JP2002013315A - Vibration control member, and installation structure thereof - Google Patents
Vibration control member, and installation structure thereofInfo
- Publication number
- JP2002013315A JP2002013315A JP2000199770A JP2000199770A JP2002013315A JP 2002013315 A JP2002013315 A JP 2002013315A JP 2000199770 A JP2000199770 A JP 2000199770A JP 2000199770 A JP2000199770 A JP 2000199770A JP 2002013315 A JP2002013315 A JP 2002013315A
- Authority
- JP
- Japan
- Prior art keywords
- damping member
- block
- vibration damping
- building
- vibration
- 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.)
- Pending
Links
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- Building Environments (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建物の振動を吸収
し減衰せしめるための制震部材、およびその制震部材を
建物に設置するための構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration control member for absorbing and attenuating the vibration of a building, and a structure for installing the vibration control member in a building.
【０００２】[0002]
【従来の技術】この種の制震部材として極軟鋼等の鋼材
の剪断降伏を利用する鋼材ダンパーが知られている。そ
のような鋼材ダンパーを鉄骨造（Ｓ造）の建物に設置す
る場合、従来一般には、図４に示すように、上下の梁１
にそれぞれ取付部材（スタブ）２を固定し、それら取付
部材２の間に極軟鋼からなる鋼材ダンパー３を固定する
ことが一般的である。この場合、取付部材２としては鋼
材を用いてそれを梁１に対してボルト締結により固定
し、その取付部材２に対して鋼材ダンパー３をボルト締
結により固定するようにしている。2. Description of the Related Art As a vibration damping member of this type, a steel damper utilizing a shear yield of a steel material such as extremely mild steel is known. Conventionally, when such a steel damper is installed in a steel-frame (S-frame) building, as shown in FIG.
It is general that fixing members (stubs) 2 are fixed to each other, and a steel damper 3 made of extremely mild steel is fixed between the mounting members 2. In this case, a steel material is used as the mounting member 2, which is fixed to the beam 1 by bolting, and the steel damper 3 is fixed to the mounting member 2 by bolting.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記のよう
な鋼材ダンパー３を鉄筋コンクリート造（ＲＣ造）の建
物に設置する場合、つまり梁１がＲＣ造である場合に
は、その梁１に対しては鋼製の取付部材２を確実強固に
固定し難い嫌いがあった。When the steel damper 3 as described above is installed in a reinforced concrete (RC) building, that is, when the beam 1 is RC, the beam 1 is mounted on the building. However, it was difficult to securely and firmly fix the steel mounting member 2.
【０００４】本発明は、極軟鋼等の鋼材ダンパーに代わ
り得る有効な制震部材と、それを建物に確実強固に設置
するための構造を提供することを目的とする。An object of the present invention is to provide an effective vibration damping member which can be substituted for a steel damper such as extremely mild steel, and a structure for surely and firmly installing the damping member in a building.
【０００５】[0005]
【課題を解決するための手段】請求項１の発明は、建物
の振動を吸収し減衰せしめる制震部材であって、複数の
プレキャストコンクリート製のブロックを緊張材により
プレストレスを与えた状態で緊結せしめることにより、
それらブロックを曲げ応力および剪断応力を相互に伝達
可能なブロック集合体として一体化せしめてなることを
特徴とする。According to a first aspect of the present invention, there is provided a vibration damping member for absorbing and attenuating a vibration of a building, wherein a plurality of precast concrete blocks are connected in a state where a prestress is applied by a tendon. By exercising,
It is characterized in that the blocks are integrated as a block aggregate capable of transmitting bending stress and shear stress to each other.
【０００６】請求項２の発明は、請求項１の発明の制震
部材であって、前記ブロックは超軽量ファイバーコンク
リート製であることを特徴とする。A second aspect of the present invention is the vibration damping member according to the first aspect of the present invention, wherein the block is made of ultra-lightweight fiber concrete.
