CN208518075U - A kind of energy consumption sleeve of prestressing force assembling type node - Google Patents
A kind of energy consumption sleeve of prestressing force assembling type node Download PDFInfo
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- CN208518075U CN208518075U CN201721623587.7U CN201721623587U CN208518075U CN 208518075 U CN208518075 U CN 208518075U CN 201721623587 U CN201721623587 U CN 201721623587U CN 208518075 U CN208518075 U CN 208518075U
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- sleeve
- arc
- prestressing force
- assembling type
- type node
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 38
- 239000003190 viscoelastic substance Substances 0.000 claims abstract description 22
- 230000004992 fission Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 7
- 244000046052 Phaseolus vulgaris Species 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a kind of energy consumption sleeve of prestressing force assembling type node, including several sleeve fission units, the sleeve of a package prestressing force assembling type node is spliced between several sleeve fission units by high-strength bolt；Each sleeve fission unit includes: column sleeve cylinder fission unit and beam-ends sleeve, is connected between the column sleeve cylinder fission unit and the beam-ends sleeve by the arc viscoelastic damper in corner；The arc viscoelastic damper includes several curved plates, is successively superimposed between several curved plates by viscoelastic material layer.The good viscoelastic material of energy-dissipating property is integrated in node sleeve by the energy consumption sleeve of the prestressing force assembling type node of the utility model, substantially increase the energy dissipation capacity of assembling type node, beam-ends concrete is constrained simultaneously, node strength and deformability are improved, to keep the application range of prestressing force assembling type node wider.
Description
Technical field
The present invention relates to a kind of energy consumption sleeves that can be used for assembling type node more particularly to one kind can be improved prestressing force dress
Node sleeve with formula node energy dissipation capacity and node concrete intensity.
Background technique
Prestressing force fabricated construction is a kind of novel architecture structure form, and the components such as beam, the column of prefabrication are transported
To construction site and lift it is in place, beam, column reserving hole channel in penetrate presstressed reinforcing steel and tensioning, component is spelled by prestressing force
It is connected into general frame.Post-tensioned prestressing muscle can be used as the means of splicing construction component, and it is curved to bear beam-ends in service stage
Square.Prestressing force fabricated construction have residual deformation it is small, shake after be easily changed, service performance is good, speed of application is fast, economizes on resources
The advantages that, meet the strategic objective of green low-carbon, sustainable development.
But the node connection reliability of fabricated construction is poor, causes integrality performance of the structure poor.Tangshan is big within 1976
Earthquake, prefabricated construction almost all are collapsed, and people is caused to have a kind of frightened heart to assembled architecture always for a long time
Reason, it is believed that the poor seismic behavior of fabricated construction, fabricated construction are also restricted in using and studying for China.
The existing means for improving prestressing force assembling type node anti-seismic performance have hybrid reinforcement and installation damper.Mixing is matched
Muscle is to configure regular reinforcement in beam top and the bottom, and construction is complicated, and energy dissipation capacity is poor, and is unfavorable for the reparation after shake；And in node
The mode of place's installation damper, the installation of damper need to destroy the beam cross-section at node, do not meet " the strong weak component of node "
Design concept, installation is complicated.Meanwhile for being applied with prestressed bean column node, beam-ends can be produced due to excessive compression
Raw crack, further weakens the intensity and deformability of node.Generally speaking, good currently without a kind of energy-dissipating property, mention
High node intensity, simple structure, joint form easy for installation can solve prestressing force assembling type node there are the problem of.
Viscoelastic material is a kind of highly effective Energy dissipating material in building structure aseismatic wind resistance, it is in external force
Under, elasticity and sticky two kinds of simultaneous materials of deformation mechanism, Energy Dissipation Mechanism is the reciprocal shearing using viscoelastic material
Deformation, dissipated vibration/vibration energy in a manner of absorbing heat.Due to its function admirable, low in cost, design is simple, easy for construction etc. excellent
Point, oneself becomes most widely used a kind of Energy dissipating material in civil engineering.Therefore, by the good viscoelastic material knot of energy-dissipating property
Close meaningful and great future in engineering applications in prestressing force assembling type node.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of sleeve applied to prestressing force assembling type node, the nodes
The good viscoelastic material of energy-dissipating property is not only integrated in node sleeve by sleeve, enables the energy consumption of prestressing force assembling type node
Power greatly improves, and restraining sleeve beam-ends concrete, improves the intensity and deformability of beam-ends node, to make pre- answer
The application range of power assembling type node is wider.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows:
A kind of energy consumption sleeve of prestressing force assembling type node, including several sleeve fission units, several sleeve fission units
Between by high-strength bolt be spliced into one package prestressing force assembling type node sleeve；
Each sleeve fission unit includes: column sleeve cylinder fission unit and beam-ends sleeve, and the column sleeve cylinder is seperated single
It is connected between the first and described beam-ends sleeve by the arc viscoelastic damper in corner；
The arc viscoelastic damper includes several curved plates, passes through viscoelastic material layer between several curved plates
Successively it is superimposed.
The arc viscoelastic damper includes: arc intermediate bulkhead and is set to arc intermediate bulkhead two sides
Arc Internal baffle and arc outer baffle, wherein between the arc intermediate bulkhead and the column sleeve cylinder fission unit weld connect
It connects, the arc Internal baffle, arc outer baffle are connect with the beam-ends sleeve weld；Arc Internal baffle, arc intermediate bulkhead
And viscoelastic material is set between arc outer baffle three.
Position-limit mechanism is equipped between the arc intermediate bulkhead and arc outer baffle, the position-limit mechanism is for limiting column sleeve
Angle range between the seperated unit of cylinder and beam-ends sleeve, the position-limit mechanism includes being fixedly connected on arc intermediate bulkhead
At least one limits block piece and is set to the rectangular notch passed through on arc outer baffle for the limit block piece.
The limit block piece is limited a backing pin or postive stop baffle.
Several sleeve fission units are uniformly and symmetrically distributed along cylinder surrounding.
Hole, bore hole size and the beam are provided on the contact plane with beam-ends sleeve on the column sleeve cylinder fission unit
End cap cylinder inner edge is consistent.
The column sleeve cylinder fission unit and beam-ends sleeve are connectionless in contact plane, separate.
The circular arc center of circle of all curved plates of the arc viscoelastic damper is in same point.
The utility model has the advantages that
Compared with the prior art, the energy consumption sleeve of prestressing force assembling type node of the invention can use viscoelastic material,
With superior energy dissipation capacity；In addition, node sleeve of the invention constrains node concrete well, the strong of node is improved
Degree and deformability, meet the design concept of " the strong weak component of node ".Node sleeve simple structure, installation and replacement of the invention
Convenient to can be widely applied to prestressing force assembling type node rapidly, the application for prestressing force fabricated construction in highly seismic region provides
Basis.
Detailed description of the invention
Fig. 1 is the front view of the energy consumption sleeve of 1 prestressing force assembling type node of the embodiment of the present invention；
Fig. 2 is the side view of the energy consumption sleeve of 1 prestressing force assembling type node of the embodiment of the present invention；
Fig. 3 is the top view of the energy consumption sleeve of 1 prestressing force assembling type node of the embodiment of the present invention；
Fig. 4 is the stereoscopic schematic diagram of the energy consumption sleeve of 1 prestressing force assembling type node of the embodiment of the present invention；
Fig. 5 be 1 prestressing force assembling type node of the embodiment of the present invention energy consumption sleeve not with structural representation when beam-to-column joint
Figure；
Fig. 6 be 1 prestressing force assembling type node of the embodiment of the present invention energy consumption sleeve and beam-to-column joint but it is unlocked when knot
Structure schematic diagram；
Fig. 7 is that the energy consumption sleeve of 1 prestressing force assembling type node of the embodiment of the present invention and structure of beam-to-column joint when fixed are shown
It is intended to；
Fig. 8 is the front view of the energy consumption sleeve of 2 prestressing force assembling type node of the embodiment of the present invention；
Fig. 9 is the top view of the energy consumption sleeve of 2 prestressing force assembling type node of the embodiment of the present invention；
Figure 10 is the stereoscopic schematic diagram of the energy consumption sleeve of 2 prestressing force assembling type node of the embodiment of the present invention；
Figure 11 be 2 prestressing force assembling type node of the embodiment of the present invention energy consumption sleeve not with structural representation when beam-to-column joint
Figure；
Figure 12 be 2 prestressing force assembling type node of the embodiment of the present invention energy consumption sleeve and beam-to-column joint but it is unlocked when knot
Structure schematic diagram；
Figure 13 is that the energy consumption sleeve of 2 prestressing force assembling type node of the embodiment of the present invention and structure of beam-to-column joint when fixed are shown
It is intended to；
Figure 14 is the deformation schematic diagram of integral node of the present invention；
Figure 15 is the rotation schematic diagram of beam column contact surface of the present invention；
Figure 16 is the rotation schematic diagram of arc viscoelastic damper of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, technical solution of the present invention is described in detail.
