JP3204057B2 - Seismic control and seismic isolation structure of structures with large tower ratio - Google Patents
Seismic control and seismic isolation structure of structures with large tower ratioInfo
- Publication number
- JP3204057B2 JP3204057B2 JP29275495A JP29275495A JP3204057B2 JP 3204057 B2 JP3204057 B2 JP 3204057B2 JP 29275495 A JP29275495 A JP 29275495A JP 29275495 A JP29275495 A JP 29275495A JP 3204057 B2 JP3204057 B2 JP 3204057B2
- Authority
- JP
- Japan
- Prior art keywords
- seismic isolation
- seismic
- ratio
- isolation structure
- top beam
- 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)
Description
【0001】[0001]
【発明の属する技術分野】塔状比の大きい構造物の制震
・免震構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration control and seismic isolation structure for a structure having a large tower ratio.
【0002】[0002]
【従来技術及び発明の解決しようとする課題】地震によ
る水平力を多く負担できる壁式コンクリート造は、現在
建物の軸方向に曲げ変形をあまり起こさず、剪断変形が
卓越するような場合に適用されている。しかし壁の形状
が幅Lに比較して高さHが高くなると、壁の挙動は壁自
体が地面支持の片持ち梁のような挙動を採り曲げ変形が
卓越することになる。これにたいして、既に特開平7-18
918 号公報、特開平7-26786 号公報で、その対策が開示
されている。2. Description of the Related Art A wall-type concrete structure capable of bearing a large amount of horizontal force due to an earthquake is applied to a case where bending deformation does not occur so much in the axial direction of a building and shear deformation is predominant. ing. However, when the height H of the wall shape is higher than the width L, the wall behaves like a cantilever supported by the ground itself and the bending deformation becomes more prominent. On the other hand, Japanese Patent Application Laid-Open
No. 918 and Japanese Patent Application Laid-Open No. 7-26786 disclose countermeasures.
【0003】上述のような引例に対して、本発明では免
震ゴム等を装備した免震構造物において、塔状比H/L
が2.5 以上で地震時の転倒モーメントによる引張側の引
き抜き力が大きく免震構造物として成立しないような場
合の対策である。[0003] In contrast to the above-mentioned reference, the present invention provides a seismic isolation structure equipped with seismic isolation rubber or the like in a tower-like ratio H / L.
This is a countermeasure for cases where the pull-out force on the tension side due to the overturning moment during an earthquake is greater than 2.5 and the seismic isolation structure cannot be established.
【0004】そこで免震構造を成立させるため、転倒モ
ーメントを低減するのに適した制震架構により、引き抜
き力を低減し、免震構造にしてかつ制震機能を備えた構
造物の構造を提供することを課題とする。[0004] Therefore, in order to establish a seismic isolation structure, a seismic control frame suitable for reducing the overturning moment is provided to provide a structure of a structure having a seismic isolation structure with a reduced pull-out force and a seismic isolation function. The task is to
【0005】[0005]
【課題を解決するための手段】塔状比即ち主構造物の高
さHと幅Lとの比H/Lが2.5 より大きい構造物の制震
・免震構造であり、主構造物の頂部からトップビームを
突出せしめ、該トップビームの先端に向けて前記主構造
物と免震層の上で連続して支柱を立設し、該支柱の頂部
で前記トップビームと分離した間を制震装置で連結し、
前記主構造物と前記支柱の免震層に積層ゴムを配設して
なることを特徴とする塔状比の大きい構造物の制震・免
震構造であることを主旨とする。SUMMARY OF THE INVENTION A seismic control / isolation structure for a structure having a tower-like ratio, that is, a ratio H / L of the height H to the width L of the main structure larger than 2.5, wherein the top of the main structure From the top beam, and a column is continuously erected on the main structure and the seismic isolation layer toward the tip of the top beam, and the top beam is separated from the top beam at the top of the column. Connected with the device,
A seismic isolation and seismic isolation structure of a structure having a large tower-like ratio, wherein laminated rubber is disposed on the main structure and the seismic isolation layer of the column.
【0006】本発明の作用を述べる。The operation of the present invention will be described.
【0007】図3は通常の免震構造物と、本発明を適用
した制震・免震構造物の転倒モーメントを比較して応答
に低減効果があることを示した図である。FIG. 3 is a diagram showing that there is an effect of reducing the response by comparing the overturning moment of a normal seismic isolation structure with the seismic isolation / isolation structure to which the present invention is applied.
【0008】[0008]
【発明の実施の形態】以下図面に従って本発明の実施の
形態を説明する。Embodiments of the present invention will be described below with reference to the drawings.
【0009】図1は本発明の実施例を示す図である。構
造物に積層ゴム1を装備し、構造物を免震とし、該構造
物の頂部からトップビーム2を張り出して、サポート柱
3を立設し、該サポート柱3と前記トップビーム2を、
制震装置4を介して接合する。制震装置4には、例えば
オイルダンパ等が利用される。FIG. 1 is a diagram showing an embodiment of the present invention. The structure is equipped with the laminated rubber 1, the structure is made seismic-isolated, the top beam 2 projects from the top of the structure, the support column 3 is erected, and the support column 3 and the top beam 2 are connected to each other.
Joining is performed via the vibration damping device 4. For the vibration damping device 4, for example, an oil damper or the like is used.
【0010】図2は通常の、免震ゴム1を装備した構造
物の図であり塔状比即ち構造物の高さHと構造物の幅L
の比H/Lが2.5 以上になると転倒モーメントが大きく
なり引張側で引き抜き力が大きく構造物として成立し難
くなることを示している。FIG. 2 is a diagram of a structure equipped with a normal, seismic isolation rubber 1. The tower ratio, that is, the height H of the structure and the width L of the structure are shown.
When the ratio H / L is 2.5 or more, the overturning moment increases and the pulling force on the tension side is large, making it difficult to achieve a structure.
【0011】[0011]
【発明の効果】本発明の効果は次の通りである。The effects of the present invention are as follows.
【0012】通常の免震構造では、建物の塔状比が2.5
を越えると、地震時の転倒モーメントによる引き抜き力
が大きくなり、免震ゴムに引き抜きを生ずる場合があ
り、構造物として成立し難くなる。In a normal seismic isolation structure, the tower ratio of a building is 2.5
When it exceeds, the pull-out force due to the overturning moment at the time of the earthquake becomes large, and the pull-out of the seismic isolation rubber may occur, making it difficult to establish as a structure.
【0013】そこで、転倒モーメントを低減するに適し
た制震架構を構築して、塔状比の大きな構造物に於いて
も、免震構造物として成立させることが可能となる。[0013] Therefore, it is possible to construct a seismic control frame suitable for reducing the overturning moment and to establish a seismic isolation structure even for a structure having a large tower ratio.
【図1】本発明の実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.
【図2】通常の、免震ゴム1を装備した構造物の図であ
る。FIG. 2 is a view of a structure equipped with a normal seismic isolation rubber 1. FIG.
【図3】通常の免震構造物と、本発明を適用した制震・
免震構造物の転倒モーメントを比較して応答に低減効果
があることを示した図である。FIG. 3 shows an ordinary seismic isolation structure and a seismic control system to which the present invention is applied.
It is the figure which showed that there was a reduction effect in response by comparing the overturning moment of a base-isolated structure.
1……積層ゴム、2……トップビーム、3……サポート
柱、4……制震装置1 ... laminated rubber, 2 ... top beam, 3 ... support column, 4 ... vibration control device
Claims (1)
比H/Lが2.5 より大きい構造物の制震・免震構造であ
り、主構造物の頂部からトップビームを突出せしめ、該
トップビームの先端に向けて前記主構造物と免震層の上
で連続して支柱を立設し、該支柱の頂部で前記トップビ
ームと分離した間を制震装置で連結し、前記主構造物と
前記支柱の免震層に積層ゴムを配設してなることを特徴
とする塔状比の大きい構造物の制震・免震構造。1. A seismic isolation / isolation structure for a structure having a tower-like ratio, that is, a ratio H / L of a height H to a width L of the main structure is larger than 2.5, wherein a top beam is formed from the top of the main structure. Protruding, standing upright on the main structure and the seismic isolation layer continuously toward the tip of the top beam, and connecting the top beam separated from the top beam at the top with a vibration damping device. A seismic isolation / seismic isolation structure for a structure having a large tower ratio, wherein laminated rubber is disposed on the main structure and the seismic isolation layer of the support.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29275495A JP3204057B2 (en) | 1995-11-10 | 1995-11-10 | Seismic control and seismic isolation structure of structures with large tower ratio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29275495A JP3204057B2 (en) | 1995-11-10 | 1995-11-10 | Seismic control and seismic isolation structure of structures with large tower ratio |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09137629A JPH09137629A (en) | 1997-05-27 |
JP3204057B2 true JP3204057B2 (en) | 2001-09-04 |
Family
ID=17785910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29275495A Expired - Fee Related JP3204057B2 (en) | 1995-11-10 | 1995-11-10 | Seismic control and seismic isolation structure of structures with large tower ratio |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3204057B2 (en) |
-
1995
- 1995-11-10 JP JP29275495A patent/JP3204057B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH09137629A (en) | 1997-05-27 |
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Legal Events
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A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010529 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |