CN109914590A - A kind of prefabricated beam-column connection and its construction method - Google Patents
A kind of prefabricated beam-column connection and its construction method Download PDFInfo
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- CN109914590A CN109914590A CN201910260372.0A CN201910260372A CN109914590A CN 109914590 A CN109914590 A CN 109914590A CN 201910260372 A CN201910260372 A CN 201910260372A CN 109914590 A CN109914590 A CN 109914590A
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Abstract
The present invention provides a kind of prefabricated beam-column connection and its construction methods, prefabricated beam-column connection includes concrete column and beams of concrete, it is equipped in concrete column and indulges muscle along the column that cylinder length direction extends, it is equipped in beams of concrete and indulges muscle along the beam that beam body length direction extends, prefabricated beam-column connection further includes the metal damper being connected between concrete column and beams of concrete, concrete column includes being embedded in the intracorporal anchoring piece of column, beams of concrete includes indulging the embedded section that muscle is connect with beam, metal damper is fixedly connected with embedded section, metal damper includes connecting plate, by male screw connector by connecting plate and anchoring piece releasable connection, interior joint connection type compared with the prior art, metal damper can play the role of energy-absorbing damping, other steps are also eliminated while reaching essentially identical effect, entire peace It fills simple to operate, is conducive to rapid construction.
Description
Technical field
The present invention relates to the technical fields of building structure, and in particular to a kind of prefabricated beam-column connection and its construction party
Method.
Background technique
At present in construction, the method for generalling use the poured in place concrete in the framework of steel reinforcement of knitting forming is existing
While the beam-column connection of pouring concrete has higher-strength and shock resistance, big, molding time that there is also wet construction amounts
Long, the problems such as environmental pollution is serious.But if only simply connected to prefabricated concrete column and beams of concrete,
Obviously the performance requirements such as the intensity of building structure are not able to satisfy again.
Chinese invention patent application as application publication number is CN108842912A, data of publication of application is 2018.11.20 is public
A kind of assembled Self-resetting prestressed concrete frame friction energy-dissipating node has been opened, and has specifically disclosed assembled Self-resetting and answers in advance
Power concrete frame friction energy-dissipating node includes prefabricated reinforced concrete column, precast reinforced concrete beam, styletable pre-embedded steel slab, rubs
Pad, beam-ends pre-embedded steel slab, un-bonded prestressed steel strand, prestress wire duct；End plate is welded on styletable pre-embedded steel slab
Anchor bar and friction track steel plate are welded with shear stud on beam-ends pre-embedded steel slab, reserve bolt on precast reinforced concrete beam
Duct, high-strength bolt pass through precast reinforced concrete beam upper end bolt duct will be located at precast reinforced concrete beam at the top of and
Friction plate, friction track steel plate and the beam-ends pre-embedded steel slab of bottom connect, and fasten high-strength bolt and apply pressure.By rubbing
Wiping energy consumption enables prefabricated assembled concrete frame construction to have excellent anti-seismic performance and Self-resetting under high-intensitive earthquake
Power.
When carrying out bean column node connection using the friction energy-dissipating structure of the prior art, need to wear prestressing force between beam column
Steel strand wires and the prestressed size of adjusting, the operating difficulties of such node connection, are unfavorable for rapid construction.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of prefabricated beam-column connections, to solve
Using the prior art friction energy-dissipating structure carry out bean column node connection when, node connection operating difficulties, can not rapid construction
The problem of.The object of the invention is also to provide a kind of construction methods of prefabricated beam-column connection simultaneously.
The technical solution of prefabricated beam-column connection of the invention are as follows:
Prefabricated beam-column connection includes concrete column and beams of concrete, is equipped in the concrete column along cylinder length
The column that direction extends indulges muscle, is equipped in the beams of concrete and indulges muscle, the prefabricated beam column along the beam that beam body length direction extends
Connecting node further includes the metal damper being connected between concrete column and beams of concrete, and the concrete column includes being embedded in
The intracorporal anchoring piece of column, the beams of concrete include indulging the embedded section that muscle is connect with beam, and the metal damper and embedded section are solid
Fixed connection, the metal damper includes connecting plate, by male screw connector by connecting plate and anchoring piece releasable connection.
