CN106436955A - Modular high-performance soft steel lead-core rubber energy dissipater - Google Patents
Modular high-performance soft steel lead-core rubber energy dissipater Download PDFInfo
- Publication number
- CN106436955A CN106436955A CN201611080258.2A CN201611080258A CN106436955A CN 106436955 A CN106436955 A CN 106436955A CN 201611080258 A CN201611080258 A CN 201611080258A CN 106436955 A CN106436955 A CN 106436955A
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- China
- Prior art keywords
- lead
- rubber
- mild steel
- energy
- core rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
A modular high-performance soft steel lead-core rubber energy dissipater relates to an energy dissipater. It is intended to provide damping for a connecting beam under seismic action and adjust bearing capacity of the connecting beam, thereby internal force action and destruction mode undertaken by the connecting beam under seismic action in order to adjust internal force distribution and damage distribution of a whole structure. The modular high-performance soft steel lead-core rubber energy dissipater comprises two fixing plates, a lead-core rubber support, and energy-dissipating components disposed on two sides of the lead-core rubber support; each energy-dissipating component is composed of a plurality of soft steel plates that are fixed to the fixing plates through an L-shaped clamp plate, and the lead-core rubber support is also fixed to the fixing plates. Soft steel and lead are used as main energy-dissipating materials, such that energy-dissipating capacity and efficiency of the damper are improved. Through novel structural form, the energy dissipater prevents early destruction of edge energy-dissipating sheets under the action of bending moment. By using the lead-core rubber support, it is avoided that bearing capacity is decreased due to soft steel buckling and instability when the damper is under excessive axial pressure, and connecting beam axial force is more effectively transmitted under seismic action.
Description
Technical field
The present invention relates to a kind of sinker being arranged in the middle part of coupling beam is and in particular to a kind of modularity high-performance mild steel lead for retractable pencil
Rubber sinker.
Background technology
With the further investigation to civil engineering structure failure mechanism under geological process, the Aseismic Design based on condition is thought
Want to be applied in newly-built engineering project.Meanwhile, after shake can quick-recovery functional structure system soon, that is, civil engineering knot after shaking
Structure is not required to repair or only need slightly to repair the structural system that can recover it using function, is also in the earthquake engineering based on condition
This thought grows up under guiding.Shear wall structure is a kind of important structural system in building structure, in high residential building
In be most widely used, and coupling beam is the important component in shear wall structure system, directly affects between shear wall and coupling beam
Internal force distributes, and then affects damage profile under geological process for the shear wall structure system and failure mode.In order to realize being based on
This thought of the Aseismic Design of condition, and realize after shear wall structure system shake can quick-recovery function soon, removable energy dissipating company
Application in shear wall structure system for the beam is more and more extensive.
Energy dissipating coupling beam, compared with traditional coupling beam, can make structural system stress more reasonable, and significantly improve the consumption of structure
Energy ability, and then reduce reaction under geological process for the structure and degree of injury.By the force analysis of shear wall structure system
The internal force distribution between shear wall and coupling beam can be specified, shear wall is made by the yield force and rigidity adjusting different parts coupling beam
Stress evenly, thus avoiding the appearance of weak floor, and then controls its damage profile and failure mode and coupling beam between.Meanwhile,
Sinker in energy dissipating coupling beam can improve larger damping for structure in earthquake, thus can reduce structural seismic response and
Degree of injury.
Sinker in energy dissipating coupling beam mainly includes displacement relationship type and velocity correlation type two class, and displacement relationship type energy dissipating
Device application is more.Wherein, displacement sinker mainly surrenders power consumption and metal interface using low-yield metal under large deformation
Between the principle such as friction energy-dissipating.Sinker in existing coupling beam is generally only with this material of mild steel, and the principle list that consumes energy
One.This patent proposes a kind of new sinker being arranged in the middle part of coupling beam, using mild steel with lead as main Energy dissipating material, enters one
Step improves energy dissipation capacity and the efficiency of sinker.This sinker includes multigroup energy dissipating assembly, can be with increasing section the moment of inertia
And bending rigidity, sinker can be avoided in the premature failure of Moment lower limb energy dissipating piece by new make.
