CN104790549A - High-rise structure floor slab shock absorption structure releasing multi-direction freedom degrees - Google Patents
High-rise structure floor slab shock absorption structure releasing multi-direction freedom degrees Download PDFInfo
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- CN104790549A CN104790549A CN201510121473.1A CN201510121473A CN104790549A CN 104790549 A CN104790549 A CN 104790549A CN 201510121473 A CN201510121473 A CN 201510121473A CN 104790549 A CN104790549 A CN 104790549A
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Abstract
The invention relates to a high-rise structure floor slab shock absorption structure releasing multi-direction freedom degrees. The floor slab shock absorption structure comprises a body stress frame and a buffering damping mechanism arranged in the body stress frame and applying a tuning function on the body stress frame; the body stress frame comprises a foundation slab, shear walls vertically arranged on the foundation slab and rigid cross beams arranged at the tops of the shear walls, the buffering damping mechanism comprises floor slabs arranged on multiple layers in parallel at equal intervals and elastic buffering units arranged around the floor slabs, and the floor slabs are connected with the shear walls through the elastic buffering units in a sliding mode. Compared with the prior art, the shock absorption structure is simple in structure and compact in layout; as viscous dampers are arranged in the four directions of the body stress frame, and rolling wheels are arranged in the four directions of the floor slab, the multi-direction freedom degrees of the floor slabs can be released, the shock absorption effect is excellent, and the shock absorption structure has excellent application prospects.
Description
Technical field
The invention belongs to damping device technical field, relate to a kind of high-rise structure floor shock-damping structure, especially relate to a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom.
Background technology
Earthquake is a kind of natural calamity, earthquake can produce seismic wave, and seismic wave makes building produce the swing of rising and falling of vertical direction and horizontal direction, when shearing suffered by building or tensile stress exceeds the ultimate strength of building structure, building will produce to fracture and cave in, thus does great damage.Earthquake disaster is one of Major Natural Disasters affecting building safety.
The agent structure that giant frame structure is made up of several large scale structure unit and the aggregated(particle) structure that other element of construction forms are formed jointly, formation has better resistance to overturning and more dynamical tall building structures system, it, for the super highrise building building more than 500m, is most suitable structural system.Picture Hong Kong & Shanghai Banking co building, the federal deposit bank of Minnesota ,USA is all the masterpiece of mammoth structure.But for mammoth structure, the large mentality of designing resisting earthquake disaster is exactly " damping ", emphasizes initiatively to tackle earthquake disaster, to control, evade and dissipate as design core.
In the research field of " damping ", tuned mass damper, TMD (Tuned Mass Damper, TMD) arranges an additional substructure at some position of building the dynamic characteristics of original structure system is changed.Tuned mass damper, TMD is the one of structure passive seismic control system, and it is made up of main structure and the minor structure be attached in main structure.Wherein, minor structure comprises solid masses (weight), spring damper and damper etc., and it has the overall characteristic of quality, rigidity, damping, by changing quality or rigidity, adjust the natural frequency of minor structure, make its fundamental frequency close to main structure or driving frequency.When vibrating when main structure excited target, minor structure will produce an inertia force effect contrary with structural vibration direction structurally, makes the dynamic respons of main structure decay and be controlled.Minor structure is equivalent to a damper in vibration damping control procedure, so this minor structure is called " tuned mass damper, TMD ".In simple terms, tuned mass damper, TMD additionally arranges the enough large mass of a quality between floors, when original structure bear geological process and high vibration time, applied and direction of vibration opposite effect power to original structure by the effect of inertia of mass, thus change the absorption of whole building to seismic energy.Meanwhile, its damping also plays power consumption effect, weakens the vibration of original structure further.And on engineer applied, Taipei 101 top have employed the TMD of 600 tons, in its work progress, once suffered 7 grades of earthquakes, surrounding buildings major part collapses and building still stands erect, and its cushioning effect has some idea of.
Application number be 201420301986.1 Chinese utility model patent disclose a kind of floor shock-damping structure of structure, comprise building rigit framework and some floor plates, floor hangs setting from top to bottom successively, wherein, be positioned at the front end of the floor of lower floor and rear end are all connected to the floor on adjacent upper strata respectively front end and rear end by hoist cable, the front end and the rear end that are positioned at the floor of top layer are connected to building rigit framework by hoist cable, the front of every floor plate and rear are provided with row's isolation damper, on the leading flank that isolation damper is against floor and trailing flank, the left of every floor plate and right are provided with row's rolling bearing, on the left surface that rolling bearing is against floor and right flank, the relative ground of axis direction of rolling bearing is vertically arranged, isolation damper and rolling bearing are installed on the inner side of building rigit framework.The technical scheme of above-mentioned patent disclosure can only discharge one direction degree of freedom, and due to the multiple directions superposition often of seismic direction position, this shock-dampening method has larger limitation, must discharge multidirectional degree of freedom.Simultaneously, in this patent, roller bearing does not have the additional structures such as chute in floor plate and agent structure, and this just constrains floor plate beating in vertical direction, and in earthquake, floor plate easily moves up and down, apply larger stress to suspension cable, also cause the seismaesthesia of people on floor more violent.
Summary of the invention
Object of the present invention is exactly provide a kind of structure simple to overcome defect that above-mentioned prior art exists, and compact in design, effectively can realize the multi-direction degree of freedom release of floor plate, the high-rise structure floor shock-damping structure of damping effect excellence.
Object of the present invention can be achieved through the following technical solutions:
A kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom, this floor shock-damping structure comprises main body stress frame and to be arranged in main body stress frame and main body stress frame to be applied to the buffer damping mechanism of tunning effect, described main body stress frame comprises grade slab, be vertically set on the shear wall on grade slab and be arranged on the rigid beam at shear wall top, described buffer damping mechanism comprises the floor plate that multilayer equidistantly be arranged in parallel and the elastic buffer unit being arranged on floor plate surrounding, described floor plate can be connected by relative sliding with shear wall by elastic buffer unit,
During earthquake, described elastic buffer unit makes to produce relative sliding between floor plate and shear wall, achieves the release of the multi-direction degree of freedom of floor plate.
Be embedded in the multiple viscous dampers in shear wall bottom described elastic buffer unit comprises, be arranged on first chute at multiple viscous damper top and be arranged on the second chute of the corresponding side of floor plate, the first described chute and the second chute are arranged in opposite directions, and are also provided with multiple roller between the first described chute and the second chute.
Described multiple viscous dampers are all vertically set on shear wall, and the spacing of adjacent two viscous dampers is equal.
Viscous damper in described elastic buffer unit is provided with 5-8 altogether.
Described floor plate is rectangle floor plate, and four right angle of this rectangle floor plate are respectively equipped with connecting hole, are equipped with static line in this connecting hole, and described rectangle floor plate is suspended in the below of rigid beam by static line.
Described static line successively through multilayer rectangle floor plate, is fixedly connected with rigid beam, and multilayer rectangle floor plate is suspended in the below of rigid beam from the bottom to top.
Described static line is cable wire.
Described floor plate is also provided with the mass for simulating floor load.
The direction of earthquake is difficult to prediction, and the result of seismic wave multiple directions superposition often, and the scheme discharging multi-direction degree of freedom can be all effective to the seismic wave in various direction.The mechanism of its damping is: in earthquake, because floor plate has multi-direction degree of freedom, can move upward each earthquake counterparty, therefore, entirely earthquake centre can both as spring oscillator, produce the inertia force contrary with original structure institute Impact direction, the from start to finish vibrations of tuning original structure always.Meanwhile, the viscous damper on four direction also can dissipate shake energy.
The present invention arranges roller and corresponding fastening devices (the second chute) on the four direction of floor plate, and correspondence arranges viscous damper on the four direction of main body stress frame, and arranges the first chute at the top of viscous damper.Therefore, when earthquake occurs, floor plate can produce and rock under the effect of seismic wave, and drives roller to slide in the first chute and the second chute, can realize the release of the multi-direction degree of freedom of floor plate.During earthquake, seismic forces is passed to viscous damper by floor plate, viscous damper internal shear local distortion provides additional damping, the energy of a large amount of consumption input structure, make the kinetic energy of structure or deformation energy change into the forms such as heat energy to dissipate, expection can be reached and to set up defences requirement, simultaneously, because the inertia force of floor plate self also can apply tunning effect to main body stress frame, thus realize the effect of damping antidetonation.
Compared with prior art, the present invention has following characteristics:
1) because floor plate adopts suspention form, floor plate is lifted on rigid beam, be conducive to the degree of freedom discharging floor plate, by the floor plate dead load of building structure and long-term live load, as the mass needed for TMD frequency modulation, based on tuned damper Seismic mechanism, both reduced imposed load, increase building usage space, the producing level of structure can be improved again;
2) roller and corresponding fastening devices (the second chute) are set on the four direction of floor plate, and correspondence arranges viscous damper on the four direction of main body stress frame, and the first chute is set at the top of viscous damper, the release of the multi-direction degree of freedom of floor plate can be realized;
3) owing to adopting viscous damper, when earthquake, its internal shear local distortion provides additional damping, and a large amount of energy consuming input structure, makes the kinetic energy of structure or deformation energy change into the forms such as heat energy and dissipate, and can reach expection and to set up defences requirement;
4) structure is simple, compact in design, and effectively can realize the multi-direction degree of freedom release of floor plate, damping effect is excellent, has good application prospect.
Accompanying drawing explanation
Fig. 1 is the plane structure schematic diagram of buffer damping mechanism of the present invention;
Fig. 2 is floor plate side of the present invention partial enlarged drawing;
Fig. 3 is viscous damper of the present invention and the first chute mounting structure schematic diagram;
Description of symbols in figure:
1-floor plate, 2-shear wall, 3-viscous damper, the 4-the first chute, the 5-the second chute, 6-roller, 7-connecting hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1:
As Figure 1-3, a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom, this floor shock-damping structure comprises main body stress frame and to be arranged in main body stress frame and main body stress frame to be applied to the buffer damping mechanism of tunning effect, main body stress frame comprises grade slab, be vertically set on the shear wall 2 on grade slab and be arranged on the rigid beam at shear wall 2 top, buffer damping mechanism comprises the floor plate 1 that multilayer equidistantly be arranged in parallel and the elastic buffer unit being arranged on floor plate 1 surrounding, floor plate 1 can be connected by relative sliding with shear wall 2 by elastic buffer unit,
During earthquake, elastic buffer unit makes to produce relative sliding between floor plate 1 and shear wall 2, achieves the release of the multi-direction degree of freedom of floor plate 1.
Be embedded in the multiple viscous dampers 3 in shear wall 2 bottom elastic buffer unit comprises, be arranged on first chute 4 at multiple viscous damper 3 top and be arranged on the second chute 5 of the corresponding side of floor plate 1, first chute 4 and the second chute 5 are arranged in opposite directions, and are also provided with multiple roller 6 between the first chute 4 and the second chute 5.Multiple viscous damper 3 is all vertically set on shear wall 2, and the spacing of adjacent two viscous dampers 3 is equal.
In the present embodiment, the viscous damper 3 in elastic buffer unit is provided with 5 altogether.Floor plate 1 is rectangle floor plate, and four right angle of this rectangle floor plate are respectively equipped with connecting hole 7, and be equipped with static line in this connecting hole 7, rectangle floor plate is suspended in the below of rigid beam by static line.Static line successively through multilayer rectangle floor plate, is fixedly connected with rigid beam, and multilayer rectangle floor plate is suspended in the below of rigid beam from the bottom to top.
Wherein, static line is cable wire, floor plate 1 is also provided with the mass for simulating floor load.
The four direction of floor plate 1 arranges roller 6 and corresponding fastening devices (the second chute 5), and correspondence arranges viscous damper 3 on the four direction of main body stress frame, and the first chute 4 is set at the top of viscous damper 3.Therefore, when earthquake occurs, floor plate 1 can produce and rock under the effect of seismic wave, and drives roller 6 to slide in the first chute 4 and the second chute 5, can realize the release of the multi-direction degree of freedom of floor plate 1.During earthquake, seismic forces is passed to viscous damper 3 by floor plate 1, viscous damper 3 internal shear local distortion provides additional damping, the energy of a large amount of consumption input structure, make the kinetic energy of structure or deformation energy change into the forms such as heat energy to dissipate, expection can be reached and to set up defences requirement, simultaneously, because the inertia force of floor plate 1 self also can apply tunning effect to main body stress frame, thus realize the effect of damping antidetonation.
Embodiment 2:
In the present embodiment, the viscous damper 3 in elastic buffer unit is provided with 8 altogether, and all the other are with embodiment 1.
Embodiment 3:
In the present embodiment, the viscous damper 3 in elastic buffer unit is provided with 6 altogether, and all the other are with embodiment 1.
Embodiment 4:
In the present embodiment, the viscous damper 3 in elastic buffer unit is provided with 7 altogether, and all the other are with embodiment 1.
Claims (8)
1. the high-rise structure floor shock-damping structure of the multi-direction degree of freedom of release, this floor shock-damping structure comprises main body stress frame and to be arranged in main body stress frame and main body stress frame to be applied to the buffer damping mechanism of tunning effect, it is characterized in that, described main body stress frame comprises grade slab, be vertically set on the shear wall on grade slab and be arranged on the rigid beam at shear wall top, described buffer damping mechanism comprises the floor plate that multilayer equidistantly be arranged in parallel and the elastic buffer unit being arranged on floor plate surrounding, described floor plate can be connected by relative sliding with shear wall by elastic buffer unit,
During earthquake, described elastic buffer unit makes to produce relative sliding between floor plate and shear wall, achieves the release of the multi-direction degree of freedom of floor plate.
2. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 1, it is characterized in that, be embedded in the multiple viscous dampers in shear wall bottom described elastic buffer unit comprises, be arranged on first chute at multiple viscous damper top and be arranged on the second chute of the corresponding side of floor plate, the first described chute and the second chute are arranged in opposite directions, and are also provided with multiple roller between the first described chute and the second chute.
3. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 2, it is characterized in that, described multiple viscous dampers are all vertically set on shear wall, and the spacing of adjacent two viscous dampers is equal.
4. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 2, is characterized in that, the viscous damper in described elastic buffer unit is provided with 5-8 altogether.
5. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 1, it is characterized in that, described floor plate is rectangle floor plate, four right angle of this rectangle floor plate are respectively equipped with connecting hole, be equipped with static line in this connecting hole, described rectangle floor plate is suspended in the below of rigid beam by static line.
6. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 5, it is characterized in that, described static line successively through multilayer rectangle floor plate, is fixedly connected with rigid beam, and multilayer rectangle floor plate is suspended in the below of rigid beam from the bottom to top.
7. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 5 or 6, it is characterized in that, described static line is cable wire.
8. a kind of high-rise structure floor shock-damping structure discharging multi-direction degree of freedom according to claim 1, is characterized in that, described floor plate being also provided with the mass for simulating floor load.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN107023089A (en) * | 2017-03-27 | 2017-08-08 | 同济大学 | A kind of layered wobble formula shock mitigation system |
| CN108618429A (en) * | 2018-06-26 | 2018-10-09 | 嘉兴普泰克减震技术有限公司 | Shock mount and historical relic exhibition booth |
| CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
| CN111648412A (en) * | 2020-06-10 | 2020-09-11 | 惠安洛强装修设计中心 | Energy dissipation and shock absorption structure for building construction |
| CN113047496A (en) * | 2021-03-18 | 2021-06-29 | 中南建筑设计院股份有限公司 | Sliding damping floor slab |
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| CN101024987A (en) * | 2007-02-08 | 2007-08-29 | 广州大学 | Storied-building energ-eliminating shock-damping structure |
| CN103790255A (en) * | 2014-01-23 | 2014-05-14 | 北京工业大学 | Multi-dimensional energy-dissipation shock-absorption device for storey-adding structure |
| CN203961042U (en) * | 2014-06-03 | 2014-11-26 | 苏奇华 | The floor shock-damping structure of structure |
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2015
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Patent Citations (3)
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| CN101024987A (en) * | 2007-02-08 | 2007-08-29 | 广州大学 | Storied-building energ-eliminating shock-damping structure |
| CN103790255A (en) * | 2014-01-23 | 2014-05-14 | 北京工业大学 | Multi-dimensional energy-dissipation shock-absorption device for storey-adding structure |
| CN203961042U (en) * | 2014-06-03 | 2014-11-26 | 苏奇华 | The floor shock-damping structure of structure |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN107023089A (en) * | 2017-03-27 | 2017-08-08 | 同济大学 | A kind of layered wobble formula shock mitigation system |
| CN107023089B (en) * | 2017-03-27 | 2019-10-18 | 同济大学 | A kind of layered wobble formula shock mitigation system |
| CN108618429A (en) * | 2018-06-26 | 2018-10-09 | 嘉兴普泰克减震技术有限公司 | Shock mount and historical relic exhibition booth |
| CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
| CN109594466B (en) * | 2019-02-14 | 2020-09-08 | 重庆交通大学 | Anti-falling beam structure capable of effectively consuming energy |
| CN111648412A (en) * | 2020-06-10 | 2020-09-11 | 惠安洛强装修设计中心 | Energy dissipation and shock absorption structure for building construction |
| CN111648412B (en) * | 2020-06-10 | 2021-12-24 | 惠安洛强装修设计中心 | Energy dissipation and shock absorption structure for building construction |
| CN113047496A (en) * | 2021-03-18 | 2021-06-29 | 中南建筑设计院股份有限公司 | Sliding damping floor slab |
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Application publication date: 20150722 |