CN110158769A - Full assembled is bolted Self-resetting bean column node, installation method and self-resetting method - Google Patents
Full assembled is bolted Self-resetting bean column node, installation method and self-resetting method Download PDFInfo
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- CN110158769A CN110158769A CN201910409090.2A CN201910409090A CN110158769A CN 110158769 A CN110158769 A CN 110158769A CN 201910409090 A CN201910409090 A CN 201910409090A CN 110158769 A CN110158769 A CN 110158769A
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- precast concrete
- column
- self
- steel plate
- resetting
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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
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Self-resetting bean column node, installation method and self-resetting method are bolted the invention discloses a kind of full assembled, and bean column node includes precast concrete column, precast concrete beam, indulges muscle, viscoelastic material and nut pedestal in beam.Precast concrete beam is stretched out in one end that muscle is indulged in beam, preformed hole in precast concrete column, beam column corresponds to the docking of pre-embedded steel slab end at this time, and then it is fixed with frictional high-strength bolts, beam column bolt connection node is formed, viscoelastic material is placed in prefabricated post pre-embedded steel slab sleeve, and spiral passes through viscoelastic material hollow space, fixation is tightened with nut pedestal and spiral end thread, grout hole is reserved finally by column and is in the milk on a small quantity.The full assembled of the present invention is bolted Self-resetting bean column node under geological process, rotates at node, and beam longitudinal reinforcement stress drives the energy consumption of nut pedestal extrusion of viscoelastic material, generates strong recovery capability and pulls back reinforcing bar, and structure is made to form Self-resetting system.
Description
Technical field
Present invention relates particularly to a kind of full assembleds to be bolted Self-resetting bean column node, installation method and Self-resetting side
Method belongs to assembled architecture engineering structure technical field suitable for the dry connecting node of prefabricated assembled concrete frame construction.
Background technique
Fabricated construction has many advantages, such as that high-quality, high production efficiency, labor intensity of workers are low, protects environment, therefore work
The expert of journey circle actively advocates using prefabricated concrete structure.Beam-column connection is the important composition of precast concrete
Part, mainly have involvement connect with wet connection two ways, wet connection Seismic Behavior is good, substantially close to cast-in-place concrete section
Point performance.The narrow working space of node is poured after but, considerably increases the difficulty of its stirrup setting and concreting, matter of constructing
Amount is difficult to ensure.Dry connecting node can ensure that rigidity and bearing capacity are similar to cast-in-place structural, but restoring force and ductility compared with
Difference, it is difficult to prevent the destruction generated under seismic loading, but have the characteristics that construction is convenient compared with wet connection, more meet building
The trend of industrialized development.
Involvement connect in bolt connect its construction characteristic easy for installation and paid close attention in the industry.In order to meet whole frame
The structural requirement of frame, each connector allow for safely being transmitted to shearing force and bending moment separately from a prefabricated components
One prefabricated component.The characteristic of power transmitting between beam and column and its influence to general frame performance depending on connector.Cause
How this ensures that the performance of the performance connected between prefabricated components and structure entirety is a urgent problem to be solved.
Summary of the invention
According to above-mentioned some drawbacks of the existing technology, the present invention provides a kind of full assembled and is bolted Self-resetting beam
Column border node, the node are connected by screw bolts mode: precast beam extending screw reinforcing bar passes through column preformed hole, and beam column corresponds to pre-buried at this time
The docking of steel plate end, and then fixed with frictional high-strength bolts, beam column bolt connection node is formed, later sets viscoelastic material
In in prefabricated post pre-embedded steel slab sleeve, and spiral passes through viscoelastic material hollow space, and then with nut pedestal and screw thread
End reinforced screw thread tightens fixation, reserves grout hole finally by column and is in the milk on a small quantity, connects beam steel and column effectively, increases beam
Column globality.Wherein, the band prefabricated beam column of pre-embedded steel slab makes in factory, and the only a small amount of grouting of live splicing belongs to dry type
Connection, it is easy for construction, save the duration.It under geological process, rotates at node, beam longitudinal reinforcement stress is caused to drive nut
The energy consumption of pedestal extrusion of viscoelastic material, while pre-embedded steel slab sleeve generates strong recovery capability to the effect of contraction of viscoelastic material
It pulls back reinforcing bar, so that structure is formed Self-resetting system, can effectively promote the security performance of building.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of full assembled is bolted Self-resetting bean column node, including precast concrete beam, precast concrete column, and described is pre-
Beams of concrete end processed is equipped with the first steel plate, and the precast concrete column is equipped with the second steel plate close to beam side, sets back to beam side
There is third steel plate, passes through bolt between the first steel plate of the precast concrete beam end and the second steel plate of precast concrete column
Connection；
It is equipped in beam inside the precast concrete beam and indulges muscle, one end that muscle is indulged in the beam is stretched out the precast concrete beam and set
It sets, and the end that muscle extension is indulged in beam has threaded joints；
The beam is reserved on the second steel plate and third steel plate of the precast concrete column and precast concrete column two sides
The duct that interior vertical muscle passes through；
Steel by welding bent-up bar on the inside of the second steel plate between precast concrete beam, inside the bent-up bar and prefabricated post
The binding combination of muscle cage；
The position that the outside of third steel plate corresponds to the duct is fixed with hollow steel bushing, and the hollow steel bushing, which is nested with, to be set
There is viscoelastic material energy consumption unit, the center of the viscoplasticity energy consumption unit is equipped with the duct passed through for indulging muscle in the beam, institute
The one end for stating vertical rib tape threaded joints in beam sequentially passes through the second steel plate, precast concrete column, third steel plate and viscoplasticity
It is connect after energy consumption unit with a nut whorl of base, drives the nut pedestal extrusion of viscoelastic when indulging muscle stress in the beam
The unit deformable squeeze in the hollow steel bushing that consumes energy consumes energy；
Grout hole is set in precast concrete column, and the grout hole is connected with the duct.
The hollow steel bushing and in the beam indulge muscle it is concentric, and in beam indulge muscle stretch out one side length of third steel plate with
The length of hollow steel bushing is identical.
The viscoplasticity energy consumption unit is the cylindricality viscoelastic material being embedded in hollow rigid barrel bore, and the cylindricality is viscous
The centre of elastic material is equipped with the duct passed through for indulging muscle in beam, and the outer diameter of cylindricality viscoelastic material is than cored steel sleeve diameter
Small, the length of cylindricality viscoelastic material is the difference of cored steel length sleeve and nut base length.
The bolt is frictional high-strength bolts.
The present invention further discloses a kind of installation sides that Self-resetting bean column node is bolted based on the full assembled
Method, the precast concrete column and precast concrete beam are prefabricated in the factory completions, will the vertical outwardly directed threaded connection of muscle in beam
Portion sequentially pass through the second steel plate, precast concrete column, third steel plate and viscoplasticity energy consumption unit after with a nut whorl of base
Connection, at this point, the first steel plate of beam-ends and the second steel plate of column side contact dieback, and then by precast concrete beam, precast concrete column
It is aligned between the second steel plate of side by corresponding bolt hole, tightens fixation with bolt, form bolt connection node；
It is in the milk on a small quantity finally by the grout hole into precast concrete column, makes to indulge muscle and pre- in the beam in precast concrete beam
It is effectively connected between concrete column processed, increases beam column globality.
The grouting is the concrete or steel fiber reinforced concrete or epoxy resin of perfusion high grade than used in structure.
The present invention further discloses a kind of Self-resettings that Self-resetting bean column node is bolted based on the full assembled
Method generates rotation under geological process at beams of concrete column connected node, indulged after junction steel plate yield deformation, in beam muscle by
Power drives the energy consumption of nut pedestal extrusion of viscoelastic material, while pre-embedded steel slab sleeve generates the effect of contraction of viscoelastic material
Strong recovery capability is pulled back reinforcing bar, and structure is made to form Self-resetting system.
Compared with the prior art, technical solution of the present invention has the beneficial effect that
One, involvement connect in bolt joint be a kind of structures with semi-rigid joints, on energy dissipation capacity better than welding and bracket rigid connection,
But bearing capacity is usually poorer than rigid joint, and the present invention is connected into prefabricated beam column using pre-embedded steel slab and frictional high-strength bolts whole
Body is connected, under geological process, at node with muscle vertical in beam in the viscoplasticity extruding energy-consuming device on column pre-embedded steel slab with adding
It rotates, beam longitudinal reinforcement stress is caused to drive nut pedestal extrusion of viscoelastic material that can dissipate a part of geological process to section
It is damaged caused by point, the covert bearing capacity for increasing bolt joint.
Two, due to viscoelastic material after being squeezed this inherent characteristic of recoverable deformation and steel bushing in viscoelastic
Property the deformed effect of contraction of material, reinforcing bar deform drive extrusion of viscoelastic after, so that structure is pulled back, form one kind
Novel dry with runback bit function connects energy-dissipating and shock-absorbing bolt joint.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of full assembled of the present invention is bolted Self-resetting bean column node；
Fig. 2 is the side view that precast concrete column of the present invention connects the first steel plate side；
Fig. 3 is the side view that precast concrete column of the present invention connects the second steel plate side；
Fig. 4 is the perspective view of precast concrete column；
Fig. 5 is the structural schematic diagram of precast concrete beam of the present invention；
Fig. 6 is the perspective view of precast concrete beam；
Fig. 7 is spiral structural schematic diagram of the present invention；
Fig. 8 is viscoelastic material structural schematic diagram of the present invention；
Fig. 9 is nut base schematic diagram of the present invention；
Figure 10 is that the present invention does not add bottom nut schematic diagram；
Figure 11 is the perspective view of Fig. 1；
Figure 12 is deformation pattern of the node under geological process；
In figure: 1, precast concrete column；1-1, reserved grout hole；2, precast concrete beam；Muscle is indulged in 2-1, beam；3, friction-type is high
Strength bolt；4, viscoelastic material；5, nut pedestal.
Specific embodiment
In order to keep summary of the invention more understandable, specific embodiment is described below according to attached drawing:
Embodiment 1
As shown in Figures 1 to 10, of the present invention is that a kind of full assembled is bolted Self-resetting bean column node, wherein institute
It states precast concrete column 1 and precast concrete beam 2 is prefabricated in the factory completion, one end end two sides pre-buried steel of precast concrete column
Plate welds bent-up bar, combines and be placed in the position of column section two sides center notch with the binding of column steel reinforcement cage.
Muscle 2-1 is indulged in beam passes through beam-ends pre-embedded steel slab preformed hole, beam column pre-embedded steel slab dieback at this time, and then by concrete
Pre-embedded steel slab on Tu Liang, precast concrete column is aligned by corresponding four bolts hole, is tightened with frictional high-strength bolts 3 solid
It is fixed, bolt connection node is formed, and then viscoelastic material 4 is placed in prefabricated post pre-embedded steel slab sleeve, and indulge muscle 2-1 in beam and wear
4 hollow space of viscoelastic material is crossed, and then tightens fixation with nut pedestal 5 and spiral end thread, it is pre- finally by column
It stays grout hole 1-1 to be in the milk on a small quantity, connects beam steel and column effectively, increase beam column globality.
It under geological process, generates and rotates at beams of concrete column connected node, after junction steel plate yield deformation, muscle is indulged in beam
Stress drives the energy consumption of nut pedestal extrusion of viscoelastic material, while pre-embedded steel slab sleeve produces the effect of contraction of viscoelastic material
Raw strong recovery capability is pulled back reinforcing bar, so that structure is formed Self-resetting system, can effectively be promoted the security performance of building.
Embodiment 2
In a preferred embodiment of the invention, which can be used for wall column connection, and specific connection method is similar to Example 1.On
Stating embodiment is only to clearly illustrate example of the present invention, rather than a limitation of the embodiments of the present invention.
Other different forms of changes or modifications may be made based on the above description.
Claims (7)
1. a kind of full assembled is bolted Self-resetting bean column node, including precast concrete beam, precast concrete column, feature
Be: the precast concrete beam end is equipped with the first steel plate, and the precast concrete column is equipped with the second steel close to beam side
Plate is equipped with third steel plate, the first steel plate of the precast concrete beam end and the second steel of precast concrete column back to beam side
It is bolted between plate；
It being equipped in beam inside the precast concrete beam and indulges muscle, the precast concrete beam is stretched out in one end that muscle is indulged in the beam,
And the end that muscle extension is indulged in beam has threaded joints；
The beam is reserved on the second steel plate and third steel plate of the precast concrete column and precast concrete column two sides
The duct that interior vertical muscle passes through；
Steel by welding bent-up bar on the inside of the second steel plate between precast concrete beam, inside the bent-up bar and prefabricated post
The binding combination of muscle cage；
The position that the outside of third steel plate corresponds to the duct is fixed with hollow steel bushing, and the hollow steel bushing, which is nested with, to be set
There is viscoelastic material energy consumption unit, the center of the viscoplasticity energy consumption unit is equipped with the duct passed through for indulging muscle in the beam, institute
The one end for stating vertical rib tape threaded joints in beam sequentially passes through the second steel plate, precast concrete column, third steel plate and viscoplasticity
It is connect after energy consumption unit with a nut whorl of base, drives the nut pedestal extrusion of viscoelastic when indulging muscle stress in the beam
The unit deformable squeeze in the hollow steel bushing that consumes energy consumes energy；
Grout hole is set in precast concrete column, and the grout hole is connected with the duct.
2. a kind of full assembled according to claim 1 is bolted Self-resetting bean column node, which is characterized in that
The hollow steel bushing and in the beam indulge muscle it is concentric, and in beam indulge muscle stretch out one side length of third steel plate with it is hollow
The length of steel bushing is identical.
3. a kind of full assembled according to claim 1 is bolted Self-resetting bean column node, it is characterised in that described viscous
Elastic dissipation energy unit is the cylindricality viscoelastic material being embedded in hollow rigid barrel bore, the centre of the cylindricality viscoelastic material
Equipped with the duct passed through for indulging muscle in beam, the outer diameter of cylindricality viscoelastic material is smaller than cored steel sleeve diameter, cylindricality viscoplasticity material
The length of material is the difference of cored steel length sleeve and nut base length.
4. a kind of full assembled according to claim 1 is bolted Self-resetting bean column node, which is characterized in that the spiral shell
Bolt is frictional high-strength bolts.
5. one kind is bolted the installation method of Self-resetting bean column node based on any full assembled in claim 1 ~ 4,
The completion it is characterized in that, precast concrete column and precast concrete beam are prefabricated in the factory, it is outwardly directed by muscle is indulged in beam
Threaded joints sequentially pass through the second steel plate, precast concrete column, third steel plate and viscoplasticity energy consumption unit after with a nut
Whorl of base connection, at this point, the first steel plate of beam-ends and the second steel plate of column side contact dieback, and then by precast concrete beam, prefabricated
It is aligned between the second steel plate of concrete column side by corresponding bolt hole, tightens fixation with bolt, form bolt connection node；
It is in the milk on a small quantity finally by the grout hole into precast concrete column, makes vertical muscle in precast concrete beam and prefabricated mixed
It is effectively connected between solidifying earth pillar, increases beam column globality.
6. the installation method that full assembled according to claim 5 is bolted Self-resetting bean column node, which is characterized in that
The grouting is the concrete or steel fiber reinforced concrete or epoxy resin of perfusion high grade than used in structure.
7. the Self-resetting side that one kind is bolted Self-resetting bean column node based on any full assembled in claim 1 ~ 4
Method, which is characterized in that under geological process, generates and rotate at beams of concrete column connected node, after junction steel plate yield deformation, beam
Interior vertical muscle stress drives the energy consumption of nut pedestal extrusion of viscoelastic material, while pre-embedded steel slab sleeve makees the constraint of viscoelastic material
With generating strong recovery capability and pull back reinforcing bar, structure is made to form Self-resetting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409090.2A CN110158769A (en) | 2019-05-16 | 2019-05-16 | Full assembled is bolted Self-resetting bean column node, installation method and self-resetting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409090.2A CN110158769A (en) | 2019-05-16 | 2019-05-16 | Full assembled is bolted Self-resetting bean column node, installation method and self-resetting method |
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| CN110158769A true CN110158769A (en) | 2019-08-23 |
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| CN201910409090.2A Pending CN110158769A (en) | 2019-05-16 | 2019-05-16 | Full assembled is bolted Self-resetting bean column node, installation method and self-resetting method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757646A (en) * | 2019-11-28 | 2020-02-07 | 华侨大学 | RC precast concrete post steel sleeve locator |
| CN112227537A (en) * | 2020-09-25 | 2021-01-15 | 江苏晨马建筑科技有限公司 | Reinforced prefabricated recycled concrete beam column node |
| CN112281913A (en) * | 2020-09-03 | 2021-01-29 | 海洋石油工程股份有限公司 | A node for assembled LNG concrete pipe gallery |
| CN112854440A (en) * | 2021-01-08 | 2021-05-28 | 哈尔滨工业大学 | Self-resetting rotating node connecting structure and assembling method for beam column of assembled concrete frame |
| CN113202184A (en) * | 2021-05-20 | 2021-08-03 | 扬州工业职业技术学院 | Beam-column assembled node suitable for reinforced concrete structure |
| CN115781888A (en) * | 2022-11-24 | 2023-03-14 | 武汉美邻雅居建筑工程有限公司 | Splicing structure and construction method of concrete prefabricated part |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110757646A (en) * | 2019-11-28 | 2020-02-07 | 华侨大学 | RC precast concrete post steel sleeve locator |
| CN112281913A (en) * | 2020-09-03 | 2021-01-29 | 海洋石油工程股份有限公司 | A node for assembled LNG concrete pipe gallery |
| CN112227537A (en) * | 2020-09-25 | 2021-01-15 | 江苏晨马建筑科技有限公司 | Reinforced prefabricated recycled concrete beam column node |
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| CN113202184B (en) * | 2021-05-20 | 2022-12-06 | 扬州工业职业技术学院 | Beam-column assembled node suitable for reinforced concrete structure |
| CN115781888A (en) * | 2022-11-24 | 2023-03-14 | 武汉美邻雅居建筑工程有限公司 | Splicing structure and construction method of concrete prefabricated part |
| CN115781888B (en) * | 2022-11-24 | 2024-02-20 | 黄骅市华悦商砼有限公司 | Splicing structure of concrete prefabricated parts and construction method |
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Application publication date: 20190823 |
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