete and a plurality of longitudinal rib holes for installing the longitudinal ribs 11 of the precast column 1. The longitudinal ribs of the prefabricated column pass through the longitudinal rib holes of the annular reinforcing plate 17 and are fixedly connected with the annular reinforcing plate 17 through locking nuts.
Considering that the outer side of the vertical steel sleeve 12 is provided with the cantilever plate 13 and the cantilever plate 15, it is preferable that at least two circumferential reinforcing plates 17 are provided, the two circumferential reinforcing plates 17 being flush with the cantilever plate 13 and the cantilever plate 15, respectively, on the outer side so that the circumferential reinforcing plates 17 transmit load and reinforce structural strength.
In order to further enhance the structural strength and stability, it is preferable that a support plate is provided on the upper surface or the lower surface of the circumferential reinforcement plate 17, and the support plate is welded between the circumferential reinforcement plate 17 and the inner side surface of the vertical steel bushing 12.
In addition, the longitudinal ribs 11 may be welded to the inner side of the vertical steel sleeve 12.
The connecting end of the precast column 1 is sleeved with the vertical steel sleeve 12, the end face of the vertical steel sleeve 12 is used for connecting an upper column and a lower column of the precast column 1, and the side face of the vertical steel sleeve 12 is used for connecting the precast column 1 and the cross beam 2.
The length of the vertical steel sleeve 12 is determined by referring to the height of the cross beam 2 in actual production, the thickness of the vertical steel sleeve 12 influences the connection strength of the upper column and the lower column, and the specific thickness of the vertical steel sleeve 12 is determined according to the design connection strength of the prefabricated column 1 in actual production; in order to facilitate the welded connection of the vertical steel sleeve 12, the connection end surface of the vertical steel sleeve 12 is provided with a groove, as shown in fig. 1.
The cantilever plate 13 is matched with the screw rod 3 and the fastening nut 4 to connect and position the vertical steel sleeve 12 of the upper column and the vertical steel sleeve 12 of the lower column; the cantilever plates 13 are welded perpendicularly to the surface of the vertical steel sleeve 12, and the number of the cantilever plates 13, the shape of the cantilever plates 13 and the positions of the bolt holes are determined according to the actual production requirements, and are not described herein.
In order to enhance the bending strength of the cantilever plate 13, it is preferable that referring to fig. 1, the upper or lower surface of the cantilever plate 13 is provided with a support plate 14, and the support plate 14 is welded between the vertical steel sleeve 12 and the cantilever plate 13.
The support plate 14 may be configured in a triangular shape, a rectangular shape, or any other geometric shape, and the size and shape of the support plate 14 are determined according to actual production requirements, which will not be described herein.
The cantilever plate 15 is used for connecting longitudinal ribs of the prefabricated column 1 and the cross beam 2, and the stiffening ribs 16 are used for enhancing the bending strength of the cantilever plate 15 and preventing the cantilever plate 15 from buckling. The cantilever plate 15 and the longitudinal ribs of the cross beam 2 can be directly welded and connected, and also can be connected in a mechanical connection mode such as a threaded sleeve.
The size, shape and connection position of the cantilever plate 15 and the stiffening rib 16 are determined according to the beam column node design strength requirement in actual production, the size and connection position of the cantilever plate 13 and other factors.
During assembly, firstly hoisting a lower column of the prefabricated column 1, then hoisting an upper column of the prefabricated column 1, aligning a vertical steel sleeve 12 of the upper column with a vertical steel sleeve 12 of the lower column, penetrating a screw 3 through a cantilever plate 13 of the upper column and a cantilever plate 13 of the lower column, locking the screw 3 by utilizing a fastening nut 4, and welding the vertical steel sleeve 12 to finish connection of the prefabricated column 1; finally, the longitudinal ribs of the cross beam 2 are lapped on the cantilever plates 15 of the vertical steel sleeves 12, the cantilever plates 15 and the longitudinal ribs of the cross beam 2 are welded and connected, and the cross beam 2 is laid out or integrally supported and poured according to the types of the cross beam 2.
If the prefabricated column 1 is a hollow column, the hollow column needs to be internally concreted after hoisting; when the fastening nut 4 is locked, the fastening nut 4 is first screwed to 40-60%, then the vertical steel sleeves 12 of the upper and lower columns are welded, and finally the fastening nut 4 is screwed to 100%.
In the embodiment, the upper column and the lower column of the prefabricated column 1 are connected through the connecting ends of the welded vertical steel sleeves 12, and the upper and the lower vertical steel sleeves 12 are connected by a plurality of screw rods 3 outside the vertical steel sleeves 12, so that the connecting strength of the connecting part of the prefabricated column 1 is enhanced, and the structure between the upper column and the lower column is more reliable; the longitudinal ribs of the cross beam 2 are welded with the cantilever plates 15 on the outer side surfaces of the vertical steel sleeves 12 in a lap joint manner, and concrete pouring is carried out at the joint of the beam and the column, so that the joint strength of the joint of the prefabricated column 1 and the cross beam 2 is ensured; stiffening rib 16 welds between vertical steel sleeve 12 and ram 15, has strengthened ram 15's flexural strength, can prevent effectively that ram 15 from buckling.
In addition, the assembled reinforced concrete beam column node that this embodiment provided, construction process is simple, the construction degree of difficulty is lower, and the installation of being convenient for, and crossbeam 2 is various with precast column 1's combination mode, can adapt to different environment, has stronger practicality and universality.
Preferably, the cantilever plate 15 is welded with a steel bar sleeve, and the steel bar sleeve is mechanically connected with the longitudinal bars of the cross beam 2.
Preferably, the inner wall surface of the vertical steel sleeve 12 is provided with a plurality of studs 18, the studs 18 being used to enhance the connection of the vertical steel sleeve 12 to the concrete body of the precast column 1.
The size of the stud 18 is determined by referring to the cross-sectional size of the prefabricated column 1, the arrangement position of the longitudinal ribs 11 and other factors, so that the stud 18 is prevented from affecting the normal functions of other structures in the prefabricated column 1.
Preferably, the pegs 18 are evenly distributed in the height direction of the vertical steel sleeve 12.
The upper column and the lower column of the prefabricated column 1 can be solid prefabricated columns or hollow prefabricated columns, and internal concrete is poured after the upper column and the lower column are connected.
Preferably, the upper column and the lower column can be provided with a prefabricated part of the outer layer and a cast-in-situ part of the inner layer, and the cast-in-situ part is cast after the connection of the upper column and the lower column is completed.
On the basis of the above embodiment, in order to enhance the connection strength of the beam-column joint on the beam-free side, the beam-free side of the vertical steel sleeve 12 is provided with a reinforcing steel plate, the upper end of which is welded with the outer side surface of the vertical steel sleeve 12 of the upper column, and the lower end of which is welded with the outer side surface of the vertical steel sleeve 12 of the lower column.
The cross section shape, the cross section area, the thickness and the like of the reinforced steel plate are determined according to the design and calculation of the beam column node design connection strength in actual production, and are not described in detail herein.
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 assembled reinforced concrete beam-column joint 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 assembled reinforced concrete beam column node is characterized by comprising two prefabricated columns (1) which are vertically connected and a cross beam (2) which is horizontally connected to the joint of the prefabricated columns (1), wherein the prefabricated columns (1) comprise an upper column and a lower column;
the connecting end of the prefabricated column (1) is annularly provided with a vertical steel sleeve (12), two vertical steel sleeves (12) are horizontally welded and connected, the outer side surface of each vertical steel sleeve (12) is provided with a plurality of cantilever plates (13), each cantilever plate (13) is provided with a bolt hole for installing a screw rod (3), and the screw rods (3) are used for connecting the cantilever plates (13) arranged on different vertical steel sleeves (12);
the outer side of vertical steel sleeve (12) is equipped with a plurality of cantilever plate (15), cantilever plate (15) with the longitudinal rib of crossbeam (2) is connected, the upper surface or the lower surface of cantilever plate (15) are equipped with stiffening rib (16), stiffening rib (16) welded connection in between vertical steel sleeve (12) and cantilever plate (15).
2. The fabricated reinforced concrete beam-column node according to claim 1, wherein the upper or lower surface of the cantilever plate (13) is provided with a support plate (14), and the support plate (14) is welded between the vertical steel sleeve (12) and the cantilever plate (13).
3. The fabricated reinforced concrete beam-column node according to claim 2, wherein the beam-free side of the vertical steel sleeve (12) is provided with a reinforcing steel plate, the upper end of the reinforcing steel plate is welded with the outer side surface of the vertical steel sleeve (12) of the upper column, and the lower end of the reinforcing steel plate is welded with the outer side surface of the vertical steel sleeve (12) of the lower column.
4. A fabricated reinforced concrete beam-column node according to any one of claims 1-3, wherein the inner side of the vertical steel sleeve (12) is provided with a circumferential reinforcing plate (17), and the circumferential reinforcing plate (17) is provided with a pouring hole for pouring concrete and a plurality of longitudinal rib holes for installing the longitudinal ribs (11) of the prefabricated column (1).
5. A fabricated reinforced concrete beam-column node according to any one of claims 1-3, characterized in that the inner wall surface of the vertical steel sleeve (12) is provided with a number of studs (18), said studs (18) being used to enhance the connection of the vertical steel sleeve (12) to the concrete body of the precast column (1).
6. The fabricated reinforced concrete beam-column node of claim 5, wherein the studs (18) are evenly distributed in the height direction of the vertical steel sleeve (12).
7. A fabricated reinforced concrete beam-column node according to any one of claims 1-3, wherein the cantilever plates (15) are welded with reinforcing sleeves that are mechanically connected to the longitudinal bars of the cross beam (2).
8. A fabricated reinforced concrete beam-column node according to any one of claims 1-3, wherein said upper and lower columns each comprise an outer prefabricated portion and an inner cast-in-place portion, said cast-in-place portions being cast after said upper and lower columns are connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111630050.4A CN116356939A (en) | 2021-12-28 | 2021-12-28 | Assembled reinforced concrete beam column node |
| PCT/CN2021/142939 WO2023123177A1 (en) | 2021-12-28 | 2021-12-30 | Fabricated reinforced concrete beam-column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111630050.4A CN116356939A (en) | 2021-12-28 | 2021-12-28 | Assembled reinforced concrete beam column node |
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| Publication Number | Publication Date |
|---|---|
| CN116356939A true CN116356939A (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111630050.4A Pending CN116356939A (en) | 2021-12-28 | 2021-12-28 | Assembled reinforced concrete beam column node |
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| CN (1) | CN116356939A (en) |
| WO (1) | WO2023123177A1 (en) |
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| CN117166678A (en) * | 2023-08-24 | 2023-12-05 | 精工工业建筑系统集团有限公司 | Large PEC vertical member node structure capable of being cast in situ and coating equipment thereof |
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| CN203684404U (en) * | 2013-12-30 | 2014-07-02 | 中国十七冶集团有限公司 | Fast mounting connection device for square steel tubular pillars |
| JP6774778B2 (en) * | 2016-04-15 | 2020-10-28 | 日本コンクリート工業株式会社 | Assembled concrete columns and their joining methods |
| CN107761952A (en) * | 2017-10-18 | 2018-03-06 | 北京工业大学 | A kind of T-shaped cover plate folder web attachment means of assembling type steel structure quadrate steel pipe column bean column node |
| CN110924525A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Steel plate interface bolt connecting structure and method for reinforced concrete column and column |
| CN112900618A (en) * | 2021-01-27 | 2021-06-04 | 海南大学 | Prefabricated frame, beam column joint and construction method |
| CN112922231A (en) * | 2021-01-27 | 2021-06-08 | 海南大学 | Fabricated concrete beam-column joint and construction method thereof |
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2021
- 2021-12-28 CN CN202111630050.4A patent/CN116356939A/en active Pending
- 2021-12-30 WO PCT/CN2021/142939 patent/WO2023123177A1/en unknown
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| Publication number | Publication date |
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| WO2023123177A1 (en) | 2023-07-06 |
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