CN104763066A - Three-dimensional shock isolation device - Google Patents
Three-dimensional shock isolation device Download PDFInfo
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- CN104763066A CN104763066A CN201510111924.3A CN201510111924A CN104763066A CN 104763066 A CN104763066 A CN 104763066A CN 201510111924 A CN201510111924 A CN 201510111924A CN 104763066 A CN104763066 A CN 104763066A
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- 238000002955 isolation Methods 0.000 title claims abstract description 46
- 230000035939 shock Effects 0.000 title abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 108
- 239000010959 steel Substances 0.000 claims abstract description 108
- 230000007704 transition Effects 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 43
- 238000010168 coupling process Methods 0.000 claims description 43
- 238000005859 coupling reaction Methods 0.000 claims description 43
- 230000000694 effects Effects 0.000 claims description 14
- 239000003351 stiffener Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 10
- 238000010030 laminating Methods 0.000 abstract 5
- 239000000306 component Substances 0.000 description 48
- 238000009413 insulation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
Abstract
The invention relates to a three-dimensional shock isolation device. The device comprises an upper cover plate, a horizontal shock isolation part, a vertical shock isolation part and a lateral steel plate, wherein the vertical shock isolation part comprises a transition connecting steel plate, and a core connecting part which is arranged below the transition connecting steel plate; the core connecting part is laterally obliquely provided with a plurality of channel steel damping devices by hinging; the other end of each channel steel damping device is hinged to the lateral steel plate; the plurality of channel steel damping devices under a static load state can support the core connecting part as well as keeping the core connecting part balanced; an adhering elastic laminating part is arranged below the core connecting part; a lead core column body passes through a hole in the adhering elastic laminating part; a hole is formed between the adhering elastic laminating part and the core connecting part; the lead core column body with steel threads is inserted into the hole to extrude the lateral plate to be integrated with the adhering elastic laminating part and the core connecting part; the channel steel damping devices under a dynamic load state are yielded and out of stability, and the rigidity is reduced to be zero, and the adhering elastic laminating part and the lead core column body can perform the longitudinal shock isolation.
Description
Technical field
The present invention relates to a kind of earthquake isolating equipment, specifically, is a kind of three-dimensional isolation device, belongs to building cushion technique field.
Background technology
After China's Wenchuan earthquake and Ludian earthquake, seismic isolation technology obtains concern and the accreditation of engineering circles with its excellent damping effect, be widely used in the reinforcing of newly-built structure and existing structure, both at home and abroad large shake experience show to adopt the multilayer of seismic isolation technology even highrise building withstood the test of violent earthquake, the safety of structure can be ensured by implementing shock insulation, illustrating that shock insulation is the cushion technique with applications well prospect.
Existing earthquake measurement research shows, vertical seismic element is obvious, and carrying out horizontal vertically can amplify on the contrary after rubber vibration isolation technology, and this brings potential safety hazard to the visual plant in large span spatial structure, bridge, cantilever construction and building.In order to eliminate this impact, the three-dimensional shock isolation support product developed both at home and abroad at present divides equally set the exam worry level and vertical earthquake isolating, wherein vertical earthquake isolating mainly adopts: (1) steel coil springs, if document number is the Chinese patent literature of CN102251472B; (2) thick rubber; (3) air spring; (4) disk spring, as Chinese patent literature: CN100353012C, CN101701478 B, CN101725190 B, CN101824862 B, CN101761147 B, CN102839751B; (5) hydraulic mechanism.The key difficulties of restriction vertical earthquake isolating technical development is: in order to realize shock insulation, linear isolation system only when
(ω, ω
nthe intrinsic frequency of driving frequency and system respectively) just there is isolating affection, in order to obtain less shock insulation frequency, the rigidity of vertical earthquake isolating element must be made enough little, but because vertical earthquake isolating element is bearing carrier simultaneously, must vertical load be transmitted, therefore need to keep sufficient intensity and stability, so just constrain vertical earthquake isolating effect, simultaneously because deformability lacks, vertical power consumption is also more weak.Steel spring and thick rubber depend on Vertical Elastic Stiffness and obtain vertical earthquake isolating effect, therefore cannot avoid aforesaid difficulties, and thick rubber also exists the problem that vertical applied force easy damaged is destroyed.Air spring needs the space forming sealing, and occupy larger space, airtight stability requirement is higher.Although disk spring adopts geometrical non-linearity rigidity to form vertical earthquake isolating, in order to obtain comparatively large bearing capacity, need to provide many disk springs, price is high.Hydraulic mechanism is similar to air spring principle, and therefore there is sealing stability problem too, simultaneously because needs set up hydraulic test, cost prohibitive, applicability is poor.More than illustrate, although three-dimensional isolation technological development causes concern, this global engineering circles difficult problem of vertical earthquake isolating is not also well solved.
Summary of the invention
The object of this invention is to provide and a kind ofly rely on elastoplasticity to consume energy and the three-dimensional shock isolation support of geometrical non-linearity rigidity combination, be intended to solve the technical problem that vertical load-bearing and vertical earthquake isolating restrict mutually.
The present invention takes following technical scheme:
A kind of three-dimensional isolation device, comprises upper cover plate 1, horizontal seismic isolation parts, vertical earthquake isolating parts, side direction steel plate 11; Described vertical earthquake isolating parts comprise transition junction steel plate 3, are arranged at the core coupling components 5 under transition junction steel plate 3, and core link 5 lateral tilt is hinged arranges multiple channel-section steel damper 8, and the other end and the described side direction steel plate 11 of channel-section steel damper 8 are hinged; Multiple channel-section steel damper 8 has support upwards to core coupling components 5 and maintains the effect of balance under static load state; The viscoplasticity laminated member 9 that core coupling components is arranged for 5 times, the lead for retractable pencil cylinder 10 penetrated in viscoplasticity laminated member 9 hole, viscoplasticity laminated member 9 and core coupling components 5 central aperture, the lead for retractable pencil cylinder of band steel screw thread inserts in the hole and makes side direction plate extrude and form entirety with viscoplasticity laminated member 9, core coupling components 5; In dynamic load situation, unstability surrendered by channel-section steel damper 8, and rigidity reduces to zero, viscoplasticity laminated member 9 and lead for retractable pencil cylinder 10 vertical cushioning effects.
The feature of the technical program is: meet the predetermined function under normal operating condition, and when non-shake, state and general bearing carrier are as good as, and can support superstructure, also can transmitter shaft power; Under geological process, channel-section steel damper is surrendered, and rigidity reduces to zero, and lead-rubber and vertical supporting can be relied on to realize three-dimensional isolation.
Further, all sheathed anti-buckling cover steel pipe 7 in described channel-section steel damper 8 outside, for limiting the yield deformation amount of channel-section steel damper 8.
Further, lower cover 12 is inserted in anti-buckling cover steel pipe 7 other end connects side direction steel plate 11, the multiple high strong constraint sleeve 6 connected between a pair just right side direction steel plate 11, side direction steel plate 11 bottom.
Further, high strong constraint sleeve 6, through several bar holes 13 opened in the middle of core coupling components 5, does not hinder core coupling components 5 vertical motion; Lower cover 12 is with draw-in groove, draw-in groove inserts two blocks of side direction steel plates 11 with holes, Kong Weiwei is each two rows up and down, be respectively high strong constraint sleeve installing hole 14 and lead for retractable pencil cylinder installing hole 15, viscoplasticity laminated member 9 and core coupling components 5 are placed in the middle of side direction steel plate 11, viscoplasticity laminated member 9 and core coupling components 5 central aperture, the lead for retractable pencil cylinder of band steel screw thread inserts in the hole and makes side direction plate extrude and form entirety with viscoplasticity laminated member 9, core coupling components 5.
Further, additional several earhole 16 in the middle of side direction steel plate 11, one end of earhole 16 and channel-section steel damper 8 is bolted; Above core coupling components 5, connect transition junction steel plate 3, for strengthening enabling capabilities, adding oblique stiffener 4 welding constraint in side direction and supporting upper level isolation component.
Further, for ensureing that side direction steel plate 11 has higher anti-side rigidity and intensity, side direction steel plate 11 being made as cross section is leg-of-mutton steel plate or additional stiffener; Described horizontal seismic isolation parts are horizontal lead-rubber isolation component 2.
Further, anti-buckling cover steel pipe 7 and channel-section steel damper 8 are combined to form the component preventing from supporting flexing, and channel-section steel damper 8 just can be surrendered under action of static load, and Stiffness after surrender reduces the dynamic stiffness under dynamic load.