The utility model has the advantages that the assembling process of entire beam-column connection, since beams of concrete and metal damper are in processing space
Therefore ground first prefabricated connection only needs the connection for carrying out concrete column and metal damper in construction site, adopts therebetween
It is realized and is connected with male screw connector, first is that can ensure higher bonding strength, second is that only needing torquing operations more convenient.Phase
Than in prior art interior joint connection type, metal damper can play the role of energy-absorbing damping, reaching essentially identical effect
Other steps are also eliminated while fruit, entirely install simple to operate, are conducive to rapid construction.
Further, in order to which the structure for improving metal damper and beams of concrete is integrally spent, the beams of concrete is also wrapped
The beam-ends positioning plate connecting with embedded section is included, the beam-ends positioning plate is embedded in the end position of beam body, the plate of beam-ends positioning plate
Face is bonded with the end face of beam body.
Further, in order to guarantee effective combination of embedded section and concrete beam body, the embedded section includes that opening is opposite
Two U-lag sections being arranged, two U-lag sections along beam body length direction extend, the beam indulge muscle respectively with two U-lag sections
Cell wall connection, be also connected with reinforcing rib between two U-lag sections.
Further, the anchoring piece includes column side screw shell, the male screw connector be for column side screw thread
The column side bolt of sleeve cooperation.
Further, in order to guarantee that the regular and connection precision of column side face, the lateral location of the concrete column are equipped with
Column side positioning plate for being connected with anchoring piece, column side positioning plate and cylinder formed by integrally casting form, the side of column side positioning plate with
The side of cylinder is bonded, and connecting plate is fastened with column side positioning plate by male screw connector and is connect.
Further, in order to improve fastness of the anchoring piece in cylinder, the anchoring piece includes being open towards cylinder side
The U-shaped anchor reinforcement in face, column side screw shell are connected to the end positions of U-shaped anchor reinforcement.
Further, in order to guarantee that connecting node has good shearing resistance and anti-bending strength, the metal damper includes
Length direction perpendicular to connecting plate I-shaped energy consumption section, it is described it is I-shaped energy consumption section web be in vertical plane, the work
The upper and lower wing plate of font energy consumption section is in horizontal plane.
The technical solution of the construction method of prefabricated beam-column connection of the invention are as follows:
The construction method of prefabricated beam-column connection, comprising the following steps:
(1) it is indulged in muscle in the column of concrete column and sets anchoring piece, anchoring piece formed by integrally casting is in cylinder；Muscle end is indulged in beam to connect
Embedded section is connect, metal damper is fixedly connected with embedded section, and pouring beam body makes embedded section be located inside beam body, make metal damper
Stretch out beam body end；
(2) the hoisting prefabricated beams of concrete for having metal damper, connecting plate are directed at the position of anchoring piece, screw male screw company
Fitting makes connecting plate be fastened in the lateral location of concrete column.
The utility model has the advantages that the assembling process of entire beam-column connection, since beams of concrete and metal damper are in processing space
Therefore ground first prefabricated connection only needs the connection for carrying out concrete column and metal damper in construction site, adopts therebetween
It is realized and is connected with male screw connector, first is that can ensure higher bonding strength, second is that only needing torquing operations more convenient.Phase
Than in prior art interior joint connection type, metal damper can play the role of energy-absorbing damping, reaching essentially identical effect
Other steps are also eliminated while fruit, entirely install simple to operate, are conducive to rapid construction.
Further, in order to avoid metal damper is directly contacted with concrete surface and damages cylinder, metal resistance is improved
The structure of Buddhist nun's device and beams of concrete is integrally spent, before casting concrete column, the connecting column side positioning plate on anchoring piece, it is ensured that mixed
The plate face of solidifying earth pillar pouring molding rear pillar side positioning plate is bonded with the side of cylinder；Before casting concrete beam, in embedded section
Upper connection beam-ends positioning plate, it is ensured that the plate face of beam-ends positioning plate is bonded with the end face of beam body after beams of concrete pouring molding.
It further,, will even before step (1) in order to guarantee that connecting node has good shearing resistance and anti-bending strength
Fishplate bar is weldingly fixed on the length direction end of I-shaped energy consumption section, makes the length direction of I-shaped energy consumption section perpendicular to connection
Plate completes the production of metal damper.
Detailed description of the invention
Fig. 1 is the outline structural diagram of the specific embodiment 1 of prefabricated beam-column connection of the invention；
Fig. 2 is the inner skeleton connection schematic diagram of the specific embodiment 1 of prefabricated beam-column connection of the invention；
Fig. 3 is the inner skeleton decomposition diagram of the specific embodiment 1 of prefabricated beam-column connection of the invention；
Fig. 4 is the skeleton of beams of concrete and the connection schematic diagram of metal damper in Fig. 3；
Fig. 5 is the connection schematic diagram that Fig. 3 central sill indulges muscle and metal damper；
Fig. 6 is the skeleton schematic diagram of concrete column in Fig. 3.
In figure: 1- concrete column, 10- column are indulged muscle, 11- anchoring piece, 110-U shape anchor bar, 12- positioning plate, 120- and are led to
Hole, 13- column side screw shell, 2- beams of concrete, 20- beam indulge muscle, 21- embedded section, 210-U shape slot section, 211- reinforcing rib, 22-
The I-shaped energy consumption section of beam-ends positioning plate, 3- metal damper, 30-, 300- web, 301- upper flange, 302- lower wing plate, 31- connect
Fishplate bar, 310- perforation, 4- column side bolt.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The specific embodiment 1 of prefabricated beam-column connection of the invention, as shown in figs 1 to 6, prefabricated beam-to-column joint
Node includes that concrete column 1, beams of concrete 2 and the metal connected between 1 side of concrete column and 2 end face of beams of concrete damp
Device 3 is equipped with the vertical muscle 10 of column extended along cylinder length direction in concrete column 1, and the length direction of cylinder refers to vertical side herein
To equipped with the vertical muscle 20 of beam extended along beam body length direction in beams of concrete 2, the length direction of beam body refers to level side herein
To.
Be embedded with anchoring piece 11 in cylinder, anchoring piece 11 include opening towards column side face U-shaped anchor reinforcement 110 with
And it is connected to the column side screw shell 13 of the end positions of U-shaped anchor reinforcement 110.In the present embodiment, U-shaped anchor reinforcement 110
It is equipped with external screw thread close to end positions, column side screw shell 13 is screwed on two external screw threads of U-shaped anchor reinforcement 110, and is protected
The screw-in depth for demonstrate,proving U-shaped anchor reinforcement 110 is not more than the 1/2 of 13 overall length of column side screw shell.In order to facilitate assembly operation, at it
In his embodiment, two column side screw shells can be respectively welded to the end positions of U-shaped anchor reinforcement.The end of anchoring piece 11 connects
It is connected to positioning plate 12, through-hole 120 is offered on positioning plate 12, the aperture of through-hole 120 is slightly larger than the internal diameter of column side screw shell 13,
The other end of column side screw shell 13 is welded on 120 position of through-hole of positioning plate 12.Setting positioning plate 12 in column side face both can be with
The structural strength for improving column side face position, avoids metal damper 3 from directly contacting with concrete surface and damage cylinder, Er Qiejin
The plate face flatness for belonging to positioning plate 12 made of material is high, it is ensured that the connection essence between metal damper 3 and concrete column 1
Degree.Column tie-bar and column are indulged 10 bundling shaping of muscle to be placed in mold, the casting concrete into mold, make the plate face of positioning plate with
The side fitting of cylinder, guarantees that the outer surface of entire concrete column 1 is regular after molding.
