JP2002098188A - Vibration isolation structure with damping function - Google Patents
Vibration isolation structure with damping functionInfo
- Publication number
- JP2002098188A JP2002098188A JP2000286118A JP2000286118A JP2002098188A JP 2002098188 A JP2002098188 A JP 2002098188A JP 2000286118 A JP2000286118 A JP 2000286118A JP 2000286118 A JP2000286118 A JP 2000286118A JP 2002098188 A JP2002098188 A JP 2002098188A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- seismic isolation
- mass body
- horizontal direction
- isolation structure
- 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
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、免震装置で免震化
された事務所ビル、集合住宅、橋梁又は戸建住宅等の構
造物に対して更に制振機能を付加した制振機能付き免震
構造物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping function having a vibration damping function added to a structure such as an office building, an apartment house, a bridge or a detached house, which is seismically isolated by a seismic isolation device. Related to seismic isolation structures.
【０００２】[0002]
【発明が解決しようとする課題】事務所ビル、集合住
宅、橋梁又は戸建住宅等の構造物において、当該構造物
と基礎との間に免震装置を介在させて免震化した免震構
造物が提案されている。斯かる免震構造物では、免震装
置により構造物の振動の固有周期を長周期化し、急激な
大きな地震による構造物の共振を回避して地震による構
造物の破壊を防止している。SUMMARY OF THE INVENTION In a structure such as an office building, an apartment house, a bridge or a detached house, a seismic isolation structure is provided by interposing a seismic isolation device between the structure and a foundation. Things have been suggested. In such a seismic isolation structure, the natural period of the vibration of the structure is lengthened by the seismic isolation device, and resonance of the structure due to a sudden large earthquake is avoided to prevent the destruction of the structure due to the earthquake.
【０００３】ところで、上記の免震構造物でも、地震動
では一応構造物が水平方向に振動するのであって、この
長周期の振幅が大きければ、またそれが長く続くと構造
物が破壊される虞がある上に、特に、事務所ビル、集合
住宅及び戸建住宅等ではその居住者にきわめて大きな不
快感、不安感を与えることになる。[0003] Even in the above seismic isolation structure, the structure temporarily vibrates in the horizontal direction due to the seismic motion. If the long-period amplitude is large, or if it lasts long, the structure may be destroyed. In addition, in particular, office buildings, apartment houses, detached houses, and the like give the occupants a great deal of discomfort and anxiety.
【０００４】このような問題に対して、構造物に搭載さ
れた質量体を構造物の振動と共に位相差をもって振動さ
せて、この質量体の振動により構造物の振動を低減する
制振機能付き免震構造物が提案されているが、斯かる免
震構造物では、構造物に質量体を搭載するために、構造
物を自身の荷重に加えて質量体の荷重に耐えるように強
固に設計する必要があり、また、斯かる強固に設計され
た構造物を免震装置を介して基礎上に支持する場合に
は、免震装置の耐荷重性能を大きくしなければならなく
なる虞がある。In order to solve such a problem, a mass body mounted on a structure is vibrated with a phase difference together with the vibration of the structure, and vibration of the structure is reduced by the vibration of the mass body. Although a seismic structure has been proposed, in such a seismic isolation structure, in order to mount a mass on the structure, the structure is designed to be strong enough to withstand the load of the mass in addition to its own load. In addition, when such a strongly designed structure is supported on a foundation via a seismic isolation device, there is a possibility that the load-bearing performance of the seismic isolation device must be increased.
【０００５】本発明は、前記諸点に鑑みてなされたもの
であって、その目的とするところは、免震装置を介して
支持された構造物の振動を効果的に減小させることがで
きる上に、その振動を早期に減衰させることができ、加
えて、質量体の質量（重量）に起因する構造物及び免震
装置の耐荷重性能の増大を必要としない制振機能付き免
震構造物を提供することにある。The present invention has been made in view of the above-mentioned points, and an object thereof is to effectively reduce vibration of a structure supported via a seismic isolation device. In addition, the vibration can be attenuated at an early stage, and in addition, the structure due to the mass (weight) of the mass body and the seismic isolation structure with vibration damping function that does not require the increase of the load-bearing performance of the seismic isolation device Is to provide.
【０００６】[0006]
【課題を解決するための手段】本発明の第一の態様の制
振機能付き免震構造物は、基礎及び構造物間に介在され
て、構造物を支持すると共に、当該構造物の水平方向の
振動を免震する免震装置と、構造物の水平方向の振動を
制振する制振手段とを具備しており、ここで、制振手段
は、質量体と、構造物の水平方向の振動に応答して質量
体を弾性的な伸縮により水平方向に振動させるように、
質量体に連結された弾性体と、質量体の水平方向の振動
に応じてその振動エネルギを吸収する振動エネルギ吸収
手段とを具備しており、質量体は、地盤に水平方向に移
動自在に支持されている。A seismic isolation structure with a vibration damping function according to a first aspect of the present invention is interposed between a foundation and a structure to support the structure and to support the structure in a horizontal direction. And a vibration damping means for damping horizontal vibration of the structure, wherein the vibration damping means comprises a mass body and a horizontal vibration of the structure. In order to vibrate the mass body in the horizontal direction by elastic expansion and contraction in response to vibration,
An elastic body connected to the mass body and vibration energy absorbing means for absorbing the vibration energy according to the horizontal vibration of the mass body are provided, and the mass body is supported on the ground so as to be movable in the horizontal direction. Have been.
【０００７】第一の態様の免震構造物によれば、構造物
の水平方向の振動を制振する制振手段を具備しているた
めに、地震により免震装置を介して構造物が水平方向に
振動されても、それと振動位相の異なる制振手段の質量
体の振動により構造物の振動が減小され、しかも、構造
物の振動エネルギが制振手段の振動エネルギ吸収手段に
より例えば熱エネルギとして消費されて吸収され、構造
物の振動が早期に減衰されることになる上に、質量体が
地盤に水平方向に移動自在に支持されているために、質
量体の荷重が構造物に実質的に付加されず、したがっ
て、質量体の質量に起因する構造物及び免震装置の耐荷
重性能の増大を必要としない。According to the seismic isolation structure of the first aspect, since the vibration damping means for damping the horizontal vibration of the structure is provided, the structure is horizontally moved via the seismic isolation device due to the earthquake. The vibration of the structure is reduced by the vibration of the mass body of the vibration suppression means having a different vibration phase from the vibration direction, and the vibration energy of the structure is reduced by the vibration energy absorbing means of the vibration suppression means. It is consumed and absorbed as a result, and the vibration of the structure is attenuated early.In addition, since the mass is supported on the ground so as to be movable in the horizontal direction, the load of the mass is substantially applied to the structure. Therefore, it is not necessary to increase the load-carrying capacity of the structure and the seismic isolation device due to the mass of the mass body.
【０００８】本発明の第二の態様の制振機能付き免震構
造物では、第一の態様の免震構造物において、質量体
は、低摩擦面又は転がり摩擦面を介して地盤に水平方向
に移動自在に支持されている。[0008] In the seismic isolation structure with a vibration damping function according to the second aspect of the present invention, in the seismic isolation structure of the first aspect, the mass body is horizontally mounted on the ground via a low friction surface or a rolling friction surface. It is supported movably.
【０００９】第二の態様の免震構造物によれば、質量体
を地盤に対してほとんど抵抗なしに水平方向に移動させ
ることができる結果、免震装置の免震機能を阻害しな
く、而して、地震に際して効果的に構造物を免震でき
る。According to the seismic isolation structure of the second aspect, the mass body can be moved in the horizontal direction with almost no resistance to the ground. Thus, the structure can be effectively isolated during an earthquake.
【００１０】なお、本発明における質量体は地盤に支持
されるのであるが、この場合、地盤に基礎と同様な支持
台を基礎と別体に設置、固定して、この支持台を介して
質量体を地盤に支持しても、これに代えて、構造物を支
持する基礎を構造物の下面全体に亘って設置し、斯かる
基礎の一部を支持台として用い、この基礎の一部からな
る支持台を介して質量体を地盤に支持してもよく、斯か
る支持台を用いる場合には、支持台と質量体との間に低
摩擦面又は転がり摩擦面を介在させて質量体を地盤に水
平方向に移動自在に支持するとよい。また、第二の態様
の免震構造物において、転がり摩擦面は、ころ、ロー
ラ、ボール（球体）等を用いて具体化するとよい。The mass body in the present invention is supported on the ground. In this case, a support base similar to the foundation is installed on the ground separately from the foundation and fixed, and the mass is passed through the support base. Even if the body is supported on the ground, a foundation for supporting the structure is installed over the entire lower surface of the structure instead, and a part of the foundation is used as a support, and a part of the foundation is used. The mass body may be supported on the ground via a support base, and when such a support base is used, the mass body is interposed between the support base and the mass body by interposing a low friction surface or a rolling friction surface. It is good to be supported in the ground so that it can move horizontally. In the seismic isolation structure of the second aspect, the rolling friction surface may be embodied by using rollers, rollers, balls (spheres), and the like.
【００１１】上記の第一及び第二の態様の夫々の免震構
造物において、質量体として構造物とは別体のものでも
よいのであるが、本発明の第三の態様の制振機能付き免
震構造物のように、構造物の床部材を質量体としてもよ
い。In each of the above-described seismic isolation structures of the first and second aspects, the mass body may be separate from the structure, but the vibration-damping function according to the third aspect of the present invention is provided. Like a seismic isolation structure, a floor member of the structure may be a mass body.
【００１２】本発明の第四の態様の制振機能付き免震構
造物は、基礎及び構造物間に介在されて、構造物を支持
すると共に、当該構造物の水平方向の振動を免震する免
震装置と、構造物の水平方向の振動を制振する制振手段
とを具備しており、ここで、制振手段は、水平方向に移
動自在な質量体と、構造物の水平方向の振動に応答して
質量体を弾性的な伸縮により水平方向に振動させるよう
に、質量体に連結された弾性体と、質量体の水平方向の
振動に応じてその振動エネルギを吸収する振動エネルギ
吸収手段とを具備しており、構造物の床部材を質量体と
している。A seismic isolation structure with a vibration-damping function according to a fourth aspect of the present invention is interposed between a foundation and a structure to support the structure and to isolate the structure from horizontal vibrations. It is provided with a seismic isolation device and vibration damping means for damping horizontal vibration of the structure, wherein the vibration damping means includes a horizontally movable mass body and a horizontal movement of the structure. An elastic body connected to the mass so that the mass vibrates in a horizontal direction by elastic expansion and contraction in response to the vibration, and a vibration energy absorber that absorbs the vibration energy according to the horizontal vibration of the mass. Means, and the floor member of the structure is a mass body.
【００１３】第四の態様の免震構造物によれば、上記の
第一の態様の免震構造物と同様な効果を得ることができ
る上に、構造物の床部材を質量体としているために、第
三の態様の免震構造物と同様に、特に別体の質量体を必
要としなく、取付工数を省くことができ、低価格化を図
り得る。According to the seismic isolation structure of the fourth aspect, the same effect as the seismic isolation structure of the first aspect can be obtained, and the floor member of the structure is a mass body. In addition, similarly to the seismic isolation structure of the third embodiment, a separate mass body is not required, the number of mounting steps can be reduced, and the cost can be reduced.
【００１４】なお、第四の態様の免震構造物において
は、質量体としての床部材を低摩擦面又は転がり摩擦面
等を介して基礎に水平方向に移動自在に支持してもよい
が、これに代えて又はこれと共に、当該床部材を構造物
の梁、根太等の支持部材に水平方向に移動自在に支持し
てもよい。In the seismic isolation structure of the fourth aspect, the floor member as the mass body may be supported on the foundation via a low friction surface or a rolling friction surface so as to be movable in the horizontal direction. Alternatively or together with this, the floor member may be supported movably in the horizontal direction by a support member such as a beam or a joist of the structure.
【００１５】免震装置としては、本発明の第五の態様の
制振機能付き免震構造物のように、剛性層と弾性層とが
鉛直方向に交互に積層された積層ゴムを具備しているも
のであっても、本発明の第六の態様の制振機能付き免震
構造物のように、上方に向かって凹な下凹面と、下方に
向かって凹な上凹面と、これら下凹面及び上凹面間に介
在されて、下凹面及び上凹面に対して転動自在な転がり
体又は下凹面及び上凹面に対して摺動自在な摺動体とを
具備しているものであってもよいが、これに限定されず
に、その他のものであってもよい。なお、下凹面と上凹
面とは、凹溝面（樋状の面）であってもよいが、これに
代えて、凹球面であってもよく、凹溝面の場合には、転
がり体はころ、ローラで構成でき、摺動体は、上面及び
下面が凹溝面の曲率半径と同一の曲率半径を有して、二
個の板付き蒲鉾を板同士を互いに合わせたような棒状部
材で構成でき、凹球面の場合には、転がり体はボール
（球体）で構成でき、摺動体は、上面及び下面が凹球面
の曲率半径と同一の曲率半径を有した扁平部材又は柱状
部材で構成できる。The seismic isolation device comprises a laminated rubber in which rigid layers and elastic layers are alternately laminated in the vertical direction, like the seismic isolation structure with a vibration damping function according to the fifth aspect of the present invention. Even if there is, like the seismic isolation structure with a vibration damping function of the sixth aspect of the present invention, a lower concave surface that is concave upward, an upper concave surface that is concave downward, and these lower concave surfaces And a rolling member interposed between the upper concave surface and the lower concave surface and the upper concave surface, or a sliding member slidable on the lower concave surface and the upper concave surface. However, the present invention is not limited to this, and may be other types. Note that the lower concave surface and the upper concave surface may be concave groove surfaces (gutter-shaped surfaces), but may instead be concave spherical surfaces. Rollers can be composed of rollers, and the sliding body has a top surface and a bottom surface that have the same radius of curvature as the radius of curvature of the concave groove surface, and is formed of a rod-like member in which two plates with a plate are joined together. In the case of a concave spherical surface, the rolling member can be composed of a ball (sphere), and the sliding member can be composed of a flat member or a columnar member whose upper and lower surfaces have the same radius of curvature as the concave spherical surface.
