CN206205009U - A kind of periodicity stratiform vibration isolation barrier - Google Patents
A kind of periodicity stratiform vibration isolation barrier Download PDFInfo
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- CN206205009U CN206205009U CN201620989764.2U CN201620989764U CN206205009U CN 206205009 U CN206205009 U CN 206205009U CN 201620989764 U CN201620989764 U CN 201620989764U CN 206205009 U CN206205009 U CN 206205009U
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- vibration
- vibration isolation
- stratiform
- periodicity
- isolation barrier
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Abstract
The utility model is related to a kind of periodicity stratiform vibration isolation barrier, including at least five layers of layer structure, layered structure is rigid layer and elastic layer, wherein, the rigid layer is alternately arranged with the elastic layer, and the rigid layer is in the outermost of the periodicity stratiform vibration isolation barrier；The length of the periodicity stratiform vibration isolation barrier is more than building length；When vibration source is underground vibration source, the depth of the depth not less than underground vibration source of the periodicity stratiform vibration isolation barrier.The beneficial effects of the utility model are：Vibration Absorbing System Design can be carried out for different frequency sections；Vibration isolating effect is better than existing common vibration isolation ditch；Using rigid layer plus the Combination Design of elastomeric material, structure is more stable, low cost.
Description
Technical field
The utility model is related to vibration isolation ditch vibration isolation, and in particular to a kind of periodicity stratiform vibration isolation barrier.
Background technology
Subway Train Operation in Existed Subway can cause the vibration of tunnel structure, surrounding soil and nearby buildings.If not using vibration damping
Measure or vibration reducing measure will result in that building internal vibration is excessive using insufficient, and the normal life to resident in building causes shadow
Ring；Normal use to accurate precision instrument impacts；Building inherently safe is impacted.Current vibration reducing measure is main
It is divided three classes：Vibration source vibration damping, path vibration isolation, building passive vibration isolation.Vibration source vibration damping is to be taken measures on train and track, will
Train operation causes vibration reduction；Path vibration isolation is that vibration isolation measure is arranged on the path of Vibration propagation, prevents the biography of vibration wave
Broadcast；Building passive vibration isolation is to be isolated sensitive target with corresponding isolation mounting, to reduce the interference of vibration.Path vibration isolation
Played a significant role in subway vibration damping field, asked in particular for the existing building vibration exceeding the standard around existing subway line
Topic, path vibration isolation almost necessitates selection.
Vibration isolation ditch vibration isolation is existing route vibration isolation important component, i.e., by empty ditch or fill different vibration isolation materials to reach
To vibration isolating effect.As illustrated in fig. 1 and 2, existing vibration isolation ditch vibration isolation technique is primarily present following several respects shortcoming：
(1) effectiveness in vibration suppression depends on packing material, and current material effectiveness in vibration suppression is not obvious and cost is higher；
(2) form of empty ditch, structural instability is susceptible to cave in.
(3) filling ditch does not account for vibration isolation bandgap frequency.
(4) filling ditch does not account for the characteristic frequency of Subway Vibration vibration source, and design vibration insulation structure is removed certainly according to vibration source characteristic
The bandgap frequency of body, causes that the vibration isolating effect of measure can not be given full play to.
Utility model content
Weak point present in regarding to the issue above, the utility model provides a kind of periodicity stratiform vibration isolation barrier, solution
Certainly Subway Train Operation in Existed Subway causes Nearby Structure around to vibrate excessive problem.
To achieve the above object, the utility model provides a kind of periodicity stratiform vibration isolation barrier, including at least five layers of layer
Shape structure, layered structure be rigid layer and elastic layer, wherein, the rigid layer is alternately arranged with the elastic layer, and institute
Outermost of the rigid layer in the periodicity stratiform vibration isolation barrier is stated, the length of the periodicity stratiform vibration isolation barrier is more than building
Thing length.
Further improved as the utility model, the depth of the periodicity stratiform vibration isolation barrier is more than or equal to track traffic
Vibration source depth.
Further improved as the utility model, the rigid layer is armored concrete or plain concrete construction.