The end position that the beam of beams of concrete 2 indulges muscle 20 is connected with embedded section 21, and embedded section 21 includes that opening is opposite up and down
Two U-lag sections 210 being arranged, two U-lag sections 210 extend along the length direction of beam body.The end that beam indulges muscle 20, which is welded, to be connected
It connects on the cell wall of two U-lag sections 210, two U-lag sections 210 are connected with multiple reinforcing ribs between ipsilateral side wall
211, reinforcing rib 211 vertically extends.It, in other embodiments, can will be by two U in the case where facilitating welding to operate
The structure that shape slot section is combined with reinforcing rib is substituted for rectangular steel pipe, and beam is indulged muscle and is welded to connect on the side wall of rectangular steel pipe.Pre-
The end for burying section 21 sets beam-ends positioning plate 22, and the structural strength of beam body end face area both can be improved, and avoids making gold because of vibration
Belong to damper 3 and damage concrete beam body, improves metal damper 3 and the structure of beams of concrete 2 is integrally spent.By beam stirrup and beam
Vertical 20 bundling shaping of muscle is placed in mold, and into mold, casting concrete makes the plate face of positioning plate and the end of beam body after molding
Face paste is closed, and guarantees that the outer surface of entire beams of concrete 2 is regular.
Metal damper 3 includes the I-shaped energy consumption section 30 and connecting plate 31 being welded to connect on beam-ends positioning plate 22, work
The length direction of font energy consumption section 30 includes the web 300 in vertical plane perpendicular to connecting plate 31, I-shaped energy consumption section 30
And upper flange 301 and lower wing plate 302 in horizontal plane.Perforation 310 is offered on connecting plate 31, perforation 31 is fixed with column side
The position of through-hole 120 on the plate 12 of position is corresponding.In the present embodiment, the web 300 of I-shaped energy consumption section 30 is in vertical plane, is protected
Having demonstrate,proved beam-column connection in the vertical direction has good shearing resistance and anti-bending strength, the upper and lower wing of I-shaped energy consumption section 30
Plate is in horizontal plane, and ensure that beam-column connection in the horizontal direction has good shearing resistance and anti-bending strength.It is more important
, I-shaped energy consumption section 30 is with high-intensitive elastic deformability, it is ensured that in vibration, beam-column connection, which has, inhales
Energy and cushioning effect.
In use, welding beam-ends positioning plate 22 in the end of embedded section 21, embedded section 21 and Liang Zong muscle 20 is welded to connect,
The I-shaped energy consumption section 30 of metal damper 3 is welded to connect on beam-ends positioning plate 22 again, in a mold casting concrete from
And form the metal damper 3 of prefabricated and the composite structure of beams of concrete 2.The hoisting prefabricated concrete for having metal damper 3
Beam 2 makes 120 position of through-hole of the 310 alignment post side positioning plate 12 of perforation of connecting plate 31, column side bolt 4 is sequentially passed through perforation
310 and through-hole 120 be screwed in column side screw shell 13, tightening column side bolt 4 makes connecting plate 31 be fastened in column side positioning
On plate 12, the assembly and connection between beams of concrete 2, metal damper 3 and concrete column 1 is realized.
The assembling process of entire beam-column connection, since beams of concrete 2 is first prefabricated in processing site with metal damper 3
Therefore connection only needs the connection for carrying out concrete column 1 and metal damper 2 in construction site, therebetween using high-strength
It spends bolt and realizes connection, first is that can ensure higher bonding strength, second is that only needing precession bolt easy to operate.Compared to existing
The energy consumption section of technology interior joint connection type, metal damper 3 can play the role of energy-absorbing damping, reach essentially identical effect
Other steps are also eliminated while fruit, entirely install simple to operate, are conducive to rapid construction.
Concrete construction method is as follows:
(1) metal damper 3 is made, first opens up perforation 310 in connecting plate 31, perforation 310 is located at the close of connecting plate 31
Marginal position to avoid because consume energy section there are due to interfere subsequent rotary screwing thread connector；Connecting plate 31 is weldingly fixed on I-shaped
The length direction end position of type energy consumption section 30 makes the length direction of I-shaped energy consumption section 30 perpendicular to connecting plate 31, that is, completes
The production of metal damper 3；
(2) column side screw shell 13 is screwed on the external screw thread at 110 both ends of U-shaped anchor reinforcement, it is ensured that U-shaped anchor reinforcement
110 screw-in depth is not more than the 1/2 of 13 overall length of column side screw shell, is then welded on the other end of column side screw shell 13
120 position of through-hole of column side positioning plate 12.The anchoring piece 11 connected is placed in column to indulge in muscle 10, it is ensured that column side positioning plate 12
In the lateral location of cylinder, then the casting concrete into mold, completes the production of concrete column；20 end of muscle is indulged in beam to connect
The I-shaped energy consumption section 30 of embedded section 21 and beam-ends positioning plate 22, metal damper 3 is welded to connect in the another of beam-ends positioning plate 22
One side, the then casting concrete into mold ensure that embedded section 21 is located inside beam body, ensures that metal damps after beam modeled
The I-shaped energy consumption section 30 of device 3 stretches out beam body end along beam body length direction, and completion beams of concrete 2 is pre- with metal damper 3
System connection.
