JPH0415351B2 - - Google Patents
Info
- Publication number
- JPH0415351B2 JPH0415351B2 JP62032965A JP3296587A JPH0415351B2 JP H0415351 B2 JPH0415351 B2 JP H0415351B2 JP 62032965 A JP62032965 A JP 62032965A JP 3296587 A JP3296587 A JP 3296587A JP H0415351 B2 JPH0415351 B2 JP H0415351B2
- Authority
- JP
- Japan
- Prior art keywords
- bending
- elastic support
- foundation
- building
- building body
- 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 - Lifetime
Links
- 238000005452 bending Methods 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Description
【発明の詳細な説明】
(a) 産業上の利用分野
本発明は、基礎上に建造物本体を弾性的に支持
している弾性支持体が、地震時において一定限度
以上に変形するのを防止することが出来る、建造
物の支持構造に関する。[Detailed description of the invention] (a) Industrial application field The present invention prevents an elastic support that elastically supports a building body on a foundation from deforming beyond a certain limit during an earthquake. It relates to support structures for buildings that can be used to support buildings.
(b) 従来の技術
最近、基礎上に建造物本体を、ゴム等の弾性材
料で形成した弾性支持体を介して弾性的に支持し
て、建造物本体に免震性を付与しようとする提案
がされつつある。(b) Prior art Recently, there has been a proposal to provide seismic isolation to the building body by elastically supporting the building body on the foundation via an elastic support made of an elastic material such as rubber. is being lost.
(c) 発明が解決しようとする問題点
しかし、地震時に、弾性支持体が振動して、一
定限度以上に変形すると、該弾性支持体が破壊し
て、建造物本体が崩壊してしまう危険性があつ
た。(c) Problems to be solved by the invention However, if the elastic support vibrates and deforms beyond a certain limit during an earthquake, there is a risk that the elastic support will break and the building itself will collapse. It was hot.
本発明は、上記事情に鑑み、地震時に弾性支持
体が、一定限度以上に変形して破壊するのを防止
することが出来る、建造物の支持構造を提供する
ことを目的とする。 SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a support structure for a building that can prevent an elastic support from being deformed beyond a certain limit and destroyed during an earthquake.
(d) 問題点を解決するための手段
即ち、本発明は、基礎２及び該基礎により支持
された建造物本体３を有する建造物において、前
記基礎と建造物本体の間に、複数個の弾性支持手
段６を設け、該弾性支持手段によつて前記建造物
本体を支持し、更に、前記基礎と建造物本体の間
に、少なくとも中間部に１個の屈曲部１０ｂ，１
０ｃ，１０ｅを有する屈曲体１０を設け、前記屈
曲体に遊び機構１１を、前記弾性支持手段の水平
方向の変形が許容変形限度δaに達した時点で前
記屈曲体の屈曲部の変形が開始されるように接続
して構成される。(d) Means for solving the problem That is, the present invention provides a structure having a foundation 2 and a building body 3 supported by the foundation, in which a plurality of elastic A support means 6 is provided, and the building body is supported by the elastic support means, and one bending portion 10b, 1 is provided at least in the middle between the foundation and the building body.
0c and 10e, and a play mechanism 11 is provided in the bending body, and the bending part of the bending body starts deforming when the horizontal deformation of the elastic support means reaches an allowable deformation limit δa. connected and configured.
なお、括弧内の番号等は、図面における対応す
る要素を示す、便宜的なものであり、従つて、本
記述は図面上の記載に限定拘束されるものではな
い。以下の「(e) 作用」の欄についても同様であ
る。 Note that the numbers in parentheses are for convenience and indicate corresponding elements in the drawings, and therefore, this description is not limited to the descriptions on the drawings. The same applies to the column "(e) Effect" below.
(e) 作用
上記した構成により、本発明は、地震時に、弾
性支持体６が許容変形限度δa以上に変形した場
合に、屈曲体１０が、その屈曲部１０ｂ，１０
ｃ，１０ｅが伸ばされる形で変形し、弾性支持体
６の過度の変形を防止するように作用する。(e) Effect With the above-described configuration, the present invention allows the bending body 10 to deform its bending portions 10b, 10 when the elastic support 6 deforms beyond the allowable deformation limit δa during an earthquake.
c, 10e are deformed in a stretched manner, and act to prevent excessive deformation of the elastic support 6.
(f) 実施例
以下、本発明の実施例を図面に基づき説明す
る。(f) Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings.
第１図は本発明の一実施例が適用された建造物
の一例を示す図、
第２図はフエイルセーフ機構を示す図、
第３図及び第４図は、第２図に示すフエイルセ
ーフ機構の地震時における変形態様を示す図、
第５図は建造物本体に作用する水平方向荷重
と、該建造物本体の水平変位量との関係を示す
図、
第６図はフエイルセーフ機構の別の例を示す図
である。 Fig. 1 is a diagram showing an example of a building to which an embodiment of the present invention is applied, Fig. 2 is a diagram showing a fail-safe mechanism, and Figs. 3 and 4 are earthquake-proofing of the fail-safe mechanism shown in Fig. 2. Figure 5 is a diagram showing the relationship between the horizontal load acting on the building body and the amount of horizontal displacement of the building body. Figure 6 is another example of the fail-safe mechanism. It is a diagram.
建造物１は、第１図に示すように、基礎２及び
該基礎２により支持される建造物本体３を有して
おり、建造物本体３は、該建造物本体３と基礎２
との間に設けられた複数個の弾性支持体６によ
り、基礎２より図中上方に所定距離Ｈだけ離れる
形で弾性的に支持されている。弾性支持体６は、
耐圧性を有するゴム等の弾性材料により形成され
た板状の部材等を、複数枚積層する形で構成され
ており、また基礎２及び建造物本体３間にはダン
パ７が、地震時における建造物本体３の水平方
向、即ち矢印Ａ、Ｂ方向の振動を減衰し得る形で
設けられている。 As shown in FIG. 1, the building 1 has a foundation 2 and a building body 3 supported by the foundation 2.
It is elastically supported by a plurality of elastic supports 6 provided between the foundation 2 and a predetermined distance H above the foundation 2 in the figure. The elastic support 6 is
It is constructed by laminating a plurality of plate-like members made of elastic materials such as pressure-resistant rubber, and a damper 7 is installed between the foundation 2 and the building body 3 to prevent the construction from occurring during an earthquake. It is provided in a form that can damp vibrations of the object body 3 in the horizontal direction, that is, in the directions of arrows A and B.
更に、基礎２と建造物本体３の適宜な位置に
は、フエイルセーフ機構９が、所定個数（第１図
においては、１個）設けられており、フエイルセ
ーフ機構９は、第２図に示すように、Ｓ字形に形
成された屈曲棒１０、連結部材１１及び接続部材
１２ａ，１２ｂを有している。屈曲棒１０は、そ
の図中下方の端部１０ａを基礎２上に設けられた
接続部材１２ａに接続する形で設けられており、
屈曲棒１０の中間部には、屈曲部１０ｂ，１０ｃ
が、所定の曲率をもつて形成されている。 Furthermore, a predetermined number (one in FIG. 1) of fail-safe mechanisms 9 are provided at appropriate positions on the foundation 2 and the building body 3, and the fail-safe mechanisms 9 are arranged as shown in FIG. , a bending rod 10 formed in an S-shape, a connecting member 11, and connecting members 12a and 12b. The bending rod 10 is provided so that its lower end 10a in the figure is connected to a connecting member 12a provided on the foundation 2,
The bending rod 10 has bending parts 10b and 10c in the middle part.
is formed with a predetermined curvature.
また、建造物本体３の図中下端部３ａには、接
続部材１２ｂが、接続部材１２ａと図中上下方向
に対向する形で設けられており、接続部材１２ｂ
には、連結部材１１が吊り下げられている。連結
部材１１は、複数個（本実施例においては、３
個）のリング１１ａを鎖状に接続することにより
形成されており、図中最下方のリング１１ａに
は、屈曲棒１０の図中上方の端部１０ｄが接続し
ている。なお、屈曲棒１０は、連結部材１１を介
して、接続部材１２ｂに、或る程度遊びをもつた
状態で接続されているので、屈曲棒１０は、接続
部材１２ａ，１２ｂ間で、接続部材１２ａを中心
として任意の方向に所定角度回動することが出来
る。 Further, a connecting member 12b is provided at the lower end 3a of the building body 3 in the figure in a manner that faces the connecting member 12a in the vertical direction in the figure, and the connecting member 12b
A connecting member 11 is suspended from. There are a plurality of connecting members 11 (in this embodiment, three
It is formed by connecting two rings 11a in a chain, and the lowermost ring 11a in the figure is connected to the upper end 10d of the bending rod 10 in the figure. Note that the bending rod 10 is connected to the connecting member 12b through the connecting member 11 with some play, so that the bending rod 10 is connected to the connecting member 12a between the connecting members 12a and 12b. It can be rotated by a predetermined angle in any direction around .
建造物１は、以上のような構成を有するので、
地震が発生しない通常時には、各弾性支持体６
は、第１図に示すように、矢印Ａ、Ｂ方向に歪む
ことなく、図中実線で示す状態を保持する。な
お、この際屈曲棒１０は、接続部材１２ａを中心
として基礎２上の任意の方向に所定角度回動する
ことが出来る状態にある。 Since the building 1 has the above configuration,
In normal times when earthquakes do not occur, each elastic support 6
As shown in FIG. 1, the state shown by the solid line in the figure is maintained without being distorted in the directions of arrows A and B. At this time, the bending rod 10 is in a state where it can rotate by a predetermined angle in any direction on the foundation 2 about the connecting member 12a.
次に、地震が発生して、基礎２が矢印Ａ、Ｂ方
向に振動すると、弾性支持体６は、その図中上面
６ａと下面６ｂとが相対的に矢印Ａ、Ｂ方向にズ
レる形で変形して、該振動を緩和して建造物本体
３に伝達する。なお、弾性支持体６のＡ、Ｂ方向
の変形量が、許容変形限度δaに達するまでは、
連結部材１１は弛んだ状態にあり、屈曲棒１０は
引つ張られることはなく（第３図参照）、従つて、
弾性支持体６は屈曲棒１０とは無関係に矢印Ａ、
Ｂ方向に変形して振動を吸収することが出来る。
ここで、弾性支持体６の変形量とは、その上面６
ａの下面６ｂに対するＡ、Ｂ方向の相対的移動量
を意味し、更に、許容変形限度δaとは、弾性支
持体６に許容応力が生じる際の変形量を意味す
る。以下、同様である。 Next, when an earthquake occurs and the foundation 2 vibrates in the directions of arrows A and B, the elastic support 6 deforms in such a way that the upper surface 6a and lower surface 6b in the figure are relatively shifted in the directions of arrows A and B. Then, the vibration is relaxed and transmitted to the building body 3. Note that until the amount of deformation of the elastic support 6 in the A and B directions reaches the allowable deformation limit δa,
The connecting member 11 is in a relaxed state and the bending rod 10 is not tensioned (see FIG. 3), so that
The elastic support 6 is independent of the bending rod 10 as indicated by the arrow A,
It can deform in direction B and absorb vibrations.
Here, the amount of deformation of the elastic support 6 means that the upper surface 6
The allowable deformation limit δa refers to the amount of relative movement in the A and B directions with respect to the lower surface 6b of the elastic support 6, and the allowable deformation limit δa refers to the amount of deformation when allowable stress is generated in the elastic support 6. The same applies hereafter.
更に、基礎２が矢印Ａ、Ｂ方向に振動して、弾
性支持体６が、許容変形限度δa以上に変形する
ようになると、連結部材１１の遊びが無くなり、
屈曲棒１０は、連結部材１１を介して引つ張られ
て、その屈曲部１０ｂ，１０ｃは伸ばされる（第
４図参照）。これにより、弾性支持体６が、許容
変形限度δa以上に変形しようとするのを屈曲棒
１０が曲げ抵抗でもつて抵抗する。なお、この場
合の建造物本体３に作用する水平方向荷重Ｑと、
該建造物本体３の水平変位量δとの関係は、第５
図においては点Ａ、Ｂ間の曲線で示される。な
お、屈曲棒１０は、その屈曲部１０ｂ，１０ｃが
伸ばされて、全体が直線状になつてゆくに連れ
て、曲げ抵抗の他に引つ張り抵抗をもつて抵抗す
る。例えば、基礎２が矢印Ａ、Ｂ方向に振動し
て、接続部材１２ｂが、第４図に示すように、接
続部材１２ａに対して矢印Ａ、Ｂ方向に、変形限
度δbだけ変位すると、屈曲棒１０は略直線状と
なり殆ど引つ張り抵抗をもつて抵抗するために変
形しにくくなり、弾性支持体６が変形限度δb以
上に変形するのを阻止し、弾性支持体６の破壊を
防止する。 Furthermore, when the foundation 2 vibrates in the directions of arrows A and B and the elastic support 6 becomes deformed beyond the allowable deformation limit δa, the play in the connecting member 11 disappears,
The bent rod 10 is pulled through the connecting member 11, and its bent portions 10b and 10c are extended (see FIG. 4). As a result, the bending rod 10 resists the deformation of the elastic support 6 beyond the allowable deformation limit δa with its bending resistance. In addition, the horizontal load Q acting on the building body 3 in this case,
The relationship with the horizontal displacement amount δ of the building body 3 is as follows:
In the figure, it is shown by a curve between points A and B. In addition, as the bent portions 10b and 10c of the bent rod 10 are extended and the entire rod becomes straight, it resists with tensile resistance in addition to bending resistance. For example, when the foundation 2 vibrates in the directions of arrows A and B and the connecting member 12b is displaced by the deformation limit δb in the directions of arrows A and B with respect to the connecting member 12a, as shown in FIG. 10 is substantially linear and resists with almost tensile resistance, making it difficult to deform, preventing the elastic support 6 from being deformed beyond the deformation limit δb, and preventing the elastic support 6 from being destroyed.
なお、上述した実施例においては、屈曲棒１０
の中間部に、２個の屈曲部１０ｂ，１０ｃを形成
した場合について述べたが、屈曲部は何個形成し
てもよく、例えば、屈曲棒９全体を、第６図に示
すように、円弧状に屈曲して屈曲部１０ｅを形成
（従つて、この場合屈曲部は１個である）して構
成することも出来る。 In addition, in the embodiment described above, the bending rod 10
Although the case has been described in which two bent parts 10b and 10c are formed in the middle part of the rod, any number of bent parts may be formed. It is also possible to form a bent portion 10e by bending in an arc shape (therefore, in this case, there is only one bent portion).
なお、これ等屈曲部の曲率、屈曲棒１０の端部
１０ａ，１０ｄ間の長さ及び断面積、或いは屈曲
棒１０の装着個数によつて、その剛性、耐力及び
弾性変形を調節することが出来る。その結果、こ
れ等を調節することによつて、弾性支持体６の材
料特性に応じて、該支持体６の許容変形限度δa
から変形限度δb（第５図参照）に達するまでの変
形量を変化させることが出来る。 In addition, the rigidity, proof stress, and elastic deformation can be adjusted by the curvature of these bending parts, the length and cross-sectional area between the ends 10a and 10d of the bending rod 10, or the number of bending rods 10 attached. . As a result, by adjusting these, the allowable deformation limit δa of the elastic support 6 can be adjusted according to the material properties of the elastic support 6.
It is possible to change the amount of deformation from 1 to 5 until the deformation limit δb (see FIG. 5) is reached.
(g) 発明の効果
以上、説明したように本発明は、基礎２及び該
基礎により支持された建造物本体３を有する建造
物において、前記基礎と建造物本体の間に、弾性
支持体６などの複数個の弾性支持手段を設け、該
弾性支持手段によつて前記建造物本体を支持し、
更に、前記基礎と建造物本体の間に、少なくとも
中間部に１個の屈曲部１０ｂ，１０ｃ，１０ｅな
どの屈曲部を有する屈曲棒１０等の屈曲体を設
け、前記屈曲体に連結部材１１などの遊び機構
を、前記弾性支持手段の水平方向の変形が許容変
形限度δaに達した時点で前記屈曲体の屈曲部の
変形が開始されるように接続して構成したので、
地震時に、弾性支持手段が許容変形限度δa上に
変形した場合、屈曲体が、その屈曲部が伸ばされ
る形で変形して、弾性支持手段が一定限度（即
ち、変形限度δb）以上に変形するのを阻止する。
その結果、地震時に、弾性支持手段が破壊されて
建造物本体３が崩壊するのを防止することが出来
る。また、遊び機構により、弾性支持手段が許容
変形限度以下の変形に留まつている場合には、屈
曲体は何ら変形しないので、弾性支持手段による
振動の吸収動作は円滑に行なわれ、当該屈曲体が
弾性支持手段の振動吸収動作を阻害することはな
く、良好な免震性能を発揮させることが可能とな
る。(g) Effect of the Invention As explained above, the present invention provides a structure having a foundation 2 and a building body 3 supported by the foundation, in which an elastic support 6 or the like is provided between the foundation and the building body. a plurality of elastic support means are provided, and the building body is supported by the elastic support means;
Furthermore, a bending body such as a bending rod 10 having one bending part such as one bending part 10b, 10c, or 10e is provided between the foundation and the building body at least in the intermediate part, and a connecting member 11 or the like is provided on the bending body. The play mechanism is connected so that the deformation of the bending part of the bending body starts when the horizontal deformation of the elastic support means reaches the allowable deformation limit δa,
When the elastic support means deforms beyond the allowable deformation limit δa during an earthquake, the bending body deforms in such a way that its bent portion is stretched, and the elastic support means deforms beyond a certain limit (i.e. deformation limit δb). to prevent
As a result, it is possible to prevent the elastic support means from being destroyed and the building body 3 from collapsing during an earthquake. Furthermore, when the elastic support means remains deformed below the allowable deformation limit due to the play mechanism, the bending body does not deform at all, so the vibration absorption operation by the elastic support means is performed smoothly, and the bending body does not impede the vibration absorption operation of the elastic support means, and it is possible to exhibit good seismic isolation performance.
第１図は本発明の一実施例が適用された建造物
の一例を示す図、第２図はフエイルセーフ機構を
示す図、第３図及び第４図は、第２図に示すフエ
イルセーフ機構の地震時における変形態様を示す
図、第５図は建造物本体に作用する水平方向荷重
と、該建造物本体の水平変位量との関係を示す
図、第６図はフエイルセーフ機構の別の例を示す
図である。
１……建造物、２……基礎、３……建造物本
体、６……弾性支持手段（弾性支持体）、１０…
…屈曲体（屈曲棒）、１０ｂ，１０ｃ，１０ｅ…
…屈曲部。
FIG. 1 is a diagram showing an example of a building to which an embodiment of the present invention is applied, FIG. 2 is a diagram showing a fail-safe mechanism, and FIGS. 3 and 4 are earthquake-proofing of the fail-safe mechanism shown in FIG. 2. Figure 5 is a diagram showing the relationship between the horizontal load acting on the building body and the amount of horizontal displacement of the building body, and Figure 6 is another example of the fail-safe mechanism. It is a diagram. DESCRIPTION OF SYMBOLS 1...Building, 2...Foundation, 3...Building body, 6...Elastic support means (elastic support), 10...
...Bending body (bending rod), 10b, 10c, 10e...
...bending part.
Claims (1)
を有する建造物において、 前記基礎と建造物本体の間に、複数個の弾性支
持手段を設け、 該弾性支持手段によつて前記建造物本体を支持
し、 更に、前記基礎と建造物本体の間に、少なくと
も中間部に１個の屈曲部を有する屈曲体を設け、 前記屈曲体に遊び機構を、前記弾性支持手段の
水平方向の変形が許容変形限度に達した時点で前
記屈曲体の屈曲部の変形が開始されるように接続
して構成した建造物の支持構造。[Claims] 1. In a building having a foundation and a building body supported by the foundation, a plurality of elastic support means are provided between the foundation and the building body, and the elastic support means a bending body that supports the building body and further includes a bending body having at least one bending part in an intermediate portion between the foundation and the building body; a play mechanism is provided in the bending body; A support structure for a building, wherein the bending body is connected so that the bending portion of the bending body starts deforming when the deformation in the direction reaches an allowable deformation limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3296587A JPS63201276A (en) | 1987-02-16 | 1987-02-16 | Support structure of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3296587A JPS63201276A (en) | 1987-02-16 | 1987-02-16 | Support structure of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63201276A JPS63201276A (en) | 1988-08-19 |
| JPH0415351B2 true JPH0415351B2 (en) | 1992-03-17 |
Family
ID=12373625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3296587A Granted JPS63201276A (en) | 1987-02-16 | 1987-02-16 | Support structure of building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63201276A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686776B2 (en) * | 1987-11-17 | 1994-11-02 | 株式会社大林組 | Seismic isolation device |
| JPH01268937A (en) * | 1988-04-21 | 1989-10-26 | Taisei Corp | Controller for displacement of earthquake-isolated structure |
| JP5066369B2 (en) * | 2007-01-29 | 2012-11-07 | Ｉｈｉ運搬機械株式会社 | Crane seismic isolation device |
| ITRM20110187A1 (en) * | 2011-04-12 | 2012-10-13 | Agenzia Naz Per Le Nuove Tecn Ologie L Ener | ANTI-SEISMIC BASES IN MARBLE, CERAMICS, STEEL-CERAMICS FOR THE PROTECTION OF THE STATUE OF EARTHQUAKES, WORKS OF ART, MUSEUM TECHNIQUES AND DELICATE STRUCTURES. |
| JP2014218795A (en) * | 2013-05-02 | 2014-11-20 | ジェイアール東日本コンサルタンツ株式会社 | Earthquake-resistant support section structure |
| JP6553941B2 (en) * | 2015-05-19 | 2019-07-31 | オイレス工業株式会社 | Seismic isolation structure |
| JP2016217425A (en) * | 2015-05-19 | 2016-12-22 | 株式会社東芝 | Seismic isolator and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60223576A (en) * | 1984-04-18 | 1985-11-08 | 株式会社大林組 | Earthquake dampening apparatus |
| JPS61109879A (en) * | 1984-11-02 | 1986-05-28 | 株式会社東芝 | Earthquake-proof apparatus |
-
1987
- 1987-02-16 JP JP3296587A patent/JPS63201276A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60223576A (en) * | 1984-04-18 | 1985-11-08 | 株式会社大林組 | Earthquake dampening apparatus |
| JPS61109879A (en) * | 1984-11-02 | 1986-05-28 | 株式会社東芝 | Earthquake-proof apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63201276A (en) | 1988-08-19 |
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