JPS6319378A - Method and apparatus for dynamic damping of vibration of building - Google Patents
Method and apparatus for dynamic damping of vibration of buildingInfo
- Publication number
- JPS6319378A JPS6319378A JP15981186A JP15981186A JPS6319378A JP S6319378 A JPS6319378 A JP S6319378A JP 15981186 A JP15981186 A JP 15981186A JP 15981186 A JP15981186 A JP 15981186A JP S6319378 A JPS6319378 A JP S6319378A
- Authority
- JP
- Japan
- Prior art keywords
- building
- main body
- vibration damping
- dynamic vibration
- roof
- 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
- 238000013016 damping Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 8
- 238000002955 isolation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 ５−の）。[Detailed description of the invention] 5-).
本発明は、特に中高層の建物を地震や強風等による振動
被害から防ぐための動的制振方法および装置に関するも
のである。The present invention particularly relates to a dynamic vibration damping method and device for preventing vibration damage caused by earthquakes, strong winds, etc. to medium- and high-rise buildings.
ｋ久へ皮肛
現在、建物の防振技術として、例えば第６図に示すよう
に、建物１を基礎２から切り離して浮かした状態で、そ
の間に積層ゴム・ばね等の免振体３を介挿すると共に、
側方には基礎２との間にオイルグンバー４を設けて、建
物と免振体等から成る系の固有振動数を極力小さくして
地震エネルギーが建物に入力する大きさを抑える免振方
法が開発されている。At present, as shown in Figure 6, there is currently a vibration isolation technology for buildings in which a building 1 is separated from a foundation 2 and floated, with a vibration isolator 3 such as a laminated rubber or spring interposed between them. Along with inserting
A vibration isolation method that suppresses the amount of seismic energy input into the building by installing an oil gun bar 4 on the side between it and the foundation 2 to minimize the natural frequency of the system consisting of the building and the vibration isolator, etc. is being developed.
明が しようとする。 ヴ
しかしながら、上記従来の免振方法は、短周期の地震等
に対しては割振効果が認められるものの、長周期の地震
に対しては逆に共振現象が生ずる可能性がある。そのた
め、第３ａの軟弱！′ｔ！１盤では免振ができないとい
う問題、りがあった。Ming tries to do it. However, although the above-mentioned conventional vibration isolation method has a vibration allocation effect for short-period earthquakes, it may cause resonance phenomena for long-period earthquakes. Therefore, the 3rd a is weak! 't! There was a problem that vibration isolation was not possible with the first board.
本発明は、上記従来の問題点を解決するためになされた
ものであり、その目的とするところは、長周期および短
周期のいずれの地震等に対しても効果的に制振すること
のて゛きる方法およびｖｃ置を提供することにある。The present invention has been made to solve the above-mentioned conventional problems, and its purpose is to effectively damp vibrations of both long-period and short-period earthquakes. An object of the present invention is to provide a method and a VC arrangement.
腓足、σを ンするための 収
本発明の建物の動的制振方法は、建物を基礎から切り離
して、その間に積層ゴム・ばね等の免振体を介挿すると
共に、側方には基礎との間にオイルダンパーを設たちの
において、建物の任意高さに位置する建物本体部分の重
量を振り子の重りとして長周期の地震等の振！１．ＩＪ
＃に独立して揺れるようにして建物の他の本体部分の
揺れを抑えるようにしたことを特徴とするものであり、
また、その動的制振装置は、建物を基礎から切り離して
、その間に積層ゴム・ばね等の免振体を介挿すると共に
、側方には基礎との間にオイルダンパーを設けたものに
おいて、建物の任意高さに位置する建物本体部分を池の
建物本体部分に討して独立して構成し、その間に免振体
および必要に応じてグンパー機構を介在せしめたことを
特徴とするものである。The dynamic vibration damping method for buildings of the present invention is to separate the building from the foundation, insert vibration isolators such as laminated rubber and springs in between, and to When an oil damper is installed between the building and the foundation, the weight of the main body of the building located at an arbitrary height can be used as a pendulum weight to prevent long-period earthquakes. 1. I.J.
# It is characterized by being able to sway independently to suppress the shaking of other main body parts of the building,
In addition, the dynamic vibration damping device separates the building from the foundation, inserts a vibration isolator such as laminated rubber and springs in between, and installs an oil damper on the side between it and the foundation. , characterized in that a building body part located at an arbitrary height of the building is constructed independently from the building body part of the pond, and a vibration isolator and, if necessary, a Gumper mechanism are interposed between them. It is.
