CN104196059A - Building foundation vibration isolation system - Google Patents
Building foundation vibration isolation system Download PDFInfo
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- CN104196059A CN104196059A CN201410485952.7A CN201410485952A CN104196059A CN 104196059 A CN104196059 A CN 104196059A CN 201410485952 A CN201410485952 A CN 201410485952A CN 104196059 A CN104196059 A CN 104196059A
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Abstract
A building foundation vibration isolation system comprises a bottom vibration isolation system, wherein the bottom vibration isolation system comprises a reinforced concrete bottom plate, a waterproof layer, a concrete cushion layer and an original soil layer which are sequentially arranged from a surface layer to a bottom layer; and a protective layer, a vibration reduction cushion layer, a leveling layer and an isolation layer are sequentially arranged between the reinforced concrete base plate and the waterproof layer from top to bottom. The vibration isolation system for the building foundation can effectively reduce the negative influence on the vibration of the whole building in the vertical direction when a train passes by; the invention can make the vibration and the secondary structure noise in the building meet the national standard; the invention has simple structure and low construction cost.
Description
Technical field
The present invention relates to technical field of buildings, relate generally near the building that needs to carry out vibration isolation processing track traffic, especially relate to a kind of building foundation vibrating isolation system.
Background technology
Along with social development, track traffic becomes one of important urban transportation tool, and train is through the out-of-date concern that the vibration effect of surrounding buildings is more and more subject to people, and controlling vibration just becomes urgent problem.When track traffic is nearer apart from building, train through out-of-date produced vibration meeting on negative impacts (being mainly in vertical) of generation such as the resident of building, inhabitation, precision instruments.
Summary of the invention
The object of the invention is to design a kind of novel building foundation vibrating isolation system, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
A building foundation vibrating isolation system, comprises bottom vibrating isolation system, and described bottom vibrating isolation system comprises reinforced concrete floor, waterproofing course, concrete cushion and the former soil layer being set gradually to bottom by top layer; Between described reinforced concrete floor and described waterproofing course, set gradually from top to bottom topping, vibration damping bed course, leveling layer and separation layer.
Described topping is layer of concrete, and described leveling layer is layer of concrete, and described separation layer is cement sand bed.
Described topping is that thickness is the layer of concrete of 5-20mm, and the thickness of described vibration damping bed course is 12.5-120mm, and described leveling layer is that thickness is the layer of concrete of 5-20mm, and described separation layer is that thickness is the cement sand bed of 5-25mm.
The static load scope of the damping material in described vibration damping bed course is from 1.1 tons/square meter to 600 ton/square meter.
Also comprise side wall vibrating isolation system, described side wall vibrating isolation system comprises steel concrete outer wall, side wall waterproofing course, side wall isolation layer, side wall concrete layer and the former soil layer of side wall being set gradually to top layer by nexine; Between described steel concrete outer wall and described side wall waterproofing course, from nexine to top layer, set gradually side wall protection layer, side wall vibration damping bed course and side wall separation layer.
Described side wall protection layer is layer of concrete, and described side wall separation layer is cement sand bed.
The layer of concrete that described side wall protection layer is 5-20mm, described side wall cushion blocking layer thickness is 5-50mm, the cement sand bed that described side wall separation layer is 5-25mm.
The static load scope of the damping material in described side wall vibration damping bed course is from 1.1 tons/square meter to 600 ton/square meter.
Beneficial effect of the present invention can be summarized as follows:
1, the building foundation vibrating isolation system of the present invention's design, can effectively reduce train through the out-of-date negative effect that vibration in whole building vertical is produced.
2, the present invention can make vibration and secondary structure noise in building meet national standard.
3, the present invention is simple in structure, and construction cost is cheap.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of building foundation vibrating isolation system as shown in Figure 1, comprises bottom vibrating isolation system, and described bottom vibrating isolation system comprises reinforced concrete floor 1, waterproofing course 6, concrete cushion 7 and the former soil layer 8 being set gradually to bottom by top layer; Between described reinforced concrete floor 1 and described waterproofing course 6, set gradually from top to bottom topping 2, vibration damping bed course 3, leveling layer 4 and separation layer 5.
In the embodiment being more preferably, described topping 2 is layer of concrete, and described leveling layer 4 is layer of concrete, and described separation layer 5 is cement sand bed.
In the embodiment being more preferably; the layer of concrete that described topping 2 is 5-20mm for thickness; the thickness of described vibration damping bed course 3 is 12.5-120mm, the layer of concrete that described leveling layer 4 is 5-20mm for thickness, the cement sand bed that described separation layer 5 is 5-25mm for thickness.
In the embodiment being more preferably, the static load scope of the damping material in described vibration damping bed course 3 is from 1.1 tons/square meter to 600 ton/square meter.
In the embodiment being more preferably, described building foundation vibrating isolation system also comprises side wall vibrating isolation system, and described side wall vibrating isolation system comprises the former soil layer 28 of steel concrete outer wall 21, side wall waterproofing course 25, side wall isolation layer 26, side wall concrete layer 27 and side wall being set gradually to top layer by nexine; Between described steel concrete outer wall 21 and described side wall waterproofing course 25, from nexine to top layer, set gradually side wall protection layer 22, side wall vibration damping bed course 23 and side wall separation layer 24.
In the embodiment being more preferably, described side wall protection layer 22 is layer of concrete, and described side wall separation layer 24 is cement sand bed.
In the embodiment being more preferably, the layer of concrete that described side wall protection layer 22 is 5-20mm, described side wall vibration damping bed course 23 thickness are 5-50mm, the cement sand bed that described side wall separation layer 24 is 5-25mm.
In the embodiment being more preferably, the static load scope of the damping material in described side wall vibration damping bed course 23 is from 1.1 tons/square meter to 600 ton/square meter.
In certain preferred embodiment:
The quality of effectiveness in vibration suppression is evaluated by the level (need point out evaluation criteria) of shaking with intrinsic frequency f, vibration acceleration a or Z conventionally.Intrinsic frequency f is by formula
C=Dynamic Spring rigidity
The weight of m=superstructure+
The nonspring carried mass of wheel
Calculate, by formula, can be found out, in the certain situation of quality, the rigidity of damping material is less, and intrinsic frequency is less, and effectiveness in vibration suppression is better; In the certain situation of rigidity, quality is larger, therefore there is frequency less, effectiveness in vibration suppression is better.Certainly, also to consider that the settling amount of damping material meets the demands simultaneously.
The selection of material: about the selection problem of building foundation vibrating isolation system damping material used, because of building structure and highly different, need to calculate selection according to detailed parameter.The selection of material need to be followed two basic points:
1, because of the difference of constructure inner structure, the pressure load that shows the interior diverse location of same plane of building foundation is different, so, when carrying out vibration damping holder material selection calculating, first it is identical needing guarantee to install the settling amount on body basis, building after vibration damping holder, by selecting different damping materials to be arranged on corresponding building foundation position, the compressive strain that reaches damping material is identical, guarantees the safety of building;
2, the effectiveness in vibration suppression in order to meet design requirement, we can consider, in sufficient surplus situation, to carry out the design of vibration damping scheme according to structure parameter and vibration data, and the kind of definite damping material.The static load scope of the damping material that we adopt from 1.1 tons/square meter to 600 ton/square meter not etc., can fully meet the load needs of building structure.
Installation site: building foundation vibrating isolation system is mainly mounted in bottom surface and the surrounding side of building foundation, because need take into full account installation safety and anti-vibration performance, this vibrating isolation system need be arranged on the inside of building waterproof layer, and building waterproof layer wraps up entirely to vibrating isolation system.
The material of building foundation vibrating isolation system is selected:
The material of building foundation vibrating isolation system comprises macromolecular material and the steel springs such as polyurethane, rubber.
