CN111042439A - Prefabricated column of assembled concrete building structure and beam column node thereof - Google Patents

Prefabricated column of assembled concrete building structure and beam column node thereof Download PDF

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Publication number
CN111042439A
CN111042439A CN201910949568.0A CN201910949568A CN111042439A CN 111042439 A CN111042439 A CN 111042439A CN 201910949568 A CN201910949568 A CN 201910949568A CN 111042439 A CN111042439 A CN 111042439A
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CN
China
Prior art keywords
column
prefabricated
concrete
layer
tubular pile
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Pending
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CN201910949568.0A
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Chinese (zh)
Inventor
徐其功
范枝波
陈春晖
魏偲
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Guangdong Jianke Architectural Design Institute Co ltd
Guangdong Provincial Academy of Building Research Group Co Ltd
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Guangdong Jianke Architectural Design Institute Co ltd
Guangdong Provincial Academy of Building Research Group Co Ltd
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Application filed by Guangdong Jianke Architectural Design Institute Co ltd, Guangdong Provincial Academy of Building Research Group Co Ltd filed Critical Guangdong Jianke Architectural Design Institute Co ltd
Priority to CN201910949568.0A priority Critical patent/CN111042439A/en
Publication of CN111042439A publication Critical patent/CN111042439A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08Members specially adapted to be used in prestressed constructions

Abstract

The invention discloses a precast column of an assembled concrete building structure and a beam column node thereof, which are suitable for connection between an upper precast column, a lower precast column and a beam in the assembled concrete structure, wherein the precast column is a precast concrete tubular pile, the precast concrete tubular pile comprises a vertically arranged tubular pile prestressed reinforcement, a tubular pile spiral stirrup for bundling the tubular pile prestressed reinforcement and core filling concrete, a connecting reinforcement is also vertically arranged in the precast concrete tubular pile, the connecting reinforcement is provided with an extending end extending out of the precast concrete tubular pile, and the extending end is used for being connected with the structural beam in a beam column node area; the prefabricated column is used for being connected with the structural beam in an assembling mode. The prefabricated column is low in manufacturing cost, low in construction and installation fault tolerance rate and simple in installation process. The invention also discloses a beam column node comprising the precast column.

Description

Prefabricated column of assembled concrete building structure and beam column node thereof
Technical Field
The invention relates to an assembled concrete building structure, in particular to a prefabricated column of the assembled concrete building structure and a beam column node thereof.
Background
Item 3.0.3 of the assembled evaluation Standard (GB/T51129-2017) indicates that the assembled building meets the evaluation score of a main structure part of not less than 20 points, and the assembled building score table fully divides the main structure into 50 points, wherein the proportion of vertical members such as columns, supports, bearing walls, ductile wallboards and the like reaches 35-80%, the obtainable score is 20-30 points, the proportion of members such as beams, plates, stairs, balconies, air-conditioning boards and the like reaches 70-80%, and the obtainable score is 10-20 points. If the vertical member is not prefabricated, the proportion of the members such as beams, plates, stairs, balconies, air-conditioning plates and the like is required to reach 80%, which brings great difficulty to the disassembly of the members, and therefore, the vertical member is also often prefabricated.
At present, in the prefabricated vertical component, the common reinforced concrete prefabricated column adopting the sleeve grouting connection method is widely applied. The common reinforced concrete prefabricated column is high in manufacturing cost, one cubic meter generally needs to pay for three thousand to four thousand, and the requirement on the performance of the crane is high due to the large volume. In addition, the common reinforced concrete prefabricated column adopts a sleeve grouting connection method, which puts higher requirements on the manufacturing and installation precision of the prefabricated column, the fault tolerance rate of the common reinforced concrete prefabricated column is low, if a certain link goes wrong, the prefabricated column can not be used, and a prefabricated component factory needs to be manufactured again, which undoubtedly brings about great influence on the construction progress and increases the construction cost.
Disclosure of Invention
One of the purposes of the invention is to provide a prefabricated column of an assembled concrete building structure, which has the advantages of low manufacturing cost, low construction and installation fault tolerance rate and simple installation process.
