JPH0658017A - Structure with vibration isolation - Google Patents
Structure with vibration isolationInfo
- Publication number
- JPH0658017A JPH0658017A JP20823992A JP20823992A JPH0658017A JP H0658017 A JPH0658017 A JP H0658017A JP 20823992 A JP20823992 A JP 20823992A JP 20823992 A JP20823992 A JP 20823992A JP H0658017 A JPH0658017 A JP H0658017A
- Authority
- JP
- Japan
- Prior art keywords
- floor
- frame
- framings
- horizontal
- central frame
- 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、地震等の際に水平面の
全ての方向に対して揺れを制振可能な制振構造物に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration control structure capable of suppressing vibrations in all directions on a horizontal plane during an earthquake or the like.
【0002】[0002]
【従来の技術】建物などの構造物の揺れを制振する技術
には種々のものが存在する。例えば図3に示すものは、
建物の架構1の一部に減衰装置3を組み込んだブレース
5を配設したものである(特開昭62−148775号
公報等)。しかし、この技術によれば、剪断変形(図中
左の鎖線)には大きな効果があるものの、曲げ変形(図
中右の鎖線)には効果が小さい。したがって、揺れの形
態として曲げ変形が支配的となる超高層建物にはあまり
効かない。2. Description of the Related Art There are various techniques for controlling the vibration of structures such as buildings. For example, the one shown in FIG.
A brace 5 in which a damping device 3 is incorporated is provided in a part of a frame 1 of a building (Japanese Patent Laid-Open No. 62-148775, etc.). However, according to this technique, the shear deformation (the chain line on the left in the drawing) has a great effect, but the bending deformation (the chain line on the right in the drawing) has a small effect. Therefore, it is not very effective for super high-rise buildings where bending deformation is dominant as the form of shaking.
【0003】また、図4及び図5に示すように、2つの
建物7,9の上側部を減衰装置で連結することで、剪断
変形又は曲げ変形の如何を問わず、建物の上方が変位す
る揺れに対して大きな効果を上げ得る技術が存在する。Further, as shown in FIGS. 4 and 5, by connecting the upper parts of the two buildings 7 and 9 with a damping device, the upper part of the building is displaced regardless of shear deformation or bending deformation. There are technologies that can have a great effect on shaking.
【0004】このうち、図4に示すものは、完全に独立
した2つの建物7,9の最上階を相互に通路11で繋
ぎ、この通路11部分に減衰装置を設けたものである。
一方、図5に示すものは、外観からは1つの大きな建物
に見えるが、実際には分離された2つの建物7,9を上
側部でルーフガーデン13で相互に繋ぎ、このルーフガ
ーデン13の部分に減衰装置を設けたものである。Of these, the one shown in FIG. 4 is one in which the uppermost floors of two completely independent buildings 7 and 9 are connected to each other by a passage 11 and a damping device is provided in this passage 11 portion.
On the other hand, the one shown in FIG. 5 looks like one large building from the outside, but in reality, two separated buildings 7 and 9 are connected to each other by a roof garden 13 on the upper side, and this roof garden 13 is a part. Is equipped with a damping device.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、図4及
び図5に示すものは隣接して並行に建てられた2つの建
物を減衰装置で連結するものであり、水平面の単一方向
にしか制振作用を行うことができない。即ち、2つの建
物を連結する方向にしか制振効果が得られない。本発明
は、このような事情に鑑みてなされたものであり、その
目的は、水平面のすべての方向に対して制振作用が得ら
れる制振構造物を提供することにある。However, what is shown in FIGS. 4 and 5 is to connect two buildings which are built adjacent to each other in parallel by a damping device, and the vibration is suppressed only in a single direction of the horizontal plane. Unable to act. That is, the damping effect can be obtained only in the direction in which the two buildings are connected. The present invention has been made in view of such circumstances, and an object thereof is to provide a vibration damping structure that can obtain a vibration damping action in all directions of a horizontal plane.
【0006】[0006]
【課題を解決するための手段】前記の目的を達成するた
めに請求項1に係る発明は、構造物を中央架構と該中央
架構を囲む外周架構とから構成し、該中央架構と該外周
架構との上側部に、これらを相互に連結してその相対振
動を減衰させる減衰装置を設けたことを特徴とする。In order to achieve the above-mentioned object, the invention according to claim 1 comprises a structure comprising a central frame and an outer frame surrounding the central frame, and the central frame and the outer frame. A damping device is provided on the upper side of and for damping the relative vibration by connecting them to each other.
【0007】また、請求項2に係る発明は、前記請求項
1の構成に加えて更に、前記外周架構の各階の床は水平
方向にスライド移動自在に該外周架構に支持させ、かつ
該外周架構の床を前記中央架構の同一階の床に曲げ変形
を吸収するピンジョイントを介して相互に結合したこと
を特徴とする。Further, in addition to the structure of claim 1, the invention according to claim 2 is such that the floor of each floor of the outer frame is supported by the outer frame so as to be slidable in the horizontal direction, and the outer frame is also supported. The floors are connected to each other on the same floor of the central frame through pin joints that absorb bending deformation.
【0008】[0008]
【作用】請求項1に係る発明では、中央架構の周囲を取
り巻いてすべての水平方向に外周架構が存在するので、
中央架構と外周架構との上側部を相互に連結する減衰装
置を適宜の方向に複数配置することで、水平面のすべて
の方向の揺れに対して制振作用を得ることができる。In the invention according to claim 1, since the outer peripheral frame is present in all horizontal directions surrounding the periphery of the central frame,
By arranging a plurality of damping devices that connect the upper portions of the central frame and the outer frame to each other in appropriate directions, it is possible to obtain a vibration damping action against shaking in all directions of the horizontal plane.
【0009】請求項2に係る発明では、各階の接合され
た床は、中央架構と外周架構とに相対変位が生じても、
その水平方向変位をスライド手段により吸収し、垂直方
向変位による曲げ変形をピンジョイントにより吸収す
る。In the invention according to claim 2, in the joined floors of each floor, even if relative displacement occurs between the central frame and the outer frame,
The horizontal displacement is absorbed by the slide means, and the bending deformation due to the vertical displacement is absorbed by the pin joint.
【0010】[0010]
【実施例】以下に、本発明の一実施例を図1及び図2に
基づき詳細に説明する。外部から見ると全体が1つに見
える構造物15は、力学的にほぼ独立した2つの架構1
7、19から構成される。1つは構造物15の中央を構
成する中央架構17であり、もう1つは中央架構17の
周囲を取り巻いて構造物15の外周を構成する外周架構
19である。中央架構17は全体として概略矩形の水平
断面を有し、外周架構19は全体として概略矩形のリン
グ状の水平断面を有する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to FIGS. The structure 15 that looks like one as a whole from the outside is composed of two structurally independent frames 1
It is composed of 7 and 19. One is a central frame 17 which constitutes the center of the structure 15, and the other is an outer frame 19 which surrounds the periphery of the central frame 17 and constitutes the outer periphery of the structure 15. The central frame 17 has a generally rectangular horizontal cross section as a whole, and the outer frame 19 has a generally rectangular ring-shaped horizontal cross section as a whole.
【0011】両架構17,19の上側部、即ち頂部に
は、減衰装置21が設けられ、両架構17,19を連結
している。本実施例では、この減衰装置21は略水平方
向に配置されてユニバーサルタイプのピンジョイント2
3を介して両架構17,19に連結されていて、図2に
示すように、減衰装置21は中央架構17の四隅に直交
方向に各一対ずつ,計8か所に設けられて、水平面のど
の方向の揺れに対しても制振が行えるようになってい
る。A damping device 21 is provided at an upper portion, that is, a top portion of the two frames 17 and 19 to connect the two frames 17 and 19. In the present embodiment, the damping device 21 is arranged in a substantially horizontal direction and has a universal type pin joint 2
2, the damping device 21 is provided at each of four corners of the central frame 17 in a direction orthogonal to each other at a total of eight places, as shown in FIG. Vibration can be controlled against shaking in any direction.
【0012】構造物15の屋根部分は2重構造となって
おり、外周架構19のリング状屋根25に対し、中央架
構17の屋根27が例えばキャスタ付き台車等を介して
水平方向に2次元的にスライド可能に覆っている。ま
た、両屋根25,27の接合部分にはフレキシブルな形
態で防水構造が施されている。The roof portion of the structure 15 has a double structure, and the roof 27 of the central frame 17 is two-dimensionally horizontal with respect to the ring-shaped roof 25 of the outer frame 19 via, for example, a trolley with casters. It is slidably covered. In addition, a waterproof structure is provided in a flexible form at a joint portion between the roofs 25 and 27.
【0013】各階において、外周架構19の床は上下2
重になっており、下の床29は外周架構19に固定され
ている。そして、上の床31はスライド手段32,例え
ばキャスター付き台車等を介して下の床29上に支持さ
れていて、当該下の床29に対して2次元方向にスライ
ド可能になっている。また、上の床31は中央架構19
に向けて水平に延出されて同一階の中央架構17の床3
4に接続されていて、かつこの上の床31は中央架構1
7側にピンジョイント33を介して取付けられ、しかも
中央架構17と外周架構19の間の部分においてもピン
ジョイント35が設けられている。すなわち、例えば地
震等により中央架構17側と外周架構19側とに垂直方
向の相対変位が生じても、床31はピンジョイント3
3,35部分で折れてその曲げ応力が吸収されるように
なっている。On each floor, the floor of the outer frame 19 is 2 above and below.
The lower floor 29 is fixed to the outer peripheral frame 19. The upper floor 31 is supported on the lower floor 29 via sliding means 32, for example, a trolley with casters, and is slidable in two dimensions with respect to the lower floor 29. The upper floor 31 is the central frame 19
Floor 3 of the central frame 17 on the same floor that extends horizontally toward
4 and the floor 31 above this is the central frame 1
It is attached to the 7 side via a pin joint 33, and a pin joint 35 is also provided in a portion between the central frame 17 and the outer frame 19. That is, even if a relative displacement in the vertical direction occurs on the side of the central frame 17 and the side of the outer frame 19 due to an earthquake or the like, for example, the floor 31 will not move to the pin joint 3 side.
The bending stress is absorbed by bending at the portions 3, 35.
【0014】以下本実施例の作用について説明する。地
震などで構造物15に水平方向の揺れが生じた場合、中
央架構17と外周架構19とは形状などが異なるため、
それぞれ異なる固有の振動周期となる。従って、両架構
17,19の間には水平方向の相対変位が生じ、この変
位に対し減衰装置21が働き制振作用を行う。この際、
前記したように減衰装置21は水平面で直交する方向に
沿って中央架構17の四隅にそれぞれ一対ずつ設けら
れ、かつ両架構17,19に対してユニバーサルタイプ
のピンジョイント23を介して連結されているので(図
2)、水平方向であればどの方向に対しても揺れを制振
できる。The operation of this embodiment will be described below. When the structure 15 is shaken in the horizontal direction due to an earthquake or the like, the central frame 17 and the outer frame 19 have different shapes.
Each has a unique vibration cycle. Therefore, a relative displacement in the horizontal direction occurs between the two frames 17 and 19, and the damping device 21 acts on this displacement to perform a vibration damping action. On this occasion,
As described above, the damping devices 21 are provided in pairs at the four corners of the central frame 17 along the direction orthogonal to the horizontal plane, and are connected to both frames 17 and 19 via universal type pin joints 23. Therefore (FIG. 2), the shake can be suppressed in any direction as long as it is horizontal.
【0015】また、構造物15が超高層建物の場合に
は、全体として曲げ変形を生じるが、この曲げ変形に伴
い両架構17,19との間に上下方向の相対変位が生じ
ても、各階の床31に設けられた2つのピンジョイント
33,35によりこの変位を吸収できる。即ち、2つの
ピンジョイント3,35が折れ曲がることにより床31
の曲げ変形を防止できることになる。In addition, when the structure 15 is a super high-rise building, bending deformation occurs as a whole. Even if a relative displacement in the up-down direction occurs between the frames 17 and 19 due to the bending deformation, each floor This displacement can be absorbed by the two pin joints 33 and 35 provided on the floor 31 of the. That is, by bending the two pin joints 3 and 35, the floor 31
Therefore, it is possible to prevent the bending deformation.
【0016】以上のように、本実施例によれば、水平方
向のどの方向の揺れに対しても制振が行える。また両架
構17,19の同一階の床を、スライド手段32とピン
ジョイント33,35とを備えて接合することで、水平
方向の変位や曲げ変形を吸収し得る状態で、連続した単
一の床面として形成でき、もって従来(図5参照)無駄
に使われていた2つの建物7,9の間の空間部分10を
各階毎に仕切って、床面積を拡大して有効に利用するこ
とができる。As described above, according to this embodiment, it is possible to suppress vibrations in any horizontal direction. Further, by connecting the floors of the two frames 17 and 19 on the same floor by using the slide means 32 and the pin joints 33 and 35, the continuous single unit can be absorbed in a state in which horizontal displacement and bending deformation can be absorbed. It can be formed as a floor surface, and thus the space portion 10 between the two buildings 7 and 9 that has been wasted conventionally (see FIG. 5) can be partitioned for each floor, and the floor area can be expanded and used effectively. it can.
【0017】なお、以上の実施例においては中央架構1
7及び外周架構19共に矩形の水平断面を有するものと
して説明したが、他の実施例においては必ずしも矩形に
する必要はない。即ち中央架構17を囲むようにして外
周架構19が位置すればよいので、両架構17,19の
水平断面の形状は特に限定されない。例えば、円、三
角、五角形以上の多角形、或いはさらに複雑な形状とす
ることができる。In the above embodiment, the central frame 1
Although both 7 and the outer frame 19 have been described as having a rectangular horizontal cross section, they need not be rectangular in other embodiments. That is, since the outer frame 19 may be positioned so as to surround the central frame 17, the shapes of the horizontal cross sections of both frames 17, 19 are not particularly limited. For example, the shape may be a circle, a triangle, a pentagon or more polygon, or a more complicated shape.
【0018】[0018]
【発明の効果】以上、実施例で詳細に説明したように、
本発明の請求項1に係る制振構造物によれば、中央架構
の周囲を取り巻いて外周架構が存在し、その中央架構と
外周架構との上側部を減衰装置で相互に連結するので、
水平面のすべての方向の揺れを制振することが可能とな
る。As described above in detail in the embodiments,
According to the vibration damping structure of the first aspect of the present invention, the outer peripheral frame exists around the central frame, and the upper portions of the central frame and the outer frame are connected to each other by the damping device.
It is possible to suppress the shaking in all directions on the horizontal plane.
【0019】また、本発明の請求項2に係る制振構造物
によれば、更に中央架構と外周架構との各階の床を、ス
ライド手段とピンジョイントとを備えて接合するので、
水平方向変位と曲げ変形とを吸収し得る状態で、連続し
た単一の床面として形成でき、中央架構及び外周架構の
間の空間を無駄にすることなく床部分として利用できる
ようになる。Further, according to the vibration damping structure of the second aspect of the present invention, the floors of the respective floors of the central frame and the outer frame are further joined by including the slide means and the pin joint.
In the state where horizontal displacement and bending deformation can be absorbed, it can be formed as a single continuous floor surface, and can be used as a floor portion without wasting the space between the central frame and the outer frame.
【図1】本発明の一実施例に係る制振構造物の概略全体
縱断面図である。FIG. 1 is a schematic overall cross-sectional view of a vibration damping structure according to an embodiment of the present invention.
【図2】図1の要部水平断面図である。FIG. 2 is a horizontal sectional view of a main part of FIG.
【図3】第1従来例を示す概略全体縦断面図である。FIG. 3 is a schematic overall vertical sectional view showing a first conventional example.
【図4】第2従来例を示す概略全体斜視図である。FIG. 4 is a schematic overall perspective view showing a second conventional example.
【図5】第3従来例を示す概略全体縦断面図である。FIG. 5 is a schematic overall vertical sectional view showing a third conventional example.
17 中央架構 19 外周架構 21 減衰装置 25,27 屋根 29 下の床 31 上の床 32 スライド部 22,25 ピンジョイント 17 Central Frame 19 Peripheral Frame 21 Damper 25, 27 Roof 29 Lower Floor 31 Upper Floor 32 Slide Part 22, 25 Pin Joint
Claims (2)
周架構とから構成し、該中央架構と該外周架構との上側
部に、これらを相互に連結してその相対振動を減衰させ
る減衰装置を設けたことを特徴とする制振構造物。1. A damping structure, comprising a central frame and an outer frame surrounding the central frame, and connecting the upper part of the central frame and the outer frame to each other to attenuate the relative vibration. A vibration control structure characterized by having a device.
周架構とから構成し、該中央架構と該外周架構との上側
部に、これらを相互に連結してその相対振動を減衰させ
る減衰装置を設けるとともに、前記外周架構の各階の床
を水平方向にスライド移動自在に該外周架構に支持さ
せ、かつ該外周架構の床を前記中央架構の同一階の床に
曲げ変形を吸収するピンジョイントを介して相互に結合
したことを特徴とする制振構造物。2. A damping structure for constructing a structure comprising a central frame and an outer frame surrounding the central frame, the upper frame of the central frame and the outer frame being connected to each other to dampen the relative vibration. A pin joint that is provided with a device, supports the floors of each floor of the outer frame so as to be slidable in the horizontal direction, and absorbs bending deformation of the floor of the outer frame to the floor of the same floor of the central frame. A vibration-damping structure characterized by being connected to each other via a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4208239A JP2956367B2 (en) | 1992-08-04 | 1992-08-04 | Damping structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4208239A JP2956367B2 (en) | 1992-08-04 | 1992-08-04 | Damping structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0658017A true JPH0658017A (en) | 1994-03-01 |
JP2956367B2 JP2956367B2 (en) | 1999-10-04 |
Family
ID=16552965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4208239A Expired - Fee Related JP2956367B2 (en) | 1992-08-04 | 1992-08-04 | Damping structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2956367B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06307118A (en) * | 1993-04-27 | 1994-11-01 | Kajima Corp | High attenuation structure |
JP2001132263A (en) * | 1999-11-05 | 2001-05-15 | Penta Ocean Constr Co Ltd | Base isolation structure |
JP2001132264A (en) * | 1999-11-05 | 2001-05-15 | Penta Ocean Constr Co Ltd | Base isolation structure |
US6233884B1 (en) * | 1997-10-20 | 2001-05-22 | Steven B. Tipping | Method and apparatus to control seismic forces, accelerations, and displacements of structures |
JP2005180089A (en) * | 2003-12-22 | 2005-07-07 | Ohbayashi Corp | Building damping structure and method |
JP2013047458A (en) * | 2012-11-20 | 2013-03-07 | Ohbayashi Corp | Vibration control structure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63315772A (en) * | 1987-06-19 | 1988-12-23 | 鹿島建設株式会社 | Earthquakeproof building |
JPH03103556A (en) * | 1989-09-19 | 1991-04-30 | Taisei Corp | Framing of structure |
-
1992
- 1992-08-04 JP JP4208239A patent/JP2956367B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63315772A (en) * | 1987-06-19 | 1988-12-23 | 鹿島建設株式会社 | Earthquakeproof building |
JPH03103556A (en) * | 1989-09-19 | 1991-04-30 | Taisei Corp | Framing of structure |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06307118A (en) * | 1993-04-27 | 1994-11-01 | Kajima Corp | High attenuation structure |
US6233884B1 (en) * | 1997-10-20 | 2001-05-22 | Steven B. Tipping | Method and apparatus to control seismic forces, accelerations, and displacements of structures |
JP2001132263A (en) * | 1999-11-05 | 2001-05-15 | Penta Ocean Constr Co Ltd | Base isolation structure |
JP2001132264A (en) * | 1999-11-05 | 2001-05-15 | Penta Ocean Constr Co Ltd | Base isolation structure |
JP2005180089A (en) * | 2003-12-22 | 2005-07-07 | Ohbayashi Corp | Building damping structure and method |
JP4572535B2 (en) * | 2003-12-22 | 2010-11-04 | 株式会社大林組 | Building seismic control structure |
JP2013047458A (en) * | 2012-11-20 | 2013-03-07 | Ohbayashi Corp | Vibration control structure |
Also Published As
Publication number | Publication date |
---|---|
JP2956367B2 (en) | 1999-10-04 |
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