JP4922059B2 - Hybrid vibration control mechanism - Google Patents

Hybrid vibration control mechanism Download PDF

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JP4922059B2
JP4922059B2 JP2007124814A JP2007124814A JP4922059B2 JP 4922059 B2 JP4922059 B2 JP 4922059B2 JP 2007124814 A JP2007124814 A JP 2007124814A JP 2007124814 A JP2007124814 A JP 2007124814A JP 4922059 B2 JP4922059 B2 JP 4922059B2
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viscoelastic
control mechanism
vibration control
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大偉 劉
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Daiwa House Industry Co Ltd
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Description

本発明は、ハイブリッド制震機構に関する。   The present invention relates to a hybrid vibration control mechanism.

粘弾性体に変形を行わせて震動エネルギーを吸収する粘弾性体制震機構や、金属に塑性変形を行わせて震動エネルギーを吸収する履歴型制震機構は、従来より知られている。
特開２００６−２８３３７４号公報 Conventionally, a viscoelastic seismic mechanism that absorbs seismic energy by deforming a viscoelastic body, and a hysteretic control mechanism that absorbs seismic energy by plastically deforming a metal are known.
JP 2006-283374 A

しかしながら、粘弾性体制震機構では、小から大にわたる広い変形領域において制震効果を発揮することができるという利点を有するものの、粘弾性体には温度依存性や速度依存性があり、構造計算上の耐力の評価が難しいという欠点がある。   However, although the viscoelastic seismic mechanism has the advantage that it can exhibit a seismic control effect in a wide deformation range from small to large, the viscoelastic body has temperature dependence and speed dependence, which is There is a drawback that it is difficult to evaluate the yield strength.

また、履歴型制震機構では、エネルギー法によって構造計算上の耐力の評価が容易であるという利点があるが、制震効果の有効領域範囲が狭く、また、大変形時に残留変形を残してしまいやすいという欠点がある。   In addition, the hysteretic damping mechanism has the advantage that it is easy to evaluate the structural strength by the energy method, but the effective range of the damping effect is narrow, and residual deformation remains when large deformation occurs. There is a drawback that it is easy.

本発明は、上記のような問題点に鑑み、小から大にわたる広い変形領域において制震効果を発揮することができ、しかも、構造計算上の耐力の評価が容易で、加えて、大変形時の残留変形を抑制ないしはなくすことができる制震機構を提供することを課題とする。   In view of the above-described problems, the present invention can exhibit a vibration control effect in a wide deformation region ranging from a small to a large, and it is easy to evaluate the strength in structural calculation. It is an object of the present invention to provide a vibration control mechanism that can suppress or eliminate the residual deformation of the steel.

上記の課題は、粘弾性体に変形を行わせて震動エネルギーを吸収する粘弾性体制震機構と、金属に塑性変形を行わせて震動エネルギーを吸収する履歴型制震機構とが組み合わされ、履歴型制震機構が粘弾性体制震機構の粘弾性体の変形を抑制する働きをし、粘弾性体制震機構が変形後の履歴型制震機構を復元させる働きをするようになされていることを特徴とするハイブリッド制震機構によって解決される（第１発明）。   The above problem is a combination of a viscoelastic seismic mechanism that absorbs seismic energy by deforming a viscoelastic body and a hysteretic damping mechanism that absorbs seismic energy by plastically deforming metal. The type seismic control mechanism works to suppress the deformation of the viscoelastic body of the viscoelastic system seismic mechanism, and the viscoelastic system seismic mechanism works to restore the hysteretic control system after deformation. This is solved by the characteristic hybrid vibration control mechanism (first invention).

この制震機構では、粘弾性体制震機構と履歴型制震機構とが組み合わされ、履歴型制震機構が粘弾性体制震機構の粘弾性体の変形を抑制する働きをするようになされているので、履歴型制震機構によって構造計算上の耐力の評価を容易に行うことができ、
しかも、粘弾性体制震機構はその粘弾性体の変形が抑制されているだけであるので、小から大にわたる広い変形領域において制震効果を発揮することができ、
加えて、粘弾性体制震機構が変形後の履歴型制震機構を復元させる働きをするようになされているので、履歴型制震機構が大変形時に大きく変形しても、粘弾性体の復元力によって復元し、大変形時の履歴型制震機構の残留変形を抑制ないしはなくすことができる。 In this seismic control mechanism, the viscoelastic system seismic mechanism and the hysteretic seismic control mechanism are combined, and the hysteretic seismic control mechanism functions to suppress the deformation of the viscoelastic body of the viscoelastic system seismic mechanism. Therefore, it is possible to easily evaluate the strength in structural calculation by the hysteretic vibration control mechanism,
In addition, since the viscoelastic seismic mechanism is only suppressed in deformation of its viscoelastic body, it can exert a seismic control effect in a wide deformation region from small to large,
In addition, since the viscoelastic system seismic mechanism works to restore the hysteretic control mechanism after deformation, the viscoelastic body can be restored even if the hysteretic seismic control mechanism deforms greatly during large deformation. Restoring by force, it is possible to suppress or eliminate the residual deformation of the hysteretic control mechanism during large deformation.