【０００７】請求項３の発明は、請求項１または２の発
明の制震部材を鉄筋コンクリート造の建物に設置するた
めの構造であって、前記ブロック集合体の上下にそれぞ
れコンクリート造の壁体からなる取付部材を定着し、該
取付部材をそれぞれ上下の梁に定着することで、前記ブ
ロック集合体をそれら取付部材を介して上下の梁に対し
て固定することを特徴とする。According to a third aspect of the present invention, there is provided a structure for installing the vibration damping member according to the first or second aspect of the present invention in a reinforced concrete building, wherein a concrete wall is provided above and below the block assembly. The block assembly is fixed to the upper and lower beams via the mounting members by fixing the mounting members and fixing the mounting members to the upper and lower beams, respectively.
【０００８】請求項４の発明は、請求項１または２の発
明の制震部材を鉄骨造の建物に設置するための構造であ
って、前記ブロック集合体の上下にそれぞれ鉄骨からな
る取付部材を締結し、該取付部材をそれぞれ上下の梁に
締結することで、前記ブロック集合体をそれら取付部材
を介して上下の梁に対して固定することを特徴とする。According to a fourth aspect of the present invention, there is provided a structure for installing the vibration damping member according to the first or second aspect of the present invention in a steel-framed building. The block assembly is fixed to the upper and lower beams via the mounting members by fastening the mounting members to the upper and lower beams, respectively.
【０００９】[0009]
【発明の実施の形態】図１は本発明の第１実施形態であ
る制震部材１１とそれをＲＣ造の建物に設置する場合の
設置構造を示すものである。本実施形態の制震部材１１
は、複数（本例では４個）のプレキャストコンクリート
製のブロック１２を積み重ねてその中心部にＰＣ鋼棒や
ＰＣ鋼線等の緊張材１３を挿通せしめ、その緊張材１３
を緊張して両端を最上段および最下段のブロック１２に
対して定着せしめることにより、緊張材１３の緊張力に
より各ブロック１２にプレストレスを与えて曲げ応力お
よび剪断応力を相互に伝達可能なブロック集合体１４と
して一体化したものとなっている。FIG. 1 shows a vibration damping member 11 according to a first embodiment of the present invention and an installation structure for installing the same in an RC building. Damping member 11 of the present embodiment
A plurality of (four in this example) precast concrete blocks 12 are stacked, and a tension member 13 such as a PC steel rod or a PC steel wire is inserted into the center of the block 12.
Is tensioned to fix both ends to the uppermost block and the lowermost block 12, so that a prestress is applied to each block 12 by the tension of the tendon 13 so that bending stress and shear stress can be transmitted to each other. It is integrated as an aggregate 14.
【００１０】上記の各ブロック１２は引張および圧縮靱
性に優れた超軽量ファイバーコンクリート製（比重１．
２〜１．６程度）のものとされている。各ブロック１２
の形状や寸法、重量は適宜設定すれば良いが、手作業に
より容易に取り扱うことができるものとしておくことが
好ましく、たとえば１辺を４０ｃｍの正方形断面とし、
高さを２５ｃｍ、比重１．２とすれば、各ブロック１２
の質量は４８Ｋｇとなるので重機を用いることなく作業
員が自力で持ち運ぶことが可能である。Each of the above blocks 12 is made of ultra-lightweight fiber concrete having excellent tensile and compressive toughness (specific gravity: 1.
(About 2 to 1.6). Each block 12
The shape, size, and weight of may be set as appropriate, but it is preferable that they can be easily handled by hand. For example, a square cross section of one side is 40 cm,
If the height is 25 cm and the specific gravity is 1.2, each block 12
Has a mass of 48 Kg, so that the worker can carry it by himself without using heavy equipment.
【００１１】上記の制震部材１１は、ＲＣ造の建物に対
しＲＣ造の壁体１５を取付部材（スタブ）として上下の
梁（ＲＣ梁）１の間に固定されるものである。すなわ
ち、図１に示すように、ＲＣ造の壁体１５を現場打ちに
て施工してアンカー筋１６により上下の梁１に一体化せ
しめ、それら壁体１５の間に上記の制震部材１１（つま
りブロック集合体１４）を固定する。壁体１５に対する
制震部材１１の固定は、最上段および最下段のブロック
１２に予め固定しておいた曲げ補強筋１７を壁体１５に
定着することで行う。The above-mentioned vibration damping member 11 is fixed between the upper and lower beams (RC beams) 1 using an RC wall 15 as an attachment member (stub) for an RC building. That is, as shown in FIG. 1, an RC wall 15 is constructed by casting in place and integrated with the upper and lower beams 1 by anchor bars 16, and the above-described vibration damping member 11 ( That is, the block aggregate 14) is fixed. The damping member 11 is fixed to the wall 15 by fixing the bending reinforcing bars 17 previously fixed to the uppermost block 12 and the lowermost block 12 to the wall 15.
【００１２】本第１実施形態の制震部材１１は、高強度
の超軽量ファイバーコンクリートからなるブロック１２
を緊張材１３により緊結してプレストレスを与えた状態
で一体化せしめたブロック集合体１４からなるので、優
れたエネルギー吸収能力を有することはもとより、十分
に小形軽量とできるので取り扱いが容易であって建物に
対する設置も簡単である。特に、この制震部材１１のみ
ならず取付部材としての壁体１５をもコンクリート系の
部材としたのでＲＣ造の梁１に対して設置する際の納ま
りや取り合いが簡単であり、ＲＣ造の建物に設置するも
のとして最適である。The vibration damping member 11 of the first embodiment comprises a block 12 made of high-strength ultra-lightweight fiber concrete.
Is composed of a block assembly 14 which is integrated with a tension member 13 in a pre-stressed state, and has not only an excellent energy absorbing ability but also a sufficiently small size and light weight for easy handling. It is easy to install in a building. In particular, since not only the seismic control member 11 but also the wall 15 as an attachment member is made of a concrete member, it is easy to fit and arrange when installing it on the RC beam 1, and the RC building It is most suitable to be installed in.
【００１３】図２は第２実施形態の制震部材２１とその
設置構造を示す。これはＳ造の建物に設置するもので、
４個の超軽量ファイバーコンクリート製のブロック２２
をジョイントカプラー２３を介して複数本の緊張材２４
（ボルト或いはネジ節鉄筋）により連結し、その緊張材
２４を緊張することで各ブロック２２をプレストレスを
与えた状態で一体に緊結してブロック集合体２５とした
ものである。FIG. 2 shows a vibration damping member 21 according to a second embodiment and its installation structure. This is to be installed in an S building.
4 ultra-lightweight fiber concrete blocks 22
To a plurality of tendons 24 via a joint coupler 23
(Blocks or screw-bars), and the tension members 24 are tensioned so that the blocks 22 are united together in a state where a prestress is applied to form a block assembly 25.
【００１４】この制震部材２１をＳ造の建物に設置する
には、制震部材２１の上下に鉄骨からなる取付部材（ス
タブ）２６を配して上記の緊張材２４によりブロック集
合体２５に締結し、それら取付部材２６をそれぞれ上下
の梁１（鉄骨梁）に対してボルト２７により締結する。
これにより取付部材２６を介して制震部材２１を上下の
梁１に対して確実強固にしかも簡単に固定することがで
きるので、Ｓ造の建物に適用するものとして最適であ
る。In order to install the damping member 21 in an S-shaped building, a mounting member (stub) 26 made of a steel frame is disposed above and below the damping member 21, and the block aggregate 25 is formed by the above-mentioned tendon 24. Then, the mounting members 26 are fastened to the upper and lower beams 1 (steel beams) by bolts 27.
Accordingly, the vibration damping member 21 can be securely and firmly fixed to the upper and lower beams 1 via the mounting member 26, so that the vibration damping member 21 is optimally applied to an S-shaped building.
【００１５】なお、本発明の制震部材１１，２１は、図
３（ａ）に示すように躯体フレーム内に単一で設置する
のみならず、（ｂ）に示すように複数の制震部材１１，
２１を並設しても勿論良く、その場合は壁体１５や取付
部材２６は各制震部材１１，２１に共通のものとすれば
良い。The vibration damping members 11 and 21 of the present invention are not only installed alone in the frame as shown in FIG. 3A, but also a plurality of vibration damping members as shown in FIG. 11,
Of course, 21 may be provided side by side. In this case, the wall 15 and the mounting member 26 may be common to the vibration control members 11 and 21.
【００１６】[0016]
【発明の効果】請求項１の発明の制震部材は、複数のプ
レキャストコンクリート製のブロックを緊張材によりプ
レストレスを与えた状態で緊結せしめてブロック集合体
として一体化せしめた構成であるから、ブロック集合体
によるエネルギー吸収能力により優れた制震効果が得ら
れる。The vibration damping member according to the first aspect of the present invention has a structure in which a plurality of precast concrete blocks are tied together in a state where a prestress is applied by a tendon to form an integrated block assembly. Excellent vibration control effect can be obtained by the energy absorption capacity of the block aggregate.
【００１７】請求項２の発明の制震部材は、超軽量ファ
イバーコンクリート製のブロックを採用したので、各ブ
ロックは十分に軽量で優れた引張および圧縮靱性を有す
るので、特に優れた制震効果が得られる。The vibration damping member according to the second aspect of the present invention employs blocks made of ultra-lightweight fiber concrete, so that each block is sufficiently lightweight and has excellent tensile and compressive toughness. can get.
【００１８】請求項３の発明は、上記ブロック集合体を
コンクリート造の壁体からなる取付部材を介して上下の
梁に対して固定するので、ＲＣ梁に対して設置する際の
納まりや取り合いが簡単であり、上記制震部材をＲＣ造
の建物に設置する場合に適用して最適である。According to the third aspect of the present invention, the block assembly is fixed to the upper and lower beams via the mounting member formed of a concrete wall, so that the block assembly can be accommodated or installed when installed on the RC beam. It is simple and is optimally applied to the case where the above-mentioned vibration damping member is installed in a RC building.
【００１９】請求項４の発明は、上記ブロック集合体を
鉄骨からなる取付部材を介して上下の梁に対して固定す
るので、鉄骨梁に対して設置する際の納まりや取り合い
が簡単であり、上記制震部材をＳ造の建物に設置する場
合に適用して最適である。According to the fourth aspect of the present invention, the block assembly is fixed to the upper and lower beams via the mounting member made of a steel frame. It is optimally applied to the case where the above-mentioned vibration control member is installed in an S-shaped building.
【図１】 本発明の第１実施形態である制震部材とその
設置構造を示す図である。FIG. 1 is a diagram showing a vibration damping member according to a first embodiment of the present invention and an installation structure thereof.
【図２】 本発明の第２実施形態である制震部材とその
設置構造を示す図である。FIG. 2 is a view showing a vibration damping member according to a second embodiment of the present invention and an installation structure thereof.
【図３】 本発明の制震部材の設置形態を示す図であ
る。FIG. 3 is a view showing an installation form of a vibration damping member of the present invention.
【図４】 従来の制震部材とその設置構造の一例を示す
図である。FIG. 4 is a diagram showing an example of a conventional vibration damping member and its installation structure.
１ 梁 １１ 制震部材 １２ ブロック １３ 緊張材 １４ ブロック集合体 １５ 壁体（取付部材） １６ アンカー筋 １７ 曲げ補強筋 ２１ 制震部材 ２２ ブロック ２３ ジョイントカプラー ２４ 緊張材 ２５ ブロック集合体 ２６ 取付部材 REFERENCE SIGNS LIST 1 beam 11 damping member 12 block 13 tension member 14 block aggregate 15 wall body (mounting member) 16 anchor bar 17 bending reinforcement 21 damping member 22 block 23 joint coupler 24 tension member 25 block aggregate 26 mounting member
───────────────────────────────────────────────────── フロントページの続き (72)発明者 斉藤 豊 東京都港区芝浦一丁目２番３号 清水建設 株式会社内 Ｆターム(参考） 2E001 DG01 EA01 FA01 GA01 GA62 HA05 HB02 LA15 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yutaka Saito 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation F-term (reference) 2E001 DG01 EA01 FA01 GA01 GA62 HA05 HB02 LA15
Claims (4)
材であって、複数のプレキャストコンクリート製のブロ
ックを緊張材によりプレストレスを与えた状態で緊結せ
しめることにより、それらブロックを曲げ応力および剪
断応力を相互に伝達可能なブロック集合体として一体化
せしめてなることを特徴とする制震部材。An anti-vibration member for absorbing and attenuating the vibration of a building, wherein a plurality of precast concrete blocks are tied in a state of being prestressed by a tendon member, whereby the blocks are subjected to bending stress and shearing. A vibration damping member characterized by being integrated as a block aggregate capable of transmitting stress to each other.
