CN102051928A - Steel tube concrete column vibration isolating and damping device - Google Patents
Steel tube concrete column vibration isolating and damping device Download PDFInfo
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- CN102051928A CN102051928A CN 201110030213 CN201110030213A CN102051928A CN 102051928 A CN102051928 A CN 102051928A CN 201110030213 CN201110030213 CN 201110030213 CN 201110030213 A CN201110030213 A CN 201110030213A CN 102051928 A CN102051928 A CN 102051928A
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Abstract
The invention discloses a steel tube concrete column vibration isolating and damping device. The device comprises a vibration isolating member and an energy-consuming damping support (2), wherein the vibration isolating member comprises a steel tube concrete vibration isolating column (1) which is arranged on the bottom layer of a building and a damping constraint cone (3) which is arranged at the lower end of the steel tube concrete vibration isolating column (1); the damping constraint cone (3) is filled with an energy-consuming material; the end part of the damping constraint cone (3) is provided with an elastic-plastic limiter (4); and the bottom layer structure of the building is provided with the energy-consuming damping support (2). The device has the advantages that: the steel tube concrete is used as both a vibration isolating spring and a column; the conventional building material is adopted, so the factors influenced by environment are fewer; space is not occupied by the device using the steel tube concrete in vertical direction; and the device has high compression resistance, bending resistance and shear resistance.
Description
Technical field
The present invention relates to a kind of concrete filled steel tubular column shock insulation damping device.
Background technology
Earthquake usually causes serious casualties, endangers greatlyyer, but earthquake has complexity and a uncertainty, earthquake is accurately predicted it is a very difficult job, as seen, carrying out the seismic design of building, is the most direct, the valid approach of earthquake disaster mitigation.
The existing a lot of buildings of China all are to build in the past the eighties, not considering these buildings that seismic design or shock resistance are relatively poor more, in some remote districts and the relatively poor area of traffic capacity, because the restriction of material, what building mainly adopted is masonry structure or multistory frame structure, shock resistance is very undesirable, and this point just has been described in the Wenchuan earthquake in 2008, because collapsing of house caused huge casualties.
At present, the method for building opposing earthquake mainly contains three kinds:
First kind, the intensity that improves building structure reduces the distortion of building structure, often claims antidetonation.
Second kind, the rigidity that reduces the building structure bottom improves its intensity and toughness, often claims shock insulation.
The third increases power consumption and the damping of structure in these vibration processes on necessary strength and toughness basis, often claim damping.
What use was maximum at present is rubber lamination earthquake isolating equipment, mainly form by connecting steel plate and shock insulation layer, the shock insulation layer by intersect stack process vulcanizing treatment rubber tile, steel plate and be arranged at about the steel plate at two ends constitute, mainly be to utilize rubber tile to absorb the energy of earthquake, the reaction acceleration of the relative storey displacement of superstructure and flooring can obviously weaken, along with the distortion of earthquake isolating equipment, translation also takes place in superstructure, makes acutely shaking that the imperceptible earthquake of people in the building causes.
And mainly there is following problem in existing earthquake isolating equipment:
1. the resistance to compression of rubber lamination earthquake isolating equipment distortion is less, and shear strain is bigger, be by regulating horizontal shearing rigidity by increasing to reach the purpose of shock insulation the natural vibration period of system, the height of the shock insulation layer that is provided with is between 1.2 ~ 2 meters, in that deformability is relatively poor longitudinally usually; 2. the building of using rubber lamination earthquake isolating equipment usually all is by the design of the designing unit of specialty, and the unit price of each rubber lamination earthquake isolating equipment be 3 ~ 100,000/, construction costs is higher, is not suitable for large scale application; 3. rubber lamination earthquake isolating equipment is a combustible material, in some high temperature areas, has the rubber softening problem, need be coated with fireproof paint, be subjected to climatic effect at low temp area simultaneously, the rigidity of rubber lamination earthquake isolating equipment obviously increases, extreme displacement reduces, and has reduced the isolating affection of rubber lamination earthquake isolating equipment.
Summary of the invention
Purpose of the present invention promptly is to overcome the defective of prior art, a kind of damping on the basis of shock insulation is proposed, thereby reach the concrete filled steel tubular column shock insulation damping device of antidetonation, utilize the characteristic of the high strength of steel pipe concrete, low rigidity, high tenacity, highly energy-consuming, shock insulation and energy-dissipating and shock-absorbing carry out alternately to be implemented in almost imperceptible floor skew in the common earthquake, the purpose that building is not fallen in special violent earthquake in the antidetonation process.
The objective of the invention is to be achieved through the following technical solutions: a kind of concrete filled steel tubular column shock insulation damping device, it comprises that shock insulation member and energy-dissipating and shock-absorbing support, the damper restriction awl that the shock insulation member comprises the steel pipe concrete shock insulation post that is arranged on architecture bottom layer and is installed in steel pipe concrete shock insulation post lower end, fill the power consumption material in the damper restriction awl, the end of damper restriction awl is provided with the elastoplasticity stop; Energy-dissipating and shock-absorbing is installed on the architecture bottom layer structure to be supported.
Described power consumption material comprises the foam of viscous body, viscoelastic body and different hardness.
Beneficial effect of the present invention shows: steel pipe concrete is not only as the shock insulation spring but also play the effect of post, a sheaf space even two sheaf spaces have been supported, do not increase the input of the member or the equipment of any special earthquake isolation, this important theory has guaranteed that this invention is suitable for than any conventional method is more economical, adopt the routine building material, mainly be building steel tube and High Strength Concrete, do not need the rubber like earthquake isolating equipment, do not need cooperation unit such as rubber plant or machine making factory yet, and construction production unit is exactly conventional steel work company and civil engineering company, factor affected by environment is less, and use the device of this steel pipe concrete vertically not taking up space, and have the good pressure resistance energy, anti-bending strength and shear behavior.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the working state schematic representation of the present invention under the frequently occurred earthquake effect
Fig. 3 is the working state schematic representation of the present invention under the special violent earthquake effect
1-steel pipe concrete shock insulation post among the figure, the 2-energy-dissipating and shock-absorbing supports, 3-damper restriction awl, 4-elastoplasticity stop.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing, but that protection domain is not limited to is described.
As Fig. 1, a kind of concrete filled steel tubular column shock insulation damping device, comprise that shock insulation member and energy-dissipating and shock-absorbing support 2, the damper restriction awl 3 that the shock insulation member comprises the steel pipe concrete shock insulation post 1 that is arranged on architecture bottom layer and is installed in steel pipe concrete shock insulation post 1 lower end, fill the power consumption material in the damper restriction awl 3, the end of damper restriction awl 3 is provided with elastoplasticity stop 4; Energy-dissipating and shock-absorbing is installed on the architecture bottom layer structure supports 2.The height of steel pipe concrete shock insulation post 1 adjusts accordingly according to the height of building, the height of steel pipe concrete shock insulation post 1 is controlled at two meters to five meters and is advisable, and energy-dissipating and shock-absorbing is installed on the architecture bottom layer structure is supported, under the frequently occurred earthquake effect, this support is inoperative, only when the structural entity displacement surpasses a certain critical displacement, just start working, the absorption energy reaches damping effect.
Described power consumption material comprises the foam of viscous body, viscoelastic body and different hardness.
The effect of damper restriction awl 3 designs has: the first strengthens natural vibration period for increasing the power consumption damping, reduces seismic forces, thereby reach the effect of damping by the energy consumption effect on the basis of shock insulation; Its two, constraint whole building displacement prevents whole unstability.
As Fig. 2, building is under the frequently occurred earthquake effect, and direction of displacement v is as figure, because bottom rigidity is less, the natural vibration period of building is longer, and seismic forces is little, reached the purpose of shock insulation, steel pipe concrete shock insulation post 1 crooked corresponding distortion simultaneously and power consumption material absorb energy, reach damping effect.
As Fig. 3, building is met under the special violent earthquake effect rare, direction of displacement v ' is as figure, 1 crooked corresponding distortion of steel pipe concrete shock insulation post and power consumption material absorb energy, energy-dissipating and shock-absorbing support 2 is started working and is produced plastic strain absorption energy on the one hand, control the displacement of building on the other hand with elastoplasticity stop 4 together, prevent that it from surpassing critical displacement and causing whole building to collapse, ensure personal safety as well as the property safety.
Claims (2)
1. concrete filled steel tubular column shock insulation damping device, it is characterized in that: it comprises that shock insulation member and energy-dissipating and shock-absorbing support (2), the damper restriction awl (3) that the shock insulation member comprises the steel pipe concrete shock insulation post (1) that is arranged on architecture bottom layer and is installed in steel pipe concrete shock insulation post (1) lower end, fill the power consumption material in the damper restriction awl (3), the end of damper restriction awl (3) is provided with elastoplasticity stop (4); Energy-dissipating and shock-absorbing is installed on the architecture bottom layer structure supports (2).
2. a kind of concrete filled steel tubular column shock insulation damping device according to claim 1, it is characterized in that: described power consumption material comprises the foam of viscous body, viscoelastic body and different hardness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011100302135A CN102051928B (en) | 2011-01-28 | 2011-01-28 | Steel tube concrete column vibration isolating and damping device |
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CN2011100302135A CN102051928B (en) | 2011-01-28 | 2011-01-28 | Steel tube concrete column vibration isolating and damping device |
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CN102051928A true CN102051928A (en) | 2011-05-11 |
CN102051928B CN102051928B (en) | 2012-01-11 |
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CN2011100302135A Expired - Fee Related CN102051928B (en) | 2011-01-28 | 2011-01-28 | Steel tube concrete column vibration isolating and damping device |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103132469A (en) * | 2011-12-02 | 2013-06-05 | 住友橡胶工业株式会社 | Support column and vibration damping device for same |
CN103590327A (en) * | 2013-11-25 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Circumferential viscous damping support |
CN105569205A (en) * | 2016-02-05 | 2016-05-11 | 福州市规划设计研究院 | Electromagnetic permanent magnet combination suspension vibration isolation device |
CN105888091A (en) * | 2014-11-27 | 2016-08-24 | 王振牛 | Technical scheme for earthquake prevention and back maintenance of Yongle Temple mural system |
CN106677338A (en) * | 2017-01-20 | 2017-05-17 | 中衡设计集团股份有限公司 | Anti-seismic building structure provided with steel frame and crossed central support with link beams |
CN108824663A (en) * | 2018-07-04 | 2018-11-16 | 什邡泰锐钢结构工程有限公司 | Pole shakes lower three-dimensional multistage yielding and stops to build construction and component |
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2011
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JPH09317061A (en) * | 1996-05-28 | 1997-12-09 | Shimizu Corp | Brace damper and seismic control structure of building construction using it |
JP3463087B2 (en) * | 1998-08-12 | 2003-11-05 | 清水建設株式会社 | Structure of damping building |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103132469A (en) * | 2011-12-02 | 2013-06-05 | 住友橡胶工业株式会社 | Support column and vibration damping device for same |
CN103132469B (en) * | 2011-12-02 | 2016-04-27 | 住友橡胶工业株式会社 | Pillar and pillar vibration absorber |
CN103590327A (en) * | 2013-11-25 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Circumferential viscous damping support |
CN103590327B (en) * | 2013-11-25 | 2015-11-11 | 中铁第四勘察设计院集团有限公司 | Hoop viscous damping bearing |
CN105888091A (en) * | 2014-11-27 | 2016-08-24 | 王振牛 | Technical scheme for earthquake prevention and back maintenance of Yongle Temple mural system |
CN105569205A (en) * | 2016-02-05 | 2016-05-11 | 福州市规划设计研究院 | Electromagnetic permanent magnet combination suspension vibration isolation device |
CN105569205B (en) * | 2016-02-05 | 2018-04-24 | 福州市规划设计研究院 | A kind of electromagnet and permanent magnet combined suspension isolation mounting |
CN106677338A (en) * | 2017-01-20 | 2017-05-17 | 中衡设计集团股份有限公司 | Anti-seismic building structure provided with steel frame and crossed central support with link beams |
CN108824663A (en) * | 2018-07-04 | 2018-11-16 | 什邡泰锐钢结构工程有限公司 | Pole shakes lower three-dimensional multistage yielding and stops to build construction and component |
CN108824663B (en) * | 2018-07-04 | 2020-05-26 | 什邡泰锐钢结构工程有限公司 | Three-dimensional multi-order yielding blocking building tumbler structure and component under extreme earthquake |
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