第１発明において、前記粘弾性体制震機構が、プレート部間に粘弾性体を接着状態に介設し、該粘弾性体にせん断変形を行わせて震動エネルギーを吸収するようになされたものからなり、
履歴型制震機構がエネルギー吸収用のＵ字部を備え、該Ｕ字部が、粘弾性体制震機構を構成するプレート部間に配置され、該プレート部間において、一方の辺側を一方のプレート部側に、もう一方の辺側をもう一方のプレート部側に一体化させて備えられているとよい（第２発明）。 In the first invention, the viscoelastic structural seismic mechanism is configured such that a viscoelastic body is interposed between the plate portions and the viscoelastic body is subjected to shear deformation to absorb vibration energy. Become
The hysteretic vibration control mechanism includes a U-shaped portion for absorbing energy, and the U-shaped portion is disposed between the plate portions constituting the viscoelastic structural vibration mechanism. It is preferable that the other side is integrated with the other plate portion side on the plate portion side (second invention).

このハイブリッド制震機構では、粘弾性体制震機構を構成するプレート部を履歴型制震機構の構成要素として利用したものであるから、構造を簡素化でき、
しかも、履歴型制震機構のエネルギー吸収部であるＵ字部を、粘弾性体制震機構を構成するプレート部間に配置して備えさせたものであるから、ハイブリッド制震機構をコンパクトに構成することができ、
加えて、本発明のハイブリッド制震機構を、一つのハイブリッド制震デバイスとして構成することができるので、制震構造物への採用を容易にすることができる。 In this hybrid seismic control mechanism, the plate part constituting the viscoelastic system seismic mechanism is used as a component of the hysteretic seismic control mechanism, so the structure can be simplified.
In addition, since the U-shaped part, which is the energy absorption part of the hysteretic vibration control mechanism, is arranged between the plate parts constituting the viscoelastic system vibration control mechanism, the hybrid vibration control mechanism is compactly configured. It is possible,
In addition, since the hybrid vibration control mechanism of the present invention can be configured as a single hybrid vibration control device, it can be easily adopted in a vibration control structure.

第２発明において、前記Ｕ字部は、各辺がプレート部間の外に導出され、プレート部間の外でプレート部に結合されているとよい（第３発明）。この場合は各プレート部へのＵ字部の取付けを容易にすることができる。   In the second invention, the U-shaped part may be led out to the outside between the plate parts and connected to the plate part outside the plate parts (third invention). In this case, the U-shaped portion can be easily attached to each plate portion.

本発明の制震機構は、以上のとおりのものであるから、小から大にわたる広い変形領域において制震効果を発揮することができ、しかも、構造計算上の耐力の評価が容易で、加えて、大変形時の残留変形を抑制ないしはなくすことができる。   Since the seismic control mechanism of the present invention is as described above, it can exhibit a seismic control effect in a wide range of deformation from small to large, and it is easy to evaluate the strength in structural calculations. Residual deformation during large deformation can be suppressed or eliminated.

次に、本発明の実施最良形態を図面に基づいて説明する。   Next, the best mode for carrying out the present invention will be described with reference to the drawings.

図１〜図３に示す実施形態のハイブリッド制震機構は、一つのハイブリッド制震デバイスとして構成した場合のもので、該制震デバイス１は、上側のプレート部２の前後両側に下側のプレート部３，３が備えられ、これらプレート部３，２，３間のそれぞれにアクリル系などからなる粘弾性体４，４が接着状態に介設されて粘弾性体制震機構部１１を構成し、図１（ロ）（ハ）に示すように、上側のプレート部２と下側のプレート部３，３とが左右方向に相対変位をすることにより、粘弾性体４，４がせん断変形をして震動エネルギーを吸収するようになされている。   The hybrid vibration control mechanism of the embodiment shown in FIGS. 1 to 3 is configured as a single hybrid vibration control device, and the vibration control device 1 includes lower plates on both the front and rear sides of the upper plate portion 2. Parts 3, 3 are provided, and viscoelastic bodies 4, 4 made of acrylic or the like are interposed between these plate parts 3, 2, 3 to form a viscoelastic system vibration mechanism part 11, As shown in FIGS. 1B and 1C, the upper plate portion 2 and the lower plate portions 3 and 3 are displaced relative to each other in the left-right direction, so that the viscoelastic bodies 4 and 4 undergo shear deformation. It absorbs vibration energy.

また、プレート部３，２，３間のそれぞれには、図１（イ）に示すように、左右両側部において、エネルギー吸収用の金属製のＵ字部５が、折返し側をプレート部２，３間の奥方に向けるようにして配置され、それらの一方の辺５ａ側を一方のプレート部２側に、もう一方の辺５ａ側をもう一方のプレート部３側に一体化させて備えられて、履歴型制震機構部１２を構成し、図１（ロ）（ハ）に示すように、上側のプレート部２と下側のプレート部３，３とが左右方向に相対変位をすることにより、各Ｕ字部５…が塑性変形をして震動エネルギーを吸収するようになされている。   Further, between each of the plate portions 3, 2 and 3, as shown in FIG. 1 (a), the metal U-shaped portion 5 for energy absorption is provided on both the left and right sides, and the folded side is placed on the plate portion 2, 3 are arranged so as to face in the back, and one side 5a side thereof is integrated with one plate portion 2 side, and the other side 5a side is integrated with the other plate portion 3 side. As shown in FIGS. 1 (B) and (C), the hysteretic vibration control mechanism 12 is constructed, and the upper plate 2 and the lower plates 3 and 3 are displaced relative to each other in the left-right direction. Each U-shaped portion 5 is plastically deformed to absorb vibration energy.

本実施形態では、プレート部３，２，３の左右各側において、各Ｕ字部５の各辺部５ａ…がプレート部２，３間の外に導出され、導出された一方の部分同士が互いに連接されてＷ形履歴ダンパー材６を構成しており、該Ｗ形履歴ダンパー材６が、プレート部２，３間の外でプレート部２，３にボルトや溶接などで結合一体化されている。   In the present embodiment, on each of the left and right sides of the plate portions 3, 2, 3, the side portions 5 a... Of each U-shaped portion 5 are led out between the plate portions 2, 3. The W-shaped hysteresis damper material 6 is connected to each other, and the W-shaped hysteresis damper material 6 is joined and integrated to the plate portions 2 and 3 by bolts, welding or the like outside the plate portions 2 and 3. Yes.

そして、履歴型制震機構１２の各Ｕ字部５…が粘弾性体制震機構１１の粘弾性体４の変形を抑制する働きをし、粘弾性体制震機構１１の粘弾性体４，４が、変形後の履歴型制震機構１２、即ち各Ｕ字部５…を復元させる働きをするように構成されている。   And each U-shaped part 5 ... of the hysteretic vibration control mechanism 12 functions to suppress the deformation of the viscoelastic body 4 of the viscoelastic structure vibration mechanism 11, and the viscoelastic bodies 4, 4 of the viscoelastic structure vibration mechanism 11 are The deformed hysteresis type damping mechanism 12, that is, the U-shaped portions 5 are restored.

上記のハイブリッド制震デバイス１では、粘弾性体制震機構１１と履歴型制震機構１２とが組み合わされ、履歴型制震機構１２が粘弾性体制震機構１１の粘弾性体４の変形を抑制する働きをするようになされているので、小変形領域において主として履歴型制震機構１２の耐力を利用し、許容応力度計算時にその耐力を利用して構造計算上の評価をすることができて、履歴型制震機構１２により構造計算上の耐力の評価を容易に行うことができる。   In the hybrid vibration control device 1 described above, the viscoelastic system vibration control mechanism 11 and the hysteretic vibration control mechanism 12 are combined, and the hysteretic vibration control mechanism 12 suppresses deformation of the viscoelastic body 4 of the viscoelastic vibration control mechanism 11. Since it is made to work, the strength of the hysteretic damping mechanism 12 is mainly used in the small deformation region, and the structural strength can be evaluated using the strength when calculating the allowable stress level. The hysteretic damping mechanism 12 can easily evaluate the strength in structural calculation.

しかも、粘弾性体制震機構１１はその粘弾性体４，４の変形が履歴型制震機構１２によって抑制されるようになされているだけであるので、小から大にわたる広い変形領域において制震効果を発揮することができる。   In addition, since the viscoelastic structural seismic mechanism 11 is merely configured such that the deformation of the viscoelastic bodies 4 and 4 is suppressed by the hysteretic seismic control mechanism 12, the seismic control effect in a wide deformation region from small to large. Can be demonstrated.

加えて、粘弾性体制震機構１１が変形後の履歴型制震機構１２、即ちＵ字部５…を復元させる働きをするようになされているので、各Ｕ字部５…が大変形時に大きく変形しても、粘弾性体４，４の復元力によって復元し、大変形時の各Ｕ字部５…の残留変形を抑制ないしはなくすことができる。   In addition, since the viscoelastic structural seismic mechanism 11 functions to restore the hysteresis type seismic control mechanism 12 after deformation, that is, the U-shaped part 5..., Each U-shaped part 5. Even if it is deformed, it can be restored by the restoring force of the viscoelastic bodies 4, 4, and the residual deformation of each U-shaped portion 5 at the time of large deformation can be suppressed or eliminated.

また、本実施形態では、粘弾性体制震機構１１を構成するプレート部３，２，３を履歴型制震機構１２の構成要素として利用している構成であるので、ハイブリッド制震機構の構造を簡素化でき、しかも、履歴型制震機構１２のエネルギー吸収部であるＵ字部５…を、粘弾性体制震機構１１を構成するプレート部３，２，３間に配置して備えさせたものであるから、ハイブリッド制震機構をコンパクトに構成することができ、加えて、一つのハイブリッド制震デバイスとして構成されていることで、制震パネルや制震建物等の制震構造物への採用を容易にすることができる。   Moreover, in this embodiment, since it is the structure which uses the plate parts 3, 2, and 3 which comprise the viscoelastic system seismic mechanism 11 as a component of the hysteresis type seismic control mechanism 12, the structure of a hybrid seismic control mechanism is used. The U-shaped portion 5 which is an energy absorbing portion of the hysteretic vibration control mechanism 12 can be simplified and disposed between the plate portions 3, 2 and 3 constituting the viscoelastic system vibration mechanism 11. Therefore, the hybrid vibration control mechanism can be configured compactly, and in addition, it is configured as a single hybrid vibration control device, so it can be used for vibration control structures such as vibration control panels and vibration control buildings. Can be made easier.

更に、各Ｕ字部５…はプレート部３，２，３間に配置されたものでありながら、プレート部３，２，３間の外でプレート部３，２，３に結合された構造となされているので、各プレート部３，２，３へのＵ字部５…の取付けを容易にすることができる。とりわけ、隣り合うＵ字部５，５を連接させたＷ形履歴型ダンパー材６を採用していることで、プレート部３，２，３間へのＵ字部５…の組込みをより一層容易にすることができる。   Further, each U-shaped portion 5 is arranged between the plate portions 3, 2, 3, and is connected to the plate portions 3, 2, 3 outside the plate portions 3, 2, 3. Since it is made, attachment of the U-shaped part 5 ... to each plate part 3,2,3 can be made easy. In particular, by adopting a W-shaped hysteresis type damper material 6 in which adjacent U-shaped parts 5 and 5 are connected, it is even easier to incorporate the U-shaped part 5 between the plate parts 3, 2, 3. Can be.

以上に、本発明の実施形態を示したが、本発明はこれに限られるものではなく、発明思想を逸脱しない範囲で各種の変更が可能である。例えば、上記実施形態では、プレート部が３つで粘弾性体が２つの場合を示したが、プレート部が２つで粘弾性体が１つ、あるいは、プレート部が４つ以上で粘弾性体が３つ以上のハイブリッド制震デバイスに構成することも可能である。   Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above-described embodiment, the case where there are three plate portions and two viscoelastic bodies has been described. However, two plate portions and one viscoelastic body, or four or more plate portions and a viscoelastic body. However, it is possible to construct a hybrid seismic control device with three or more.

また、上記の実施形態では、ハイブリッド制震機構を一つのデバイスに構成した場合を示したが、第１発明では、制震パネルや制震建物などの制震構造物に、粘弾性体制震機構部と履歴型制震機構部とを個別に備えさせた構成のハイブリッド制震機構に構成することも可能である。   Further, in the above embodiment, the case where the hybrid vibration control mechanism is configured as one device is shown. However, in the first invention, the viscoelastic system vibration control mechanism is added to the vibration control structure such as the vibration control panel or the vibration control building. It is also possible to configure a hybrid seismic control mechanism having a configuration in which a part and a hysteretic control mechanism are separately provided.

図（イ）は実施形態のハイブリッド制震デバイスを示すもので、図２（イ）のＩ−Ｉ線断面図、図（ロ）及び図（ハ）はその作動状態を示す断面図である。FIG. 1 (a) shows the hybrid vibration control device of the embodiment, and FIG. 2 (b) is a cross-sectional view taken along the line II, and FIG. 2 (b) and FIG. 図（イ）は同ハイブリッド制震デバイスの正面図、図（ロ）は同側面図である。Fig. (A) is a front view of the hybrid vibration control device, and Fig. (B) is a side view thereof. 図（イ）は同ハイブリッド制震デバイスの分解斜視図、図（ロ）は同斜視図である。FIG. 1A is an exploded perspective view of the hybrid vibration control device, and FIG.

符号の説明Explanation of symbols

１…ハイブリッド制震デバイス（ハイブリッド制震機構）
２，３…プレート部
４…粘弾性体
５…Ｕ字部
１１…粘弾性体制震機構
１２…履歴型制震機構 1 ... Hybrid control device (hybrid control system)
DESCRIPTION OF SYMBOLS 2,3 ... Plate part 4 ... Viscoelastic body 5 ... U-shaped part 11 ... Viscoelastic structure seismic mechanism 12 ... Hysteresis type seismic control mechanism

Claims (2)

粘弾性体に変形を行わせて震動エネルギーを吸収する粘弾性体制震機構と、金属に塑性変形を行わせて震動エネルギーを吸収する履歴型制震機構とが組み合わされ、履歴型制震機構が粘弾性体制震機構の粘弾性体の変形を抑制する働きをし、粘弾性体制震機構が変形後の履歴型制震機構を復元させる働きをするようになされており、
前記粘弾性体制震機構が、プレート部間に粘弾性体を接着状態に介設し、該粘弾性体にせん断変形を行わせて震動エネルギーを吸収するようになされたものからなり、
履歴型制震機構がエネルギー吸収用のＵ字部を備え、該Ｕ字部が、粘弾性体制震機構を構成するプレート部間に配置され、該プレート部間において、一方の辺側を一方のプレート部側に、もう一方の辺側をもう一方のプレート部側に一体化させて備えられていることを特徴とするハイブリッド制震機構。 A hysteretic seismic mechanism that absorbs seismic energy by deforming a viscoelastic body is combined with a hysteretic seismic mechanism that absorbs seismic energy by plastically deforming a metal. The viscoelastic seismic mechanism works to suppress the deformation of the viscoelastic body, and the viscoelastic system seismic mechanism works to restore the hysteretic seismic control mechanism after deformation,
The viscoelastic system seismic mechanism comprises a viscoelastic body interposed between the plate parts, and the viscoelastic body is subjected to shear deformation to absorb vibration energy,
The hysteretic vibration control mechanism includes a U-shaped portion for absorbing energy, and the U-shaped portion is disposed between the plate portions constituting the viscoelastic structural vibration mechanism. A hybrid vibration control mechanism characterized in that the other side is integrated with the other plate portion side on the plate portion side . 前記Ｕ字部は、各辺がプレート部間の外に導出され、プレート部間の外でプレート部に結合されている請求項１に記載のハイブリッド制震機構。 2. The hybrid vibration control mechanism according to claim 1 , wherein each side of the U-shaped portion is led out between the plate portions and is coupled to the plate portion outside the plate portions.
JP2007124814A 2007-05-09 2007-05-09 Hybrid vibration control mechanism Expired - Fee Related JP4922059B2 (en)

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Publication number Priority date Publication date Assignee Title
CN105201260A (en) * 2015-10-12 2015-12-30 济南大学 Steel structure seismic-reduction energy-dissipation system provided with viscoelastic damper and design method

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JP6358838B2 (en) * 2014-04-14 2018-07-18 株式会社ビービーエム Damping damper for structures

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JPH09317240A (en) * 1996-06-03 1997-12-09 Mitsubishi Heavy Ind Ltd Elastic and plastic damper
JPH11303448A (en) * 1998-04-27 1999-11-02 Shimizu Corp Framework reinforcing material having damping function
JP2000213200A (en) * 1999-01-20 2000-08-02 Shimizu Corp Damping construction
JP4288370B2 (en) * 2006-04-07 2009-07-01 独立行政法人建築研究所 Damper device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201260A (en) * 2015-10-12 2015-12-30 济南大学 Steel structure seismic-reduction energy-dissipation system provided with viscoelastic damper and design method
CN105201260B (en) * 2015-10-12 2017-12-08 济南大学 A kind of steel construction damping dissipative devices and design method provided with viscoelastic damper

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