ブロックは超軽量ファイバーコンクリート製であること
を特徴とする制震部材。2. The damping member according to claim 1, wherein said block is made of ultra-lightweight fiber concrete.
コンクリート造の建物に設置するための構造であって、
前記ブロック集合体の上下にそれぞれコンクリート造の
壁体からなる取付部材を定着し、該取付部材をそれぞれ
上下の梁に定着することで、前記ブロック集合体をそれ
ら取付部材を介して上下の梁に対して固定することを特
徴とする制震部材の設置構造。3. A structure for installing the vibration damping member according to claim 1 or 2 in a reinforced concrete building,
By fixing mounting members made of concrete walls on the upper and lower sides of the block assembly, and fixing the mounting members on the upper and lower beams, respectively, the block assembly is formed on the upper and lower beams via the mounting members. An installation structure of a vibration control member characterized by being fixed to the structure.
造の建物に設置するためのであって、前記ブロック集合
体の上下にそれぞれ鉄骨からなる取付部材を締結し、該
取付部材をそれぞれ上下の梁に締結することで、前記ブ
ロック集合体をそれら取付部材を介して上下の梁に対し
て固定することを特徴とする制震部材の設置構造。4. The vibration damping member according to claim 1 or 2, wherein the vibration damping member is installed in a steel-framed building, and mounting members made of steel are fastened to upper and lower sides of the block assembly, respectively. An installation structure of a vibration damping member, wherein the block assembly is fixed to the upper and lower beams via the attachment members by fastening the upper and lower beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000199770A JP2002013315A (en) | 2000-06-30 | 2000-06-30 | Vibration control member, and installation structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000199770A JP2002013315A (en) | 2000-06-30 | 2000-06-30 | Vibration control member, and installation structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002013315A true JP2002013315A (en) | 2002-01-18 |
Family
ID=18697732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000199770A Pending JP2002013315A (en) | 2000-06-30 | 2000-06-30 | Vibration control member, and installation structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002013315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008240488A (en) * | 2007-03-29 | 2008-10-09 | Kajima Corp | Concrete type bar-shaped damper structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03194077A (en) * | 1989-12-21 | 1991-08-23 | Shimizu Corp | Vibration damping system for building |
| JPH07317370A (en) * | 1994-05-20 | 1995-12-05 | Fujita Corp | Damping device |
| JPH10159352A (en) * | 1996-11-29 | 1998-06-16 | Kumagai Gumi Co Ltd | Aseismatic reinforcing wall body and reinforcing structure |
| JP2000170286A (en) * | 1998-12-03 | 2000-06-20 | Ohbayashi Corp | Built-up structure for aseismatic wall and fixing method for pc steel bar |
-
2000
- 2000-06-30 JP JP2000199770A patent/JP2002013315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03194077A (en) * | 1989-12-21 | 1991-08-23 | Shimizu Corp | Vibration damping system for building |
| JPH07317370A (en) * | 1994-05-20 | 1995-12-05 | Fujita Corp | Damping device |
| JPH10159352A (en) * | 1996-11-29 | 1998-06-16 | Kumagai Gumi Co Ltd | Aseismatic reinforcing wall body and reinforcing structure |
| JP2000170286A (en) * | 1998-12-03 | 2000-06-20 | Ohbayashi Corp | Built-up structure for aseismatic wall and fixing method for pc steel bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008240488A (en) * | 2007-03-29 | 2008-10-09 | Kajima Corp | Concrete type bar-shaped damper structure |
| JP4735585B2 (en) * | 2007-03-29 | 2011-07-27 | 鹿島建設株式会社 | Concrete rod-shaped damper structure |
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