JPH0718270B2 - Dynamic vibration control method and device using weight of roof of building - Google Patents
Dynamic vibration control method and device using weight of roof of buildingInfo
- Publication number
- JPH0718270B2 JPH0718270B2 JP61132622A JP13262286A JPH0718270B2 JP H0718270 B2 JPH0718270 B2 JP H0718270B2 JP 61132622 A JP61132622 A JP 61132622A JP 13262286 A JP13262286 A JP 13262286A JP H0718270 B2 JPH0718270 B2 JP H0718270B2
- Authority
- JP
- Japan
- Prior art keywords
- roof
- building
- weight
- vibration
- pendulum
- 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.)
- Expired - Fee Related
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、建物を地震や強風による振動の被害から防ぐ
ための建物の屋根または最上階の柱・壁及び屋根の重量
を利用した動的制振方法および装置に関するものであ
る。Description: FIELD OF THE INVENTION The present invention relates to a dynamic vibration control utilizing the weight of a building roof or the top floor pillars / walls and roof to prevent the building from being damaged by vibrations caused by earthquakes and strong winds. A method and apparatus.
従来の技術 従来、建物の制振技術として、例えば第５図に示すよう
に、建物の上部に重りＭとバネＳから成る振り子の系を
構成して、この振り子の振動周期を建物の固有振動周期
の近辺に定めておき、地震時に上記振り子を大きく揺ら
せて、その揺れ運動により地震エネルギーを吸収せし
め、その結果、建物の揺れを抑えるものがあった。2. Description of the Related Art Conventionally, as a vibration control technology for a building, for example, as shown in FIG. 5, a pendulum system composed of a weight M and a spring S is configured on the upper part of the building, and the vibration cycle of this pendulum is set to the natural vibration of the building. It has been set near the cycle, and the pendulum is shaken greatly during an earthquake to absorb the seismic energy by the shaking motion, and as a result, the shaking of the building is suppressed.
発明が解決しようとする問題点 しかしながら、上記従来の制振技術は、振り子の重りを
建物に接地しているため、下記のような問題点があっ
た。Problems to be Solved by the Invention However, the above-described conventional vibration damping technique has the following problems because the weight of the pendulum is grounded to the building.
１）建物自体の機能に直接関係のない余計な重量を特別
に設けなければならない。特に、建物が大きくなると制
振効果を上げるために振り子の重りを大きくしなければ
ならず、不経済である。1) Extra weight that is not directly related to the function of the building itself must be provided. In particular, when the building becomes large, the weight of the pendulum must be increased in order to improve the damping effect, which is uneconomical.
２）振り子の重りの分の荷重が余分に増加するので、建
物の柱・大梁、床の部材をそれだけ大きくしなければな
らず、不経済であり、また、実際には振り子の大きさに
限界が生じる。2) Since the weight of the pendulum is increased by an extra amount, it is uneconomical to increase the size of the columns and girders of the building and the members of the floor, and the size of the pendulum is actually limited. Occurs.
３）振り子の重りを設置する広い空間が必要になり、従
って、建物として使用できる空間がそれだけ狭くなって
不経済である。3) A large space for installing the weight of the pendulum is required, and therefore the space that can be used as a building is so narrow that it is uneconomical.
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、その目的とするところは、建物の機能に関係の
ない余計な重量を増加させることなく、経済的に且つ効
果的に建物を制振することができる建物の屋根等の重量
を利用した動的制振方法および装置を提供することにあ
る。The present invention has been made to solve the above conventional problems, and an object of the present invention is to economically and effectively build a building without increasing unnecessary weight unrelated to the function of the building. (EN) Provided is a dynamic vibration damping method and device utilizing the weight of a roof of a building, etc.
問題点を解決するための手段 本発明の建物の屋根等の重量を利用した動的制振方法
は、建物の屋根または最上階の柱・壁及び屋根を地震や
強風時の振動の振り子の重りとする振動周期を建物の下
層階部分（建物の他の本体部分）の固有振動周期の近辺
に定めて、地震または強風時に上記屋根または最上階の
柱・壁及び屋根を揺らせ、その結果、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。Means for Solving Problems A dynamic vibration damping method utilizing the weight of a roof of a building according to the present invention is applied to a roof of a building, a pillar / wall on the top floor, and a roof, and a pendulum weight that vibrates during an earthquake or strong wind. The vibration period to be set is defined near the natural vibration period of the lower floor part of the building (other main body part of the building), and the roof or pillars / walls on the top floor and the roof are shaken during an earthquake or strong wind, and as a result, the building It is characterized in that it is designed to suppress the shaking of the other main body part.
また、本発明の建物の屋根等の重量を利用した動的制振
装置は、建物の屋根または最上階の柱・壁及び屋根を建
物の他の本体部分から構造強度的に切り離すと共にこれ
らの間に免振体を介挿し、上記屋根または最上階の柱・
壁及び屋根を地震や強風時の振動の振り子の重りとする
振動周期を上記建物の下層階部分（建物の他の本体部
分）の固有振動周期の近辺に定めて構成したことを特徴
とする。上記建物の屋根または最上階の柱・壁及び屋根
と、他の建物本体部分との間にダンパー機構を介在せし
めてもよい。Further, the dynamic vibration damping device utilizing the weight of the roof of the building of the present invention separates the roof of the building or the pillars / walls of the top floor and the roof from other main body parts of the building structurally and at the same time. A vibration-isolated body is inserted between the above roof or the pillar on the top floor.
It is characterized in that the walls and the roof are constituted by defining a vibration cycle in which a pendulum weight of vibration during an earthquake or a strong wind is used in the vicinity of the natural vibration cycle of the lower floor portion of the building (other main body portion of the building). A damper mechanism may be interposed between the roof of the above-mentioned building or the pillars / walls and roof of the top floor and the other main body of the building.
実施例 以下、本発明の実施例を図面を参照しながら説明する。Embodiments 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、鉄筋鉄骨コ
ンクリート造又は鉄骨造などの中高層以上の建物であっ
て、その最上階部分1aの屋根1a′が該最上階部分1aの柱
・壁1a″から切り離されている。これら屋根1a′と柱・
壁1a″との間に積層ゴム・ばね等から成る免振体２が介
挿されており、該屋根1a′を重り（質量）とすると共に
上記免振体２をバネ剛性とする振り子の系を構成してい
る。In FIG. 1, reference numeral 1 designates a building of a middle or higher layer such as a reinforced concrete structure, a reinforced steel reinforced concrete structure or a steel frame structure, and the roof 1a ′ of the uppermost floor portion 1a is separated from the pillar / wall 1a ″ of the uppermost floor portion 1a. These roofs 1a 'and pillars
A vibration isolator 2 made of laminated rubber, a spring or the like is inserted between the wall 1a ″ and the roof 1a ′ as a weight (mass) and the vibration isolator 2 has spring rigidity. Are configured.
尚、最上階部分1aの屋根1a′の切り離しは、構造強度的
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′が振り子の重り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。The roof 1a 'on the uppermost floor 1a should be separated as long as it is structurally strong, and at least if the roof 1a' swings independently as a pendulum weight during an earthquake, it will be completely separated. It is not necessary to make it possible, and it may be weak in strength or integrally formed in a sliding manner.
最上階部分1aの屋根1a′を振り子の重りとする本実施例
の場合の振り子の振動周期は、下層階部分1bの固有振動
周期を調査して、この固有振動周期の近辺に定める。The vibration cycle of the pendulum in the case of using the roof 1a ′ of the uppermost floor portion 1a as the weight of the pendulum is determined in the vicinity of this natural vibration cycle by examining the natural vibration cycle of the lower floor portion 1b.
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、該屋根1a′と上記最上階部分1aの柱・壁1
a″との間にオイルダンパー等のダンパー機構４を設置
する。このダンパー機構４は、いずれの方向にも働くよ
うに配置する。３は地盤である。Also, in order to prevent the roof 1a ′ of the uppermost floor portion 1a from shaking excessively, the roof 1a ′ and the pillars / walls 1 of the uppermost floor portion 1a are
A damper mechanism 4 such as an oil damper is installed between the a ″ and the a ″. This damper mechanism 4 is arranged so as to work in any direction. 3 is the ground.
本実施例は、以上のように構成されているので、第２図
に示すように、地震時または強風時に下層階部分1bが揺
れると、この固有振動周期に対して同調するようにその
振動周期が定められている上記屋根1a′は大きく揺れ
る。この屋根1a′の大きな揺れ運動により地震等のエネ
ルギーは吸収され、その結果、上記下層部分1bはそれほ
ど揺れずに制振される。Since the present embodiment is configured as described above, as shown in FIG. 2, when the lower floor portion 1b sways during an earthquake or a strong wind, its vibration cycle is adjusted so as to be synchronized with this natural vibration cycle. The above-mentioned roof 1a ', which is defined as, shakes greatly. Energy such as an earthquake is absorbed by the large shaking motion of the roof 1a ', and as a result, the lower layer portion 1b is not so much shaken and is damped.
本発明者の実験によると、最上階部分1aの屋根1a′の揺
れは20％程度増大するが、それより下の構造物は20〜40
％程度減少する。According to the experiments by the present inventor, the sway of the roof 1a ′ of the uppermost floor portion 1a is increased by about 20%, but the structure below that is 20-40%.
% Decrease.
第３図は、本発明の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・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２を介挿し、振り子の系を構成する。最
上階部分1aの柱・壁1a″及び屋根1a′を振り子の重りと
する本実施例の場合の振り子の振動周期も、上記下層階
部分1bの固有振動周期を調査して、この固有振動周期の
近辺に定める。４はダンパー機構である。FIG. 3 shows another embodiment of the present invention, in which the pillar / wall 1a ″ of the uppermost floor portion 1a including the roof 1a ′ is integrally configured and separated from the floor of the uppermost floor portion 1a. And the vibration isolator 2 is inserted between them to form a pendulum system. In the case of the present embodiment in which the pillar / wall 1a ″ of the uppermost floor portion 1a and the roof 1a ′ are pendulum weights The vibration cycle of the pendulum is also determined in the vicinity of this natural vibration cycle by examining the natural vibration cycle of the lower floor portion 1b. 4 is a damper mechanism.
従って、地震時等に下層階部分1bが揺れると、最上階部
分1aの柱・壁1a″及び屋根1a′が大きく揺れ、その結
果、下層階部分1bが制振される。Therefore, when the lower floor portion 1b is shaken during an earthquake or the like, the pillar / wall 1a ″ and the roof 1a ′ of the uppermost floor portion 1a are greatly shaken, and as a result, the lower floor portion 1b is damped.
第４図は、最上階部分1aの床にエレベーター装置５を設
置した場合の実施例を示すもので、この場合には、屋根
1a′の一部を変形して、その中にエレベーター装置５を
収容するようになっている。従って、本実施例では、屋
根1a′の振れによりエレベーター装置５を含む下層階部
分1bが制振されることになる。FIG. 4 shows an embodiment in which the elevator device 5 is installed on the floor of the uppermost floor portion 1a. In this case, the roof is used.
A part of 1a 'is modified so that the elevator device 5 is housed therein. Therefore, in this embodiment, the lower floor portion 1b including the elevator device 5 is damped by the swing of the roof 1a '.
発明の効果 本発明は、振り子の重りとして建物の最上階の屋根等を
利用するので、下記のような利点がある。EFFECTS OF THE INVENTION Since the present invention uses the roof or the like of the top floor of the building as the weight of the pendulum, it has the following advantages.
１）建物自体の機能に関係のない余計な重量が増加する
ことがなく、経済的である。1) It is economical because the extra weight unrelated to the function of the building itself does not increase.
２）建物の柱、大梁、床の部材を特別に大きくする必要
がなく、経済的である。2) It is economical because there is no need to make the columns, girders and floor members of the building particularly large.
３）建物として使用できる最上階の空間が狭くならず、
経済的である。3) The space on the top floor that can be used as a building does not become small,
It is economical.
４）屋根上に設置した設備なども動的制振装置の振り子
の重りとして利用できる。4) Equipment installed on the roof can also be used as the weight of the pendulum of the dynamic vibration control device.
５）最上階の屋根や柱・壁等が大きく揺れても、下層階
部分の一部である最上階の床は制振されるので、最上階
内にいる人には揺れを感じさせない。5) Even if the roof, pillars, walls, etc. on the top floor shake significantly, the floor on the top floor, which is a part of the lower floors, is damped, so the people on the top floor will not feel the shaking.
６）特に10階以上の建物での制振効果が顕著である。6) Especially, the damping effect is remarkable in the buildings on the 10th floor and above.
第１図は本発明の一実施例を示す説明図、第２図は地震
時における制振作用を示す説明図、第３図および第４図
は各々別の実施例を示す説明図、第５図は従来の制振構
造を示す説明図である。 １…建物、1a…最上階部分、1a′…屋根、1a″…柱・
壁、1b…下層階部分、２…免振体、３…地盤、４…ダン
パー機構、５…エレベーター装置、Ｍ…重り、Ｓ…バ
ネ。FIG. 1 is an explanatory view showing an embodiment of the present invention, FIG. 2 is an explanatory view showing a vibration damping action at the time of an earthquake, and FIGS. 3 and 4 are explanatory views showing different embodiments, respectively. The figure is an explanatory view showing a conventional damping structure. 1 ... Building, 1a ... Top floor part, 1a '... Roof, 1a "... Pillar
Wall, 1b ... Lower floor part, 2 ... Isolator, 3 ... Ground, 4 ... Damper mechanism, 5 ... Elevator device, M ... Weight, S ... Spring.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 井出 知良 東京都杉並区上井草２−１−13 (72)発明者 中村 国雄 東京都新宿区高田馬場４−29−23 (56)参考文献 特開 昭61−242237（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomoyoshi Ide 2-1-13 Kamiigusa, Suginami-ku, Tokyo (72) Inventor Kunio Nakamura 4-29-23 Takadanobaba, Shinjuku-ku, Tokyo (56) References 61-242237 (JP, A)
Claims (3)
を地震や強風時の振動の振り子の重りとする振動周期を
建物の下層階部分の固有振動周期の近辺に定めて、地震
または強風時に上記屋根または最上階の柱・壁及び屋根
を揺らせ、その結果、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屋根等の重量を利
用した動的制振方法。1. A vibration cycle using the roof of a building or the pillars / walls and roof of the top floor as the weight of a pendulum for vibration during an earthquake or strong wind is set near the natural vibration cycle of the lower floors of the building, and an earthquake or Dynamic vibration control using the weight of the roof of the building, characterized in that the roof or the pillars / walls on the top floor and the roof are swayed during strong winds, and as a result, sway of other main parts of the building is suppressed. Method.
を建物の他の本体部分から構造強度的に切り離すと共に
これらの間に免振体を介挿し、上記屋根または最上階の
柱・壁及び屋根を地震や強風時の振動の振り子の重りと
する振動周期を上記建物の下層階部分の固有振動周期の
近辺に定めて構成したことを特徴とする建物の屋根等の
重量を利用した動的制振装置。2. A roof or a top floor pillar / wall and a roof / top floor pillar / wall are separated from other main body parts of the building in terms of structural strength, and a vibration isolator is interposed between them. The weight of the roof of the building, etc. was used, characterized in that the wall and roof were constructed by defining the vibration period as the weight of the pendulum for vibration during an earthquake or strong wind near the natural vibration period of the lower floors of the building. Dynamic vibration control device.
屋根と、他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２項に記載
の建物の屋根等の重量を利用した動的制振装置。3. A damper mechanism is interposed between the roof of the building or the pillars / walls and roof of the uppermost floor and the other main body portion of the building, as set forth in claim 2. A dynamic vibration control device that uses the weight of the roof of a building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61132622A JPH0718270B2 (en) | 1986-06-10 | 1986-06-10 | Dynamic vibration control method and device using weight of roof of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61132622A JPH0718270B2 (en) | 1986-06-10 | 1986-06-10 | Dynamic vibration control method and device using weight of roof of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62291373A JPS62291373A (en) | 1987-12-18 |
| JPH0718270B2 true JPH0718270B2 (en) | 1995-03-01 |
Family
ID=15085629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61132622A Expired - Fee Related JPH0718270B2 (en) | 1986-06-10 | 1986-06-10 | Dynamic vibration control method and device using weight of roof of building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718270B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63297673A (en) * | 1987-05-28 | 1988-12-05 | 鹿島建設株式会社 | Dynamic vibration reducing roof |
| JP2787204B2 (en) * | 1988-01-13 | 1998-08-13 | 株式会社竹中工務店 | Connecting passage of building with vibration control function |
| JP2796484B2 (en) * | 1993-07-06 | 1998-09-10 | 鹿島建設株式会社 | Damping structure with a part of the main structure being a dynamic vibration absorber |
| JP2007297854A (en) * | 2006-05-01 | 2007-11-15 | Toshiba Corp | Building structure |
| JP2016056585A (en) * | 2014-09-10 | 2016-04-21 | 三井住友建設株式会社 | Plural-layer building |
| JP7053436B2 (en) * | 2018-11-22 | 2022-04-12 | 株式会社竹中工務店 | Work floor and how to use the work floor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61242237A (en) * | 1985-04-19 | 1986-10-28 | 川田工業株式会社 | Housing type structure |
-
1986
- 1986-06-10 JP JP61132622A patent/JPH0718270B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62291373A (en) | 1987-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH04360976A (en) | Vibration controller | |
| JPH0718270B2 (en) | Dynamic vibration control method and device using weight of roof of building | |
| JPH01322061A (en) | Earthquake isolating device | |
| JP3261949B2 (en) | Vibration control structure using walls of existing building | |
| JPH09235908A (en) | Base isolation method for stairs, and building with stairs in base isolation structure | |
| JPH0784817B2 (en) | Dynamic damping method and device for building | |
| JPH0660538B2 (en) | Dynamic vibration control method and apparatus using weight of building body | |
| JPH07252967A (en) | Vibration prevention structure | |
| JPH11293948A (en) | Vibration damping device for steel frame construction | |
| JPH09112063A (en) | Base isolation method of structure and base isolation structure | |
| JP3215903B2 (en) | Suspended seismic isolation structure | |
| JPH0335807Y2 (en) | ||
| JP3028034B2 (en) | Damping structure | |
| JPS63201277A (en) | Earthquakeproof multistoried building | |
| JPH09302987A (en) | Damped structure | |
| JPH0754357A (en) | Eaerthquake resistant structure for construction | |
| JPH0480450A (en) | Oscillation controlling mechanism for composite beam | |
| JP3032870B2 (en) | Structure damping device | |
| JPH06330656A (en) | Vibration control structure for large span frame | |
| JPH116326A (en) | Dynamically rigid structure | |
| JPH10238157A (en) | Vibration damping and earthquake-resistant reinforcing method for building | |
| JPH09100648A (en) | Building structure | |
| JPH06229145A (en) | Vibration attenuation device for building frame | |
| JPH09151621A (en) | Damping structure for braced rigid frame body | |
| JP2001182193A (en) | Method for controlling vibration of house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |