CN109779059A - It is a kind of to damp adjustable composite viscoelasticity shearing sinker and installation method - Google Patents

It is a kind of to damp adjustable composite viscoelasticity shearing sinker and installation method Download PDF

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Publication number
CN109779059A
CN109779059A CN201811599576.9A CN201811599576A CN109779059A CN 109779059 A CN109779059 A CN 109779059A CN 201811599576 A CN201811599576 A CN 201811599576A CN 109779059 A CN109779059 A CN 109779059A
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CN
China
Prior art keywords
cover board
sinker
damping
plate
compliant
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Pending
Application number
CN201811599576.9A
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Chinese (zh)
Inventor
何光辉
李鑫奎
李兵
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Shanghai Construction Group Co Ltd
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Shanghai Construction Group Co Ltd
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Priority to CN201811599576.9A priority Critical patent/CN109779059A/en
Publication of CN109779059A publication Critical patent/CN109779059A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of adjustable composite viscoelasticity shearing sinker of damping and installation methods, belong to building energy-dissipating and shock-absorbing technical field, it is designed to provide a kind of device for the seismic energy that building is born in efficient absorption seismic process, plays the role of antidetonation, increase structure comfort.It includes flange plate, shear plate, cover board, high-damping rubber layer, and flange plate upper and lower ends offer bolt hole;Shear plate includes non-compliant section and the shear yielding section positioned at middle part positioned at both ends, and non-compliant section is equipped with several slotted holes, and bolt can be slided along slotted hole;Cover board includes top cover board and lower part cover board, and top cover board and lower part cover board are connect with non-compliant section of shearing board ends respectively;High-damping rubber layer is respectively arranged at the junction between non-compliant section of top cover board, lower part cover board and shear plate, and the flange plate at sinker both ends is fixed in the wall between building floor using bolt.

Description

It is a kind of to damp adjustable composite viscoelasticity shearing sinker and installation method
Technical field
The present invention relates to building energy-dissipating and shock-absorbing technical fields, and in particular to a kind of damping adjustable composite viscoelasticity shearing disappears It can device and installation method.
Background technique
Earthquake can cause heavy casualties and huge property loss, and these losses are largely because and build Build collapsing and destroy and being caused directly or indirectly for object.In earthquake engineering field, traditional method be by reinforcement structure from The rigidity or ductility of body resist geological process, however the increase of the rigidity of structure causes geological process to increase, and not only increases and builds It is set as this, it is also difficult to achieve the effect that reduce geological process.
Japan, U.S. etc. do a lot of work in structural seismic control field in recent decades, are based on vibration control technology, Traditional earthquake-resistant structure mode is changed into the earthquake energy by way of improving structure additional damping, effectively improves improvement Structural seismic capacity greatly promotes structure comfort level.
Sinker has two classes energy consumption mechanism, respectively viscoelastic damping and metal sheet slitting deformation two classes of energy consumption.Viscoplasticity resistance Buddhist nun's device is a kind of speed relationship type sinker, the operating rate of the energy of damper consumption and damper (or damping material is answered Variability) it is mutually directly proportional, energy-dissipating and shock-absorbing effect can be played under frequently occurred earthquake effect, can effectively improve the comfort level of structure;Gold Belonging to shearing-type sinker is a kind of displacement type sinker, and the Energy Dissipation Mechanism of displacement relationship type damper is made by the deformation of structure Damper acting can effectively play energy-dissipating and shock-absorbing when being displaced between generation larger layers under rarely occurred earthquake effect, protect main structure Effect.
Therefore, the device for needing the seismic energy that building is born in a kind of efficient absorption seismic process plays antidetonation, increases Add the effect of structure comfort.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering Recognize or imply in any form that the information is the prior art well known to persons skilled in the art when being considered as.
Summary of the invention
The object of the present invention is to provide the devices for the seismic energy that building in a kind of efficient absorption seismic process is born, and rise To antidetonation, the effect of increase structure comfort.The device is arranged between building floor in wall.In order to realize above-mentioned mesh , the technical scheme is that
A kind of adjustable composite viscoelasticity shearing sinker of damping, it includes:
Flange plate, the flange plate upper and lower ends offer bolt hole, and the sinker passes through the wing at its both ends Listrium is bolted with main structure;
Shear plate, the shear plate includes non-compliant section and the shear yielding section positioned at middle part positioned at both ends, described non- It surrenders section and is equipped with several slotted holes, bolt can be slided along the slotted hole;
Cover board, the cover board include top cover board and lower part cover board, the top cover board and lower part cover board respectively with shearing Non-compliant section of connection of board ends;
High-damping rubber layer, the high-damping rubber layer are respectively arranged at the top cover board, lower part cover board and shear plate Non-compliant section between junction.
Compared with prior art, the present invention is beneficial has the technical effect that
The adjustable composite viscoelasticity of damping provided by the invention shears sinker, belongs to a kind of composite energy dissipation device, shear plate It is arranged in the wall between building floor by the cover board and flange plate at both ends, high resistant is equipped between shear plate and cover board It Buddhist nun's rubber layer and being bolted, cover board and ipsilateral flange plate are welded to connect, and the both ends of shear plate are non-compliant section, wherein Portion is shear yielding section, and shear yielding section does not have aperture, and non-solder connects between shear plate and component.To resistance of the invention The adjustable composite viscoelasticity of Buddhist nun shears sinker, while having velocity profile sinker and displacement type sinker energy dissipation behavior; Both the effect that energy-dissipating and shock-absorbing can have been played under frequently occurred earthquake effect, improves structure comfort level;It can also be acted in rarely occurred earthquake Under play the safety effect for preventing structural collapse.Compared with existing some shearing type dampers, shear plate is not required in the present invention To be connected using weld seam with other components, shear yielding section is also without aperture in shear plate, therefore performance is more stable.This hair The adjustable composite viscoelasticity shearing sinker of bright damping has the characteristics that damping capacity adjustment is easy.
Further, for slow down high-damping rubber layer light, heat the effects of under aging, the four of the high-damping rubber layer Week is equipped with foam plug.
Further, in order to enable only in its shear yielding section plastic yielding, the shear yielding section occur for shear plate The thickness small 5~10mm of the thickness than non-compliant section, so that guaranteeing shear plate to be opened at slotted hole at non-compliant section is cut carrying Power is greater than the shear resistance capacity of shear yielding section.Certainly, shear yielding section and non-compliant section of thickness difference specifically can be according to energy dissipatings Internal force of the device under rarely occurred earthquake effect determines.
Further, in order to enhance the intensity of flange plate, the junction of the flange plate and top cover board, lower part cover board is equal Equipped with transverse stiffener.
Further, it is contemplated that shear plate is not connect with edge of a wing panel stiffness, and shear plate itself includes the shear yielding at middle part Section and positioned at non-compliant section of both ends, and the thickness of shear yielding section is less than non-compliant section, the shear plate is using being not higher than The low-yield steel of Q235MPa are made.When processing, the Cold-forming process such as milling can be used, the shearing of shear plate is bent Section thickness is taken less than non-compliant section, milling depth can be determined according to calculating.
Further, in order to draw materials conveniently, cost is saved, the cover board is made using the steel plate of Q345.
Further, in order to guarantee that bolt is free to slide in slotted hole, under the length of slotted hole can be acted on according to small shake, Relationship between the relative displacement of the interlayer maximum distortion and damper of structure determines.Certainly, the nut of bolt can be according to structure Kinetic characteristics do loose or tight adjustment, so that having expected damping capacity between shear plate and cover board.
The present invention also provides the installation method of the adjustable composite viscoelasticity shearing sinker of aforementioned damping, this method packets It includes:
It is spare to provide the adjustable composite viscoelasticity shearing sinker of damping, the adjustable composite viscoelasticity shearing of damping disappears Energy device includes flange plate, shear plate, cover board, high-damping rubber layer, and the flange plate upper and lower ends offer bolt hole;It is described Shear plate includes non-compliant section and the shear yielding section positioned at middle part positioned at both ends, and described non-compliant section equipped with several oval Hole, bolt can be slided along the slotted hole;The cover board includes top cover board and lower part cover board, and the top cover board is under Portion's cover board is connect with non-compliant section of shearing board ends respectively;The high-damping rubber layer be respectively arranged at the top cover board, Junction between lower part cover board and non-compliant section of shear plate;
The flange plate at the sinker both ends is fixed in the wall between building floor using bolt.
Further, the shear plate is made using milling cold working.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for damping adjustable composite viscoelasticity in one embodiment of the invention and shearing sinker;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the structural representation for damping adjustable composite viscoelasticity in one embodiment of the invention and shearing shear plate in sinker Figure;
Fig. 4 is the structural representation for damping adjustable composite viscoelasticity in one embodiment of the invention and shearing sinker cover plate Figure;
Fig. 5 is the structural representation for damping adjustable composite viscoelasticity in one embodiment of the invention and shearing flange plate in sinker Figure.
In figure:
1- flange plate;The top 2- cover board;3- transverse stiffener;4- bolt;5- shear plate;6- high-damping rubber layer;Under 7- Portion's cover board;8- foam plug;9- slotted hole.
Specific embodiment
Sinker is sheared to the adjustable composite viscoelasticity of damping proposed by the present invention below in conjunction with the drawings and specific embodiments And installation method is described in further detail.According to following explanation and claims, advantages and features of the invention will be more clear Chu.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to conveniently, lucidly Aid in illustrating the purpose of the embodiment of the present invention.For sake of convenience, the upper and lower side of "upper" described below, "lower" and attached drawing To consistent, but this can't be the limitation of technical solution of the present invention.
Embodiment one
Below with reference to Fig. 1 to Fig. 5, the structure of the adjustable composite viscoelasticity shearing sinker of the damping that the present invention will be described in detail Composition.
Fig. 1 to Fig. 5 is please referred to, a kind of adjustable composite viscoelasticity shearing sinker of damping, it includes flange plate 1, shearing Plate 5, cover board, cover board include top cover board 2 and lower part cover board 7 and high-damping rubber layer 6, and 1 upper and lower ends of flange plate open up There is bolt hole, sinker is bolted by the flange plate 1 at its both ends with main structure;Shear plate 5 includes positioned at the non-of both ends Section and the shear yielding section positioned at middle part are surrendered, non-compliant section is equipped with several slotted holes 9, and bolt 4 can be sliding along slotted hole 9 It is dynamic;Top cover board 2 and lower part cover board 7 are connect with non-compliant section of 5 both ends of shear plate respectively;High-damping rubber layer 6 is respectively set Junction between non-compliant section of top cover board 2, lower part cover board 7 and shear plate 5.
Specifically, the adjustable composite viscoelasticity of damping provided by the invention shears sinker, belongs to a kind of composite energy dissipation Device, shear plate 5 are arranged in the wall between building floor by the cover board and flange plate 1 at both ends, shear plate 5 and cover board Between be equipped with high-damping rubber layer 6 and connected by bolt 4, cover board and ipsilateral flange plate 1 are welded to connect, the two of shear plate 5 End is non-compliant section, and middle part is shear yielding section, and shear yielding section does not have aperture, and non-solder connects between shear plate and component It connects.To which the adjustable composite viscoelasticity of, damping of the invention shears sinker, at the same there is velocity profile sinker and displacement type The energy dissipation behavior of sinker, it can not only absorb seismic energy in earthquake, play the role of antidetonation, and easy for installation, It replaces easy to maintenance;Most importantly, its adaptation earthquake intensity range is wide, effective to frequently occurred earthquake and rare earthquake, to low Frequency and high-frequency seismic wave have consumption effect, have preferably promotional value.
In the present embodiment, it is highly preferred that slow down aging of the high-damping rubber layer 6 under the effects of light, hot, high-damping Rubber layer 6 is surrounded by foam plug 8.
In the present embodiment, it is highly preferred that in order to enable shear plate 5 only its shear yielding section occur plastic yielding, Small 5~the 10mm of thickness of the thickness of shear yielding section than non-compliant section, to guarantee that shear plate 5 is opened at slotted hole at non-compliant section Shear resistance capacity be greater than shear yielding section shear resistance capacity.Certainly, shear yielding section and non-compliant section of thickness difference are specific It can be determined according to internal force of the sinker under rarely occurred earthquake effect.
In the present embodiment, it is highly preferred that in order to enhance the intensity of flange plate 1, flange plate 1 and top cover board 2, lower cover The junction of plate 7 is equipped with transverse stiffener 3.
In the present embodiment, more preferably, it is contemplated that shear plate 5 is not connect with 1 rigidity of flange plate, shear plate 5 packet itself Include the shear yielding section at middle part and positioned at non-compliant section of both ends, and the thickness of shear yielding section is less than non-compliant section, shearing Plate 5 is made using the low-yield steel not higher than Q235MPa.When processing, the Cold-forming process such as milling can be used and make The shear yielding section thickness of shear plate 5 is less than non-compliant section, and milling depth can be determined according to calculating.
In the present embodiment, it is highly preferred that saving cost, cover board, that is, top cover board 2 and lower part cover board to draw materials conveniently 7, it is made using the steel plate of Q345.
In the present embodiment, it is highly preferred that in order to guarantee that bolt 4 is free to slide in slotted hole 9, the length of slotted hole 9 Under being acted on according to small shake, the relationship between the relative displacement of the interlayer maximum distortion and damper of structure is determined.Certainly, bolt 4 nut can do loose or tight adjustment according to structural dynamic characteristics, so that having expected resistance between shear plate 5 and cover board Buddhist nun's ability.
Please continue to refer to Fig. 1 to Fig. 5, the present invention also provides the adjustable composite viscoelasticity shearing sinkers of aforementioned damping Installation method, this method comprises:
It is spare to provide the adjustable composite viscoelasticity shearing sinker of damping, damps adjustable composite viscoelasticity shearing sinker Including flange plate 1, shear plate 5, cover board, high-damping rubber layer 6,1 upper and lower ends of flange plate offer bolt hole;Shear plate 5 Shear yielding section including being located at non-compliant section of both ends and positioned at middle part, non-compliant section is equipped with several slotted holes 9,4 energy of bolt It is enough to be slided along slotted hole 9;Cover board includes top cover board 2 and lower part cover board 7, top cover board 2 and lower part cover board 7 respectively with shearing The non-compliant section of connection at 5 both ends of plate;It is non-with shear plate that high-damping rubber layer 6 is respectively arranged at top cover board 2, lower part cover board 7 Surrender the junction between section;The wall being fixed on the flange plate 1 at sinker both ends using bolt 4 between building floor It is interior.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention.Ability Any change, the modification that the technical staff in domain does according to the disclosure above content, belong to scope of protection of the claims.

Claims (9)

1. a kind of adjustable composite viscoelasticity of damping shears sinker, which is characterized in that it includes:
Flange plate, the flange plate upper and lower ends offer bolt hole, and the sinker passes through the flange plate at its both ends It is bolted with main structure;
Shear plate, the shear plate includes non-compliant section and the shear yielding section positioned at middle part positioned at both ends, described non-compliant Section is equipped with several slotted holes, and bolt can be slided along the slotted hole;
Cover board, the cover board include top cover board and lower part cover board, the top cover board and lower part cover board respectively with shear plate two The non-compliant section of connection at end;
High-damping rubber layer, the high-damping rubber layer are respectively arranged at the non-of the top cover board, lower part cover board and shear plate Surrender the junction between section.
2. the adjustable composite viscoelasticity of damping according to claim 1 shears sinker, which is characterized in that the high-damping Rubber layer is surrounded by foam plug.
3. the adjustable composite viscoelasticity of damping according to claim 1 shears sinker, which is characterized in that the shearing is bent Take the small 5~10mm of thickness of the thickness than non-compliant section of section.
4. the adjustable composite viscoelasticity of damping according to claim 1 shears sinker, which is characterized in that the flange plate Transverse stiffener is equipped with the junction of top cover board, lower part cover board.
5. the adjustable composite viscoelasticity of damping according to claim 1 shears sinker, which is characterized in that the shear plate It is made using the low-yield steel not higher than Q235MPa.
6. the adjustable composite viscoelasticity of damping according to claim 1 shears sinker, which is characterized in that the cover board is adopted It is made with the steel plate of Q345.
7. the adjustable composite viscoelasticity of damping according to claim 1 shears sinker, which is characterized in that the length of slotted hole Under degree can be acted on according to small shake, the relationship between the relative displacement of the interlayer maximum distortion and damper of structure is determined.
8. the installation method of the adjustable composite viscoelasticity shearing sinker of damping according to any one of claims 1 to 7, It is characterized in that, this method comprises:
It is spare to provide the adjustable composite viscoelasticity shearing sinker of damping, the adjustable composite viscoelasticity shearing sinker of damping Including flange plate, shear plate, cover board, high-damping rubber layer, the flange plate upper and lower ends offer bolt hole;The shearing Plate includes non-compliant section and the shear yielding section positioned at middle part positioned at both ends, and described non-compliant section is equipped with several slotted holes, spiral shell Bolt can be slided along the slotted hole;The cover board includes top cover board and lower part cover board, the top cover board and lower cover Plate is connect with non-compliant section of shearing board ends respectively;The high-damping rubber layer is respectively arranged at the top cover board, lower part Junction between cover board and non-compliant section of shear plate;
The flange plate at the sinker both ends is fixed in the wall between building floor using bolt.
9. according to the method described in claim 8, it is characterized in that, the shear plate is made using milling cold working.
CN201811599576.9A 2018-12-26 2018-12-26 It is a kind of to damp adjustable composite viscoelasticity shearing sinker and installation method Pending CN109779059A (en)

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CN201811599576.9A CN109779059A (en) 2018-12-26 2018-12-26 It is a kind of to damp adjustable composite viscoelasticity shearing sinker and installation method

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Application Number Priority Date Filing Date Title
CN201811599576.9A CN109779059A (en) 2018-12-26 2018-12-26 It is a kind of to damp adjustable composite viscoelasticity shearing sinker and installation method

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1191003A (en) * 1995-07-21 1998-08-19 美国3M公司 Modular damper and structure with this damper
JP2001049894A (en) * 1999-08-06 2001-02-20 Dynamic Design:Kk Vibration control wall
CN202039469U (en) * 2011-01-05 2011-11-16 西南交通大学 Friction energy dissipation device for structure
CN104100018A (en) * 2014-07-28 2014-10-15 东南大学 Function-restorable soft steel damper
CN204676722U (en) * 2015-03-26 2015-09-30 住友理工株式会社 Wall type viscoplasticity coupling beam damper
CN108894352A (en) * 2018-09-19 2018-11-27 沈阳建筑大学 Reverse antisymmetry formula damper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1191003A (en) * 1995-07-21 1998-08-19 美国3M公司 Modular damper and structure with this damper
JP2001049894A (en) * 1999-08-06 2001-02-20 Dynamic Design:Kk Vibration control wall
CN202039469U (en) * 2011-01-05 2011-11-16 西南交通大学 Friction energy dissipation device for structure
CN104100018A (en) * 2014-07-28 2014-10-15 东南大学 Function-restorable soft steel damper
CN204676722U (en) * 2015-03-26 2015-09-30 住友理工株式会社 Wall type viscoplasticity coupling beam damper
CN108894352A (en) * 2018-09-19 2018-11-27 沈阳建筑大学 Reverse antisymmetry formula damper

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