CN110700330B - Ground barrier damping device - Google Patents
Ground barrier damping device Download PDFInfo
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- CN110700330B CN110700330B CN201910992163.5A CN201910992163A CN110700330B CN 110700330 B CN110700330 B CN 110700330B CN 201910992163 A CN201910992163 A CN 201910992163A CN 110700330 B CN110700330 B CN 110700330B
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- layer
- water bag
- damping plate
- vibration
- damping device
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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- General Engineering & Computer Science (AREA)
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- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Structural Engineering (AREA)
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- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a ground barrier vibration damping device, and relates to the technical field of vibration isolation buildings; the damping plate comprises a damping plate, a granular layer, a water bag layer, a friction layer and a high damping plate; lay the powdered solid particle of one deck and form the grained layer in damping plate inside, the water bag layer sets up between damping plate and frictional layer, and the water bag layer includes a plurality of closely arranged water bags, and one side fixed connection on high damping plate and frictional layer far away from the water bag layer can rub each other between frictional layer and the water bag layer, and this device can high-efficiently reduce the vibration of neighbouring ground.
Description
Technical Field
The invention relates to the technical field of vibration isolation buildings, in particular to a ground barrier vibration damping device.
Background
With the rapid development of the transportation industry, people pay more and more attention to the problem of environmental vibration caused by traffic load. Vehicle vibration has a great deal of adverse effects on the house structure along the road and the life and work of residents, and is particularly more prominent in urban roads with busy traffic, and the environmental vibration influence caused by the running of vehicles in part of the urban roads far exceeds the relevant national regulations, so that the environment of people in life and work can be disturbed, the physical and mental health of people can be affected, and buildings, underground pipelines and some high-precision instruments and equipment near vibration sources can be damaged, and great economic loss is brought.
Therefore, the research on vibration isolation measures is of great significance, and the current urban vibration isolation mainly comprises a vibration isolation barrier made of a single material arranged in a foundation, so that although a certain vibration attenuation effect is achieved, the vibration attenuation effect of the vibration isolation barrier cannot meet the requirement of people on the vibration isolation effect which can be achieved by the vibration isolation barrier.
Disclosure of Invention
The invention aims to provide a ground barrier vibration damping device, which solves the problems in the prior art and effectively reduces the vibration of the adjacent foundation.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a ground barrier vibration damping device which comprises a vibration damping plate, a particle layer, a water bag layer, a friction layer and a high damping plate, wherein the particle layer is arranged on the vibration damping plate; the particle layer is formed by paving a layer of powdery solid particles in the damping plate, the water bag layer is arranged between the damping plate and the friction layer, the water bag layer comprises a plurality of water bags which are closely arranged, the high-damping plate is fixedly connected with one side, far away from the water bag layer, of the friction layer, and the friction layer and the water bag layer can be mutually rubbed.
Preferably, the vibration damping plate comprises a plurality of identical concrete plates, a particle layer is uniformly distributed in each concrete plate, the concrete plates are arranged side by side, steel hooks are arranged on the concrete plates, and two adjacent concrete plates are fixedly connected through steel bars.
Preferably, the particle layer is a fly ash layer.
Preferably, the water bag is a rubber water bag.
Preferably, the rubber water bag is a tubular belt filled with water, and the mouth of the rubber water bag is bound and sealed.
Preferably, the high damping plate is an expanded polystyrene plate.
Preferably, the friction layer is a geotextile layer.
Preferably, the surface of the concrete slab is coated with a filler layer.
Preferably, the filler layer is a clay layer.
Compared with the prior art, the invention has the following technical effects: the ground barrier vibration damper provided by the invention has the advantages that the rigidity of the vibration damping plate is high, the transmission of vibration waves can be reduced through reflection, the contact area between the particle layer and the vibration waves is increased by the outer surface of the particle layer formed by uneven particles on the surface of the particle layer, so that the scattering and refraction of the vibration waves by the particle layer are enhanced, the water bag layer can well absorb shear waves in the vibration waves, the high damping plate has good capability of absorbing the vibration waves, the friction layer can consume the energy of the vibration waves through enhancing the friction between the water bag and the high damping plate, so that the transmission of the vibration waves is reduced, the media of all the layers have good vibration damping capability, in addition, the wave impedances of different media are different, when the vibration waves are transmitted from one medium to the other medium, the vibration waves can be reflected and refracted, so that the transmission of the vibration waves is reduced, and the different layer bodies are, thereby enabling the device to function to efficiently reduce vibration adjacent to the foundation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a top view of a ground barrier vibration damping device of the present invention;
fig. 2 is a sectional view of the ground barrier vibration damping device of the present invention.
In the figure: 1-vibration damping plate, 2-particle layer, 3-water bag layer, 4-friction layer, 5-high damping plate, 6-water bag, 7-packing layer and 8-concrete plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a ground barrier vibration damping device, which solves the problems in the prior art and can effectively reduce the vibration of an adjacent foundation.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the invention provides a ground barrier vibration damper, which comprises a vibration damper plate 1, a particle layer 2, a water bag layer 3, a friction layer 4 and a high damping plate 5; a layer of powdery solid particles is laid in the vibration damping plate 1 to form a particle layer 2, a water bag layer 3 is arranged between the vibration damping plate 1 and a friction layer 4, the water bag layer 3 comprises a plurality of water bags which are closely arranged, a high damping plate 5 is fixedly connected with one side of the friction layer 4 away from the water bag layer 3, and the friction layer 4 and the water bag layer 3 can be mutually rubbed; the damping plate 1 has a large rigidity and can reduce the propagation of vibration waves by reflection, the outer surface of the particle layer 2 formed by non-uniform particles on the surface of the particle layer 2 increases the contact area between the particle layer 2 and the vibration waves, thereby enhancing the scattering and refraction of the particle layer 2 to the vibration wave, the water bag layer 3 can well absorb the shear wave in the vibration wave, the high damping plate 5 has good capability of absorbing the vibration wave, the friction layer 4 can consume the energy of the vibration wave by enhancing the friction between the water bag and the high damping plate 5, thereby reducing the propagation of the vibration wave, the media of the layers have good vibration damping capacity, in addition, the wave impedances of different media are different, when the vibration wave propagates from one medium to another medium, the vibration wave can generate reflection and refraction phenomena, therefore, the transmission of vibration is reduced, and the different layers are independent and cooperate with each other, so that the device has the function of effectively reducing the vibration of the adjacent foundation.
As shown in fig. 1 and 2, in the present embodiment, the vibration damping plate 1 includes a plurality of identical concrete plates, a particle layer 2 is uniformly distributed inside each concrete plate 8, each concrete plate 8 is arranged side by side, steel hooks are arranged on the concrete plates 8 to facilitate the hoisting of the concrete plates, and adjacent concrete plates 8 are fixedly connected by steel bars; the concrete plates 8 have high rigidity, so that the propagation of vibration can be reduced through reflection, and the size of the vibration damping plate 1 can be controlled according to actual conditions by controlling the number of the concrete plates.
As shown in fig. 1, in this embodiment, the particle layer 2 is a fly ash layer, and the contact area between the particle layer 2 and the vibration wave is increased by the outer surface formed by uneven particles on the surface of the fly ash layer, so that scattering and refraction of the particle layer 2 to the vibration wave are enhanced;
in this embodiment, the water bag 6 is a rubber water bag, which has high oxidation and corrosion resistance and can be used for a long time.
In the embodiment, the rubber water bag is a tubular belt filled with water, the mouth of the rubber water bag is bound and sealed, and the design of the tubular belt enables a plurality of rubber water bags to be densely arranged into the water bag layer 3 more easily, so that the water bag layer 3 can better exert the capacity of absorbing shear waves.
In this embodiment, the high damping plate 5 is a foamed polystyrene plate, and the foamed polystyrene plate is made of a high damping material capable of absorbing vibration waves to reduce vibration thereof.
In this embodiment, the friction layer 4 is a geotextile layer, which has a strong friction characteristic and can consume the energy of the vibration wave by enhancing the friction between the water bag and the high damping plate 5, thereby reducing the propagation of the vibration wave.
As shown in fig. 1 and 2, in the present embodiment, a filler layer 7 is coated on the surface of the concrete slab 8, and the filler layer 7 can enhance the lubricating property of the vibration damping plate 1, so that the vibration damping plate 1 can be more easily placed in the ground during the construction process.
In this embodiment, the filler layer 7 is a clay layer, which has good clay lubrication performance and makes it easier to place the vibration damping plate 1 in the ground.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A ground barrier damping device, characterized in that: the damping plate comprises a damping plate, a granular layer, a water bag layer, a friction layer and a high damping plate; the particle layer is formed by paving a layer of powdery solid particles in the damping plate, the water bag layer is arranged between the damping plate and the friction layer, the water bag layer comprises a plurality of water bags which are closely arranged, the high-damping plate is fixedly connected with one side, far away from the water bag layer, of the friction layer, and the friction layer and the water bag layer can be mutually rubbed.
2. The ground barrier vibration damping device of claim 1, wherein: the vibration damping plate comprises a plurality of identical concrete plates, particle layers are uniformly distributed in each concrete plate, the concrete plates are arranged side by side, steel hooks are arranged on the concrete plates, and two adjacent concrete plates are fixedly connected through steel bars.
3. The ground barrier vibration damping device of claim 1, wherein: the particle layer is a fly ash layer.
4. The ground barrier vibration damping device of claim 1, wherein: the water bag is a rubber water bag.
5. The ground barrier vibration damping device of claim 4, wherein: the rubber water bag is a tubular belt filled with water, and the mouth of the rubber water bag is bound and sealed.
6. The ground barrier vibration damping device of claim 1, wherein: the high damping plate is a foamed polystyrene plate.
7. The ground barrier vibration damping device of claim 1, wherein: the friction layer is a geotextile layer.
8. The ground barrier vibration damping device of claim 2, wherein: and a filling layer is coated on the surface of the concrete plate.
9. The ground barrier vibration damping device of claim 8, wherein: the filler layer is a clay layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992163.5A CN110700330B (en) | 2019-10-18 | 2019-10-18 | Ground barrier damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992163.5A CN110700330B (en) | 2019-10-18 | 2019-10-18 | Ground barrier damping device |
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| Publication Number | Publication Date |
|---|---|
| CN110700330A CN110700330A (en) | 2020-01-17 |
| CN110700330B true CN110700330B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910992163.5A Active CN110700330B (en) | 2019-10-18 | 2019-10-18 | Ground barrier damping device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809116B (en) * | 2022-04-14 | 2023-02-03 | 中国科学院地理科学与资源研究所 | Columnar vibration isolation bag for reducing vibration influence of subway and bridge and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201053148Y (en) * | 2007-04-29 | 2008-04-30 | 黄文华 | Heat preservation sound insulation vibration damping composite board |
| CN102094513A (en) * | 2009-12-14 | 2011-06-15 | 马明 | Sound insulating and vibration reducing plate and preparation method thereof |
| CN103938657A (en) * | 2014-05-09 | 2014-07-23 | 山东大学 | Vibration isolation plate device in soil matrix treatment engineering and construction technology thereof |
| JP2015045188A (en) * | 2013-08-28 | 2015-03-12 | 清水建設株式会社 | Underground base isolation wall structure and construction method for the same |
| CN109797731A (en) * | 2019-02-19 | 2019-05-24 | 山东大学 | A kind of sectional flexibility vibration isolation bag, isolation mounting and method |
-
2019
- 2019-10-18 CN CN201910992163.5A patent/CN110700330B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201053148Y (en) * | 2007-04-29 | 2008-04-30 | 黄文华 | Heat preservation sound insulation vibration damping composite board |
| CN102094513A (en) * | 2009-12-14 | 2011-06-15 | 马明 | Sound insulating and vibration reducing plate and preparation method thereof |
| JP2015045188A (en) * | 2013-08-28 | 2015-03-12 | 清水建設株式会社 | Underground base isolation wall structure and construction method for the same |
| CN103938657A (en) * | 2014-05-09 | 2014-07-23 | 山东大学 | Vibration isolation plate device in soil matrix treatment engineering and construction technology thereof |
| CN109797731A (en) * | 2019-02-19 | 2019-05-24 | 山东大学 | A kind of sectional flexibility vibration isolation bag, isolation mounting and method |
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| CN110700330A (en) | 2020-01-17 |
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