Lead core rubber support is adopted, axial compression resistance rigidity and intensity are very big, with the past simple mild steel damper phase in the middle part of this sinker
Than, it is to avoid antivibrator when axial compression power is excessive mild steel flexing unstability and reduce bearing capacity, thus this On A Retrofitted Damper is on ground
Coupling beam axle power can more effectively be transmitted under shake effect.
Content of the invention
Brief overview with regard to the present invention is given below, to provide basic with regard to certain aspects of the invention
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction with regard to the present invention.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed after a while.
In consideration of it, the purpose of the present invention be research and develop a kind of new sinker, under geological process improve coupling beam damping and
Energy dissipation capacity, simultaneously by adjust the dimensional parameters of sinker meet the coupling beam of different parts and size for bearing capacity and
The requirement of deformability.
For reaching above-mentioned purpose, the scheme that the present invention is taken is：Modularity high-performance mild steel lead-rubber sinker, including
Two fixed plates, lead core rubber support, and it is arranged in the energy dissipating assembly of lead core rubber support both sides；Energy dissipating assembly is by multiple mild steel
Piece is constituted, and all by a pair of L-type Boards wall in fixed plate, the two ends of lead core rubber support are also solid at the two ends of multiple mild steel pieces
It is scheduled in fixed plate.
Further：Mild steel piece is made using low yield strength steel, and the plurality of mild steel piece passes through a pair of L-type folder
Plate and the clamping of bolt therethrough, and be connected with fixed plate by bolt, fit tightly between multiple mild steel pieces.So set
Put so as to internal force is more evenly distributed under geological process, be conducive to avoiding indivedual mild steel pieces to cause its rate because local stress is excessive
First destroy and then seriously undermine bearing capacity and the energy dissipation capacity of whole energy dissipating assembly.
Further：The middle part of mild steel piece is energy dissipating portion, offers multiple diamond holes thereon, and multiple diamond holes are longitudinally arranged
Row, energy dissipating portion forms continuous X-shaped steel piece.The power consumption section of mild steel piece linearly increases to the effective width of both sides from middle part, is
Avoid stress concentration in the middle part of mild steel piece, middle part small range keeps certain effective width constant.
Further：Described energy dissipating assembly is multigroup, and multigroup energy dissipating assembly divides and is listed in lead core rubber support both sides.So set
Put, multigroup energy dissipating assembly, compared with single group energy dissipating assembly, increases cross sectional moment of inertia and the bending rigidity of sinker, thus avoids
There is, in the middle part of coupling beam, the premature failure that during moment of flexure, edge mild steel piece draws, compressive stress is excessive and causes.
Further：Described lead core rubber support includes lead for retractable pencil, internal layer rubber, laminated rubber and steel plate component, outer layer rubber
Glue, doughnut-shaped steel plate, shear key and base-plate；Described lead core rubber support is cylinder, and multiple diameters are identical and from top to bottom
The steel plate layer being arranged alternately and rubber layer constitute laminated rubber and steel plate component, and lead for retractable pencil is through all steel plate layer and rubber
Layer, laminated rubber respectively arranges a doughnut-shaped steel plate with the upper and lower ends of steel plate component, and two doughnut-shaped steel plates all by bolt and resist
Cut key to fix with base-plate, fitted with upper and lower two shear keies respectively in the top surface of lead for retractable pencil and bottom surface, laminated rubber and steel plate group
Internal layer rubber is enclosed with the inwall of part and doughnut-shaped steel plate, laminated rubber and the outer wall of steel plate component and doughnut-shaped steel plate are enclosed with
Outer layer rubber.It is arranged such, because the yield strength of lead is less, hysteretic energy ability is good, and lead for retractable pencil can carry in the case of small deformation
For larger damping.From unlike common lead rubber laminated bearing, bearing in sinker based on lead for retractable pencil surrender power consumption, because
And lead core diameter's relative seat diameter proportion is larger.Laminated rubber is the yield deformation making lead for retractable pencil with the Main Function of sheet steel sections
Evenly, and make the deformation of lead for retractable pencil concentrate on the corresponding position of laminated rubber, thus make lead for retractable pencil more sensitive to deforming.Due to lead for retractable pencil
Rubber support compressional stiffness and intensity are all very big, it can be avoided that coupling beam is in larger axial compression power compared with common steel hysteresis damper
The lower buckle in compression of effect, thus this new sinker can more effectively transmit coupling beam axle power.
Further：Lead for retractable pencil within described lead core rubber support can be one or more.
Modularity high-performance mild steel lead-rubber sinker difference from prior art of the present invention is that the present invention obtains
Following technique effect：
This modularity high-performance mild steel lead-rubber sinker is combined with lead core rubber support using mild steel piece energy dissipating assembly
Mode, compensate for the deficiency that conventional coupling beam antivibrator only leans on the single power consumption mode of mild steel yielding, make sinker in deformation
Mild steel and lead for retractable pencil surrender power consumption simultaneously, thus effectively increase the energy efficiency of sinker.
This modularity high-performance mild steel lead-rubber sinker is using multigroup by disappearing that the tight overlapping of multi-disc mild steel piece is constituted
Energy assembly, bending rigidity less problem when solving conventional coupling beam antivibrator single group steel disc power consumption, and it is pressurized steady to improve it
Qualitative, between mild steel piece, tight overlapping also makes its stress evenly, it is to avoid sinker bear the too early tension in edge during moment of flexure or
Compression damage.
It is provided with lead core rubber support, with conventional coupling beam antivibrator in this modularity high-performance mild steel lead-rubber sinker
Compare, lead core rubber support has larger axial compression rigidity and intensity, can more effectively transmit coupling beam axle power, it is to avoid
Antivibrator when axial compression power is excessive mild steel unstability flexing and reduce bearing capacity, thus this On A Retrofitted Damper can under geological process
More effectively to transmit coupling beam axle power.
Brief description
Fig. 1 is the elevation of modularity high-performance mild steel lead-rubber sinker of the present invention；
Fig. 2 is the axonometric drawing of modularity high-performance mild steel lead-rubber sinker of the present invention；
Fig. 3 is the profile of modularity high-performance mild steel lead-rubber sinker of the present invention；
Fig. 4 is the mild steel plate plane figure of modularity high-performance mild steel lead-rubber sinker of the present invention；
Fig. 5 is the lead core rubber support axonometric drawing of modularity high-performance mild steel lead-rubber sinker of the present invention；
Fig. 6 is the lead core rubber support profile of modularity high-performance mild steel lead-rubber sinker of the present invention；
Fig. 7 is the L-type clamping plate axonometric drawing of modularity high-performance mild steel lead-rubber sinker of the present invention.
In figure：1- mild steel piece；2- lead core rubber support；3-L type clamping plate；4- fixed plate；5- lead for retractable pencil；6- laminated rubber and steel
Board component；7- shear key；8- internal layer rubber；9- outer layer rubber；10- bolt；11- base-plate；12- doughnut-shaped steel plate；13- puts more energy into
Rib.
Specific embodiment
For clarity and conciseness, all features of actual embodiment are not described in the description.However, should
Understand, a lot of decisions specific to embodiment must be made during developing any this practical embodiments, so that real
The objectives of existing developer, for example, meet those restrictive conditions related to system and business, and these restrictive conditions
May change with the difference of embodiment.Additionally, it also should be appreciated that although development is likely to be very multiple
Miscellaneous and time-consuming, but for the those skilled in the art having benefited from the disclosure of invention, this development is only example
The task of row.
Here is in addition it is also necessary to explanation is a little, in order to avoid having obscured the present invention because of unnecessary details, to apply for literary composition
Illustrate only in part and the apparatus structure closely related according to the solution of the present invention and/or process step, and eliminate and this
The little other details of inventive relationship.
Embodiment 1：
Modularity high-performance mild steel lead-rubber sinker, including two fixed plates 4, lead core rubber support 2, and is arranged in
The energy dissipating assembly of lead core rubber support both sides；Energy dissipating assembly is made up of multiple mild steel pieces 1, and the two ends of multiple mild steel pieces 1 are all passed through
A pair of L-type clamping plate 3 is fixed in fixed plate 4, and the two ends of lead core rubber support 2 are also secured in fixed plate 4.
Embodiment 2：
The present embodiment is from the different of embodiment 1：Mild steel piece is made using low yield strength steel, the plurality of
Mild steel piece passes through a pair of L-type clamping plate 3 and the clamping of bolt therethrough, and is connected with fixed plate 4 by bolt, multiple mild steel pieces
Between fit tightly.It is arranged such so as to internal force is more evenly distributed under geological process, be conducive to avoiding indivedual mild steel pieces because of office
Portion's stress is excessive to cause it to take the lead in destroying and then seriously undermine bearing capacity and the energy dissipation capacity of whole energy dissipating assembly.
Embodiment 3：
The present embodiment is from the different of embodiment 2：The middle part of mild steel piece is energy dissipating portion, offers multiple rhombuses thereon
Hole, multiple diamond hole longitudinal arrangements, energy dissipating portion forms continuous X-shaped steel piece.The power consumption section of mild steel piece is from middle part to both sides
Effective width linearly increases, and in order to avoid stress concentration in the middle part of mild steel piece, middle part small range keeps certain effective width constant.
Embodiment 4：
The present embodiment is from the different of embodiment 3：Described energy dissipating assembly is multigroup, and multigroup energy dissipating assembly divides and is listed in lead for retractable pencil
Rubber support both sides.It is arranged such, multigroup energy dissipating assembly, compared with single group energy dissipating assembly, increases the cross sectional moment of inertia of sinker
And bending rigidity, thus avoid that when there is moment of flexure in the middle part of coupling beam, edge mild steel piece draws, compressive stress is excessive and breaking too early of causing
Bad.
Embodiment 5：
The present embodiment is from the different of embodiment 4：Described lead core rubber support includes lead for retractable pencil 5, internal layer rubber 8, lamination
Rubber and steel plate component 6, outer layer rubber 9, doughnut-shaped steel plate 12, shear key 7 and base-plate 11；Described lead core rubber support is circle
Cylindricality, multiple diameters are identical and the steel plate layer being arranged alternately from top to bottom and rubber layer constitute laminated rubber and steel plate component 6,
Lead for retractable pencil 5 respectively arranges a doughnut-shaped steel plate through all steel plate layer and rubber layer, laminated rubber with the upper and lower ends of steel plate component 6
12, two doughnut-shaped steel plates 12 are all fixing with base-plate 11 by bolt 10 and shear key 7, and the top surface of lead for retractable pencil 5 and bottom surface are respectively
Fit with upper and lower two shear keies 7, laminated rubber and the inwall of steel plate component 6 and doughnut-shaped steel plate 12 be enclosed with internal layer rubber 8,
It is enclosed with outer layer rubber 9 on laminated rubber and the outer wall of steel plate component 6 and doughnut-shaped steel plate 12.It is arranged such, due to the surrender of lead
Intensity is less, and hysteretic energy ability is good, and lead for retractable pencil can provide larger damping in the case of small deformation.Prop up with common lead for retractable pencil rubber vibration isolation
Unlike seat, the bearing in sinker is based on lead for retractable pencil surrender power consumption, thus lead core diameter's relative seat diameter proportion is larger.
The Main Function of laminated rubber and sheet steel sections is to make the yield deformation of lead for retractable pencil evenly, and makes the deformation of lead for retractable pencil concentrate on lamination
The corresponding position of rubber, thus make lead for retractable pencil more sensitive to deforming.Because lead core rubber support compressional stiffness and intensity are all very big, with
Common steel hysteresis damper compares it can be avoided that coupling beam buckle in compression under larger axial compression power acts on, thus this new sinker
Coupling beam axle power can more effectively be transmitted.
Embodiment 6：
The present embodiment is from the different of embodiment 5：Lead for retractable pencil within described lead core rubber support can be one or many
Root.
In above-described embodiment, according to the design yield displacement of sinker determine the energy dissipating segment length of mild steel plate and thickness and
The rubber layer gross thickness of lead core rubber support, and effective width and the piece number of mild steel piece is determined according to the design yield force of sinker
And lead core diameter.
The energy dissipating portion of mild steel piece is made up of multiple X-shaped steel pieces, in order to avoid stress concentration in the middle part of mild steel piece, the little model in middle part
Enclose the certain effective width of holding constant.By the dimensional requirement of sinker, can be to the group number of mild steel energy dissipating piece and lead-rubber
The quantity of bearing and its arrangement are designed.
Every group of mild steel energy dissipating assembly is closely arranged to overlap by mild steel piece, by L-type clamping plate and screw rod therethrough by its
Clamping, and by bolt, it is firmly connected with fixed plate, L-type clamping plate 3 is provided with ribbed stiffener 13.Meanwhile, will by bolt
Lead core rubber support 2 is firmly connected with fixed plate 4.
If sinker more renews because deforming excessive inefficacy, the bolt that can back out between sinker and coupling beam after geological process
Sinker.
Although disclosed embodiment is as above, its content is only to facilitate understand the technical side of the present invention
Case and the embodiment that adopts, are not intended to limit the present invention.Technical staff in any the technical field of the invention, not
On the premise of departing from disclosed core technology scheme, any modification can be made on the form implemented and details and become
Change, but the protection domain that the present invention is limited, still must be defined by the scope of appending claims restriction.
Claims (5)
1. modularity high-performance mild steel lead-rubber sinker it is characterised in that：Including two fixed plates (4), lead-rubber props up
Seat (2), and the energy dissipating assembly being arranged in lead core rubber support both sides；Energy dissipating assembly is made up of multiple mild steel pieces (1), multiple mild steel
The two ends of piece (1) are all fixed in fixed plate (4) by a pair of L-type clamping plate (3), and the two ends of lead core rubber support (2) are also fixed
In fixed plate (4).
2. modularity high-performance mild steel lead-rubber sinker according to claim 1 it is characterised in that：Mild steel piece adopts
Low yield strength steel are made, and the plurality of mild steel piece passes through a pair of L-type clamping plate (3) and bolt therethrough clamps,
And be connected with fixed plate (4) by bolt, fit tightly between multiple mild steel pieces.
3. modularity high-performance mild steel lead-rubber sinker according to claim 1 and 2 it is characterised in that：Mild steel piece
Middle part be energy dissipating portion, offer multiple diamond holes, multiple diamond hole longitudinal arrangements thereon, energy dissipating portion forms continuous X
Shaped steel piece.
4. modularity high-performance mild steel lead-rubber sinker according to claim 3 it is characterised in that：Described energy dissipating group
Part is multigroup, and multigroup energy dissipating assembly divides and is listed in lead core rubber support both sides.
5. modularity high-performance mild steel lead-rubber sinker according to claim 4 it is characterised in that：Described lead for retractable pencil rubber
Glue bearing include lead for retractable pencil (5), internal layer rubber (8), laminated rubber and steel plate component (6), outer layer rubber (9), doughnut-shaped steel plate (12),
Shear key (7) and base-plate (11)；Described lead core rubber support is cylinder, and multiple diameters are identical and alternately set from top to bottom
The steel plate layer put and rubber layer constitute laminated rubber and steel plate component (6), and lead for retractable pencil (5) is through all steel plate layer and rubber
Layer, laminated rubber respectively arranges a doughnut-shaped steel plate (12) with the upper and lower ends of steel plate component (6), and two doughnut-shaped steel plates (12) are all logical
Cross bolt and shear key 7 fixing with base-plate (11), the top surface of lead for retractable pencil (5) and bottom surface respectively with upper and lower two shear keies (7)
Internal layer rubber (8) is enclosed with the inwall of laminating, laminated rubber and steel plate component (6) and doughnut-shaped steel plate (12), laminated rubber with
Outer layer rubber (9) is enclosed with the outer wall of steel plate component (6) and doughnut-shaped steel plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080258.2A CN106436955A (en) | 2016-11-30 | 2016-11-30 | Modular high-performance soft steel lead-core rubber energy dissipater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080258.2A CN106436955A (en) | 2016-11-30 | 2016-11-30 | Modular high-performance soft steel lead-core rubber energy dissipater |
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| Publication Number | Publication Date |
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| CN106436955A true CN106436955A (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611080258.2A Pending CN106436955A (en) | 2016-11-30 | 2016-11-30 | Modular high-performance soft steel lead-core rubber energy dissipater |
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Cited By (3)
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| CN107701647A (en) * | 2017-11-07 | 2018-02-16 | 陈楚贵 | A kind of automobile shock pedestal |
| CN109024965A (en) * | 2018-09-20 | 2018-12-18 | 辽宁科技大学 | A kind of mild steel damper |
| CN115162553A (en) * | 2022-08-09 | 2022-10-11 | 郑州大学 | Combined toothed plate, disc spring and soft steel self-resetting energy dissipation damper |
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Application publication date: 20170222 |