The invention is realized by the following technical scheme: the utility model provides an assembled concrete building structure's prefabricated post which characterized in that: the prefabricated column is a prefabricated concrete pipe pile, the prefabricated concrete pipe pile comprises a vertically arranged pipe pile prestressed reinforcement, a pipe pile spiral stirrup for bundling the pipe pile prestressed reinforcement and core filling concrete, a connecting reinforcement is also vertically arranged in the prefabricated concrete pipe pile, the connecting reinforcement is provided with an extending end extending out of the prefabricated concrete pipe pile, and the extending end is used for being connected with a structural beam in a beam column node area; the prefabricated column is used for being connected with the structural beam in an assembling mode.
In the invention, the core-filling concrete part is filled to form a half precast concrete pipe pile or a whole precast concrete pipe pile. The precast concrete tubular pile can be transported to the scene and is formed at its inside concreting with the precast concrete tubular pile of supply on the market, and its inside reinforcing bar includes prestressing steel and spiral stirrup, and this kind of precast column cost is far less than ordinary reinforced concrete precast column, and the standardization level is higher, more accords with the standardized design of assembled building, batch production, the characteristics of assembled construction, the end plate can cancel when precast concrete tubular pile is used as the precast column.
In the invention, the part of the connecting steel bar positioned on the precast concrete tubular pile is a half-section steel bar or a continuous through-length steel bar.
In the invention, when the prefabricated column is a bottom column positioned at the bottom layer, the bottom end of the connecting steel bar is provided with a section of straight hook formed after bending and used for anchoring on the bottom surface of the foundation; when the prefabricated column is a middle-layer column positioned on a middle layer, the connecting steel bars are continuous steel bars, and the upper end and the lower end of the connecting steel bars penetrating through the beam column joint area are respectively anchored on an upper-layer prefabricated column positioned on an upper layer and a lower-layer prefabricated column positioned on a lower layer; when the prefabricated column is a top column positioned at the top layer, the connecting steel bars are directly anchored on the structural beam.
In the invention, the connecting steel bar is also sleeved with the outer sleeve at the steel bar section positioned in the beam-column joint area, so that the connecting steel bar is isolated from concrete in the section and can have a certain free length, and the connection of the prefabricated column in the beam-column joint area is semi-rigid connection; the outer sleeve is a rubber pipe or a steel pipe.
The precast columns, the beams and the nodes are connected safely and reliably through the connecting steel bars, the connecting mode adopts semi-rigid connection or rigid connection, when the semi-rigid connection is adopted, the connecting steel bars meet the design stress requirement, a section of rubber pipe or steel pipe needs to be wrapped between the nodes and the precast columns, so that the connecting steel bars and the concrete are isolated, the connecting steel bars can have certain free length in the section, the connection of the precast columns in the node area is realized through the semi-rigid connection, the bending moment borne by the precast concrete pipe piles is controlled within the bearable range, and the precast concrete pipe piles are prevented from being bent and cracked.
The rubber tube or the steel tube can be replaced by sleeves made of other materials, the position of the rubber tube or the position of the steel tube can be in a node, the rubber tube or the steel tube can be in a precast tubular pile, one part of the rubber tube or the steel tube can be in the node, the other part of the rubber tube or the steel tube can be in the precast tubular pile, the purpose is to enable the connecting steel bar to be isolated from concrete in the section, certain free length can be achieved, and the connection of the precast column in the node area is semi-rigid connection.
The invention also aims to provide a beam-column joint of an assembled concrete building structure.
The invention is realized by the following technical scheme: contain beam column node of above-mentioned prefabricated post, its characterized in that: the beam column node further comprises a structural beam, and the prefabricated column is connected with the structural beam in an assembling mode.
In the invention, the structural beam is a superposed beam or a cast-in-place beam.
In the invention, base slurry layer gaps are reserved between the bottom surface of the prefabricated column on the upper layer and the beam column node area and between the top surface of the prefabricated column on the lower layer and the beam column node area, and base slurry is filled in the base slurry layer gaps to form base slurry layers.
In the invention, the beam-column joint is also provided with a joint area stirrup in the joint area for bundling the connecting steel bars at the joint.
