JPH07252967A - Vibration prevention structure - Google Patents
Vibration prevention structureInfo
- Publication number
- JPH07252967A JPH07252967A JP6040035A JP4003594A JPH07252967A JP H07252967 A JPH07252967 A JP H07252967A JP 6040035 A JP6040035 A JP 6040035A JP 4003594 A JP4003594 A JP 4003594A JP H07252967 A JPH07252967 A JP H07252967A
- Authority
- JP
- Japan
- Prior art keywords
- building
- vibration
- buildings
- new
- lower floor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、地震、風、鉄道、高速
道路といった外的要因に対して建物が振動することを防
止できる振動防止構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration preventing structure capable of preventing a building from vibrating due to external factors such as an earthquake, wind, railroads and highways.
【０００２】[0002]
【従来の技術】従来より免振装置、制振装置を備えた建
物が多く建設され、地震等により建物が振動することを
防止している。具体的には、免振装置として、建物の底
部と地盤との間に積層ゴム、振動減衰装置などを設ける
構成が採用され、また、制振装置として、建物の上部位
置に一定量の水を貯留したタンク、水平方向に移動自在
な重錘を設け、振動に合わせて水、重錘を共振させるこ
とにより、該建物の動きを止める構成が採用されてい
る。2. Description of the Related Art Conventionally, many buildings have been provided with a vibration isolation device and a vibration damping device to prevent the buildings from vibrating due to an earthquake or the like. Specifically, a structure in which laminated rubber, a vibration damping device, etc. are provided between the bottom of the building and the ground is adopted as the vibration isolation device, and a certain amount of water is applied to the upper position of the building as the vibration damping device. A structure is adopted in which a storage tank and a weight movable in the horizontal direction are provided and the movement of the building is stopped by causing water and the weight to resonate in response to vibration.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記のよう
な免振装置、制振装置は、一般に建物毎に個々に設けら
れるものであり、よってその設置には多大なコストがか
かるという問題があり、この点において新たな技術の提
供が期待されていた。By the way, the above-mentioned vibration isolation device and vibration damping device are generally provided individually for each building, and therefore, there is a problem that installation thereof requires a great deal of cost. In this respect, the provision of new technology was expected.
【０００４】この発明は上記の事情に鑑みてなされたも
のであって、２つの建物を１つの単位として、これら建
物全体が振動、転倒することを防止し、これによって制
振のためのコストを低減させることが可能な振動防止構
造の提供を目的とする。The present invention has been made in view of the above circumstances. With two buildings as one unit, the entire buildings are prevented from vibrating and falling, thereby reducing the cost for damping. An object of the present invention is to provide a vibration prevention structure that can be reduced.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に第１の発明では、近接位置に設けられた一対の建物の
振動を防止する振動防止構造であって、これら建物のい
ずれか一方を上層階部と下層階部とに分離し、これら上
層階部と下層階部との間に免振装置を設けるとともに、
該建物の下層階部と他方の建物との間を水平な連結梁に
より連結したことを特徴とする。In order to achieve the above object, in the first invention, there is provided a vibration preventing structure for preventing vibration of a pair of buildings provided in close proximity to each other. Separated into the upper floor and the lower floor, and providing a vibration isolation device between the upper floor and the lower floor,
The lower floor of the building and the other building are connected by a horizontal connecting beam.
【０００６】第２の発明では前記連結梁を軸剛性の大き
い梁により構成したことを特徴とする。A second aspect of the invention is characterized in that the connecting beam is constituted by a beam having a large axial rigidity.
【０００７】[0007]
【作用】本発明は、近接位置に設けられた２つの建物の
いずれか一方を上層階部と下層階部とに分離し、これら
上層階部と下層階部との間に免振装置を設けるととも
に、該建物の下層階部と他方の建物との間を水平な連結
梁により連結した構成であるので、例えば地震が発生し
た場合であっても、連結梁により互いの建物が転倒する
ことを防止できるとともに、免振装置を介して設けられ
た一方の建物の上層階部が、地震の振動に応じて共振す
るチューンド・マス・ダンパーとして働くことにより、
該建物の下層階部、及び連結梁で連結された他方の建物
の振動を抑制することができる。According to the present invention, one of the two buildings provided in the close position is separated into the upper floor and the lower floor, and the vibration isolation device is provided between the upper floor and the lower floor. In addition, since the lower floors of the building and the other building are connected by a horizontal connecting beam, it is possible to prevent the buildings from tipping over due to the connecting beams even if an earthquake occurs, for example. In addition to being able to prevent it, the upper floors of one of the buildings installed via the vibration isolation device function as a tuned mass damper that resonates in response to the vibration of the earthquake,
Vibration of the lower floor of the building and the other building connected by the connecting beam can be suppressed.
【０００８】第２の発明では、一方の建物の下層階部と
他方の建物との間の連結梁として、軸剛性の大きい梁を
使用したので、地震等が発生して、免振装置を介して設
けられた一方の建物の上層階部が、地震の振動に応じて
共振するチューンド・マス・ダンパーとして機能した場
合に、地震の振動を打ち消す力が該連結梁を介して他方
の建物に有効に伝達される。In the second aspect of the invention, since a beam having a large axial rigidity is used as a connecting beam between the lower floor of one building and the other building, an earthquake or the like occurs, and the beam is transmitted through the vibration isolation device. When the upper floors of one building provided as a function as a tuned mass damper that resonates according to the vibration of the earthquake, the force that cancels the vibration of the earthquake is effective for the other building via the connecting beam. Be transmitted to.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図１に基づいて説
明する。この図において符号１・２で示すものは互いに
近接する位置に設けられた建物であって、これらの中
で、建物１は先に建設済の既設建屋、建物２は建物１よ
り後に建設された新設建屋である。新設建屋２は上層階
部３と下層階部４とに分離されたものであって、上層階
部３は下層階部４の上面に免振装置５を介して設けら
れ、また、下層階部４の側部と既設建屋１の側部とは複
数の連結梁６により連結されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. In this figure, reference numerals 1 and 2 are buildings provided in positions close to each other. Among these, the building 1 is an existing building that has already been constructed, and the building 2 is constructed after the building 1. It is a new building. The new building 2 is divided into an upper floor portion 3 and a lower floor portion 4, and the upper floor portion 3 is provided on the upper surface of the lower floor portion 4 via a vibration isolation device 5, and also the lower floor portion. 4 and the side of the existing building 1 are connected by a plurality of connecting beams 6.
【００１０】なお、新設建屋２において、上層階部３の
重量は全体重量の１５％程度に設定することが好まし
い。例えば、各階毎の重量が同じであると過程すれば、
新設建屋２が２０階建の建物であるときには上層階部３
は３階程度とし、新設建屋２が４０階建の建物であると
きには上層階部３は６階程度とすると良い。また、この
ような上層階部３の階数設定は全体の設計内容に応じて
適宜変更することは言うまでも無い。また、免振装置５
は、上層階部３を支える積層ゴム７と油圧シリンダ等の
減衰装置８とにより構成されるものであって、これら積
層ゴム７、減衰装置８によって下層階部４の振動が上層
階部３に伝達されることを防止している。また、連結梁
６は、新設建屋２の下層階部４と既設建屋１との間に水
平に設けられたものであって、軸方向に対して剛性の高
い材料により形成されている。In the new building 2, the weight of the upper floors 3 is preferably set to about 15% of the total weight. For example, in the process that the weight of each floor is the same,
When the new building 2 is a 20-story building, the upper floors 3
Is about 3 floors, and when the new building 2 is a 40-storey building, the upper floors 3 may be about 6 floors. Needless to say, the setting of the number of floors of the upper floor 3 is appropriately changed according to the design contents of the whole. In addition, the vibration isolation device 5
Is composed of a laminated rubber 7 supporting the upper floor 3 and a damping device 8 such as a hydraulic cylinder. The laminated rubber 7 and the damping device 8 cause vibration of the lower floor 4 to the upper floor 3. It is prevented from being transmitted. The connecting beam 6 is provided horizontally between the lower floor 4 of the new building 2 and the existing building 1, and is made of a material having high rigidity in the axial direction.
【００１１】そして、以上のように構成された振動防止
構造では、既設建屋１の近接位置に、上層階部３と下層
階部４とに分離した新設建屋２を設け、新設建屋２の上
層階部３と下層階部４との間に免振装置５を設けるとと
もに、該新設建屋２の下層階部４の側部と、既設建屋１
との間を水平な連結梁６により連結したものであるの
で、例えば、地震が発生した場合であっても、連結梁６
により互いの建物が転倒することを防止できるととも
に、免振装置５を介して設けられた新設建屋２の上層階
部３が、地震の振動に応じて共振するチューンド・マス
・ダンパーとして働くことにより、該建物の下層階部
４、及び連結梁６で連結された既設建屋１の振動を抑制
することができる。すなわち、本実施例の振動防止構造
では、免振装置５及び連結梁６により２つの既設建屋
１、新設建屋２を共に制振、転倒防止可能な構成である
ので、個々の建物について制振対策を施していた従来の
振動防止構造と比較してコストの点でも有利であるとい
う効果が得られる。In the vibration preventing structure constructed as described above, a new building 2 separated into an upper floor 3 and a lower floor 4 is provided in the vicinity of the existing building 1, and the upper floor of the new building 2 is provided. The vibration isolator 5 is provided between the section 3 and the lower floor 4, and the side portion of the lower floor 4 of the new building 2 and the existing building 1 are installed.
Since it is connected by a horizontal connecting beam 6, the connecting beam 6 is connected even when an earthquake occurs.
Prevent each other from falling over, and the upper floor 3 of the new building 2 installed via the vibration isolation device 5 acts as a tuned mass damper that resonates according to the vibration of the earthquake. It is possible to suppress the vibration of the existing building 1 connected by the lower floor portion 4 of the building and the connecting beam 6. That is, in the vibration prevention structure of the present embodiment, both the existing building 1 and the new building 2 can be damped and prevented from falling by the vibration isolator 5 and the connecting beam 6. As compared with the conventional vibration-preventing structure that has been provided, the effect of being advantageous in terms of cost can be obtained.
【００１２】また、上記振動防止構造では、新設建屋２
の下層階部４と、既設建屋１との間を軸剛性の大きい水
平な連結梁６により連結したので、地震等が発生して、
免振装置５を介して設けられた新設建屋２の上層階部３
が、地震の振動に応じて共振するチューンド・マス・ダ
ンパーとして機能した場合に、地震の振動を打ち消す水
平方向の力が、該連結梁６を介して既設建屋１にも有効
に伝達され、これにより建物全体を有効に制振させるこ
とが可能となる。また、上記振動防止構造では、２つの
建物の中で、新設建屋２に連結される既設建屋１は既存
の建物を利用するものであり、これによって既設建物１
を新設建屋２とともに制振構造とすることが可能とな
り、個々の建物に制振対策を施した場合と比較して制振
対策にかかる費用の削減が可能となる。Further, in the above vibration prevention structure, the new building 2
Since the lower connecting floor 4 and the existing building 1 are connected by a horizontal connecting beam 6 having large axial rigidity, an earthquake or the like occurs,
Upper floor 3 of a new building 2 provided via a vibration isolation device 5
, When it functions as a tuned mass damper that resonates according to the vibration of the earthquake, the horizontal force that cancels the vibration of the earthquake is effectively transmitted to the existing building 1 through the connecting beam 6, This enables effective damping of the entire building. Further, in the above vibration prevention structure, the existing building 1 connected to the new building 2 uses the existing building in the two buildings, and thus the existing building 1
Can be made to have a vibration damping structure together with the new building 2, and the cost for vibration damping can be reduced compared to the case where vibration damping is applied to each building.
【００１３】なお、上記実施例では、先に建設されてい
る既設建屋１に新設建屋２を連結させたものであるが、
更に、新設建屋２を建設する場合、この新設建屋２を既
設建屋１に対して更に連結させても良い。すなわち、既
設建屋１を囲むように複数の新設建屋２を建設しても良
い。In the above-mentioned embodiment, the new building 2 is connected to the existing building 1 constructed earlier,
Furthermore, when constructing the new building 2, this new building 2 may be further connected to the existing building 1. That is, a plurality of new buildings 2 may be constructed so as to surround the existing building 1.
【００１４】[0014]
【発明の効果】以上の説明から明らかなように本発明に
よれば、地震等が発生した場合であっても、連結梁によ
り互いの建物が転倒することを防止できるとともに、免
振装置を介して設けられた一方の建物の上層階部が、地
震の振動に応じて共振するチューンド・マス・ダンパー
として働くことにより、該建物の下層階部及び、連結梁
で連結された他方の建物の振動を抑制することができ
る。すなわち、本発明の振動防止構造では、免振装置及
び連結梁により２つの建物を共に制振、転倒防止可能な
構成であるので、従来と比較してコストの点でも有利で
あるという効果が得られる。As is apparent from the above description, according to the present invention, even if an earthquake or the like occurs, the connecting beams can prevent the buildings from falling over each other, and the vibration isolation device is used. The upper floors of one of the buildings provided as a work function as tuned mass dampers that resonate in response to earthquake vibrations, thereby lowering the floors of the building and the vibration of the other building connected by connecting beams. Can be suppressed. That is, in the vibration prevention structure of the present invention, the two buildings can be both damped and prevented from falling by the vibration isolator and the connecting beam, which is advantageous in terms of cost as compared with the conventional one. To be
【００１５】第２の発明では、一方の建物の下層階部と
他方の建物との間の連結梁として、軸剛性の大きい梁を
使用したので、地震等が発生して、免振装置を介して設
けられた一方の建物の上層階部が、地震の振動に応じて
共振するチューンド・マス・ダンパーとして機能した場
合に、地震の振動を打ち消す力が該連結梁を介して他方
の建物に有効に伝達される。In the second aspect of the present invention, since a beam having a large axial rigidity is used as a connecting beam between the lower floor of one building and the other building, an earthquake or the like occurs, and the beam is passed through the vibration isolation device. When the upper floors of one building provided as a function as a tuned mass damper that resonates according to the vibration of the earthquake, the force that cancels the vibration of the earthquake is effective for the other building via the connecting beam. Be transmitted to.
【図１】本発明の一実施例を示す概略構成図。FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention.
１ 既設建屋（他方の建物） ２ 新設建屋（一方の建物） ３ 上層階部 ４ 下層階部 ５ 免振装置 ６ 連結梁 1 Existing building (other building) 2 New building (one building) 3 Upper floor 4 Lower floor 5 Vibration isolation device 6 Connecting beam
Claims (2)
を防止する振動防止構造であって、 これら建物のいずれか一方を上層階部と下層階部とに分
離し、これら上層階部と下層階部との間に免振装置を設
けるとともに、該建物の下層階部と他方の建物との間を
水平な連結梁により連結したことを特徴とする振動防止
構造。1. A vibration prevention structure for preventing vibration of a pair of buildings provided in close proximity, wherein one of these buildings is separated into an upper floor and a lower floor, and these upper and lower floors are separated from each other. An anti-vibration structure, characterized in that a vibration isolation device is provided between the lower floor section and the lower floor section, and the lower floor section of the building and the other building are connected by a horizontal connecting beam.
成されることを特徴とする請求項１記載の振動防止構
造。2. The vibration preventing structure according to claim 1, wherein the connecting beam is a beam having a large axial rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04003594A JP3200789B2 (en) | 1994-03-10 | 1994-03-10 | Anti-vibration structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04003594A JP3200789B2 (en) | 1994-03-10 | 1994-03-10 | Anti-vibration structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07252967A true JPH07252967A (en) | 1995-10-03 |
| JP3200789B2 JP3200789B2 (en) | 2001-08-20 |
Family
ID=12569662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04003594A Expired - Fee Related JP3200789B2 (en) | 1994-03-10 | 1994-03-10 | Anti-vibration structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3200789B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336332A (en) * | 1998-05-29 | 1999-12-07 | Kajima Corp | Reinforcing structure for existing structure and reinforcing construction |
| JP2010037820A (en) * | 2008-08-05 | 2010-02-18 | Takenaka Komuten Co Ltd | Method of controlling vibration in building to be demolished |
| JP2011117142A (en) * | 2009-12-01 | 2011-06-16 | Toyota Home Kk | Vibration control structure of building |
| JP2015200125A (en) * | 2014-04-09 | 2015-11-12 | 株式会社大林組 | Vibration control building and building vibration control method |
| JP2018100590A (en) * | 2018-02-07 | 2018-06-28 | 株式会社竹中工務店 | Intermediate base isolation structure |
| JP2021080799A (en) * | 2019-11-22 | 2021-05-27 | 株式会社竹中工務店 | Connection structure of structure and design method of structure |
-
1994
- 1994-03-10 JP JP04003594A patent/JP3200789B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336332A (en) * | 1998-05-29 | 1999-12-07 | Kajima Corp | Reinforcing structure for existing structure and reinforcing construction |
| JP2010037820A (en) * | 2008-08-05 | 2010-02-18 | Takenaka Komuten Co Ltd | Method of controlling vibration in building to be demolished |
| JP2011117142A (en) * | 2009-12-01 | 2011-06-16 | Toyota Home Kk | Vibration control structure of building |
| JP2015200125A (en) * | 2014-04-09 | 2015-11-12 | 株式会社大林組 | Vibration control building and building vibration control method |
| JP2018100590A (en) * | 2018-02-07 | 2018-06-28 | 株式会社竹中工務店 | Intermediate base isolation structure |
| JP2021080799A (en) * | 2019-11-22 | 2021-05-27 | 株式会社竹中工務店 | Connection structure of structure and design method of structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3200789B2 (en) | 2001-08-20 |
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