Embodiment 1
As shown in Fig. 1 ~ 7, the energy consumption sleeve of prestressing force assembling type node of the invention, the left side connected including high-strength bolt 5
Right two and half sleeves, two and half sleeves are symmetrical about splicing plane.Each half sleeve includes vertical column sleeve cylinder 1 and horizontal beam
End cap cylinder 2, column sleeve cylinder 1 pass through with beam-ends sleeve 2 and are only connected by the arc viscoelastic damper in corner, column sleeve cylinder 1 and beam
End cap cylinder 2 only contacts in vertical contact plane, connectionless, this ensure that can by the beam column component that presstressed reinforcing steel connects
Freely to rotate.
Be provided with hole in the vertical contact plane with beam-ends sleeve 2 on column sleeve cylinder 1, bore hole size and beam-ends sleeve 2 it is interior
Edge is consistent, this ensure that bean column node can be contacted directly, can handle its contact surface.
Arc viscoelastic damper arc intermediate bulkhead 3 and column sleeve cylinder 1 are welded to connect, the arc of arc viscoelastic damper
Internal baffle and arc outer baffle 4 and beam-ends sleeve 2 are welded to connect, between arc intermediate bulkhead 3 and arc Internal baffle, among arc
It will drive column sleeve in this way when beam column relatively rotates filled with viscoelastic material 6 between partition 3 and arc outer baffle
Cylinder 1 and beam-ends sleeve 2 relatively rotate, and then make the arc intermediate bulkhead 3 of arc viscoelastic damper, arc Internal baffle, arc
Shear-deformable, generation energy consumption occurs between outer baffle and viscoelastic material 6.
As the further preferred of 1 technical solution of the present embodiment, rectangular notch is opened up on the arc outer baffle 4, is limited
7 one end of baffle passes through the rectangular notch, and the other end and the arc intermediate bulkhead 3 are welded to connect.Postive stop baffle 7 is viscous in arc
It is moved in rectangular notch on elastic damper arc outer baffle 4, ensure that column sleeve cylinder 1 and beam-ends sleeve 2 in certain corner
Rotation, also plays the role of protection to arc viscoelastic damper in range.
Arc viscoelastic damper by arc Internal baffle, arc outer baffle, arc intermediate bulkhead 3 and viscoelastic material 6 according to
It is secondary to be superimposed into (viscoelastic material 6 is pressed into stratiform to be successively superimposed with steel plate again).In practical projects according to beam
Column border node specifically consumes energy requirement, can be by changing in viscoelastic material 6, arc Internal baffle, arc outer baffle and arc
The thickness of spacing board 3, to adjust the rigidity and damping of arc viscoelastic damper.
The advantage of the energy consumption sleeve of prestressing force assembling type node of the invention be to have simultaneously superior energy dissipation capacity and
Improve the effect of node strength.The rubber in traditional laminated rubber bases, beam are replaced with the good viscoelastic material 6 of energy-dissipating property
The energy dissipation capacity of Column border node greatly improves, and provides guarantee for the preferably damping of prestressing force assembled beam-column node.Meanwhile column sleeve
Cylinder 1 and beam-ends sleeve 2 have wrapped up entire bean column node, and the concrete at node is in the state of three dimension stress, improves node
The concrete strength and deformability at place, prevent the crack for occurring excessive at node, and the structure for meeting " the strong weak component of node " is set
Meter theory.
Fig. 5 ~ Fig. 7 is a kind of installation process of the energy consumption sleeve of prestressing force assembling type node of the invention in practice.
Firstly, two and half sleeves of left and right are respectively fitted on the precast beam unit on both sides；Then, presstressed reinforcing steel is passed through pre-
The duct for staying in beam column component inside handles the contact surface of beam column, smears fibre mortar, reaches to fibre mortar intensity
The tensioning of presstressed reinforcing steel is carried out after it is required that；Finally, two and half sleeves on both sides to be merged into the position of column, high-strength bolt company is carried out
It connects.Whole installation process is simple, rapid, and does not influence every basic working procedure of prestressing force assembly node, has in practical projects
There is very strong practicability.
Embodiment 2
As shown in Fig. 8 ~ 13, the energy consumption sleeve of the prestressing force assembling type node of the present embodiment is connected including high-strength bolt 5
Four points of sleeves, four points of sleeves are completely the same, cover on four precast beam units of column surrounding, are welded with connection in stitching portion
End plate 8 is combined into the integral sleeve of a package bean column node by the high-strength bolt of end plate 8.It includes vertical for each dividing sleeve
Pole panel 1 and horizontal beam-ends sleeve 2, pole panel 1 and beam-ends sleeve 2 pass through and only pass through the arc viscoelastic damping in corner
Device connection, pole panel 1 and beam-ends sleeve 2 only contact in vertical contact plane, connectionless, this ensure that passing through prestressing force
The beam column component of muscle connection can be rotated freely.
Be provided with hole in the vertical contact plane with beam-ends sleeve 2 in pole panel 1, bore hole size and beam-ends sleeve 2 it is interior
Edge is consistent, this ensure that bean column node can be contacted directly, can handle its contact surface.
Arc intermediate bulkhead 3 and pole panel 1 are welded to connect, between arc Internal baffle and arc outer baffle 4 and beam-ends sleeve 2
Connection is respectively welded, is viscoelastic material 6 between arc intermediate bulkhead 3, arc Internal baffle and arc outer baffle, works as node in this way
By external load, when beam column relatively rotates, it will drive pole panel 1 and beam-ends sleeve 2 relatively rotate, and then make among arc
Shear-deformable, generation energy consumption occurs between partition 3, interior outer baffle 4 and viscoelastic material 6.
As the further preferred of 2 technical solution of the present embodiment, rectangular notch, postive stop baffle 7 are opened up on arc outer baffle
One end passes through the rectangular notch, and the other end and arc intermediate bulkhead 3 are welded to connect.Postive stop baffle 7 is in arc viscoelastic damping
It is moved in rectangular notch on device outer baffle 4, ensure that column sleeve cylinder 1 and beam-ends sleeve 2 rotate in certain angle range,
Play the role of protection to arc viscoelastic damper.
Arc viscoelastic damper includes arc Internal baffle, intermediate bulkhead 3 and arc outer baffle, arc Internal baffle, centre
It is successively superimposed to form by viscoelastic material 6 between partition 3 and arc outer baffle and (viscoelastic material 6 is pressed into stratiform again
It is successively superimposed with steel plate).It is specifically consumed energy requirement according to bean column node in practical projects, can pass through and change viscoplasticity
Material 6, arc Internal baffle, arc outer baffle and intermediate bulkhead 3 thickness, come adjust arc viscoelastic damper rigidity and
Damping.
Figure 11 ~ Figure 13 is a kind of installation process of the energy consumption sleeve of prestressing force assembling type node of the invention in practice.
Firstly, two sleeves are respectively fitted on the precast beam unit on four sides；Then, presstressed reinforcing steel is passed through and is reserved in beam
The duct of column component inside handles the contact surface of beam column, smears fibre mortar, after fibre mortar intensity reaches requirement
Carry out the tensioning of presstressed reinforcing steel；Finally, four sleeves to be merged into the position of column, high-strength bolt connection is carried out.Entirely installed
Journey is simple, rapid, does not need the processing for carrying out pre-buried pipeline to beam column component in advance, and do not influence each of prestressing force assembly node
Item basic working procedure, has very strong practicability in practical projects.
Figure 14 ~ 16 are schematic diagram of the energy consumption sleeve of prestressing force assembling type node of the invention in actual loading deformation,
Working mechanism is the same for Examples 1 and 2.When precast construction is by lateral external force, bean column node can be produced
Change shape, as shown in figure 14.Beam can generate the rotation relative to column component, and as shown in figure 15, the beam on the right surrounds
The upper limb of beam column contact surface rotates, and the beam on the left side is rotated around the lower edge of beam column contact surface, and beam-ends sleeve can be with beam
Rotation rotate, be detached from pole panel, so that the viscoelastic material of arc viscoelastic damper and steel plate be driven to shear
Deformation generates energy consumption, such as Figure 16.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (8)
1. a kind of energy consumption sleeve of prestressing force assembling type node, it is characterised in that: including several sleeve fission units, several sleeves
The sleeve of a package prestressing force assembling type node is spliced between seperated unit by high-strength bolt；
Each sleeve fission unit includes: column sleeve cylinder fission unit and beam-ends sleeve, the column sleeve cylinder fission unit and
It is connected between the beam-ends sleeve by the arc viscoelastic damper in corner；
The arc viscoelastic damper includes several curved plates, passes through viscoelastic material layer successively between several curved plates
It is superimposed.
2. the energy consumption sleeve of prestressing force assembling type node according to claim 1, it is characterised in that: the arc viscoplasticity
Damper includes: to keep off outside arc intermediate bulkhead and the arc Internal baffle for being set to arc intermediate bulkhead two sides and arc
Plate, wherein be welded to connect between the arc intermediate bulkhead and the column sleeve cylinder fission unit, the arc Internal baffle, arc
Outer baffle is connect with the beam-ends sleeve weld；Between arc Internal baffle, arc intermediate bulkhead and arc outer baffle three
Viscoelastic material is set.
3. the energy consumption sleeve of prestressing force assembling type node according to claim 2, it is characterised in that: be spaced in the arc
Be equipped with position-limit mechanism between plate and arc outer baffle, the position-limit mechanism for limit column sleeve cylinder fission unit and beam-ends sleeve it
Between angle range, the position-limit mechanism include be fixedly connected on arc intermediate bulkhead at least one limit block piece and
It is set to the rectangular notch passed through on arc outer baffle for the limit block piece.
4. the energy consumption sleeve of prestressing force assembling type node according to claim 3, it is characterised in that: the limit block piece is
Limit backing pin or postive stop baffle.
5. the energy consumption sleeve of prestressing force assembling type node according to claim 1, it is characterised in that: several sleeves point
Body unit is uniformly and symmetrically distributed along cylinder surrounding.
6. the energy consumption sleeve of prestressing force assembling type node according to claim 1, it is characterised in that: the column sleeve cylinder is seperated
Hole is provided on unit on the contact plane with beam-ends sleeve, bore hole size is consistent with beam-ends sleeve inner edge.
7. the energy consumption sleeve of prestressing force assembling type node according to claim 1, it is characterised in that: the column sleeve cylinder is seperated
Unit and beam-ends sleeve are connectionless in contact plane, separate.
8. the energy consumption sleeve of prestressing force assembling type node according to claim 1, it is characterised in that: the arc viscoplasticity
The circular arc center of circle of all curved plates of damper is in same point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623587.7U CN208518075U (en) | 2017-11-28 | 2017-11-28 | A kind of energy consumption sleeve of prestressing force assembling type node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623587.7U CN208518075U (en) | 2017-11-28 | 2017-11-28 | A kind of energy consumption sleeve of prestressing force assembling type node |
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| Publication Number | Publication Date |
|---|---|
| CN208518075U true CN208518075U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721623587.7U Expired - Fee Related CN208518075U (en) | 2017-11-28 | 2017-11-28 | A kind of energy consumption sleeve of prestressing force assembling type node |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816129A (en) * | 2017-11-28 | 2018-03-20 | 东南大学 | The power consumption sleeve and its installation, method of work of a kind of prestressing force assembling type node |
| CN110029727A (en) * | 2019-04-22 | 2019-07-19 | 东南大学 | A kind of assembling type node of combination shock resistant damping |
-
2017
- 2017-11-28 CN CN201721623587.7U patent/CN208518075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816129A (en) * | 2017-11-28 | 2018-03-20 | 东南大学 | The power consumption sleeve and its installation, method of work of a kind of prestressing force assembling type node |
| CN110029727A (en) * | 2019-04-22 | 2019-07-19 | 东南大学 | A kind of assembling type node of combination shock resistant damping |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |