CN103015554A - Three-dimensional seismic isolation device for being closely attached to cross part of subway - Google Patents
Three-dimensional seismic isolation device for being closely attached to cross part of subway Download PDFInfo
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- CN103015554A CN103015554A CN2012105266695A CN201210526669A CN103015554A CN 103015554 A CN103015554 A CN 103015554A CN 2012105266695 A CN2012105266695 A CN 2012105266695A CN 201210526669 A CN201210526669 A CN 201210526669A CN 103015554 A CN103015554 A CN 103015554A
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Abstract
The invention belongs to the field of seismic isolation control and vibration control technologies for civil engineering structures and relates to a three-dimensional seismic isolation device which is suitable for being closely attached to a cross part of a subway structure in the upward and downward direction and can effectively reduce or isolate horizontal and bi-directional seismic actions. The device comprises a rigid support, rigid connecting pieces, flexible buffer layers, stiffening steel plates, auxiliary disk springs, main disk springs and disk spring guide tubes, wherein the flexible buffer layers and the stiffening steel plates are stacked in an interlacing manner, a top layer and a bottom layer are the flexible buffer layers, the peripheries of the flexible buffer layers and the stiffening steel plates are closed by the rigid support, the disk spring guide tubes longitudinally penetrate through the flexible buffer layers and the stiffening steel plates and are uniformly distributed on the horizontal plane along the transverse direction and the longitudinal direction, and the auxiliary disk springs and the main disk springs are respectively sleeved on the external surfaces of the disk spring guide tubes at staggered intervals.
Description
Technical field
The present invention relates to a kind ofly for the three-dimensional shock damping and insulation device of closely connected structure of the subway crossover sites up and down, it has suitable level and vertical rigidity and higher supporting capacity, belongs to the control of civil engineering structure shock insulation and vibration control technology field.
Background technology
Along with the obvious quickening of National urban process paces, traffic above-ground has been difficult to satisfy the demand of people's productive life, and subway has been optimized the construction of urban track traffic greatly with its unique advantage.Nowadays, subway construction develops rapidly, in a large amount of subway line Hot work in progress and the planning, and its form of structure also tends to variation, the spatial intersecting structure such as station, tunnel is more and more, closely the construction of closely connected subway is also more and more general, in the situation that people progressively improve safety requirements, the anti-seismic performance of structure of the subway (especially under the severe earthquake action) is also paid much attention to day by day.
Because earthquake motion itself has multi-dimensional nature, it is very necessary that the building structure Consideration of Three-dimensional in Damage Epicenter and high earthquake intensity area is subtracted shock insulation, at present the three-dimensional shock damping and insulation research of the above structure in ground obtained more achievement in research, but the research for the three-dimensional isolation of underground space structure does not also have substantive progress a few days ago, and vertical macroseism can produce significant dynamic response to the underground chi structure of closely connected subway, and represent the closely connected structure of the subway of the lower structure future developing trend that lands under dynamic action, its crossover sites stressing conditions and Displacements Distribution are from different on every side, up and down between the subway influence each other and so that separately dynamic response increase, more general underground structure more easily produces larger internal force and inhomogeneous deformation, and consequence of failure is also more serious.Simultaneously, space crossed structure of the subway mostly belongs to again transfer station or transport hub, it is the core node in the track traffic, the stream of people concentrates, complex structure, in case occur destroying, loss is with hardly imaginable, yet, because China's subway anti-seismic technology research and application relatively lag behind, also there are not design guidelines or standard for the Underground Rail Transit system, the seismic measures that more lacks closely connected tunnel cross zone, the planning of Underground Rail Transit, design, antidetonation system and constructure scheme etc. also are in the stage of fumbling, and these have all buried potential safety hazard to preventing and reducing natural disasters of China's Urban Underground Rail Transit System.
Summary of the invention
The object of the present invention is to provide a kind of can alleviate simultaneously or level of isolation and Vertical Earthquake Loads, be used for closely crossing structure crossover sites antishock device of subway, and so that this device construction is simple, economical and practical, safe and reliable, constructability, simultaneously, provide useful reference for underground structure crossover sites applying three-dimensional shock insulation aspect to a certain extent.
