CN208733811U - A kind of beam-to-column joint structure of assembly concrete frame - Google Patents
A kind of beam-to-column joint structure of assembly concrete frame Download PDFInfo
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- CN208733811U CN208733811U CN201821228522.7U CN201821228522U CN208733811U CN 208733811 U CN208733811 U CN 208733811U CN 201821228522 U CN201821228522 U CN 201821228522U CN 208733811 U CN208733811 U CN 208733811U
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- fashioned iron
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- concrete
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Abstract
The utility model provides a kind of beam-to-column joint structure of assembly concrete frame, node including orthogonal concrete column and concrete beam body and for connecting the cylinder and beam body, the node includes fashioned iron I, fashioned iron II and steel plate connector, I one end of fashioned iron is embedded in cylinder, and the other end protrudes from damaged surface and and column vertical；II one end of fashioned iron is embedded in beam body, and the other end protrudes from beam body end face and parallel with beam body；The fashioned iron I is detachably fixed by the steel plate connector with fashioned iron II and is connect.The utility model structure is simple, beam column built from concrete can easily and effectively be connected, beam-ends plastic hinge region is transferred to other positions of beam-ends from the beam-ends root of stress complexity, strengthen styletable and node Seismic Bearing Capacity, when concrete beam body and steel plate connector are damaged seriously or are destroyed, maintenance and replacement can be carried out to concrete beam body and steel plate connector, enhance integrally-built restorability.
Description
Technical field
The utility model relates to structural engineering technical field, the beam column of specially a kind of assembly concrete frame connects
Binding structure.
Background technique
Prefabricated concrete structure be building industrialization and housing industrialization development trend, prefabricated concrete structure by
In having the advantages that quality stabilization, high production efficiency, labor intensity of workers are low etc., is conducive to protect environment and realizes that society is sustainable
Development.But prefabricated concrete structure deposits connection reliability between components and structural integrity is poor, therefore in all previous Earthquake
In evil, the damage and failure of prefabricated concrete structure is all more serious.
China existing " prefabricated concrete structure technical regulation " provides the structure of equivalent cast-in-place node referring to cast-in-place at present
Structure carries out Aseismic Design, and equivalent cast-in-place node connection type mostly uses wet type to connect, i.e., first the vertical muscle of each component of beam column exists
Node region is using slurry anchor connection (or mechanical connection), rear cast-in-place concrete.However, beam-ends is to be expected in frame structure earthquake
The dry type connection of the position of existing plastic hinge region, wet type connection or routine, plastic hinge region is often Chong Die with linkage interface, damage and failure master
Beam-to-column joint interface is concentrated on, is damaged so as to cause the local failure of connecting portion, the deformation of plastic hinge, energy dissipation capacity
It loses.Generating the nonlinear deformation at beam-to-column joint interface is also easy to make the concrete of joint cores to crack ahead of time, to reduce
The shock resistances of joint cores concrete.
Utility model content
For the defects in the prior art, the utility model provides a kind of beam-to-column joint knot of assembly concrete frame
Structure, structure is simple, can easily and effectively connect beam column built from concrete, by beam-ends plastic hinge region from the beam-ends root of stress complexity
Other positions of beam-ends are transferred to, styletable and node Seismic Bearing Capacity are strengthened.
Technical solutions of the utility model are as follows:
A kind of beam-to-column joint structure of assembly concrete frame, including orthogonal concrete column and beams of concrete
Body and node for connecting the cylinder and beam body, it is characterised in that: the node includes fashioned iron I, fashioned iron II and steel plate
Connector, I one end of fashioned iron are embedded in cylinder, and the other end protrudes from damaged surface and and column vertical；II one end of fashioned iron is pre-buried
In beam body, the other end protrudes from beam body end face and parallel with beam body；The fashioned iron I passes through the steel plate connector with fashioned iron II
It is detachably fixed connection.
Further, the fashioned iron I is in ├ shape structure comprising perpendicular section and is linked together with perpendicular section and vertical with perpendicular section
Crosspiece, the perpendicular section is embedded in the cylinder along height of column direction, the horizontal end protrude from damaged surface and with it is described
Column vertical, one end that the fashioned iron I protrudes the crosspiece of cylinder and fashioned iron II protrudes beam body are removable by the steel plate connector
It unloads and is fixedly connected.
Further, the fashioned iron I and fashioned iron II are the identical H profile steel of model, H profile steel include two opposite flange plates with
And longitudinal web, web longitudinal measure in the middle part of two flange plates between.
Further, the steel plate connector includes two pieces of junction steel plates and four blocks of angle cleats, four pieces of joint angles
Steel is symmetricly set on up and down at four angles on the inside of fashioned iron I and the flange plate of II junction of fashioned iron, two pieces of connections steel
Plate is symmetrical set in the web two sides of fashioned iron I and II junction of fashioned iron.
The utility model has the following beneficial effects:
1, in the pre-buried fashioned iron I of concrete column, in the pre-buried fashioned iron II of concrete beam body, then pass through steel plate connector for type
Steel I and fashioned iron II are detachably fixed connection, and then the beam column component of assembly concrete frame is easily and effectively attached,
Structure is simple, easy to connect.
2, steel plate connector is made of the angle cleat and junction steel plate of low-yield, steel plate connector transfer beams end section
Shearing, moment of flexure and axle power, i.e. steel plate connector is the preset damage of bean column node or destroyed area, i.e., default plastic hinge region,
In this way, beam-ends plastic hinge is transferred to the position artificially weakened by the beam-ends root of stress complexity, and then strengthen styletable, node
Seismic Bearing Capacity is conducive to realize the destruction mould of expected " the weak component of strong node, strong column and weak beam, the weak component of strong ties " under macroseism
Formula.
3, can easily bean column node be repaired or is replaced after damaged, realize integrally-built fast quick-recovery,
To save human and material resources, financial resources, protection environment and social sustainable development are realized.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
The required attached drawing of specific embodiment is briefly described.In all the appended drawings, similar element or part generally by
Similar appended drawing reference mark.In attached drawing, each element or part might not be drawn according to actual ratio.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the main view of Fig. 1 (internal structure is visible)；
Fig. 3 is the structural schematic diagram of the utility model node；
Fig. 4 is the structural schematic diagram that the steel plate connector of Fig. 3 interior joint disconnects；
In attached drawing: 1- cylinder；2- beam body；3- node；4- fashioned iron I；5- steel plate connector；501- junction steel plate；502- connects
Connect angle steel；6- fashioned iron II；7- flange plate；8- web.
Specific embodiment
The embodiments of the present invention are described in further detail with reference to the accompanying drawing.
In the present embodiment, the orientation or position of the instructions such as term " on " "lower" " left side " " right side " " preceding " " rear " " upper end " " lower end "
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing, rather than indication or suggestion meaning
Device or element must have a particular orientation, constructed or operated with specific orientation, therefore should not be understood as practical new to this
The limitation of type.
As shown in Figures 1 to 4, a kind of beam-to-column joint structure of assembly concrete frame, including orthogonal coagulation
Earth pillar body 1 and concrete beam body 2 and node 3 for connecting the cylinder 1 and beam body 2.The node 3 include fashioned iron I 4,
Fashioned iron II 6 and steel plate connector 5.
Fashioned iron I 4 is in ├ shape structure comprising perpendicular section 401 and is linked together with perpendicular section and the crosspiece vertical with perpendicular section
402, the perpendicular section 401 is embedded in the cylinder 1 along height of column direction, the horizontal end 402 protrude from 1 surface of cylinder and with
Cylinder 1 is vertical.II one end of fashioned iron is embedded in beam body 2, and the other end protrudes from 2 end face of beam body and parallel with beam body 2.The steel plate
5 one end of connector is bolted to connection on the crosspiece 402 that fashioned iron I protrudes damaged surface, and 5 other end of steel plate connector is logical
It crosses bolt and is fixedly connected on fashioned iron II 6 and protrude from one end of 2 end face of beam body, and then by 2 company of being detachably fixed of cylinder 1 and beam body
It connects.In the pre-buried fashioned iron I of concrete column, in the pre-buried fashioned iron II of concrete beam body, then pass through steel plate connector for fashioned iron I and type
Steel II is detachably fixed connection, and then the beam column component of assembly concrete frame is easily and effectively attached, structure letter
It is single, it is easy to connect.
The fashioned iron I 4 and fashioned iron II 6 are the identical H profile steel of model, as shown in figure 3, H profile steel includes the two opposite edges of a wing
Plate 7 and the web 8 of longitudinal direction, 8 longitudinal measure of web is between two flange plates, 7 middle part.The steel plate connector includes two pieces of companies
Steel plate 501 and four blocks of angle cleats 502 are connect, four blocks of angle cleats 502 are symmetricly set on fashioned iron I and fashioned iron II up and down
At four angles on the inside of the flange plate of junction, two pieces of junction steel plates 501 are symmetrical set to be connected in fashioned iron I and fashioned iron II
Connect the web two sides at place.
Steel plate connector 5 is one section of beam being assembled into using the low-yield angle steel after section weakens, transfer beams
Shearing, moment of flexure and the axle power of end section, i.e. steel plate connector are the preset damage of bean column node or destroyed area, i.e., default plasticity
Area is cut with scissors, in this way, beam-ends plastic hinge is transferred to the position artificially weakened by the beam-ends root of stress complexity, and then strengthens column
End, node Seismic Bearing Capacity are conducive to realize expected " the weak component of strong node, strong column and weak beam, the weak component of strong ties " under macroseism
Failure mode, when concrete beam body and the damage of steel plate connector are serious or when destroying, can to concrete beam body with
Steel plate connector carries out maintenance and replacement, is conducive to enhance integrally-built restorability.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that；
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution should all cover in the claim of the utility model and the range of specification.
Claims (4)
1. a kind of beam-to-column joint structure of assembly concrete frame, including orthogonal concrete column and concrete beam body
And the node for connecting the cylinder and beam body, it is characterised in that: the node includes that fashioned iron I, fashioned iron II and steel plate connect
Fitting, I one end of fashioned iron are embedded in cylinder, and the other end protrudes from damaged surface and and column vertical；II one end of fashioned iron is embedded in
In beam body, the other end protrudes from beam body end face and parallel with beam body；The fashioned iron I can by the steel plate connector with fashioned iron II
Disassembly is fixedly connected.
2. the beam-to-column joint structure of assembly concrete frame according to claim 1, it is characterised in that: the fashioned iron I
In ├ shape structure comprising perpendicular section and be linked together with perpendicular section and the crosspiece vertical with perpendicular section, the perpendicular section is along height of column
Direction is embedded in the cylinder, the crosspiece protrude from damaged surface and with the column vertical, the fashioned iron I protrudes cylinder
Crosspiece and fashioned iron II protrude one end of beam body and be detachably fixed and connect by the steel plate connector.
3. the beam-to-column joint structure of assembly concrete frame according to claim 2, it is characterised in that: the fashioned iron I
It is the identical H profile steel of model with fashioned iron II, H profile steel includes the web of opposite two flange plates and longitudinal direction, web longitudinal measure
Between in the middle part of two flange plates.
4. the beam-to-column joint structure of assembly concrete frame according to claim 3, it is characterised in that: the steel plate connects
Fitting include two pieces of junction steel plates and four blocks of angle cleats, four blocks of angle cleats be symmetricly set on up and down fashioned iron I with
At four angles on the inside of the flange plate of II junction of fashioned iron, two pieces of junction steel plates are symmetrical set in fashioned iron I and fashioned iron
The web two sides of II junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228522.7U CN208733811U (en) | 2018-08-01 | 2018-08-01 | A kind of beam-to-column joint structure of assembly concrete frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228522.7U CN208733811U (en) | 2018-08-01 | 2018-08-01 | A kind of beam-to-column joint structure of assembly concrete frame |
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| CN208733811U true CN208733811U (en) | 2019-04-12 |
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| CN201821228522.7U Active CN208733811U (en) | 2018-08-01 | 2018-08-01 | A kind of beam-to-column joint structure of assembly concrete frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106979A (en) * | 2019-05-20 | 2019-08-09 | 江南大学 | A kind of half prefabricated profile steel concrete column-girder with rolled steel section en cased in concrete node unit |
| CN110206145A (en) * | 2019-05-30 | 2019-09-06 | 西安建筑科技大学 | A kind of assembled beam-column connecting node |
| CN113216680A (en) * | 2021-05-19 | 2021-08-06 | 内江职业技术学院 | Shock attenuation reinforcing apparatus of building beam column junction |
-
2018
- 2018-08-01 CN CN201821228522.7U patent/CN208733811U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106979A (en) * | 2019-05-20 | 2019-08-09 | 江南大学 | A kind of half prefabricated profile steel concrete column-girder with rolled steel section en cased in concrete node unit |
| CN110206145A (en) * | 2019-05-30 | 2019-09-06 | 西安建筑科技大学 | A kind of assembled beam-column connecting node |
| CN110206145B (en) * | 2019-05-30 | 2020-07-14 | 西安建筑科技大学 | Assembled beam column connected node |
| CN113216680A (en) * | 2021-05-19 | 2021-08-06 | 内江职业技术学院 | Shock attenuation reinforcing apparatus of building beam column junction |
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