(3) the hoisting prefabricated beams of concrete 2 for having metal damper 3, by the perforation on the connecting plate 31 of metal damper 3
120 position of through-hole of 310 alignment post side positioning plates 12, connecting plate 31 is fitted on column side positioning plate 12, passes through 310 Hes of perforation
Through-hole 120 screws column side bolt 4 in column side screw shell 13, and tightening column side bolt 4 makes 120 secured fit of connecting plate in column side
On positioning plate 12, effective connection of metal damper 3,1 three of beams of concrete 2 and concrete column is realized.
The specific embodiment 2 of prefabricated beam-column connection of the invention, is with the difference of specific embodiment 1, in order to
Simplify structure, reduces construction procedure, can save and set column side screw shell at the both ends of U-shaped anchor reinforcement, and in U-shaped anchor reinforcement
Close end positions integrally set end thread section, end thread section is pierced by column side positioning plate and is welded and fixed in through-holes.
When connecting metal damper, it is ensured that the perforation on connecting plate is directed at end thread section, and connecting plate is fitted on column side positioning plate,
So that end bolt section is stretched out connecting plate and then screw column side nut, tightens column side nut and realize the tight of connecting plate and column side positioning plate
It is solidly connected.Column side nut constitutes the male screw connector for cooperating with end bolt section.
The specific embodiment of the construction method of prefabricated beam-column connection of the invention, with prefabricated beam column of the invention
The specific implementation of construction method is identical in the specific embodiment of connecting node, and details are not described herein.
Claims (10)
1. a kind of prefabricated beam-column connection, including concrete column and beams of concrete, it is equipped in the concrete column along cylinder
The column that length direction extends indulges muscle, is equipped in the beams of concrete and indulges muscle along the beam that beam body length direction extends, characterized in that institute
Stating prefabricated beam-column connection further includes the metal damper being connected between concrete column and beams of concrete, the concrete
Column includes being embedded in the intracorporal anchoring piece of column, and the beams of concrete includes indulging the embedded section that muscle is connect, the metal damping with beam
Device is fixedly connected with embedded section, and the metal damper includes connecting plate, by male screw connector by connecting plate and anchoring piece
Releasable connection.
2. prefabricated beam-column connection according to claim 1, characterized in that the beams of concrete further include with it is pre-buried
The beam-ends positioning plate of section connection, the beam-ends positioning plate are embedded in the end position of beam body, the plate face and beam body of beam-ends positioning plate
End face fitting.
3. prefabricated beam-column connection according to claim 1 or 2, characterized in that the embedded section includes opening phase
To two U-lag sections of setting, two U-lag sections extend along the length direction of beam body, the beam indulge muscle respectively with two U-lags
The cell wall of section connects, and is also connected with reinforcing rib between two U-lag sections.
4. prefabricated beam-column connection according to claim 1 or 2, characterized in that the anchoring piece includes column side spiral shell
Line sleeve, the male screw connector are the column side bolt for cooperating with column side screw shell.
5. prefabricated beam-column connection according to claim 1 or 2, characterized in that the side position of the concrete column
The column side positioning plate for being connected with anchoring piece is installed, column side positioning plate and cylinder formed by integrally casting form, column side positioning plate
Side is bonded with the side of cylinder, and connecting plate is fastened with column side positioning plate by male screw connector and is connect.
6. prefabricated beam-column connection according to claim 4, characterized in that the anchoring piece includes being open towards column
The U-shaped anchor reinforcement of body side surface, column side screw shell are connected to the end positions of U-shaped anchor reinforcement.
7. prefabricated beam-column connection according to claim 1 or 2, characterized in that the metal damper includes length
Direction is spent perpendicular to the I-shaped energy consumption section of connecting plate, and the web of the I-shaped energy consumption section is in vertical plane, the I-shaped
The upper and lower wing plate of type energy consumption section is in horizontal plane.
8. a kind of construction method of prefabricated beam-column connection, characterized in that the following steps are included:
(1) it is indulged in muscle in the column of concrete column and sets anchoring piece, anchoring piece formed by integrally casting is in cylinder；It is pre- that the connection of muscle end is indulged in beam
Section is buried, metal damper is fixedly connected with embedded section, and pouring beam body makes embedded section be located inside beam body, stretch out metal damper
Beam body end；
(2) the hoisting prefabricated beams of concrete for having metal damper, connecting plate are directed at the position of anchoring piece, screw male screw connector
Connecting plate is set to be fastened in the lateral location of concrete column.
9. the construction method of prefabricated beam-column connection according to claim 8, characterized in that in casting concrete column
Before, the connecting column side positioning plate on anchoring piece, it is ensured that the plate face of concrete column pouring molding rear pillar side positioning plate and cylinder
Side fitting；Before casting concrete beam, beam-ends positioning plate is connected on embedded section, it is ensured that the beams of concrete pouring molding back rest
The plate face of end positioning plate is bonded with the end face of beam body.
10. the construction method of prefabricated beam-column connection according to claim 8, characterized in that step (1) it
Before, connecting plate is weldingly fixed on to the length direction end of I-shaped energy consumption section, keeps the length direction of I-shaped energy consumption section vertical
In connecting plate, the production of metal damper is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910260372.0A CN109914590A (en) | 2019-04-01 | 2019-04-01 | A kind of prefabricated beam-column connection and its construction method |
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| CN201910260372.0A CN109914590A (en) | 2019-04-01 | 2019-04-01 | A kind of prefabricated beam-column connection and its construction method |
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Cited By (7)
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| CN110644616A (en) * | 2019-09-28 | 2020-01-03 | 福建源竑建设工程有限公司 | Precast concrete beam column connection node structure and construction method thereof |
| CN111794377A (en) * | 2020-07-29 | 2020-10-20 | 福州大学 | L-shaped prefabricated assembly type beam-column joint |
| CN112031159A (en) * | 2020-09-03 | 2020-12-04 | 黄淮学院 | Combination structure of precast beam and precast column |
| CN112942681A (en) * | 2021-03-15 | 2021-06-11 | 重庆大学 | Assembled truss concrete beam capable of being quickly replaced after earthquake |
| CN113529945A (en) * | 2021-08-24 | 2021-10-22 | 西安建筑科技大学 | Self-resetting beam-column energy consumption connecting piece and construction method thereof |
| CN113585512A (en) * | 2021-08-30 | 2021-11-02 | 尚庆鹏 | Assembled-based anti-seismic node structure |
| CN113846747A (en) * | 2021-09-24 | 2021-12-28 | 北京建筑大学 | Assembled beam column node structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110644616A (en) * | 2019-09-28 | 2020-01-03 | 福建源竑建设工程有限公司 | Precast concrete beam column connection node structure and construction method thereof |
| CN111794377A (en) * | 2020-07-29 | 2020-10-20 | 福州大学 | L-shaped prefabricated assembly type beam-column joint |
| CN112031159A (en) * | 2020-09-03 | 2020-12-04 | 黄淮学院 | Combination structure of precast beam and precast column |
| CN112942681A (en) * | 2021-03-15 | 2021-06-11 | 重庆大学 | Assembled truss concrete beam capable of being quickly replaced after earthquake |
| CN113529945A (en) * | 2021-08-24 | 2021-10-22 | 西安建筑科技大学 | Self-resetting beam-column energy consumption connecting piece and construction method thereof |
| CN113585512A (en) * | 2021-08-30 | 2021-11-02 | 尚庆鹏 | Assembled-based anti-seismic node structure |
| CN113846747A (en) * | 2021-09-24 | 2021-12-28 | 北京建筑大学 | Assembled beam column node structure |
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Application publication date: 20190621 |
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