In the invention, the beam-column node area is provided with a preformed hole, and the diameter of the preformed hole is 20mm larger than that of the connecting steel bar, so that the connecting steel bar can penetrate through the beam-column node area and the preformed hole and then is subjected to grouting hole sealing.
As a preferred embodiment of the present invention, the core-filling concrete of the precast concrete tubular pile is of the same strength grade as that of the cast-in-place column on the same layer, and the precast concrete tubular pile is fixed on site and then poured.
As a preferred embodiment of the present invention, the precast concrete pipe pile may be used as a precast column without an end plate.
The prefabricated column and the beam column node thereof are suitable for connection between an upper prefabricated column and a lower prefabricated column in an assembled concrete structure and between beams, wherein the beams can adopt superposed beams or cast-in-place beams, the prefabricated column adopts a prefabricated column formed by prefabricated concrete pipe piles, a beam column node area can adopt a cast-in-place mode or a mode of prefabricating with the prefabricated beams, and is required to be provided with a reserved hole; the prefabricated column is formed by prefabricated concrete pipe piles, concrete is poured into the prefabricated column when the prefabricated column is transported to be installed on site, core pouring concrete is formed, and the concrete can only be poured into half sections or can be filled into the whole prefabricated concrete pipe pile; the upper-layer prefabricated column and the lower-layer prefabricated column are reliably connected by connecting steel bars penetrating through the node area preformed holes; the connecting reinforcing steel bars are embedded in the core-filling concrete, the connecting reinforcing steel bars can be half sections or can be long along the length of the precast concrete tubular piles, the connecting mode adopts semi-rigid connection or rigid connection, when the semi-rigid connection is adopted, rubber pipes or steel pipes with certain length are wrapped between a node area and the upper and lower precast columns, so that the connecting reinforcing steel bars are isolated from the concrete in the section, certain free length can be achieved, the connection of the precast columns in the node area is semi-rigid connection, the bending moment borne by the precast concrete tubular piles is controlled within the bearable range, the precast concrete tubular piles are prevented from being bent and cracked, and the number and the length of the connecting reinforcing steel bars are calculated according to the stress requirements; when rigid connection is adopted, rubber pipes or steel pipes are not needed, connecting steel bars are in close contact with concrete, prefabricated columns on the upper layer and the lower layer are reliably connected with the beam, and the rigid connection is used for columns with smaller bending moment so as to prevent the pile body from cracking; the length of the rubber tube or the steel tube is calculated according to the rigidity of the semi-rigid node, the position of the rubber tube or the steel tube can be in the node, can be in the precast tubular pile, can be partially in the node, and can be partially in the precast concrete tubular pile, and the position of the rubber tube or the steel tube is partially in the precast concrete tubular pile.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the prefabricated concrete tubular piles supplied on the market are adopted to form the prefabricated columns, the production technology of the prefabricated concrete tubular piles is quite mature, the manufacturing cost is far lower than that of the existing concrete prefabricated columns, and the problem that the cost restricts the assembly type development is solved.
Secondly, the connecting steel bars embedded in the core-grouting concrete penetrate through the node area to reliably connect the upper-layer precast column with the lower-layer precast column, the common precast concrete column adopts a steel bar sleeve grouting connection mode, the connection mode is low in fault tolerance rate, the risk of delaying progress and increasing construction cost due to production returning to a factory exists, the precast columns adopt a connection mode, grouting sleeves are not needed for connection, only the prefabricated columns penetrate through the reserved holes in the node area, concrete is poured in the precast concrete tubular piles, the requirement on the quality of a construction team is not high, and the construction quality is easily guaranteed.
Thirdly, when semi-rigid connection is adopted, rubber pipes or steel pipes with certain length are wrapped between the node area and the prefabricated columns on the upper layer and the lower layer, and sleeves made of other materials can be used, so that the connecting steel bars are separated from concrete in the section and can have certain free length, the connection of the prefabricated columns in the node area is semi-rigid connection, the bending moment distributed by the prefabricated concrete pipe piles is in the range capable of being borne by the prefabricated concrete pipe piles, the normal use of vertical components is guaranteed, designers can directly select the prefabricated concrete pipe piles supplied on the market to form the prefabricated columns according to the internal force capable of being borne by the prefabricated concrete pipe piles, and further the standardization and industrialization degree of the vertical components are improved.
Fourthly, when rigid connection is adopted, rubber pipes or steel pipes are not needed, connecting steel bars are in close contact with concrete, prefabricated columns on the upper layer and the lower layer are reliably connected with the beam, the rigid connection is used for columns with smaller bending moment, so that pile bodies are prevented from cracking, the connection mode is simpler and more convenient than semi-rigid connection construction, and popularization of assembly type buildings is facilitated.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a cross-sectional view of a prefabricated column and its beam-column joint of an assembled concrete building structure according to the present invention, when the prefabricated column is a mid-level column;
FIG. 2 is a cross-sectional view of a prefabricated column and its beam-column joint of the fabricated concrete building structure of the present invention, when the prefabricated column is a sill column;
FIG. 3 is a cross-sectional view of a prefabricated column and its beam-column joint of the fabricated concrete building structure of the present invention, when the prefabricated column is a top column;
FIG. 4 is a plan view of a prefabricated column and beam-column joints thereof of the fabricated concrete building structure of the present invention;
in the figure: 1. prefabricating a concrete pipe pile; 2. pre-stressing a steel bar by using a tubular pile; 3. tubular pile spiral stirrup; 4. connecting reinforcing steel bars; 5. an outer sleeve; 6. prefabricating a beam longitudinal stress steel bar; 7. longitudinally constructing reinforcing steel bars on the precast beams; 8. a joint area stirrup; 9. a beam-column node region; 10. a base slurry layer; 11. reserving a hole; 12. a composite beam; 13. a prefabricated layer of a composite beam; 14. post-pouring a concrete laminated layer; 15. pouring core concrete; 16. a foundation bottom surface; 17. prefabricating a column on the upper layer; 18. and (5) prefabricating the column on the lower layer.
Detailed Description
As shown in fig. 1 to 4, the prefabricated column of the assembled concrete building structure is a prefabricated concrete tubular pile 1, the prefabricated concrete tubular pile 1 comprises a tubular pile prestressed reinforcement 2 which is vertically arranged, a tubular pile bolt stirrup 3 for bundling the tubular pile prestressed reinforcement 2 and core filling concrete 15, a connecting reinforcement 4 is also vertically arranged in the prefabricated concrete tubular pile 1, the connecting reinforcement 4 is provided with an extending end extending out of the prefabricated concrete tubular pile 1, and the extending end is used for being connected with a structural beam of a beam column node area 9; the prefabricated column is used for being connected with the structural beam in an assembling mode. The precast column is suitable for connection between the precast column formed by the precast concrete tubular pile 1 in a prefabricated concrete structure and the superposed beam 12 and the beam column node area 9, and since rigid connection is similar to semi-rigid connection in connection structure, only semi-rigid connection is taken as an illustration.
In this embodiment, the core-filling concrete 15 is poured into the whole precast concrete tubular pile 1, or is poured into a part of the precast concrete tubular pile 1. The part of the connecting steel bar 4 positioned on the precast concrete tubular pile 1 is a continuous through long steel bar and can also be a half steel bar.
As shown in fig. 1, when the prefabricated column is a middle-layer column located at the middle layer, the connecting reinforcing steel bars 4 are continuous reinforcing steel bars, and the upper and lower ends of the connecting reinforcing steel bars 4 passing through the beam-column joint area 9 are respectively anchored to an upper-layer prefabricated column located at the upper layer and a lower-layer prefabricated column located at the lower layer. When the precast concrete tubular pile 1 is used for connecting a middle-layer column, a superposed beam 12 and a beam column node area 9, a lower-layer precast column 18 is installed firstly, the superposed beam 12 and the beam column node area 9 are temporarily fixed through supports, then connecting reinforcing steel bars wrapped with rubber pipes or steel pipes with certain lengths pass through a node area reserved hole 11, concrete is poured into the lower-layer precast column 18, a base grout layer 10 between the top surface of the lower-layer precast column 18 and the node area is filled with base grout, then the node area reserved hole 11 is filled in a grouting mode, finally an upper-layer precast column 17 is installed, and finally, two ends of the connecting reinforcing steel bars 4 penetrating through the node area are anchored in core grouting concrete 15 of the upper-layer precast column 17 and the lower-layer precast column 18 respectively.
As shown in fig. 2, when the prefabricated column is a bottom column located at the bottom, the bottom end of the connecting steel bar 4 is provided with a straight hook formed by bending for anchoring the foundation bottom surface 16. When precast concrete tubular pile 1 was used for bottom column, superposed beam 12 and beam column node district 9 to connect this moment, different with the middle level post that precast post was for being located the intermediate level, connecting reinforcement 4 also need set up rubber tube or steel pipe 5 of wrapping up in certain length when connecting bottom precast post and basis to guarantee this connection for semi-rigid connection, set up one section straight hook and anchor in basic bottom surface 16 after that
When the prefabricated columns are top columns at the top level, the connecting rebars 4 are anchored directly to the structural beams, as shown in fig. 3. When the precast concrete tubular pile 1 is used for connecting the top layer column, the superposed beam 12 and the beam column node area 9, the precast concrete tubular pile is different from the middle layer column positioned on the middle layer, and the connecting reinforcing steel bars 4 are anchored in the node area.
The connecting steel bar 4 is also sleeved with an outer sleeve 5 at the steel bar section positioned in the beam-column joint area 9, so that the connecting steel bar 4 is isolated from concrete in the section and can have a certain free length, and the connection of the prefabricated column in the beam-column joint area 9 is semi-rigid connection; the outer sleeve 5 is a rubber pipe or a steel pipe.
In the prefabricated concrete structure, the prefabricated concrete pipe pile 1 produced in a standardized way is adopted and transported to the site, when the prefabricated concrete pipe pile is installed on the site, concrete is poured into the prefabricated concrete pipe pile, namely core-filling concrete 15, a prefabricated column is formed, the composite beam 12 comprises a prefabricated layer 13 of the composite beam and a post-cast concrete composite layer 14, wherein the prefabricated layer 13 of the composite beam is provided with a key slot and a rough surface on the section according to the requirements of 'prefabricated concrete technical regulation' JGJ1-2014, the prefabricated layer 13 of the composite beam and a beam column node area 9 are prefabricated together in a component factory, a corresponding reserved hole 11 is arranged in the beam column node area 9, seat slurry layer gaps are reserved between the bottom surface of an upper prefabricated column 17 and the beam column node area 9 and between the top surface of a lower prefabricated column 18 and the beam column node area 9, the seat slurry layer gaps are filled by seat slurry to form a seat slurry layer 10, the upper prefabricated column 17 and the lower prefabricated column 18 are connected through connecting steel bars 4, the connecting reinforcing steel bars are ordinary reinforcing steel bars produced in a standardized mode, the connecting reinforcing steel bars are anchored in core-filling concrete 15 in an upper-layer prefabricated column 17 through core-filling concrete 15 of a lower-layer prefabricated column 18 through node area preformed holes 11, rubber pipes or steel pipes with certain lengths are wrapped between a beam column node area 9 and the upper-layer prefabricated column 17 and between the beam column node area and the lower-layer prefabricated column 18, the connecting reinforcing steel bars can also be sleeves made of other materials meeting the durability requirement, the purpose is that the connecting reinforcing steel bars are isolated from concrete in the section and can have certain free lengths, the prefabricated columns are connected in the node area in a semi-rigid mode, holes are filled in the preformed holes 11 in a grouting mode, and the safety and reliability of connection among the beams, the columns and the node area are guaranteed.
In this embodiment, contain the beam column node of above-mentioned precast column, still include the structural beam, precast column is connected with the structural beam assembled. The structural beam can be a superposed beam or a cast-in-place beam. And seat slurry layer gaps are reserved between the bottom surface of the prefabricated column on the upper layer and the beam column node area 9 and between the top surface of the prefabricated column on the lower layer and the beam column node area 9, and seat slurry is filled in the seat slurry layer gaps to form a seat slurry layer 10.
In this embodiment, the beam-column joint is further provided with a joint area stirrup 8 in the joint area for bundling the connecting steel bar 4 located at the joint. The beam column node area 9 is provided with a preformed hole 11, and the diameter of the preformed hole 11 is 20mm larger than that of the connecting steel bar 4, so that the connecting steel bar 4 passes through the beam column node area 9 and the preformed hole 11 and then is subjected to grouting hole sealing.
As shown in fig. 4, the invention is characterized in that a precast concrete tubular pile is used to form a precast column, and a joint area connecting steel bar is wrapped with a rubber pipe or a steel pipe, so that the connection is ensured to be semi-rigid, so as to control the bending moment borne by the precast concrete tubular pile, and the influence on the type of the joint is not great, so that only a plan view of the joint of the center column is selected for explanation, and other joints are not repeated.
The present invention is not limited to the above embodiments, and various other equivalent modifications, substitutions and alterations can be made without departing from the basic technical concept of the invention as described above, according to the common technical knowledge and conventional means in the field. For example: the connecting steel bars are wrapped with sleeves made of other materials with certain lengths, so that the connecting steel bars are isolated from the concrete in the section, certain free length can be achieved, and the prefabricated columns are connected in the node area in a semi-rigid mode; the node can be cast-in-place or prefabricated; the form of the node prefabricated together with the beam is changed into square; the node form is circular, and the stirrup adopts circular stirrup.

Claims (10)

1. The utility model provides an assembled concrete building structure's prefabricated post which characterized in that: the prefabricated pile is a prefabricated concrete tubular pile (1), the prefabricated concrete tubular pile (1) comprises a vertically arranged tubular pile prestressed reinforcement (2), a tubular pile spiral stirrup (3) for bundling the tubular pile prestressed reinforcement (2) and core filling concrete (15), a connecting reinforcement (4) is also vertically arranged in the prefabricated concrete tubular pile (1), the connecting reinforcement (4) is provided with an extending end extending out of the prefabricated concrete tubular pile (1), and the extending end is used for being connected with a structural beam of a beam column node area (9); the prefabricated column is used for being connected with the structural beam in an assembling mode.
2. The prefabricated column of an assembled concrete building structure of claim 1, wherein: and the core pouring concrete (15) is partially poured to form a half precast concrete tubular pile (1) or the whole precast concrete tubular pile (1) is filled.
3. The prefabricated column of an assembled concrete building structure of claim 1, wherein: the part of connecting reinforcement (4) that is located precast concrete tubular pile (1) is half reinforcing bar or for continuous logical long reinforcing bar.
4. The prefabricated column of an assembled concrete building structure of claim 1, wherein: when the prefabricated column is a bottom column positioned at the bottom layer, the bottom end of the connecting steel bar (4) is provided with a section of straight hook formed after bending and used for anchoring on the bottom surface (16) of the foundation; when the prefabricated column is a middle-layer column positioned at the middle layer, the connecting steel bars (4) are continuous steel bars, and the upper end and the lower end of each connecting steel bar (4) penetrating through the beam-column joint area (9) are respectively anchored on an upper-layer prefabricated column positioned at the upper layer and a lower-layer prefabricated column positioned at the lower layer; when the prefabricated column is a top column positioned at the top layer, the connecting steel bars (4) are directly anchored on the structural beam.
5. The prefabricated column of an assembled concrete building structure of claim 4, wherein: the connecting steel bars (4) are also sleeved with outer sleeves (5) at the steel bar sections positioned in the beam-column joint area (9), so that the connecting steel bars (4) are isolated from concrete in the sections and can have certain free length, and the connection of the prefabricated columns in the beam-column joint area (9) is semi-rigid connection; the outer sleeve (5) is a rubber pipe or a steel pipe.
6. A beam column joint comprising a precast column according to any one of claims 1 to 5, wherein: the beam column node further comprises a structural beam, and the prefabricated column is connected with the structural beam in an assembling mode.
7. The beam-column joint of claim 6, wherein: the structural beam is a superposed beam or a cast-in-place beam.
8. The beam-column joint of claim 6, wherein: and seat slurry layer gaps are reserved between the bottom surface of the prefabricated column on the upper layer and the beam column node area (9) and between the top surface of the prefabricated column on the lower layer and the beam column node area (9), and seat slurry is filled in the seat slurry layer gaps to form a seat slurry layer (10).
9. The beam-column joint of claim 6, wherein: the beam column node is further provided with a node area stirrup (8) in the node area, and the node area stirrup is used for bundling the connecting steel bars (4) located at the node.
10. The beam-column joint of claim 6, wherein: the beam column node area (9) is provided with a preformed hole (11), the diameter of the preformed hole (11) is 20mm larger than that of the connecting steel bar (4), so that the connecting steel bar (4) can be conveniently subjected to grouting hole sealing after penetrating through the beam column node area (9) and the preformed hole (11).
CN201910949568.0A 2019-10-08 2019-10-08 Prefabricated column of assembled concrete building structure and beam column node thereof Pending CN111042439A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11293183B2 (en) * 2017-06-02 2022-04-05 China State Construction Engineering Corporation Limited Precast column base joint and construction method therefor
CN115680116A (en) * 2022-11-10 2023-02-03 海南大学 Assembled frame beam column connecting node and construction method thereof
CN116517191A (en) * 2023-06-29 2023-08-01 长春工程学院 Mixed reinforcement precast concrete column with spiral stirrup core column and assembly method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677784A (en) * 2012-05-21 2012-09-19 天津大学 Prefabricated concrete pipe column and reinforced concrete beam node structure and construction method thereof
CN204282530U (en) * 2014-11-26 2015-04-22 天津港航工程有限公司 Adopt the industrial premises frame construction of prefabricated concrete column structure
CN107299641A (en) * 2017-06-02 2017-10-27 中国建筑股份有限公司 A kind of assembled heel join node and its construction method
JP2018141354A (en) * 2017-02-24 2018-09-13 ニュー ワールド チャイナ ランド リミテッド Prefabricated structural system and assembling method therefor
CN208023740U (en) * 2017-11-07 2018-10-30 湖北绿溪建筑科技有限公司 A kind of assembled architecture bean column node
CN211622270U (en) * 2019-10-08 2020-10-02 广东省建筑科学研究院集团股份有限公司 Prefabricated column of assembled concrete building structure and beam column node thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677784A (en) * 2012-05-21 2012-09-19 天津大学 Prefabricated concrete pipe column and reinforced concrete beam node structure and construction method thereof
CN204282530U (en) * 2014-11-26 2015-04-22 天津港航工程有限公司 Adopt the industrial premises frame construction of prefabricated concrete column structure
JP2018141354A (en) * 2017-02-24 2018-09-13 ニュー ワールド チャイナ ランド リミテッド Prefabricated structural system and assembling method therefor
CN107299641A (en) * 2017-06-02 2017-10-27 中国建筑股份有限公司 A kind of assembled heel join node and its construction method
CN208023740U (en) * 2017-11-07 2018-10-30 湖北绿溪建筑科技有限公司 A kind of assembled architecture bean column node
CN211622270U (en) * 2019-10-08 2020-10-02 广东省建筑科学研究院集团股份有限公司 Prefabricated column of assembled concrete building structure and beam column node thereof

Cited By (5)

* Cited by examiner, † Cited by third party
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US11293183B2 (en) * 2017-06-02 2022-04-05 China State Construction Engineering Corporation Limited Precast column base joint and construction method therefor
CN115680116A (en) * 2022-11-10 2023-02-03 海南大学 Assembled frame beam column connecting node and construction method thereof
CN115680116B (en) * 2022-11-10 2023-08-04 海南大学 Assembled frame beam column connection node and construction method thereof
CN116517191A (en) * 2023-06-29 2023-08-01 长春工程学院 Mixed reinforcement precast concrete column with spiral stirrup core column and assembly method thereof
CN116517191B (en) * 2023-06-29 2023-10-10 长春工程学院 Mixed reinforcement precast concrete column with spiral stirrup core column and assembly method thereof

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