Associated materials thickness in the structure chart of building substrate isolation scheme:
Building substrate isolation scheme is divided into bottom vibration isolation processing scheme and side wall vibration isolation processing scheme; wherein in bottom vibration isolation processing scheme; topping 2 is the layer of concrete of thickness 5-20mm; vibration damping bed course 3 thickness are 12.5-120mm; leveling layer 4 thickness are 5-20mm concrete, the cement sand bed that separation layer 5 is 5-25mm.In side wall vibration isolation processing scheme, the cement sand bed that side wall separation layer 5 is 5-25mm, side wall vibration damping bed course 3 thickness are 5-50mm, the layer of concrete that side wall protection layer 2 is 5-20mm.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.
Claims (8)
1. a building foundation vibrating isolation system, comprises bottom vibrating isolation system, and described bottom vibrating isolation system comprises reinforced concrete floor, waterproofing course, concrete cushion and the former soil layer being set gradually to bottom by top layer; It is characterized in that: between described reinforced concrete floor and described waterproofing course, set gradually from top to bottom topping, vibration damping bed course, leveling layer and separation layer.
2. building foundation vibrating isolation system according to claim 1, is characterized in that: described topping is layer of concrete, and described leveling layer is layer of concrete, and described separation layer is cement sand bed.
3. building foundation vibrating isolation system according to claim 1; it is characterized in that: described topping is that thickness is the layer of concrete of 5-20mm; the thickness of described vibration damping bed course is 12.5-120mm; described leveling layer is that thickness is the layer of concrete of 5-20mm, and described separation layer is that thickness is the cement sand bed of 5-25mm.
4. building foundation vibrating isolation system according to claim 1, is characterized in that: the static load scope of the damping material in described vibration damping bed course is from 1.1 tons/square meter to 600 ton/square meter.
5. building foundation vibrating isolation system according to claim 1, it is characterized in that: also comprise side wall vibrating isolation system, described side wall vibrating isolation system comprises steel concrete outer wall, side wall waterproofing course, side wall isolation layer, side wall concrete layer and the former soil layer of side wall being set gradually to top layer by nexine; Between described steel concrete outer wall and described side wall waterproofing course, from nexine to top layer, set gradually side wall protection layer, side wall vibration damping bed course and side wall separation layer.
6. building foundation vibrating isolation system according to claim 5, is characterized in that: described side wall protection layer is layer of concrete, and described side wall separation layer is cement sand bed.
7. building foundation vibrating isolation system according to claim 5, is characterized in that: the layer of concrete that described side wall protection layer is 5-20mm, described side wall cushion blocking layer thickness is 5-50mm, the cement sand bed that described side wall separation layer is 5-25mm.
8. building foundation vibrating isolation system according to claim 5, is characterized in that: the static load scope of the damping material in described side wall vibration damping bed course is from 1.1 tons/square meter to 600 ton/square meter.