To achieve these goals, the technical solution used in the present invention is:
A kind of three-dimensional isolation device for closely connected subway crossover sites comprises rigid support (1), rigid connector (2), supple buffer layer (3), the steel plate of putting more energy into (4), auxiliary disk spring (5), main disk spring (7) and disk spring guide cylinder (9); Supple buffer layer (3) and steel plate (4) interfolded of putting more energy into, top layer and bottom are supple buffer layer (3), supple buffer layer (3) is sealed by rigid support (1) all around with the steel plate (4) of putting more energy into, disk spring guide cylinder (9) vertically runs through supple buffer layer (3) and puts more energy into steel plate (4), disk spring guide cylinder (9) evenly distributes along horizontal, vertical on horizontal plane, auxiliary disk spring (5) is placed in respectively disk spring guide cylinder (9) external surface with main disk spring (7), and non-conterminous between two main disk springs (7).
The built-in visco-elastic damping material filler of disk spring guide cylinder (9) (6).
Be provided with buffer layer (8) between rigid support (1) and supple buffer layer (3), the steel plate of putting more energy into (4).
Rigid support (1) is channel-section steel.
Main disk spring (7) specification is greater than auxiliary disk spring (5) specification.
Rigid connector (2) refers to high-strength bolt or Ribbed Bar, between supple buffer layer (3) and the steel plate of putting more energy into (4) through high temperature vulcanized bonding; Main disk spring (7), and the sheet number of auxiliary disk spring (5) can be regulated according to actual conditions, to optimize vertical rigidity, and then reach and reduce the up and down interactional purpose of closely connected structure of the subway as far as possible, main and auxiliary disk spring all with rigid connector be anchored in supple buffer layer (3) and the steel plate of putting more energy into (4) on; Rigid support (1) is fixedly connected on the closely connected station structure by built-in fitting, is used for the steel plate of putting more energy into (4) and supple buffer layer (3) that installation interval stacks.
Beneficial effect:
The present invention is economic and practical, workable, constructability, can be used for closely chi structure of different spacing and subway highly.Level has again the energy-absorbing buffer layer further to reduce seismic energy to isolating to a great extent earthquake, and the existence of peripheral channel-section steel can limit and subtract Seismic Isolation of Isolation Layer larger horizontal movement occurs in macroseism, and steadiness is good, can prevent the abrasion and corrosion of buffer layer simultaneously; Vertical direction mainly bears vertical active force by supple buffer layer and the steel plate of putting more energy into, the setting of main and auxiliary disk spring group can make the vertical bearing capacity of device further improve, reduce the Vertical Settlement of superstructure, and because the vertical rigidity of device is much smaller than the vertical rigidity of top and the bottom structure, therefore can upward limit largely geological process to the transmission of superstructure.In addition, brushing anti-corrosion insulation coating around the channel-section steel can effectively reduce soil to the corrosiveness of channel-section steel.
Description of drawings
Fig. 1 is three-dimensional shock damping and insulation device top view;
Fig. 2 is three-dimensional shock damping and insulation device sectional drawing;
Fig. 3 is three-dimensional shock damping and insulation device schematic diagram;
Fig. 4 is 3*3 master's disk spring schematic diagram.
Among the figure, 1, rigid support, 2, rigid connector, 3, supple buffer layer, 4, the steel plate of putting more energy into, 5, auxiliary disk spring, 6, the visco-elastic damping material filler, 7, main disk spring, 8, buffer layer, 9, the disk spring guide cylinder.
The specific embodiment
Also further specify by reference to the accompanying drawings the present invention below by embodiment.
The present embodiment is for the underground chi structure of closely connected subway, during construction, the soil layer at crossover sites place is removed and leveling, channel-section steel and existing station structure reserved steel bar are welded and fixed or are fixed by the high-strength bolt anchoring by embedded hole, then fill vibration-absorptive material at inward flange, such as foamed plastics.
Field fabrication is by supple buffer layer (3), the structure that the steel plate (4) of putting more energy into consists of, at first selecting thickness is the Polymer Synthesizing rubber of 6mm and the steel plate of putting more energy into of 2mm, staggered through 5 layers of structure of high temperature vulcanized bonding formation, as shown in Figure 2, placing external diameter in the centre punching is 300mm dish spring guide cylinder, in guide cylinder, fill visco-elastic damping material, arrange that along the high direction of cylinder external diameter is the main disk spring of 500mm, main disk spring and guide cylinder tight fit, then around the main disk spring four direction to be evenly arranged 8 external diameters be the auxiliary disk spring of 400mm, as shown in Figure 1, auxiliary disk spring and guide cylinder tight fit are filled visco-elastic damping material in 8 guide cylinders.
After making, it is nestedly advanced channel-section steel, simultaneously, finish the construction of seismic isolation device in the peripheral brushing anti-corrosion insulation of channel-section steel coating, fix with it after structure is finished wait planning to build at last.
In the construction, a plurality of main disk springs can be set according to the situation person of choosing of practice of construction, such as 3 of horizontal plane horizontally sets or more, also can be along 3*3 main disk spring laterally, vertically evenly is set on horizontal plane, between adjacent two main disk springs an auxiliary disk spring is set, also can two or more auxiliary disk springs be set according to actual conditions, as shown in Figure 4.Disk spring is fixed in supple buffer layer by rigid connector (2) and puts more energy on the steel plate.According to the area of space of crossover sites, select suitable channel-section steel, put more energy into steel plate and connector length.
Claims (6)
1. a three-dimensional isolation device that is used for closely connected subway crossover sites comprises rigid support (1), rigid connector (2), supple buffer layer (3), the steel plate of putting more energy into (4), auxiliary disk spring (5), main disk spring (7) and disk spring guide cylinder (9); Supple buffer layer (3) and steel plate (4) interfolded of putting more energy into, top layer and bottom are supple buffer layer (3), supple buffer layer (3) is sealed by rigid support (1) all around with the steel plate (4) of putting more energy into, disk spring guide cylinder (9) vertically runs through supple buffer layer (3) and puts more energy into steel plate (4), disk spring guide cylinder (9) evenly distributes along horizontal, vertical on horizontal plane, auxiliary disk spring (5) is placed in respectively disk spring guide cylinder (9) external surface with main disk spring (7), and non-conterminous between the main disk spring (7).
2. a kind of three-dimensional isolation device for closely connected subway crossover sites according to claim 1 is characterized in that: the built-in visco-elastic damping material filler of disk spring guide cylinder (9) (6).
3. a kind of three-dimensional isolation device for closely connected subway crossover sites according to claim 1 is characterized in that: be provided with buffer layer (8) between rigid support (1) and supple buffer layer (3), the steel plate of putting more energy into (4).
4. a kind of three-dimensional isolation device for closely connected subway crossover sites according to claim 1 is characterized in that: described rigid support (1) is channel-section steel.
5. a kind of three-dimensional isolation device for closely connected subway crossover sites according to claim 1 is characterized in that: described supple buffer layer (3) is the Polymer Synthesizing rubber pad.
6. a kind of three-dimensional isolation device for closely connected subway crossover sites according to claim 1, it is characterized in that: described main disk spring (7) specification is greater than auxiliary disk spring (5) specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105266695A CN103015554A (en) | 2012-12-08 | 2012-12-08 | Three-dimensional seismic isolation device for being closely attached to cross part of subway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105266695A CN103015554A (en) | 2012-12-08 | 2012-12-08 | Three-dimensional seismic isolation device for being closely attached to cross part of subway |
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| CN103015554A true CN103015554A (en) | 2013-04-03 |
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| CN2012105266695A Pending CN103015554A (en) | 2012-12-08 | 2012-12-08 | Three-dimensional seismic isolation device for being closely attached to cross part of subway |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639473A (en) * | 2016-12-30 | 2017-05-10 | 厦门大学 | Adjustable-rigidity particle shock absorber used for high-rise civil structure |
| CN106639476A (en) * | 2017-01-22 | 2017-05-10 | 武汉大学 | Column component with built-in viscous damping geotextile |
| CN110984392A (en) * | 2019-11-26 | 2020-04-10 | 广州大学 | Nested multifunctional shock insulation rubber support |
| CN112681854A (en) * | 2020-12-10 | 2021-04-20 | 清华大学 | Double-friction pendulum three-dimensional vibration isolation support |
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| US20060137264A1 (en) * | 2004-12-07 | 2006-06-29 | Bridgestone Corporation | Seismic isolation apparatus |
| CN2905932Y (en) * | 2006-04-14 | 2007-05-30 | 北京工业大学 | Horizontal-vertical composite shock-insulation device |
| CN101484723A (en) * | 2006-07-06 | 2009-07-15 | 翁令司工业股份有限公司 | Earthquake isolation device |
| CN101929517A (en) * | 2009-06-22 | 2010-12-29 | 上海核工碟形弹簧制造有限公司 | Damping device with disk spring assembly structure |
| CN201713960U (en) * | 2010-01-28 | 2011-01-19 | 大连理工大学 | Three-dimensional vibration isolating device |
| CN201778394U (en) * | 2010-03-22 | 2011-03-30 | 北京工业大学 | Prestress rubber support seat |
| CN102337761A (en) * | 2010-07-16 | 2012-02-01 | 青岛理工大学 | Ball/disc spring vibration-isolating device |
| JP2012145197A (en) * | 2011-01-14 | 2012-08-02 | Bridgestone Corp | Base isolation device |
| CN102644468A (en) * | 2012-03-27 | 2012-08-22 | 北京工业大学 | Damping device used for crossover parts of underground short-distance crossing structures |
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2012
- 2012-12-08 CN CN2012105266695A patent/CN103015554A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1560395A (en) * | 2004-03-04 | 2005-01-05 | 华中科技大学 | Three-dimemsional vibration insulationg system |
| US20060137264A1 (en) * | 2004-12-07 | 2006-06-29 | Bridgestone Corporation | Seismic isolation apparatus |
| CN2905932Y (en) * | 2006-04-14 | 2007-05-30 | 北京工业大学 | Horizontal-vertical composite shock-insulation device |
| CN101484723A (en) * | 2006-07-06 | 2009-07-15 | 翁令司工业股份有限公司 | Earthquake isolation device |
| CN101929517A (en) * | 2009-06-22 | 2010-12-29 | 上海核工碟形弹簧制造有限公司 | Damping device with disk spring assembly structure |
| CN201713960U (en) * | 2010-01-28 | 2011-01-19 | 大连理工大学 | Three-dimensional vibration isolating device |
| CN201778394U (en) * | 2010-03-22 | 2011-03-30 | 北京工业大学 | Prestress rubber support seat |
| CN102337761A (en) * | 2010-07-16 | 2012-02-01 | 青岛理工大学 | Ball/disc spring vibration-isolating device |
| JP2012145197A (en) * | 2011-01-14 | 2012-08-02 | Bridgestone Corp | Base isolation device |
| CN102644468A (en) * | 2012-03-27 | 2012-08-22 | 北京工业大学 | Damping device used for crossover parts of underground short-distance crossing structures |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639473A (en) * | 2016-12-30 | 2017-05-10 | 厦门大学 | Adjustable-rigidity particle shock absorber used for high-rise civil structure |
| CN106639476A (en) * | 2017-01-22 | 2017-05-10 | 武汉大学 | Column component with built-in viscous damping geotextile |
| CN110984392A (en) * | 2019-11-26 | 2020-04-10 | 广州大学 | Nested multifunctional shock insulation rubber support |
| CN112681854A (en) * | 2020-12-10 | 2021-04-20 | 清华大学 | Double-friction pendulum three-dimensional vibration isolation support |
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Application publication date: 20130403 |