【００１６】本発明では、弾性体は、好ましくは、その
第七の態様の制振機能付き免震構造物のように、コイル
ばね、空気ばね及びゴム部材のうちの少なくとも一つを
具備しており、更に、本発明では、弾性体は、好ましく
は、一端部と他端部とを有しており、一端部では構造物
に、他端部では質量体に夫々連結されており、この場
合、好ましくは、弾性体の一端部と他端部との構造物及
び質量体への連結は、球面継手を用いて行われている。In the present invention, the elastic body preferably includes at least one of a coil spring, an air spring, and a rubber member, like the seismic isolation structure with a vibration damping function of the seventh aspect. Further, in the present invention, the elastic body preferably has one end and the other end, and is connected to the structure at one end and to the mass at the other end, respectively. Preferably, the connection of the one end and the other end of the elastic body to the structure and the mass body is performed using a spherical joint.
【００１７】本発明の振動エネルギ吸収手段は、その第
八の態様の制振機能付き免震構造物のように、内部に鉛
を充填したシリンダと、シリンダの内部において膨大部
を有すると共に、シリンダを貫通したロッドとを具備し
ているものであっても、また、その第九の態様の免震構
造物のように、内部に流体を充填したシリンダと、この
シリンダの内部を二室に画成すると共に、当該二室を互
いに連通するオリフィスを有したピストンと、このピス
トンが固着されていると共に、シリンダの両端部を貫通
したピストンロッドとを具備しているものであってもよ
い。斯かる振動エネルギ吸収手段を用いる場合には、好
ましくは、シリンダ及びロッド若しくはピストンロッド
のいずれか一方が構造物に、他方が質量体に夫々に球面
継手を介して連結される。The vibration energy absorbing means according to the present invention has a cylinder filled with lead, an enlarged part inside the cylinder, and a cylinder, like the seismic isolation structure with a vibration damping function of the eighth aspect. And a cylinder filled with a fluid as in the seismic isolation structure of the ninth embodiment, and the interior of the cylinder is divided into two chambers. The piston may be provided with an orifice communicating the two chambers with each other, and a piston rod fixed to the piston and penetrating both ends of the cylinder. In the case of using such vibration energy absorbing means, one of the cylinder and the rod or the piston rod is preferably connected to the structure, and the other is connected to the mass through a spherical joint.
【００１８】弾性体及び振動エネルギ吸収手段のうちの
少なくとも一方は、好ましくは、本発明の第十の態様の
免震構造物のように、質量体の周囲に配される。[0018] At least one of the elastic body and the vibration energy absorbing means is preferably arranged around the mass body like the seismic isolation structure of the tenth aspect of the present invention.
【００１９】なお、本発明の第十一の態様の制振機能付
き免震構造物のように、振動エネルギ吸収手段を、構造
物に設けられた摩擦滑り面と、この摩擦滑り面に摩擦接
触するように質量体に設けられた摩擦滑り面とを具備し
て構成してもよい。As in the seismic isolation structure with a vibration damping function according to the eleventh aspect of the present invention, the vibration energy absorbing means is provided with a frictional sliding surface provided on the structure and a frictional contact with the frictional sliding surface. And a friction sliding surface provided on the mass body.
【００２０】本発明の構造物は、好ましくは、その第十
二の態様の制振機能付き免震構造物のように、事務所ビ
ル、集合住宅又は橋梁であるが、本発明はこれらに限定
されず、その他の構造物であってもよい。The structure of the present invention is preferably an office building, an apartment house or a bridge, like the seismic isolation structure with a vibration control function of the twelfth aspect, but the present invention is not limited to these. However, other structures may be used.
【００２１】[0021]
【発明の実施の形態】次に本発明及びその実施の形態
を、図を参照して更に詳細に説明する。なお、本発明は
これら実施の形態に何等限定されないのである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention and its embodiments will be described in more detail with reference to the drawings. The present invention is not limited to these embodiments.
【００２２】図１及び図２において、本例の制振機能付
き免震構造物１は、地盤に杭等により固定されて設置さ
れたコンクリート製の基礎２と構造物としての高層の事
務所ビル３との間に介在されて、事務所ビル３の鉛直方
向Ｖの荷重を支持すると共に、当該事務所ビル３の水平
方向Ｈの振動を免震する免震装置４と、事務所ビル３の
水平方向Ｈの振動を制振すべく、事務所ビル３の水平方
向Ｈの振動周期Ｔ１と略同一の振動周期Ｔ２、好ましく
は振動周期Ｔ１の約０．９５倍の振動周期Ｔ２を有して
質量体５を事務所ビル３の水平方向Ｈの振動に応答して
水平方向Ｈに振動させるようにした制振手段６とを具備
している。Referring to FIGS. 1 and 2, a seismic isolation structure 1 having a vibration damping function according to the present embodiment includes a concrete base 2 fixed to a ground by a pile or the like and a high-rise office building as a structure. 3, a seismic isolation device 4 for supporting the load in the vertical direction V of the office building 3 and isolating the vibration of the office building 3 in the horizontal direction H. In order to suppress the vibration in the horizontal direction H, the vibration period T2 is substantially the same as the vibration period T1 in the horizontal direction H of the office building 3, preferably about 0.95 times the vibration period T1. And a vibration damping means 6 for vibrating the mass body 5 in the horizontal direction H in response to the vibration of the office building 3 in the horizontal direction H.
【００２３】免震装置４は、剛性層と弾性層とが鉛直方
向Ｖに交互に積層された積層ゴム１１を複数個具備して
おり、各積層ゴム１１は、下面では、当該積層ゴム１１
に固着された下部取り付け板１２及びアンカーボルト等
を介して基礎２に、上面では、当該積層ゴム１１に固着
された上部取り付け板１３及びボルト等を介して事務所
ビル３の下面１４に夫々固着されている。斯かる下部取
り付け板１２及び上部取り付け板１３が取り付けられた
積層ゴム１１の複数個が夫々事務所ビル３の荷重を受け
るべく、当該事務所ビル３の下面１４に適当に分散され
て配されている。The seismic isolation device 4 includes a plurality of laminated rubbers 11 in which rigid layers and elastic layers are alternately laminated in the vertical direction V.