実１１辻 以下、本発明の実施例を図面を参照しながら説明する。Fruit 11 Tsuji Embodiments of the present invention will be described below with reference to the drawings.
第１図において、１は鉄筋コンクリート造、鉄骨鉄筋コ
ンクリート造又は鉄骨造などの中高層建物であって、建
物１を基礎２から切り離して浮かした状態で、その間に
８２層ゴム・ばね等の免振体３を介挿すると共に、側方
には基礎２どの間にオイルダンパー４を設ける。In Fig. 1, 1 is a medium-to-high-rise building such as a reinforced concrete building, a steel-framed reinforced concrete building, or a steel-frame building. is inserted, and an oil damper 4 is provided between the foundations 2 on the sides.
また、上記建物１の最上階部分１ａは下層階部分１ｂと
切り離されており、その間に積層ゴム・ばね等から成る
免振体５が介挿されており、振り子の系を構成している
。Further, the top floor portion 1a of the building 1 is separated from the lower floor portion 1b, and a vibration isolator 5 made of laminated rubber, springs, etc. is inserted between them to form a pendulum system.
尚、最上階部分１ａと下層階部分１ｂとの切り離しは、
橘造強度的に切り離されていれば十分であって、少なく
とも地震時に下層階部分１ｂに討して最上階部分１ａが
振り子として独立して揺れる構造であれば完全に分離さ
せる必要はなく、強度的に弱いもの或いはスライド式に
一体的に構成してもよい。従って、少なくとも外壁部な
どは外観上連続した構成とするのが好ましい。In addition, the separation between the top floor portion 1a and the lower floor portion 1b is as follows:
It is sufficient if the Tachibana structure is separated in terms of strength, but if the structure is such that the top floor part 1a swings independently as a pendulum when the lower floor part 1b is struck during an earthquake, it is not necessary to completely separate it. It may be of a relatively weak type or may be constructed integrally in a sliding type. Therefore, it is preferable that at least the outer wall portion is continuous in appearance.
また、最上階部分１ａと下層階部分１ｂとを連絡する階
段・エレベータ−・エスカレータ−・上下方向に配置さ
れたダクト・配管などは最上階部分１ａと下層階部分１
ｂとの相互移動を許すように工夫する必要がある。In addition, stairs, elevators, escalators, ducts and piping arranged in the vertical direction that connect the top floor part 1a and the lower floor part 1b are connected to the top floor part 1a and the lower floor part 1.
It is necessary to devise a way to allow mutual movement with b.
尚、上記下層階部分１ｂは複数階を意味するのは勿論で
あるが、上記最上階部分１ａも最上の１階に限定するも
のではなく、まとまった複数階であってもよい。It should be noted that, of course, the lower floor portion 1b means a plurality of floors, but the uppermost floor portion 1a is not limited to the first floor, but may be a plurality of floors.
最上階部分１ａを振り子とする本実施例の場合の振り子
の固有振動数は、下層階部分１ｂと地盤からなる系の固
有振動数を調査して定める。The natural frequency of the pendulum in this embodiment in which the top floor portion 1a is the pendulum is determined by investigating the natural frequency of the system consisting of the lower floor portion 1b and the ground.
また、上記最上階部分１ａの揺れが過大とならないよう
に、下層階部分１ｂとの間にオイルグンハー等のグンパ
ー磯構６を設置する。このダンバ−＋ａｈη６は、いず
れの方向にも［Ｊｉ ＜ように配置する。Further, in order to prevent the uppermost floor portion 1a from shaking excessively, a gunpah rock structure 6 such as an oil gunphar is installed between the top floor portion 1a and the lower floor portion 1b. This damper +ahη6 is arranged so that [Ji <] in any direction.
本実施例は、以上のように構成されているので、短周期
の地震または強風等に対しては、１２Ａ図に示すように
、地震等のエネルギーが建１１７１に入力するのを抑え
られ、建物１全体がゆっくり揺れる。Since this embodiment is configured as described above, in the event of a short-period earthquake or strong wind, as shown in Figure 12A, input of energy such as an earthquake to the building 1171 can be suppressed, and the building 1 The whole body sways slowly.
また、長周期の地震等に対しては、第２Ｂ図に示すよう
に、上記最上階部分１ａの重量が地震または強風時の振
動の振り子の重りとして大きく揺れ、他方、上記下層階
部分１ｂは逆にそれほど揺れず、制振される。Furthermore, in the event of a long-period earthquake, as shown in Figure 2B, the weight of the top floor section 1a swings greatly as a pendulum weight due to vibrations during an earthquake or strong wind, while the lower floor section 1b On the other hand, it doesn't shake as much and the vibrations are suppressed.
本発明者の実験によると、最上階部分１ａの揺れは２０
％程度増大するが、下層階部分１ｂは２０〜４０％程度
減少する。According to the inventor's experiments, the shaking of the top floor part 1a is 20
%, but the lower floor portion 1b decreases by about 20 to 40%.
従って、最上階部分１ａは、例えば機械室など揺れが大
きくても差し支えない階層として利用することにより、
この建物全体が実質的に被害を受けないようにすること
が可能となる。Therefore, by using the top floor part 1a as a floor that can tolerate strong shaking, such as a machine room, for example,
It becomes possible to prevent the entire building from sustaining substantial damage.
第３図は、本発明の別の実施例を示すものであって、建
物１の中層諸部分ＩＣを、柱および／または壁等の構造
体により相互に一体構成されてνする上層階部分１ｄと
下層階部分１ｅから独立して構成し、それらの間に免振
体７およびグンパー殿構（図示せず）を介在させ、長周
期の地震時に該中層諸部分ＩＣの揺れを、ｆａ極的に大
きくして、上下階部分１ｄ、１ｅの揺れを抑えるように
する。FIG. 3 shows another embodiment of the present invention, in which the middle-rise parts IC of the building 1 are integrated with each other by structures such as columns and/or walls. and the lower floor part 1e, with a vibration isolator 7 and a Gumper structure (not shown) interposed between them, to suppress the shaking of the middle part IC during a long-period earthquake. to suppress shaking of the upper and lower floor sections 1d and 1e.
上記中層諸部分ＩＣの位置は、建物１が全体として最も
制振効果の高い位置に設けることが菫ましい。It is preferable that the middle layer parts IC are located at positions where the vibration damping effect of the building 1 as a whole is the highest.
尚、本実施例においても、上記中間階ｇｌＳ分ＩＣは１
階に限らずまとまった複数階としてもよい。In this embodiment as well, the intermediate floor glS IC is 1
It is not limited to one floor, but may be a group of multiple floors.
第４図は、更に別の実施例を示すもので、建物１の最上
階部分１ａの屋根１ａ’が切り＠されており、その間に
積層ゴム・ばね等から成る免振体８が介挿されており、
振り子の系を構成して（・る。FIG. 4 shows yet another embodiment, in which the roof 1a' of the top floor 1a of the building 1 is cut out, and a vibration isolator 8 made of laminated rubber, springs, etc. is inserted in between. and
Construct a system of pendulums (・ru.
尚、最上階部分１ａの屋根１ａ’の切り離しは、ｖｔ造
強度的に切り離されていれば十分であって、少なくとも
地震時に屋根１ａ’が振り子として独立して揺れる溝道
であれば完全に分離させる必要はなく、強度的に弱いも
の或いはスライド式に一体的に構成してもよい。Note that it is sufficient to separate the roof 1a' of the top floor portion 1a from the viewpoint of structural strength, and it is sufficient to separate the roof 1a' completely if it is a ditch where the roof 1a' swings independently as a pendulum during an earthquake. It is not necessary to use a structure having a weak strength or a slide type integrated structure.
また、上記最上階部分１ａの屋根１ａ′の揺れが過大と
ならないように、最上階部分１ａの柱および壁１ａ′′
との間にオイルダンパー等のグンパー磯ｖｔ９を設置す
る。In addition, in order to prevent the roof 1a' of the top floor portion 1a from shaking excessively, the pillars and walls 1a'' of the top floor portion 1a are
Gumper Iso VT9 such as an oil damper is installed between.
第５図は、本発明の更に別の実施例を示すものであって
、上記屋根１ａ′ を含めて最上階部分１ａの柱および
壁１ａ″ も一体構成して最上階部分１ａの床から分離
独立して構成し、それらの間に免振体１０およびグンバ
ー機補１１を介在させ、最上階部分１ａ屋根１ａ′およ
び柱・壁１ａ″の揺れを積極的に大きくして、最上階部
分１ａの床より下の揺れを抑えるようにしている。FIG. 5 shows yet another embodiment of the present invention, in which the pillars and walls 1a'' of the top floor portion 1a, including the roof 1a', are integrally constructed and separated from the floor of the top floor portion 1a. The vibration isolator 10 and Gunbar mechanical support 11 are interposed between them to actively increase the shaking of the top floor portion 1a roof 1a' and columns/walls 1a''. We are trying to suppress the shaking below the floor.
免」二級及
（１）地震等の振動が短周期の場合には、基礎部分の免
振体により１１！物全体が大きく揺れて、ｌＩ！物の破
壊が防止され、また長周期の場合には、振り子として利
用される最上階部分、中層諸部分または屋根等が大きく
揺れ、他の階部分の揺れを防止するので、ｌＩ！物の安
全性が高まるだけでなく、ｌＩｉ物自体の部材や構造を
簡素にして、経済的に構成することができる。In the case of short-period vibrations such as those caused by Class 2 and (1) earthquakes, the vibration isolators in the foundation can provide 11! The whole thing shook violently, lI! This prevents the destruction of objects, and in the case of long periods, the top floor, middle-story sections, or the roof, which are used as pendulums, shake greatly and prevent other floors from shaking, so lI! Not only is the safety of the object improved, but the components and structure of the IIi object itself can be simplified and economically constructed.
（２）従来の免振では困難な１０階以上の高層建物にも
利用できる。(2) It can be used in high-rise buildings with 10 floors or more, which is difficult to use with conventional vibration isolation.
（３）ねじれの生じ易い建物にも防振できる。(3) Vibration isolation is possible even in buildings that are prone to twisting.
４、図面のｒＦ８爪な説明 −
ｆｉＳ１図は本発明の一実施例を示す説明図、第２Ａ図
および第２Ｂ図は地震時における制振作用を示す説明図
、第３図〜第５図は本発明の別の実施例を示す説明図、
第６図は従来の免振補遺を示す説明図である。4. rF8 detailed explanation of the drawings - fiS1 is an explanatory diagram showing one embodiment of the present invention, Figs. 2A and 2B are explanatory diagrams showing vibration damping action during an earthquake, and Figs. 3 to 5 are explanatory diagrams showing an embodiment of the present invention. An explanatory diagram showing another embodiment of the present invention,
FIG. 6 is an explanatory diagram showing a conventional vibration isolation supplement.
１・・・建物、１ａ・・・最上階部分、ｌａ’・・・屋
根、１ａ″・・・壁、１ｂ・・・下層階部分、１ｃ・・
・中層諸部分、１ｄ・・・上層階部分、１ｅ・・・下層
階部分、２・・・基礎、３，５．７，８．１０・・・免
振体、４，６，９．１１・・・グンパー機構。1... Building, 1a... Top floor part, la'... Roof, 1a''... Wall, 1b... Lower floor part, 1c...
・Middle floor parts, 1d... Upper floor part, 1e... Lower floor part, 2... Foundation, 3, 5.7, 8.10... Vibration isolation body, 4, 6, 9.11 ... Gumper Organization.
Claims (9)
ばね等の免振体を介挿すると共に、側方には基礎との間
にオイルダンパーを設けたものにおいて、建物の任意高
さに位置する建物本体部分の重量を振り子の重りとして
長周期の地震等の振動時に独立して揺れるようにして建
物の他の本体部分の揺れを抑えるようにしたことを特徴
とする建物の動的制振方法。(1) Separate the building from the foundation and install laminated rubber between them.
In addition to inserting a vibration isolator such as a spring, an oil damper is installed on the side between it and the foundation, and the weight of the main body of the building located at an arbitrary height is used as a pendulum weight to generate a long period. A dynamic vibration damping method for a building characterized by suppressing the shaking of other main body parts of the building by shaking independently during vibrations such as an earthquake.
とする特許請求の範囲第１項に記載の建物の動的制振方
法。(2) The dynamic vibration damping method for a building according to claim 1, wherein the building main body portion is a top floor portion.
特徴とする特許請求の範囲第１項に記載の建物の動的制
振方法。(3) The dynamic vibration damping method for a building according to claim 1, wherein the building main body portion is a middle floor portion of the building.
及び屋根であることを特徴とする特許請求の範囲第１項
に記載の建物の動的制振方法。(4) The dynamic vibration damping method for a building according to claim 1, wherein the building main body portion is a roof or a pillar/wall of the top floor and a roof.
ばね等の免振体を介挿すると共に、側方には基礎との間
にオイルダンパーを設けたものにおいて、建物の任意高
さに位置する建物本体部分を他の建物本体部分に対して
独立して構成し、その間に免振体を介在せしめたことを
特徴とする建物の動的制振装置。(5) Separate the building from the foundation and install laminated rubber between them.
In addition to inserting a vibration isolator such as a spring, an oil damper is installed on the side between the building body and the foundation, making the building body part located at a given height of the building independent from other building body parts. What is claimed is: 1. A dynamic vibration damping device for a building, comprising: a vibration isolating body interposed therebetween;
とする特許請求の範囲第５項に記載の建物の動的制振装
置。(6) The dynamic vibration damping device for a building according to claim 5, wherein the building main body portion is a top floor portion.
とする特許請求の範囲第５項に記載の建物の動的制振装
置。(7) The dynamic vibration damping device for a building according to claim 5, wherein the building main body portion is a middle floor portion.
び屋根であることを特徴とする特許請求の範囲第５項に
記載の建物の動的制振装置。(8) The dynamic vibration damping device for a building according to claim 5, wherein the building main body portion is a roof or a pillar/wall of the top floor and a roof.
の建物本体部分との間にダンパー機構を介在せしめたこ
とを特徴とする特許請求の範囲第５項ないし第８項のい
ずれか１項に記載の建物の動的制振装置。(9) Any one of claims 5 to 8, characterized in that a damper mechanism is interposed between a building main body part located at an arbitrary height of the building and another building main body part. Dynamic vibration damping device for a building according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61159811A JPH0784817B2 (en) | 1986-07-09 | 1986-07-09 | Dynamic damping method and device for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61159811A JPH0784817B2 (en) | 1986-07-09 | 1986-07-09 | Dynamic damping method and device for building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6319378A true JPS6319378A (en) | 1988-01-27 |
| JPH0784817B2 JPH0784817B2 (en) | 1995-09-13 |
Family
ID=15701769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61159811A Expired - Lifetime JPH0784817B2 (en) | 1986-07-09 | 1986-07-09 | Dynamic damping method and device for building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0784817B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0270870A (en) * | 1988-09-07 | 1990-03-09 | Kudan Kenchiku Kenkyusho:Kk | Damping device for multistoried building |
| JPH0754357A (en) * | 1993-08-20 | 1995-02-28 | Kajima Corp | Eaerthquake resistant structure for construction |
| JPH0754356A (en) * | 1993-08-13 | 1995-02-28 | Kajima Corp | Earthquake resistant structure for construction |
| JP5259868B1 (en) * | 2012-10-26 | 2013-08-07 | 孝典 佐藤 | Seismic isolation system for structures |
| JP2017071908A (en) * | 2015-10-05 | 2017-04-13 | 清水建設株式会社 | Multistoried base-isolated structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5997341A (en) * | 1982-11-22 | 1984-06-05 | Mitsubishi Electric Corp | Device for restraining vibration of structural body |
-
1986
- 1986-07-09 JP JP61159811A patent/JPH0784817B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5997341A (en) * | 1982-11-22 | 1984-06-05 | Mitsubishi Electric Corp | Device for restraining vibration of structural body |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0270870A (en) * | 1988-09-07 | 1990-03-09 | Kudan Kenchiku Kenkyusho:Kk | Damping device for multistoried building |
| JPH0754356A (en) * | 1993-08-13 | 1995-02-28 | Kajima Corp | Earthquake resistant structure for construction |
| JPH0754357A (en) * | 1993-08-20 | 1995-02-28 | Kajima Corp | Eaerthquake resistant structure for construction |
| JP5259868B1 (en) * | 2012-10-26 | 2013-08-07 | 孝典 佐藤 | Seismic isolation system for structures |
| JP2017071908A (en) * | 2015-10-05 | 2017-04-13 | 清水建設株式会社 | Multistoried base-isolated structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0784817B2 (en) | 1995-09-13 |
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