Further, the surrounding of core coupling components 5 or both sides are provided with channel-section steel damper 8, corresponding, side direction steel plate 11 is arranged symmetrically with for two-way or unidirectional.
Beneficial effect of the present invention is:
1) geometrical non-linearity negative stiffness can be relied on superimposed in conjunction with vertical rigidity, make vertical setting provide level and vertical deformation to absorb seismic energy on the one hand, the elastoplasticity of material can be relied on to carry out seismic energy dissipation on the one hand.
2) vertically can the frequency of shock insulation comparatively wide, distortion adapts to strong.
3) bearing does not affect by main structure body, also can not bring the adverse effect of superstructure when design or work.
4) susceptor design simple possible, is formed by stacking by order from bottom to up by assembling schematic diagram.Material requested major part is steel, takes up space little, is applicable to installation or removal.Cost is low, Be very effective.
5) three-dimensional shock isolation support proposed by the invention, not only form of structure is reasonable, safe and reliable, stable and also be easy to installation, good integrity, bearing capacity are high, vertical earthquake isolating and power consumption property good, there is good level and vertical every (subtracting) shake function.
Accompanying drawing explanation
Fig. 1 is three-dimensional shock isolation support schematic diagram;
Fig. 2 is the lateral plan of core coupling components;
Fig. 3 is the lateral plan of side direction steel plate;
Fig. 4 is the top view of side direction steel plate, channel steel support and core coupling components in Fig. 1 when adopting unidirectional layout to support.
Fig. 5 is the top view adopting side direction steel plate, channel steel support and core coupling components in Fig. 1 when being arranged symmetrically with support.
In figure, 1. upper cover plate, 2. horizontal lead-rubber isolation component, 3. transition junction steel plate, 4. oblique stiffener, 5. core coupling components, 6. high strong constraint sleeve, 7. anti-buckling cover steel pipe, 8. channel-section steel damper, 9. viscoplasticity laminated member, 10. lead for retractable pencil cylinder, 11. side direction steel plates, 12. lower covers, 13. bar holes, 14. high strong constraint sleeve installing holes, 15. lead for retractable pencil cylinder installing holes, 16. earholes.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
As Figure 1-5, a kind of three-dimensional isolation device that can be used for visual plant, building and Bridge Seismic, comprises upper cover plate 1, horizontal lead-rubber isolation component 2 and vertical earthquake isolating parts; Described vertical earthquake isolating parts comprise transition junction steel plate 3, are arranged at the core coupling components 5 under transition junction steel plate 3; Many anti-buckling cover steel pipes 7 of core coupling components 5 lateral support and channel-section steel damper 8, the multiple high strong constraint sleeve 6 connected between the side direction steel plate 11 that the lead for retractable pencil cylinder 10 penetrated in the viscoplasticity laminated member 9 that core coupling components 5 times is arranged, viscoplasticity laminated member 9 hole, anti-buckling cover steel pipe 7 other end connect, side direction steel plate 11 and forming with the lower cover 12 that side direction steel plate 11 bottom is inserted.
As shown in Figure 2, high strong constraint sleeve 6, through core coupling components 5, should not hinder core coupling components 5 vertical motion, has opened several bar holes 13 in the middle of core coupling components 5 for this reason.
As shown in Fig. 1,3 and 4, lower cover 12 is with draw-in groove, draw-in groove inserts two blocks of side direction steel plates 11 with holes, Kong Weiwei is each two rows up and down, be respectively high strong constraint sleeve 6 installing hole 14 and lead for retractable pencil cylinder 10 installing hole 15, viscoplasticity laminated member 9 and core coupling components 5 are placed in the middle of side direction steel plate 11, viscoplasticity laminated member 9 and core coupling components 5 central aperture, the lead for retractable pencil cylinder of band steel screw thread inserts in the hole and makes side direction plate extrude and form entirety with viscoplasticity laminated member 9, core coupling components 5.As shown in Figure 3, additional several earhole 16 in the middle of side direction steel plate 11, earhole 16 can be bolted with one end of channel-section steel damper 8.Above core coupling components 5, connect transition junction steel plate 3, for strengthening enabling capabilities, then add oblique stiffener 4 welding constraint in side direction and support upper level to laminated rubber damping bearing.
For ensureing that described side direction steel plate 11 has higher anti-side rigidity and intensity, side direction steel plate 11 can be made as cross section is leg-of-mutton steel plate or additional stiffener, and it can be used as one of embodiment of the present invention conversion.
The parts that horizontal lead-rubber isolation component 2 can adopt other to have horizontal seismic isolation effect replace, and this one as embodiment converts.
The high strong constraint sleeve 6 connected between side direction steel plate 11 is to provide pre-applied force to offset the lateral pressure vertically passing to side direction steel plate 11, in order to ensure both compactnesses, also both integrally can be welded, form independent parts, this one as embodiment converts.
Anti-buckling cover steel pipe 7 and channel-section steel damper 8 combine to provide the component preventing from supporting flexing, channel-section steel damper 8 just can be surrendered under action of static load, Stiffness after surrender, reduce the dynamic stiffness under dynamic load, channel-section steel damper 8 can be substituted by the component with variation rigidity, there is not bending deformation to make support in the anti-buckling cover steel pipe 7 of overcoat again, and this one as embodiment converts.
The cross sectional shape of core coupling components 5 is symmetric form, and Fig. 5 gives square arrangement mode, and core coupling components 5 lateral support can unidirectional symmetry also can bi-directional symmetrical be arranged, this one as embodiment converts.
The lead for retractable pencil cylinder 10 penetrated in viscoplasticity laminated member 9 hole is to strengthen vertical damping power consumption effect, and also can adopt the viscoelastic material had in the material substitution viscoplasticity laminated member 9 of high damping, this one as embodiment converts.
The present invention is further described below:
Low-carbon steel material has been widely used in vibration damping, and this component realizes elastoplasticity power consumption mainly through tension and compression deformation, and can enter elastoplasticity yielding stage when axial force is greater than certain numerical value, rigidity obviously reduces, and is similar to the effect that spring element realizes shock insulation.Select grooved perforate steel disc as displacement type damper, geometrical non-linearity function is played in order to make it, be made as axially loaded component, axially loaded component is in pressurized process, flexing unstability can be there is in support system, very likely produce damage inactivation when extraneous load is excessive or uncertain, effectively cannot ensure the reliability of element like this.Flexing unstability is a kind of state that cannot make full use of element bearing capacity, by the impact of the factors such as fringe conditions, constraints, component condition.In order to realize the axis tension and compression stress of component, adopt anti-buckling outer sleeve retrain energy dissipation brace can realize component in tension and pressurized process, stressed core component because of the constraint of the component that suffers restraints, produce surrender and can not flexing.Oblique for this component angle is placed, inclined member one end is articulated with base, one end is articulated with core coupling components, according to function symmetry, some supporting members can be installed, core coupling components and horizontal seismic isolation bearing adopt Bolt Connection, and vertical load passes to core coupling components by horizontal seismic isolation bearing.
Can dissipative member be added during the distortion of vertical earthquake isolating device, reduce on the one hand vertical seismic action reaction, can control that vertical displacement is excessive causes systematic jitters on the other hand; And support component adopts the elastoplasticity Energy dissipating material of displacement type after its surrender, can to realize reciprocal hysteretic energy effect, therefore effectively can realize vertical earthquake isolating and vertical power consumption effect under vertical tension and compression effect.
Existing three-dimensional shock isolation support is designed to increase deformability, by expanding facade size, causes height of support higher, and the depth-width ratio of whole bearing is comparatively large, easily causes bearing overall collapse.The present invention reaches vertical earthquake isolating mainly through the angle coordinating skewed horizontal load, therefore highly can obtain ideal numerical value.
Described vertical earthquake isolating control mode is as follows:
The vertical force of vertical earthquake isolating system under action of static load is as follows:
F
1＝2f
1(u)sinθ+k
vu+f
2(u)
In formula: u applies the distortion that produces for static load; f
1for channel steel support axially loaded; θ is for supporting and horizontal angle; k
vfor viscoplasticity laminated member rigidity; f
2for the damping force of lead for retractable pencil post.
When shock isolation system is under vertical uniform load q, because Seismic Isolation of Isolation Layer vertical rigidity is relevant to static load displacement, when distortion reaches a certain position, the vertical rigidity that supporting provides is negative stiffness value, then superpose with the positive rigidity of vertical viscoplasticity laminated member and can realize accurate zero stiffness state sometime, thus realize vertical earthquake isolating.
If vertical rigidity is greater than the absolute value of the negative stiffness numerical value of support, so the vertical force of vertical earthquake isolating system under Under Dynamic Load is as follows:
F
2＝k
v1x+f
2(x)
In formula: the distortion of x for producing under Under Dynamic Load; k
v1for the vertical supporting rigidity under Under Dynamic Load.
Claims (8)
1. a three-dimensional isolation device, is characterized in that:
Comprise upper cover plate (1), horizontal seismic isolation parts, vertical earthquake isolating parts, side direction steel plate (11);
Described vertical earthquake isolating parts comprise transition junction steel plate (3), be arranged at the core coupling components (5) under transition junction steel plate (3), core link (5) lateral tilt is hinged arranges multiple channel-section steel damper (8), and the other end and the described side direction steel plate (11) of channel-section steel damper (8) are hinged; Multiple channel-section steel damper (8) has support upwards to core coupling components (5) and maintains the effect of balance under static load state;
The viscoplasticity laminated member (9) arranged under core coupling components (5), the lead for retractable pencil cylinder (10) penetrated in viscoplasticity laminated member (9) hole, viscoplasticity laminated member (9) and core coupling components (5) central aperture, the lead for retractable pencil cylinder of band steel screw thread inserts in the hole and makes side direction plate extrude and form entirety with viscoplasticity laminated member (9), core coupling components (5); In dynamic load situation, channel-section steel damper (8) surrender unstability, rigidity reduces to zero, and viscoplasticity laminated member (9) plays longitudinal cushioning effect with lead for retractable pencil cylinder (10).
2. three-dimensional isolation device as claimed in claim 1, is characterized in that: all sheathed anti-buckling cover steel pipe (7) in described channel-section steel damper (8) outside, for limiting the yield deformation amount of channel-section steel damper (8).
3. three-dimensional isolation device as claimed in claim 1, is characterized in that: the multiple high strong constraint sleeve (6) connected between the side direction steel plate (11) that anti-buckling cover steel pipe (7) other end connects, a pair just right side direction steel plate (11), side direction steel plate (11) bottom insert lower cover (12).
4. three-dimensional isolation device as claimed in claim 3, it is characterized in that: high strong constraint sleeve (6), through several bar holes (13) opened in the middle of core coupling components (5), does not hinder core coupling components (5) vertical motion, (12) are with draw-in groove to lower cover, draw-in groove inserts two blocks of side direction steel plates (11) with holes, Kong Weiwei is each two rows up and down, be respectively high strong constraint sleeve installing hole (14) and lead for retractable pencil cylinder installing hole (15), viscoplasticity laminated member (9) and core coupling components (5) are placed in the middle of side direction steel plate (11), viscoplasticity laminated member (9) and core coupling components (5) central aperture, lead for retractable pencil cylinder with steel screw thread insert in the hole make side direction plate extrude and with viscoplasticity laminated member (9), core coupling components (5) is formed overall.
5. three-dimensional isolation device as claimed in claim 3, is characterized in that: additional several earhole (16) in the middle of side direction steel plate (11), and one end of earhole (16) and channel-section steel damper (8) is bolted; Connect transition junction steel plate (3) in core coupling components (5) top, for strengthening enabling capabilities, adding oblique stiffener (4) welding constraint in side direction and supporting upper level isolation component.
6. three-dimensional isolation device as claimed in claim 3, is characterized in that: for ensureing that side direction steel plate (11) has higher anti-side rigidity and intensity, side direction steel plate (11) being made as cross section is leg-of-mutton steel plate or additional stiffener; Described horizontal seismic isolation parts are horizontal lead-rubber isolation component (2).
7. three-dimensional isolation device as claimed in claim 3, it is characterized in that: anti-buckling cover steel pipe (7) and channel-section steel damper (8) are combined to form the component preventing from supporting flexing, channel-section steel damper (8) just can be surrendered under action of static load, Stiffness after surrender, reduces the dynamic stiffness under dynamic load.
8. three-dimensional isolation device as claimed in claim 3, is characterized in that: the surrounding of core coupling components (5) or both sides are provided with channel-section steel damper (8), corresponding, side direction steel plate (11) is arranged symmetrically with for two-way or unidirectional.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111924.3A CN104763066B (en) | 2015-03-13 | 2015-03-13 | Three-dimensional shock isolation device |
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| CN201510111924.3A CN104763066B (en) | 2015-03-13 | 2015-03-13 | Three-dimensional shock isolation device |
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| CN104763066A true CN104763066A (en) | 2015-07-08 |
| CN104763066B CN104763066B (en) | 2017-01-18 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756214A (en) * | 2016-03-09 | 2016-07-13 | 北京建筑大学 | Horizontal and vertical multi-dimensional vibration isolation and energy consumption system of prefabricated assembling type cantilever framework |
| CN106774486A (en) * | 2016-12-08 | 2017-05-31 | 天津理工大学 | A kind of strong nonlinearity bump leveller of achievable variation rigidity |
| CN107084223A (en) * | 2017-05-25 | 2017-08-22 | 天津大学 | A kind of variation rigidity hydraulic pressure three-dimensional isolation device and method |
| CN108612540A (en) * | 2018-04-22 | 2018-10-02 | 谢志坚 | A kind of Used in Shallow Mining Tunnel with Large Span construction equipment |
| CN110029736A (en) * | 2019-01-22 | 2019-07-19 | 上海大学 | A kind of abnormity three-dimensional shock isolation support |
| CN111305632A (en) * | 2020-02-14 | 2020-06-19 | 同济大学 | Three-dimensional vibration isolation device with sliding inclined spring |
| CN112576689A (en) * | 2020-12-04 | 2021-03-30 | 哈尔滨工程大学 | Low-frequency heavy-load quasi-zero stiffness vibration isolation device |
| CN113802480A (en) * | 2021-10-09 | 2021-12-17 | 武汉理工大学 | Distributed additional damping structure sound barrier vibration attenuation energy dissipation device |
| CN114482319A (en) * | 2022-03-17 | 2022-05-13 | 郑州信息科技职业学院 | Civil engineering antidetonation structure |
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| ES481069A1 (en) * | 1978-05-31 | 1979-11-16 | Freyssinet Int Stup | Elastomeric stack spring with viscous or friction damping |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756214A (en) * | 2016-03-09 | 2016-07-13 | 北京建筑大学 | Horizontal and vertical multi-dimensional vibration isolation and energy consumption system of prefabricated assembling type cantilever framework |
| CN105756214B (en) * | 2016-03-09 | 2018-01-16 | 北京建筑大学 | Prefabricated assembled cantilever frame is horizontal, vertical multiple dimension shock-proof dissipative system |
| CN106774486A (en) * | 2016-12-08 | 2017-05-31 | 天津理工大学 | A kind of strong nonlinearity bump leveller of achievable variation rigidity |
| CN107084223A (en) * | 2017-05-25 | 2017-08-22 | 天津大学 | A kind of variation rigidity hydraulic pressure three-dimensional isolation device and method |
| CN108612540A (en) * | 2018-04-22 | 2018-10-02 | 谢志坚 | A kind of Used in Shallow Mining Tunnel with Large Span construction equipment |
| CN110029736B (en) * | 2019-01-22 | 2021-08-31 | 上海大学 | Special-shaped three-dimensional shock insulation support |
| CN110029736A (en) * | 2019-01-22 | 2019-07-19 | 上海大学 | A kind of abnormity three-dimensional shock isolation support |
| CN111305632A (en) * | 2020-02-14 | 2020-06-19 | 同济大学 | Three-dimensional vibration isolation device with sliding inclined spring |
| CN111305632B (en) * | 2020-02-14 | 2021-04-30 | 同济大学 | Three-dimensional vibration isolation device with sliding inclined spring |
| CN112576689A (en) * | 2020-12-04 | 2021-03-30 | 哈尔滨工程大学 | Low-frequency heavy-load quasi-zero stiffness vibration isolation device |
| CN113802480A (en) * | 2021-10-09 | 2021-12-17 | 武汉理工大学 | Distributed additional damping structure sound barrier vibration attenuation energy dissipation device |
| CN114482319A (en) * | 2022-03-17 | 2022-05-13 | 郑州信息科技职业学院 | Civil engineering antidetonation structure |
| CN114482319B (en) * | 2022-03-17 | 2023-08-18 | 郑州信息科技职业学院 | Civil engineering shock-resistant structure |
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| Publication number | Publication date |
|---|---|
| CN104763066B (en) | 2017-01-18 |
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