The lower surface of the office building 3 is fixed to the foundation 2 via the lower mounting plate 12 and the anchor bolts and the like, and the upper surface is fixed to the lower surface 14 of the office building 3 via the upper mounting plate 13 and the bolts and the like fixed to the laminated rubber 11. Have been. A plurality of the laminated rubbers 11 to which the lower mounting plate 12 and the upper mounting plate 13 are attached are appropriately dispersed and arranged on the lower surface 14 of the office building 3 so as to receive the load of the office building 3. I have.
【００２４】なお、免震装置４としては、積層ゴム１１
に代えて、上方に向かって凹な下凹面、例えば半凹球面
と、下方に向かって凹な上凹面、例えば半凹球面と、こ
れら下半凹球面及び上半凹球面間に介在されて、これら
下半凹球面及び上半凹球面に対して転動自在な球体のよ
うな転がり体又は下半凹球面及び上半凹球面に対して摺
動自在であって、下半凹球面及び上半凹球面と同一の曲
率半径の上半凹球面及び下半凹球面を有した摺動体とを
具備した振り子型のものであってもよい。The seismic isolation device 4 includes a laminated rubber 11.
Instead, an upwardly concave lower concave surface, for example, a semi-concave spherical surface, and a downwardly concave upper concave surface, for example, a semi-concave spherical surface, interposed between the lower semi-concave spherical surface and the upper semi-concave spherical surface, A rolling member such as a sphere that is free to roll with respect to the lower semi-concave sphere and the upper semi-concave sphere, or slidable with respect to the lower semi-concave sphere and the upper semi-concave sphere, It may be a pendulum type having a concave spherical surface and a sliding body having an upper half concave spherical surface and a lower semi concave spherical surface having the same radius of curvature.
【００２５】事務所ビル３の下面１４に配された制振手
段６は、水平方向Ｈに振動自在な質量体５と、事務所ビ
ル３の水平方向Ｈの振動に応答して質量体５を弾性的な
伸縮により水平方向Ｈに振動させるように、質量体５に
連結された弾性体としての複数個のコイルばね１５と、
質量体５の水平方向Ｈの振動に応じてその振動エネルギ
を吸収する複数個の振動エネルギ吸収手段１６とを具備
している。The vibration damping means 6 disposed on the lower surface 14 of the office building 3 is provided with a mass body 5 which can vibrate in the horizontal direction H and a mass body 5 which responds to the vibration of the office building 3 in the horizontal direction H. A plurality of coil springs 15 as elastic bodies connected to the mass body 5 so as to vibrate in the horizontal direction H by elastic expansion and contraction;
A plurality of vibration energy absorbing means 16 for absorbing the vibration energy of the mass body 5 in accordance with the vibration in the horizontal direction H is provided.
【００２６】図１には２個のコイルばね１５を示すが、
地震による事務所ビル３の振動が図１の紙面に平行な方
向及びそれに直交する方向を含めて水平方向Ｈのあらゆ
る方向にも生じるために、このような事務所ビル３の振
動に対しても概略均等に制振手段６が応答し得るよう
に、コイルばね１５は、水平面内で質量体５を取り囲ん
で周囲に２個以上配されている。FIG. 1 shows two coil springs 15,
The vibration of the office building 3 due to the earthquake occurs in every direction of the horizontal direction H including the direction parallel to the paper of FIG. Two or more coil springs 15 are arranged around the mass body 5 in a horizontal plane so that the vibration damping means 6 can respond substantially uniformly.
【００２７】各コイルばね１５は、一端部２２及び他端
部２３を有しており、一端部２２は、球面継手２４を介
して連結部材２５に連結されており、他端部２３は、同
じく球面継手２６を介して質量体５に連結されており、
連結部材２５は、事務所ビル３の下面１４に固着されて
おり、こうして本例の各コイルばね１５は、一端部２２
では事務所ビル３の下面１４に球面継手２４及び連結部
材２５を介して、他端部２３では質量体５に球面継手２
６を介して夫々連結されており、各コイルばね１５の一
端部２２と他端部２３との事務所ビル３及び質量体５へ
の連結は、球面継手２４及び２６を用いて行われてい
る。Each coil spring 15 has one end 22 and the other end 23. The one end 22 is connected to a connecting member 25 via a spherical joint 24, and the other end 23 Connected to the mass body 5 through a spherical joint 26,
The connecting member 25 is fixed to the lower surface 14 of the office building 3.
At the lower surface 14 of the office building 3 via the spherical joint 24 and the connecting member 25, and at the other end 23 to the mass 5 at the spherical joint 2.
6, the one end 22 and the other end 23 of each coil spring 15 are connected to the office building 3 and the mass body 5 by using spherical joints 24 and 26. .
【００２８】弾性体としては、コイルばね１５に代えて
又はコイルばね１５と共に、空気ばね及びゴム部材のう
ちの少なくとも一つを用いてもよい。As the elastic body, at least one of an air spring and a rubber member may be used instead of or together with the coil spring 15.
【００２９】図１には２個の振動エネルギ吸収手段１６
を示すが、コイルばね１５と同様に、地震による事務所
ビル３の振動が図１の紙面に平行な方向及びそれに直交
する方向を含めて水平方向Ｈのあらゆる方向にも生じる
ために、このような事務所ビル３の振動に対しても概略
均等に制振手段６が応答し得るように、振動エネルギ吸
収手段１６は、水平面内で質量体５を取り囲んで周囲に
２個以上配されている。FIG. 1 shows two vibration energy absorbing means 16.
However, similar to the coil spring 15, the vibration of the office building 3 due to the earthquake occurs in all directions in the horizontal direction H including the direction parallel to the plane of FIG. 1 and the direction perpendicular thereto. Two or more vibration energy absorbing means 16 are arranged around the mass body 5 in a horizontal plane so that the vibration damping means 6 can respond to the vibration of the office building 3 approximately evenly. .
【００３０】各振動エネルギ吸収手段１６は、内部に鉛
３１を充填したシリンダ３２と、シリンダ３２の内部に
おいて膨大部３３を有すると共に、シリンダ３２の両端
部である端面部材３４及び端面部３５を貫通したロッド
３６と、シリンダ３２に固着された取り付け部材３７と
を具備しており、振動エネルギ吸収手段１６の一端部で
ある取り付け部材３７は、球面継手４１を介して連結部
材２５に連結されており、振動エネルギ吸収手段１６の
他端部である、端面部材３４から突出するロッド３６
は、球面継手４２を介して質量体５に連結されており、
こうして、振動エネルギ吸収手段１６は、シリンダ３２
及びロッド３６のいずれか一方、本例ではシリンダ３２
が取り付け部材３７、球面継手４１及び連結部材２５を
介して事務所ビル３に、他方であるロッド３６が球面継
手４２を介して質量体５に夫々連結されており、振動エ
ネルギ吸収手段１６の一端部と他端部との事務所ビル３
及び質量体５への連結は、球面継手４１及び４２を用い
て行われている。Each of the vibration energy absorbing means 16 has a cylinder 32 filled with lead 31 and an enlarged portion 33 inside the cylinder 32, and penetrates an end member 34 and an end surface 35 which are both ends of the cylinder 32. And a mounting member 37 fixed to the cylinder 32. The mounting member 37, which is one end of the vibration energy absorbing means 16, is connected to the connecting member 25 via a spherical joint 41. A rod 36 protruding from the end face member 34 which is the other end of the vibration energy absorbing means 16
Is connected to the mass body 5 through a spherical joint 42,
Thus, the vibration energy absorbing means 16 is
And in this example, the cylinder 32
Is connected to the office building 3 via the mounting member 37, the spherical joint 41 and the connecting member 25, and the other rod 36 is connected to the mass body 5 via the spherical joint 42, and one end of the vibration energy absorbing means 16 Office building 3 between the head and the other end
The connection to the mass body 5 is performed using spherical joints 41 and 42.
【００３１】振動エネルギ吸収手段１６では、質量体５
の事務所ビル３に対する相対的な水平方向Ｈの振動に基
づくロッド３６の水平方向Ｈの振動で鉛３１に塑性流動
を生じさせ、これにより水平方向Ｈの振動を減小させる
と共に、その振動エネルギを吸収するようになってい
る。In the vibration energy absorbing means 16, the mass 5
The vibration in the horizontal direction H of the rod 36 based on the vibration in the horizontal direction H relative to the office building 3 causes a plastic flow in the lead 31, thereby reducing the vibration in the horizontal direction H and the vibration energy. It is designed to absorb.
【００３２】質量体５は、基礎２とは別体であって地盤
に設置、固定された支持台５１に水平方向Ｈに移動自在
に支持されており、質量体５の下面５２と、下面５２が
水平方向Ｈに摺動自在に接触する支持台５１の上面５３
とは低摩擦面とされており、こうして、質量体５は、下
面５２及び上面５３並びに支持台５１を介して地盤に水
平方向Ｈに移動自在に支持されている。The mass body 5 is separate from the foundation 2 and is movably supported in a horizontal direction H on a support table 51 fixed and installed on the ground. Is slidably in the horizontal direction H.
Is a low friction surface. Thus, the mass body 5 is movably supported in the horizontal direction H on the ground via the lower surface 52 and the upper surface 53 and the support table 51.
【００３３】振動エネルギ吸収手段１６としては、図３
に示すような、内部に流体、好ましくはシリコン系の液
体を充填したシリンダ６１と、シリンダ６１の内部を二
室６２及び６３に画成すると共に、当該二室６２及び６
３を互いに連通するオリフィス６４を有したピストン６
５と、ピストン６５が固着されていると共に、シリンダ
６１の両端部である端面部材６６及び端面部６７を貫通
したピストンロッド６８と、シリンダ６１に固着された
取り付け部材６９とを具備したものを用いてもよく、こ
の場合にも、例えば取り付け部材６９が球面継手４１を
介して連結部材２５に、ピストンロッド６８が球面継手
４２を介して質量体５に夫々連結される。As the vibration energy absorbing means 16, FIG.
As shown in FIG. 1, a cylinder 61 filled with a fluid, preferably a silicon-based liquid, and the inside of the cylinder 61 are defined as two chambers 62 and 63, and the two chambers 62 and 63 are defined.
6 having an orifice 64 communicating the three with each other
5, a piston 65 is fixed, and an end member 66 and a piston rod 68 penetrating the end surface 67, which are both ends of the cylinder 61, and a mounting member 69 fixed to the cylinder 61 are used. Also in this case, for example, the mounting member 69 is connected to the connecting member 25 via the spherical joint 41, and the piston rod 68 is connected to the mass body 5 via the spherical joint 42, for example.
【００３４】図３に示す振動エネルギ吸収手段１６で
は、質量体５の事務所ビル３に対する相対的な水平方向
Ｈの振動に基づくピストンロッド６８の水平方向Ｈの振
動でシリンダ６１の内部の流体にオリフィス６４を介す
る二室６２及び６３に対する流出入を生じさせ、これに
より水平方向Ｈの振動を減小させると共に、その振動エ
ネルギを吸収するようになっている。In the vibration energy absorbing means 16 shown in FIG. 3, the vibration in the horizontal direction H of the piston rod 68 based on the vibration of the mass body 5 in the horizontal direction H with respect to the office building 3 causes the fluid inside the cylinder 61 to flow. Inflow and outflow into and out of the two chambers 62 and 63 through the orifice 64 are caused, so that the vibration in the horizontal direction H is reduced, and the vibration energy is absorbed.
【００３５】以上の免震構造物１では、地震により基礎
２が水平方向Ｈに振動されると積層ゴム１１が水平方向
Ｈに剪断変形されると共に、基礎２の水平方向Ｈの振動
エネルギの一部が事務所ビル３に伝達されて、事務所ビ
ル３は、当該事務所ビル３の質量ｍ１並びに積層ゴム１
１のばね定数ｋ１及び減衰係数ｃ１等に基づく固有周期
Ｔ１をもって水平方向Ｈに振動する。事務所ビル３のこ
の振動で、質量体５も当該質量体５の質量ｍ２、コイル
ばね１５のばね定数ｋ２及び振動エネルギ吸収手段１６
の減衰係数ｃ１等に基づく、固有周期Ｔ１に略等しい固
有周期Ｔ２をもって水平方向Ｈに、事務所ビル３の振動
位相と概略逆位相で振動し、質量体５のこの振動で事務
所ビル３の振動振幅が大きく減小されると共に、事務所
ビル３の振動エネルギが主に振動エネルギ吸収手段１６
において熱エネルギとして消費され吸収され、事務所ビ
ル３の振動が早期に減衰される。In the seismic isolation structure 1 described above, when the foundation 2 is vibrated in the horizontal direction H due to the earthquake, the laminated rubber 11 is sheared in the horizontal direction H and the vibration energy of the foundation 2 in the horizontal direction H is reduced. The part is transmitted to the office building 3, and the office building 3 has the mass m1 and the laminated rubber 1 of the office building 3.
It vibrates in the horizontal direction H with a natural period T1 based on a spring constant k1, a damping coefficient c1, etc. Due to the vibration of the office building 3, the mass body 5 also has the mass m2 of the mass body 5, the spring constant k2 of the coil spring 15, and the vibration energy absorbing means 16
Vibrates in the horizontal direction H with a natural period T2 substantially equal to the natural period T1 based on the damping coefficient c1 of the office building 3 and a phase substantially opposite to the vibration phase of the office building 3. The vibration amplitude is greatly reduced, and the vibration energy of the office building 3 is mainly
Is consumed and absorbed as heat energy, and the vibration of the office building 3 is attenuated at an early stage.