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| CN201410485952.7A CN104196059B (en) | 2014-09-22 | 2014-09-22 | Building foundation vibration isolation system |
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| CN201410485952.7A CN104196059B (en) | 2014-09-22 | 2014-09-22 | Building foundation vibration isolation system |
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| CN104196059B CN104196059B (en) | 2016-08-03 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887939A (en) * | 2016-06-21 | 2016-08-24 | 刘元雪 | Energy dissipation vibrator and standing wave area power protecting system and method |
| CN109930631A (en) * | 2019-04-10 | 2019-06-25 | 北京市劳动保护科学研究所 | Building foundation vibration insulation structure and its construction method |
| CN110242089A (en) * | 2019-05-31 | 2019-09-17 | 杨维国 | A vibration isolation device and vibration isolation method suitable for vertical vibration caused by rail traffic |
| CN113006115A (en) * | 2021-02-10 | 2021-06-22 | 国机集团科学技术研究院有限公司 | Design process of conical separated lock catch type raft foundation vibration isolation uplift pile |
| CN113502845A (en) * | 2021-06-22 | 2021-10-15 | 广东省六建集团有限公司 | Vibration isolation laboratory and construction method |
| CN114525819A (en) * | 2022-02-24 | 2022-05-24 | 北京建工四建工程建设有限公司 | Vibration isolation structure of tower crane foundation and construction method thereof |
| CN114687385A (en) * | 2022-03-16 | 2022-07-01 | 浙江工业大学 | A Periodic Cushion Layer for Subway Tunnel Vibration Isolation and Isolation Barrier |
| CN116145737A (en) * | 2022-10-20 | 2023-05-23 | 北京市科学技术研究院城市安全与环境科学研究所 | Construction method of building foundation elastic vibration damping system and elastic vibration damping system thereof |
| CN116145740A (en) * | 2023-04-20 | 2023-05-23 | 北京市科学技术研究院城市安全与环境科学研究所 | Vibration isolation system and construction technology of building foundation elastic pad along rail transit |
| CN116446465A (en) * | 2023-06-19 | 2023-07-18 | 北京市科学技术研究院城市安全与环境科学研究所 | A building vibration-reducing structure suitable for no foundation pit lining wall and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887939A (en) * | 2016-06-21 | 2016-08-24 | 刘元雪 | Energy dissipation vibrator and standing wave area power protecting system and method |
| CN109930631B (en) * | 2019-04-10 | 2024-03-08 | 北京市劳动保护科学研究所 | Vibration isolation structure of building foundation and construction method thereof |
| CN109930631A (en) * | 2019-04-10 | 2019-06-25 | 北京市劳动保护科学研究所 | Building foundation vibration insulation structure and its construction method |
| CN110242089A (en) * | 2019-05-31 | 2019-09-17 | 杨维国 | A vibration isolation device and vibration isolation method suitable for vertical vibration caused by rail traffic |
| CN113006115A (en) * | 2021-02-10 | 2021-06-22 | 国机集团科学技术研究院有限公司 | Design process of conical separated lock catch type raft foundation vibration isolation uplift pile |
| CN113502845A (en) * | 2021-06-22 | 2021-10-15 | 广东省六建集团有限公司 | Vibration isolation laboratory and construction method |
| CN113502845B (en) * | 2021-06-22 | 2022-08-02 | 广东省六建集团有限公司 | Vibration isolation laboratory and construction method |
| CN114525819A (en) * | 2022-02-24 | 2022-05-24 | 北京建工四建工程建设有限公司 | Vibration isolation structure of tower crane foundation and construction method thereof |
| CN114687385A (en) * | 2022-03-16 | 2022-07-01 | 浙江工业大学 | A Periodic Cushion Layer for Subway Tunnel Vibration Isolation and Isolation Barrier |
| CN116145737A (en) * | 2022-10-20 | 2023-05-23 | 北京市科学技术研究院城市安全与环境科学研究所 | Construction method of building foundation elastic vibration damping system and elastic vibration damping system thereof |
| CN116145740A (en) * | 2023-04-20 | 2023-05-23 | 北京市科学技术研究院城市安全与环境科学研究所 | Vibration isolation system and construction technology of building foundation elastic pad along rail transit |
| CN116446465A (en) * | 2023-06-19 | 2023-07-18 | 北京市科学技术研究院城市安全与环境科学研究所 | A building vibration-reducing structure suitable for no foundation pit lining wall and its construction method |
| CN116446465B (en) * | 2023-06-19 | 2023-10-27 | 北京市科学技术研究院城市安全与环境科学研究所 | A vibration-absorbing structure suitable for buildings without foundation pit lining walls and its construction method |
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Effective date of registration: 20220506 Address after: 100081 room 506, floor 5, building 3, Daliushu Fuhai center, Haidian District, Beijing Patentee after: Beijing Baoman Guotai Track Technology Co.,Ltd. Address before: 100081 room 304, building 3, Daliushu Fuhai center, Haidian District, Beijing Patentee before: BEIJING BAOMAN TECHNOLOGY Co.,Ltd. |
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