Further improved as the utility model, the thickness degree of the rigid layer is 0.2m-0.6m, the bullet of the rigid layer
Property modulus be 1 × 109Pa-6×1010Pa。
Further improved as the utility model, the thickness of the elastic layer is 0.05m-0.3m, the bullet of the elastic layer
Property modulus be 1 × 103Pa-1×107Pa。
The beneficial effects of the utility model are：
1st, Vibration Absorbing System Design can be carried out for different frequency sections；
2nd, vibration isolating effect is better than existing common vibration isolation ditch；
3rd, the Combination Design of elastomeric material is added using concrete, structure is more stable, low cost.
Brief description of the drawings
Fig. 1 is the structural representation of existing empty ditch vibration isolation ditch；
Fig. 2 is the structural representation of existing filling ditch vibration isolation ditch；
Fig. 3 is a kind of floor map of the structure of periodicity stratiform vibration isolation barrier of the utility model.
Specific embodiment
As shown in figure 3, a kind of periodicity stratiform vibration isolation barrier of the utility model embodiment, including at least five layers of stratiform
Structure, the more effectiveness in vibration suppression of the number of plies are better, and the periodicity stratiform vibration isolation barrier is in sandwich-like.Wherein, layer structure is rigidity
Layer and elastic layer, rigid layer is alternately arranged with elastic layer, and to ensure that the outermost of periodicity stratiform vibration isolation barrier both sides is
Rigid layer.The length of periodicity stratiform vibration isolation barrier be more than building length, so as to building can integrally be carried out preferably every
Shake effect.When vibration source is ground vibration source, the depth of periodicity stratiform vibration isolation barrier is not limited.When vibration source is underground vibration source, week
The depth of phase property stratiform vibration isolation barrier is more than or equal to track traffic vibration source depth.
Further, rigid layer is armored concrete or plain concrete construction.Preferably, the thickness degree of rigid layer is
0.2m-0.6m, the elastic modelling quantity of rigid layer is 1 × 109Pa-6×1010Pa。
Preferably, the thickness of elastic layer is 0.05m-0.3m, and the elastic modelling quantity of elastic layer is 1 × 103Pa-1×107Pa。
The utility model has abandoned the way that existing common vibration isolation ditch does not calculate vibration isolation band gap, and difference is obtained by actual measurement
The vibration characteristics of soil body when track pattern, different soil parameter train pass through.The utility model is by vibration isolation barrier design into Sanming City
Shape is controlled, replacing superposition with elastomeric layer by rigid layer constitutes.Solid state physics research finds that periodic structure has frequency dispersion special
Property.The barrier of this periodic structure can be combined by different materials parameter, geometric parameter, with different vibration isolation frequency bands, be made
It has stronger vibration isolating effect to the vibration in vibration isolation frequency band.Due to subgrade of metro form and soil parameters in Practical Project
Difference, the crest frequency that the subway train vibration that causes of operation is propagated in the soil body is also different, can be directed to different peak values
Frequency, designing the stratiform vibration isolation barrier of multi-form increases the purpose of effectiveness in vibration suppression to reach.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (4)
1. a kind of periodicity stratiform vibration isolation barrier, it is characterised in that including at least five layers of layer structure, layered structure is
Rigid layer and elastic layer, wherein, the rigid layer is alternately arranged with the elastic layer, and the rigid layer is in the periodic layer
The outermost of shape vibration isolation barrier, the length of the periodicity stratiform vibration isolation barrier is more than building length.
2. periodicity stratiform vibration isolation barrier according to claim 1, it is characterised in that the rigid layer is armored concrete
Structure or plain concrete.
3. periodicity stratiform vibration isolation barrier according to claim 2, it is characterised in that the thickness degree of the rigid layer is
0.2m-0.6m, the elastic modelling quantity of the rigid layer is 1 × 109Pa-6×1010Pa。
4. periodicity stratiform vibration isolation barrier according to claim 1, it is characterised in that the thickness of the elastic layer is
0.05m-0.3m, the elastic modelling quantity of the elastic layer is 1 × 103Pa-1×107Pa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989764.2U CN206205009U (en) | 2016-08-30 | 2016-08-30 | A kind of periodicity stratiform vibration isolation barrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989764.2U CN206205009U (en) | 2016-08-30 | 2016-08-30 | A kind of periodicity stratiform vibration isolation barrier |
Publications (1)
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| CN206205009U true CN206205009U (en) | 2017-05-31 |
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| CN201620989764.2U Active CN206205009U (en) | 2016-08-30 | 2016-08-30 | A kind of periodicity stratiform vibration isolation barrier |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023040A (en) * | 2017-06-02 | 2017-08-08 | 郑州大学 | A kind of flexible hollow wall passive vibration isolation structure |
| CN108301338A (en) * | 2018-01-10 | 2018-07-20 | 山东大学 | Mitigate barrier vibration isolation structure and method that Subway Vibration influences periphery heritage buildings |
| CN109680728A (en) * | 2019-02-26 | 2019-04-26 | 广州大学 | A kind of modularization vibration insulation structure and its installation method |
| CN111945793A (en) * | 2020-07-09 | 2020-11-17 | 青海大学 | Novel construction method based on non-uniform layer and wave resistance plate vibration isolation barrier |
| CN114197958A (en) * | 2021-12-10 | 2022-03-18 | 同济大学 | Inverted trapezoidal pile vibration isolation barrier and construction method thereof |
| CN114687385A (en) * | 2022-03-16 | 2022-07-01 | 浙江工业大学 | Periodic cushion layer of vibration reduction and isolation barrier of subway tunnel |
| WO2023082751A1 (en) * | 2021-11-11 | 2023-05-19 | 北京华卓精科科技股份有限公司 | Multi-stage vibration isolation system and method for precision instrument |
-
2016
- 2016-08-30 CN CN201620989764.2U patent/CN206205009U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023040A (en) * | 2017-06-02 | 2017-08-08 | 郑州大学 | A kind of flexible hollow wall passive vibration isolation structure |
| CN108301338A (en) * | 2018-01-10 | 2018-07-20 | 山东大学 | Mitigate barrier vibration isolation structure and method that Subway Vibration influences periphery heritage buildings |
| CN109680728A (en) * | 2019-02-26 | 2019-04-26 | 广州大学 | A kind of modularization vibration insulation structure and its installation method |
| CN111945793A (en) * | 2020-07-09 | 2020-11-17 | 青海大学 | Novel construction method based on non-uniform layer and wave resistance plate vibration isolation barrier |
| WO2023082751A1 (en) * | 2021-11-11 | 2023-05-19 | 北京华卓精科科技股份有限公司 | Multi-stage vibration isolation system and method for precision instrument |
| CN114197958A (en) * | 2021-12-10 | 2022-03-18 | 同济大学 | Inverted trapezoidal pile vibration isolation barrier and construction method thereof |
| CN114687385A (en) * | 2022-03-16 | 2022-07-01 | 浙江工业大学 | Periodic cushion layer of vibration reduction and isolation barrier of subway tunnel |
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Address after: 100081 4 / F and 6 / F, No.15 building, No.2 courtyard, Daliushu Road, Haidian District, Beijing Patentee after: Urban rail transit center of China Railway Research Institute Group Co.,Ltd. Address before: 100081 4 / F and 6 / F, No.15 building, No.2 courtyard, Daliushu Road, Haidian District, Beijing Patentee before: URBAN RAIL TRANSIT CENTER OF CARS |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220425 Address after: 100081 4 / F and 6 / F, No.15 building, No.2 courtyard, Daliushu Road, Haidian District, Beijing Patentee after: Urban rail transit center of China Railway Research Institute Group Co.,Ltd. Patentee after: China Railway Academy (Beijing) Engineering Consulting Co.,Ltd. Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Address before: 100081 4 / F and 6 / F, No.15 building, No.2 courtyard, Daliushu Road, Haidian District, Beijing Patentee before: Urban rail transit center of China Railway Research Institute Group Co.,Ltd. |