【００３６】そして免震構造物１では、質量体５が地盤
に水平方向Ｈに移動自在に支持されているために、質量
体５の荷重が事務所ビル３に実質的に付加されず、した
がって、質量体５の質量に起因する事務所ビル３及び免
震装置４の耐荷重性能の増大を必要としない。In the seismic isolation structure 1, since the mass 5 is supported on the ground so as to be movable in the horizontal direction H, the load of the mass 5 is not substantially applied to the office building 3, and In addition, it is not necessary to increase the load-bearing performance of the office building 3 and the seismic isolation device 4 due to the mass of the mass body 5.
【００３７】また免震構造物１では、質量体５が低摩擦
面である下面５２及び上面５３を介して地盤に水平方向
Ｈに移動自在に支持されているために、質量体５を地盤
に対してほとんど抵抗なしに水平方向Ｈに移動させるこ
とができる結果、免震装置４の免震機能を阻害しなく、
而して、地震に際して効果的に事務所ビル３を免震でき
る。In the seismic isolation structure 1, the mass body 5 is supported on the ground movably in the horizontal direction H via the lower surface 52 and the upper surface 53 which are low friction surfaces. As a result, it can be moved in the horizontal direction H with almost no resistance, so that the seismic isolation function of the seismic isolation device 4 is not hindered,
Thus, the office building 3 can be effectively isolated during an earthquake.
【００３８】上記の免震構造物１では、質量体５及び振
動エネルギ吸収手段１６を事務所ビル３と別体に設けた
が、これに代えて、図４に示すように、質量体を事務所
ビル３の一部である床部材７１で構成して、振動エネル
ギ吸収手段を、床部材７１の周囲下面の摩擦面７２と床
部材７１の周囲下面を水平方向Ｈに摺動自在に支持する
事務所ビル３の支持部材７３の上面であって摩擦面７２
に摩擦接触する摩擦面７４とで構成してもよく、この場
合、コイルばね１５の一端部２２を事務所ビル３の柱又
は壁７５に、その他端部２３を床部材７１の側端面７６
に夫々連結する。In the above seismic isolation structure 1, the mass body 5 and the vibration energy absorbing means 16 are provided separately from the office building 3, but instead of this, as shown in FIG. The vibration energy absorbing means is slidably supported in the horizontal direction H by the frictional surface 72 on the lower surface around the floor member 71 and the lower surface around the floor member 71. The upper surface of the support member 73 of the office building 3 and the friction surface 72
In this case, one end 22 of the coil spring 15 is connected to a pillar or wall 75 of the office building 3, and the other end 23 is connected to a side end surface 76 of the floor member 71.
To each other.
【００３９】図４に示す質量体として床部材７１を、弾
性体としてコイルばね１５を、そして振動エネルギ吸収
手段として摩擦面７２及び７４を夫々具備した制振手段
８１からなる免震構造物８２でも、免震構造物１と同様
に、地震により事務所ビル３が水平方向Ｈに振動される
と、事務所ビル３のこの振動で、床部材７１も当該床部
材７１の質量ｍ２、コイルばね１５のばね定数ｋ２並び
に摩擦面７２及び７４での摺動摩擦抵抗に起因する減衰
係数ｃ１等に基づく、固有周期Ｔ１に略等しい固有周期
Ｔ２をもって水平方向Ｈに事務所ビル３の振動位相と略
逆位相で振動し、床部材７１のこの振動で事務所ビル３
の振動振幅が大きく減小されると共に、事務所ビル３の
振動エネルギが主に摩擦面７２及び７４での熱エネルギ
として消費され吸収され、事務所ビル３の振動が早期に
減衰される。As shown in FIG. 4, a seismic isolation structure 82 comprising a floor member 71 as a mass body, a coil spring 15 as an elastic body, and vibration damping means 81 having friction surfaces 72 and 74 as vibration energy absorbing means, respectively. Like the seismic isolation structure 1, when the office building 3 is vibrated in the horizontal direction H due to the earthquake, the vibration of the office building 3 causes the floor member 71 to also have the mass m2 of the floor member 71, the coil spring 15 And the vibration phase of the office building 3 in the horizontal direction H with a natural period T2 substantially equal to the natural period T1 based on the spring constant k2 and the damping coefficient c1 caused by sliding frictional resistance between the friction surfaces 72 and 74. The office building 3 is vibrated by the vibration of the floor member 71.
Is greatly reduced, the vibration energy of the office building 3 is mainly consumed and absorbed as heat energy at the friction surfaces 72 and 74, and the vibration of the office building 3 is attenuated at an early stage.
【００４０】免震構造物８２によれば、事務所ビル３の
床部材７１を質量体としているために、質量体５に対す
る取付工数を省くことができ、低価格化を図り得る。According to the seismic isolation structure 82, since the floor member 71 of the office building 3 is a mass body, the number of man-hours for attaching to the mass body 5 can be reduced, and the cost can be reduced.
【００４１】なお、質量体としての水平方向Ｈに振動自
在な斯かる床部材７１からなる制振手段８１を事務所ビ
ル３の一階、中間階又は地階のみに設けるのではなく、
適当な任意の複数の階、必要であれば全階に設けてもよ
い。It is to be noted that the vibration damping means 81 comprising the floor member 71 which can vibrate in the horizontal direction H as a mass body is not provided only on the first floor, middle floor or basement floor of the office building 3.
It may be provided on any suitable plurality of floors, if necessary on all floors.
【００４２】[0042]
【発明の効果】本発明によれば、免震装置を介して支持
された構造物の振動を効果的に減小させることができる
上に、その振動を早期に減衰させることができ、加え
て、質量体の質量（重量）に起因する構造物及び免震装
置の耐荷重性能の増大を必要としない制振機能付き免震
構造物を提供することができる。According to the present invention, the vibration of the structure supported via the seismic isolation device can be effectively reduced, and the vibration can be attenuated at an early stage. Thus, it is possible to provide a seismic isolation structure with a vibration damping function that does not require an increase in the load-bearing performance of the structure and the seismic isolation device due to the mass (weight) of the mass body.
【図１】本発明の一実施態様の好ましい例の正面図であ
る。FIG. 1 is a front view of a preferred example of one embodiment of the present invention.
【図２】図１に示す例の一部拡大説明図である。FIG. 2 is a partially enlarged explanatory view of the example shown in FIG. 1;
【図３】図１に示す例に適用できる振動エネルギ吸収手
段の他の例の断面図である。FIG. 3 is a sectional view of another example of vibration energy absorbing means applicable to the example shown in FIG.
【図４】本発明の一実施態様の他の好ましい例の説明図
である。FIG. 4 is an explanatory diagram of another preferred example of one embodiment of the present invention.
１ 制振機能付き免震構造物 ２ 基礎 ３ 事務所ビル ４ 免震装置 ５ 質量体 ６ 制振手段 DESCRIPTION OF SYMBOLS 1 Seismic isolation structure with vibration control function 2 Foundation 3 Office building 4 Seismic isolation device 5 Mass body 6 Damping means
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ１６Ｆ 9/18 Ｆ１６Ｆ 9/18 9/32 15/02 Ｃ 15/02 Ｅ Ｚ 9/32 Ｌ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F16F 9/18 F16F 9/18 9/32 15/02 C 15/02 EZ 9/32 L
Claims (13)
を支持すると共に、当該構造物の水平方向の振動を免震
する免震装置と、構造物の水平方向の振動を制振する制
振手段とを具備しており、制振手段は、質量体と、構造
物の水平方向の振動に応答して質量体を弾性的な伸縮に
より水平方向に振動させるように、質量体に連結された
弾性体と、質量体の水平方向の振動に応じてその振動エ
ネルギを吸収する振動エネルギ吸収手段とを具備してお
り、質量体は、地盤に水平方向に移動自在に支持されて
いる制振機能付き免震構造物。1. A seismic isolation device interposed between a foundation and a structure to support the structure and to isolate the structure in a horizontal direction, and to dampen the structure in a horizontal direction. Damping means coupled to the mass so that the mass vibrates in a horizontal direction by elastic expansion and contraction in response to horizontal vibration of the structure. And a vibration energy absorbing means for absorbing vibration energy of the mass body in response to horizontal vibration of the mass body. The mass body is supported on the ground so as to be movable in the horizontal direction. Seismic isolation structure with vibration function.
介して地盤に水平方向に移動自在に支持されている請求
項１に記載の制振機能付き免震構造物。2. The seismic isolation structure with a vibration damping function according to claim 1, wherein the mass body is supported on the ground movably in a horizontal direction via a low friction surface or a rolling friction surface.
又は２に記載の制振機能付き免震構造物。3. The structure according to claim 1, wherein the floor member is a mass body.
Or the seismic isolation structure with a vibration damping function described in 2.
を支持すると共に、当該構造物の水平方向の振動を免震
する免震装置と、構造物の水平方向の振動を制振する制
振手段とを具備しており、制振手段は、水平方向に移動
自在な質量体と、構造物の水平方向の振動に応答して質
量体を弾性的な伸縮により水平方向に振動させるよう
に、質量体に連結された弾性体と、質量体の水平方向の
振動に応じてその振動エネルギを吸収する振動エネルギ
吸収手段とを具備しており、構造物の床部材を質量体と
した制振機能付き免震構造物。4. A seismic isolation device that is interposed between a foundation and a structure to support the structure and to isolate horizontal vibration of the structure, and to dampen horizontal vibration of the structure. Damping means, wherein the damping means is adapted to vibrate in a horizontal direction by elastically expanding and contracting the mass in response to horizontal vibration of the structure and a mass movable in the horizontal direction. And an elastic body connected to the mass body, and vibration energy absorbing means for absorbing the vibration energy according to the horizontal vibration of the mass body, wherein the floor member of the structure is a mass body. Seismic isolation structure with vibration function.
向に交互に積層された積層ゴムを具備している請求項１
から４のいずれか一項に記載の制振機能付き免震構造
物。5. The seismic isolation device comprises a laminated rubber in which rigid layers and elastic layers are alternately laminated in a vertical direction.
The seismic isolation structure with a vibration damping function according to any one of items 1 to 4.
と、下方に向かって凹な上凹面と、これら下凹面及び上
凹面間に介在されて、下凹面及び上凹面に対して転動自
在な転がり体又は下凹面及び上凹面に対して摺動自在な
摺動体とを具備している請求項１から５のいずれか一項
に記載の制振機能付き免震構造物。6. The seismic isolation device has a lower concave surface that is concave upward, an upper concave surface that is concave downward, and is interposed between the lower concave surface and the upper concave surface, and is provided with respect to the lower concave surface and the upper concave surface. The seismic isolation structure with a vibration damping function according to any one of claims 1 to 5, further comprising: a rolling member capable of rolling or a sliding member slidable with respect to the lower concave surface and the upper concave surface.
ム部材のうちの少なくとも一つを具備している請求項１
から６のいずれか一項に記載の制振機能付き免震構造
物。7. The elastic body includes at least one of a coil spring, an air spring, and a rubber member.
The seismic isolation structure with a vibration damping function according to any one of items 1 to 6.
填したシリンダと、シリンダの内部において膨大部を有
すると共に、シリンダの両端部を貫通したロッドとを具
備している請求項１から７のいずれか一項に記載の制振
機能付き免震構造物。8. The vibration energy absorbing means according to claim 1, further comprising a cylinder filled with lead, and a rod having an enlarged portion inside the cylinder and penetrating both ends of the cylinder. A seismic isolation structure with a vibration damping function according to any one of the above.
充填したシリンダと、このシリンダの内部を二室に画成
すると共に、当該二室を互いに連通するオリフィスを有
したピストンと、このピストンが固着されていると共
に、シリンダの両端部を貫通したピストンロッドとを具
備している請求項１から７のいずれか一項に記載の制振
機能付き免震構造物。9. The vibration energy absorbing means includes a cylinder filled with a fluid, a piston defining an interior of the cylinder in two chambers, and having an orifice communicating the two chambers with each other. The seismic isolation structure with a vibration damping function according to any one of claims 1 to 7, further comprising: a piston rod fixedly secured and penetrating both ends of the cylinder.
ちの少なくとも一方は、質量体の周囲に配されている請
求項１から９のいずれか一項に記載の制振機能付き免震
構造物。10. The seismic isolation structure with a vibration damping function according to claim 1, wherein at least one of the elastic body and the vibration energy absorbing means is arranged around the mass body.
けられた摩擦滑り面と、この摩擦滑り面に摩擦接触する
ように質量体に設けられた摩擦滑り面とを具備している
請求項１から１０のいずれか一項に記載の制振機能付き
免震構造物。11. The vibration energy absorbing means includes a friction sliding surface provided on the structure, and a friction sliding surface provided on the mass body so as to make frictional contact with the friction sliding surface. 11. The seismic isolation structure with a vibration damping function according to any one of items 1 to 10.
橋梁である請求項１から１１のいずれか一項に記載の制
振機能付き免震構造物。12. The seismic isolation structure with a vibration damping function according to claim 1, wherein the structure is an office building, an apartment house, or a bridge.
載の制振機能付き免震構造物に用いるための免震装置。A seismic isolation device for use in the seismic isolation structure with a vibration damping function according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000286118A JP4803620B2 (en) | 2000-09-20 | 2000-09-20 | Seismic isolation structure with damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000286118A JP4803620B2 (en) | 2000-09-20 | 2000-09-20 | Seismic isolation structure with damping function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002098188A true JP2002098188A (en) | 2002-04-05 |
| JP4803620B2 JP4803620B2 (en) | 2011-10-26 |
Family
ID=18770085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000286118A Expired - Fee Related JP4803620B2 (en) | 2000-09-20 | 2000-09-20 | Seismic isolation structure with damping function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4803620B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013177744A (en) * | 2012-02-28 | 2013-09-09 | Taisei Corp | Seismically isolated structure |
| JP2016056875A (en) * | 2014-09-10 | 2016-04-21 | オイレス工業株式会社 | Seismic base isolation structure with vibration control function |
| CN107762807A (en) * | 2017-12-10 | 2018-03-06 | 岳文智 | A kind of compressor for natural gas |
| JP2021147766A (en) * | 2020-03-16 | 2021-09-27 | 株式会社フジタ | Support structure of superstructure |
| CN114135629A (en) * | 2021-12-06 | 2022-03-04 | 西南科技大学 | Damping-adjustable semi-active control three-way vibration isolation device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0362247U (en) * | 1989-10-24 | 1991-06-18 | ||
| JPH04272371A (en) * | 1991-02-26 | 1992-09-29 | Kajima Corp | Vibration controlling structure |
| JPH04327663A (en) * | 1991-04-26 | 1992-11-17 | Oiles Ind Co Ltd | Earthquake-proof support structure of low load structure |
| JPH05340132A (en) * | 1992-06-08 | 1993-12-21 | Taisei Corp | Vibration controller for structure |
| JPH0658005A (en) * | 1991-05-30 | 1994-03-01 | Tatsuji Ishimaru | Vibration isolating structure |
| JPH0791106A (en) * | 1993-09-27 | 1995-04-04 | Ishikawajima Harima Heavy Ind Co Ltd | Vibration-damping apparatus |
| JPH07133844A (en) * | 1993-11-11 | 1995-05-23 | Tatsuji Ishimaru | Lever mechanism and structural body for vibration damping device |
| JPH07207621A (en) * | 1994-01-11 | 1995-08-08 | Kumagai Gumi Co Ltd | Bridge damper |
| JPH0868234A (en) * | 1994-08-30 | 1996-03-12 | Bridgestone Corp | Seismic isolator |
| JPH10317717A (en) * | 1997-05-23 | 1998-12-02 | Mitsubishi Steel Mfg Co Ltd | Base isolation rolling support having restoring force |
| JPH11230249A (en) * | 1998-02-09 | 1999-08-27 | Takenaka Komuten Co Ltd | Passive type mass damper for large earthquake |
| JP2000145191A (en) * | 1998-11-09 | 2000-05-26 | Misawa Homes Co Ltd | Vibration damper |
-
2000
- 2000-09-20 JP JP2000286118A patent/JP4803620B2/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0362247U (en) * | 1989-10-24 | 1991-06-18 | ||
| JPH04272371A (en) * | 1991-02-26 | 1992-09-29 | Kajima Corp | Vibration controlling structure |
| JPH04327663A (en) * | 1991-04-26 | 1992-11-17 | Oiles Ind Co Ltd | Earthquake-proof support structure of low load structure |
| JPH0658005A (en) * | 1991-05-30 | 1994-03-01 | Tatsuji Ishimaru | Vibration isolating structure |
| JPH05340132A (en) * | 1992-06-08 | 1993-12-21 | Taisei Corp | Vibration controller for structure |
| JPH0791106A (en) * | 1993-09-27 | 1995-04-04 | Ishikawajima Harima Heavy Ind Co Ltd | Vibration-damping apparatus |
| JPH07133844A (en) * | 1993-11-11 | 1995-05-23 | Tatsuji Ishimaru | Lever mechanism and structural body for vibration damping device |
| JPH07207621A (en) * | 1994-01-11 | 1995-08-08 | Kumagai Gumi Co Ltd | Bridge damper |
| JPH0868234A (en) * | 1994-08-30 | 1996-03-12 | Bridgestone Corp | Seismic isolator |
| JPH10317717A (en) * | 1997-05-23 | 1998-12-02 | Mitsubishi Steel Mfg Co Ltd | Base isolation rolling support having restoring force |
| JPH11230249A (en) * | 1998-02-09 | 1999-08-27 | Takenaka Komuten Co Ltd | Passive type mass damper for large earthquake |
| JP2000145191A (en) * | 1998-11-09 | 2000-05-26 | Misawa Homes Co Ltd | Vibration damper |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013177744A (en) * | 2012-02-28 | 2013-09-09 | Taisei Corp | Seismically isolated structure |
| JP2016056875A (en) * | 2014-09-10 | 2016-04-21 | オイレス工業株式会社 | Seismic base isolation structure with vibration control function |
| CN107762807A (en) * | 2017-12-10 | 2018-03-06 | 岳文智 | A kind of compressor for natural gas |
| JP2021147766A (en) * | 2020-03-16 | 2021-09-27 | 株式会社フジタ | Support structure of superstructure |
| JP7330122B2 (en) | 2020-03-16 | 2023-08-21 | 株式会社フジタ | Support structure for superstructure |
| CN114135629A (en) * | 2021-12-06 | 2022-03-04 | 西南科技大学 | Damping-adjustable semi-active control three-way vibration isolation device |
| CN114135629B (en) * | 2021-12-06 | 2023-04-11 | 西南科技大学 | Damping-adjustable semi-active control three-way vibration isolation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4803620B2 (en) | 2011-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5079766B2 (en) | Isolation platform | |
| CN105971148A (en) | Universal swing track supporting tuned mass damper | |
| JP3463115B2 (en) | 3D seismic isolation method and seismic isolation device | |
| JP2586794Y2 (en) | Seismic isolation support device for structures | |
| JP2002098188A (en) | Vibration isolation structure with damping function | |
| JP2001336571A (en) | Base isolation structure | |
| JPH09235908A (en) | Base isolation method for stairs, and building with stairs in base isolation structure | |
| JPH02129430A (en) | Vibration damping device for structure | |
| JP2019190539A (en) | Passive type anti-vibration device of building | |
| JP2001082542A (en) | Three-dimensional base isolation device | |
| JP3849624B2 (en) | Vibration damping device for use in damping type seismic isolation buildings | |
| JP4030447B2 (en) | Unit type building with seismic isolation device | |
| JP2016056875A (en) | Seismic base isolation structure with vibration control function | |
| JP2002364706A (en) | Base isolation device | |
| JP2501648B2 (en) | Building structure | |
| JPH033726Y2 (en) | ||
| RU2240406C2 (en) | Earthquake-resistant building | |
| JP2011099538A (en) | Vertical base isolation system | |
| JPS6332278Y2 (en) | ||
| JP2000104420A (en) | Base isolation structure | |
| JPH054529B2 (en) | ||
| JPH0431945Y2 (en) | ||
| JPH08303054A (en) | Base isolation structure for building | |
| JPS62121279A (en) | Earthquake damping structure | |
| JPH0686775B2 (en) | Vertical vibration absorber for structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070828 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090806 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090818 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091019 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091222 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100219 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100420 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100720 |
|
| A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20100907 |
|
| A912 | Removal of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20101105 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110624 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110804 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4803620 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140819 Year of fee payment: 3 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
| R370 | Written measure of declining of transfer procedure |
Free format text: JAPANESE INTERMEDIATE CODE: R370 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |