JP3829458B2 - Attaching the vibration control device to the building - Google Patents

Attaching the vibration control device to the building Download PDF

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Publication number
JP3829458B2
JP3829458B2 JP03424398A JP3424398A JP3829458B2 JP 3829458 B2 JP3829458 B2 JP 3829458B2 JP 03424398 A JP03424398 A JP 03424398A JP 3424398 A JP3424398 A JP 3424398A JP 3829458 B2 JP3829458 B2 JP 3829458B2
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Prior art keywords
control device
container
vibration control
horizontal member
resistance plate
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JP03424398A
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JPH11217955A (en
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茂 青山
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Oiles Corp
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Oiles Corp
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  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Vibration Prevention Devices (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、粘性剪断抵抗を利用して振動を減衰させる制震装置を建築物の上下梁間、上下床間等の上下水平部材間に取り付ける方法に関する。
【0002】
【発明が解決しようとする課題】
最近では、地震による建物の損壊を防止するために、建物全体を免震装置によって支持して、地震の振動を建物に伝達させないようにする方法、建物の各階の壁等に制震装置を組み込んで、地震の振動による建物の振動を減衰させる方法等が提案されている。
【0003】
後者において、制震装置として、粘性剪断抵抗を利用して振動を減衰させる制震装置を用いる場合、制震装置自体が、幅広の大きな鋼製の抵抗板と、この抵抗板を収容した鋼製の大型の容器とからなるため、通常、制震装置の組み立ては予め工場などで行われて、この予め組み立てられた制震装置が建築現場に搬入されるが、建築現場に搬入された後は、一旦、その地組みヤードで制震装置が上本梁等に地組され、その後、制震装置が組み付けられた上本梁がクレーン等により吊り上げられて節柱間に配されるような工法が採用されている。
【0004】
ところで、建築現場の敷地面積に対して建築物の占有面積が同程度であると、敷地内に地組みヤードを設けることが困難であって、したがって、上記のように地組みヤードで制震装置を上本梁等に地組みするような工程を採用することができない。
【0005】
本発明は、前記諸点に鑑みてなされたものであって、その目的とするところは、建築現場の敷地内に地組みヤードを設けることが困難であっても、制震装置を節柱間等に配して、上下水平部材間に取り付けることができる簡便な方法を提供することにある。
【0006】
【課題を解決するための手段】
粘性体を収容するための容器と、この容器と隙間をもって配されると共に、容器内の粘性体に一部が埋没される抵抗板とを具備した制震装置を建築物の下水平部材と上水平部材との間に取り付ける本発明の建築物への制震装置の取り付け方法は、容器から抵抗板が分離しないように容器に抵抗板が仮止めされた制震装置を、予め配設された下水平部材上に載置して、その容器側において下水平部材に少なくとも横方向に関しては不動となるように仮止めする第一の工程と、この仮止め後、抵抗板から上方に離れて上水平部材を配設し、この配設した上水平部材に抵抗板を上方向に関しては可動である一方、横方向に関しては不動となるように仮止めする第二の工程と、この仮止め後、制震装置を上水平部材に向かって上昇させて、上昇後、抵抗板を上水平部材に固定する第三の工程と、その後、抵抗板の容器への仮止めを解除して容器を下降させて、下降後、容器を下水平部材に固定する第四の工程とを具備してなる。
【0007】
本発明の好ましい例では、第一の工程では、制震装置を、予め形成された下水平部材上に、スペーサを介して載置し、第三の工程では、スペーサにより形成された下水平部材の上面と容器の下面との間の隙間を用いて制震装置を上昇させるようにする。この場合、隙間に爪ジャッキ等を介装して制震装置を上昇させると、作業性がよくなり好ましい。
【0008】
本発明の他の好ましい例では、第一の工程では、上方向に関しても不動となるように制震装置を下水平部材に仮止めし、第三の工程では、制震装置の下水平部材への上方向に関して不動となる仮止めを解除して、制震装置を上水平部材に向かって上昇させるようにする。このように第一の工程で上方向に関しても不動となるように制震装置を下水平部材に仮止めすると、制震装置を下水平部材にしっかりと仮止めするができ、直ちに制震装置を上下水平部材に固定できない場合等において、安全性を確保することができる。
【0009】
本発明の他の好ましい例では、第一の工程及び第二の工程の少なくとも一方の工程での仮止めを、ボルト−ナットの組み合わせを用いて行い、また、第三の工程及び第四の工程の少なくとも一方の工程での固定を、同じくボルト−ナットの組み合わせを用いて行うようにし、更には、第一の工程及び第二の工程の少なくとも一方の工程での仮止めを、ボルト−ナットの組み合わせを用いて行い、第三の工程及び第四の工程の少なくとも一方の工程での固定を、仮止めにおいて用いたボルト−ナットの組み合わせを用いて行うようにする。このように仮止め、固定をボルト−ナットの組み合わせを用いて行うと、ボルト−ナットの締め付け、締め付け解除により、仮止め、仮止め解除、固定を簡単に行うことができ、作業性を極めて向上させることができる。
【0010】
本発明の更に他の好ましい例では、第一の工程以前に又は第四の工程以前若しくは第四の工程の後に、容器内に粘性体を充填するようにする。第一の工程以前に容器内に粘性体を充填する場合、工場でこれを行ってもよいが、若干のスペースがある場合には、建築現場でこれを行ってもよく、このように第一の工程以前に容器内に粘性体を充填すると、充填作業を困難なく行うことができ、充填作業の容易化の観点から好ましい。第四の工程以前若しくは第四の工程の後に、容器内に粘性体を充填する場合には、搬送中の粘性体の漏出又は雨水の容器内への侵入による粘性体の漏出の虞を少なくし得、この粘性体の漏出防止の観点から好ましい。
【0011】
更に本発明の制震装置は、上記の方法に用いるためのものであって、粘性体を収容するための容器と、この容器と隙間をもって配されると共に、容器内の粘性体に一部が埋没される抵抗板とを具備している。
【0012】
【発明の実施の形態】
次に本発明及びその実施の形態を、図に示す好ましい実施例に基づいて更に詳細に説明する。なお、本発明はこれら実施例に何等限定されないのである。
【0013】
【実施例】
図1から図3において、本例の制震装置1は、粘性体2を収容するための容器3と、容器3と隙間をもって配されていると共に、容器3内の粘性体2に一部が埋没される抵抗板4とを具備している。
【0014】
粘性体2は、ポリイソブチレン系のもの等からなり、容器3と、容器3内に配された抵抗板4との間の隙間に充填される。
【0015】
鋼製の箱状の容器3は、互いに対向する広幅の側板11及び12と、互いに対向する狭幅の側板13及び14と、底板15とを、溶接等により互いに固着して一体的に具備しており、側板13及び14の上部並びに底板15のフランジ部には、ボルト挿通用の貫通孔16及び17が形成されている。
【0016】
鋼製の抵抗板4は、板状の本体21と、フランジ板22と、複数の補強リブ23とを、溶接等により互いに固着して一体的に具備しており、フランジ板22には、複数のボルト挿通用の貫通孔24が形成されている。抵抗板4において、複数枚の板状の本体21を、その広幅面が互いに隙間をもって対面するようにして、フランジ板22に固着してもよく、この場合、本体21間の各隙間に、これら本体21と同じく隙間をもって介挿される板を底板15に更に固着して、容器3を形成してもよい。
【0017】
制震装置1は、容器3に対する抵抗板4の水平方向Hの相対移動で、容器3の側板11及び12の夫々の内面とこれに対面する抵抗板4の広幅側面の夫々との間の隙間に介在した粘性体2を粘性剪断させて、これによって生じる粘性剪断抵抗により、容器3に対する抵抗板4の水平方向Hの相対移動エネルギ、したがって、地震エネルギを減衰させるようになっている。
【0018】
以上のような制震装置1を建築物に取り付けるに際しては、まず、図4に示すように、コンクリート等を打設して床スラブ31を形成すると共に、床スラブ31上に、下水平部材としてのH型鋼等の鋼製の部材からなる下本梁32を敷設し、下本梁32上に、必要個数の鋼製のキャンバー(スペーサ)33を載置する。キャンバー33の厚みの一例としては、14mmから16mm程度を挙げることができるが、これに限定されない。下本梁32の上板部34には、貫通孔17に対応して、ボルト挿通用の貫通孔35を敷設前又は敷設後に形成する。
【0019】
次に、容器3から抵抗板4が分離しないように容器3に抵抗板4が仮止め治具36(図5参照)により仮止めされた制震装置1を、建築現場にトラック等により搬入する。仮止め治具36は、一方では、溶接等により抵抗板4に仮止めされ、他方では、貫通孔16に挿通されたボルト37及びこれに螺合したナットにより容器3に仮止めされて、これにより、容器3から抵抗板4が分離しないようにしている。なお、貫通孔16にねじ切りを施し、ナットを用いることなしに、ボルト37を側板13及び14に螺合させてもよく、このようにすると、仮止め治具36の容器3への仮止め、仮止め解除を簡単に行うことができ、作業性の観点から好ましい。
【0020】
トラック等に載置された制震装置1のフランジ板22に、貫通孔24及びナット41を介してロープ係止具42(図5参照)を取り付け、ロープ係止具42にロープ43を引っかけて、ロープ43を介してクレーン等により制震装置1を持ち上げて、図5に示すように、予め配設された下本梁32上にキャンバー33を介して載置する。なお、ロープ係止具42は、建築現場で取り付けることなしに、予め工場で取り付けておいてもよく、また、ロープ係止具42を用いることなしに、貫通孔24に直接ロープ43を係止してもよい。
【0021】
次に、図6に示すように、貫通孔17及び35に仮止め用の若干長いボルト45を挿通して、ボルト45をナット46に螺合して仮締めし、こうして、制震装置1を、ボルト45−ナット46の組み合わせを用いて、その容器3側において下本梁32に、横方向H及び縦方向Vに関して不動となるように仮止めし、以下の取り付け工程中に制震装置1を転倒させないようにする。なお、この場合、縦方向Vに関しては可動となるように仮止めしてもよい。
【0022】
この仮止め後、ロープ係止具42及びロープ43を取り外して、次に、図7に示すように、制震装置1の両横に、コンクリート等を打設して又はH型鋼等の鋼製の部材を用いて節柱51及び52を立設する。なお、節柱51及び52は、制震装置1を下本梁32に仮止めする前、すなわち、下本梁32の敷設と共に又は下本梁32の敷設前若しくは敷設後に、立設してもよい。更に、節柱51及び52を橋絡して且つフランジ板22の上面53から上方に離れて上水平部材としてのH型鋼等の鋼製の部材からなる上本梁54を配設する。
【0023】
上記の配設前に準備する上本梁54としては、図示のように長短の二本のH型鋼等の鋼製の部材を互いに溶接等の手段で固着したもの又は一本のH型鋼等の鋼製の部材であってもよい。節柱51及び52への上本梁54の両端の固着は、溶接、アンカーボルト打ち込み等の公知の手段を用いて行われる。上面53と上本梁54のフランジ板55の下面56との間の隙間の距離としては、4mmから6mmを一例として挙げることができる。
【0024】
上本梁54の配設後、図8に示すように、貫通孔24に対応して上本梁54のフランジ板55に予め形成された貫通孔57とフランジ板22の貫通孔24とに、本締め用(最終固定用)のボルト58を挿通して、これにナット59を螺合させて、上本梁54に抵抗板4をそのフランジ板22において仮止めして、こうして、ボルト58とナット59との組み合わせにより上本梁54に抵抗板4を上方向Vに関しては可動である一方、横方向Hに関しては不動となるように仮止めする。
【0025】
この仮止め後、図9に示すように、ボルト45を緩めて、制震装置1の下本梁32への上方向に関しての不動となる仮止めを解除して、制震装置1を持ち上げ(上昇)可能にする。なお、この場合、ボルト45のナット46への螺合を解除することなしに、ボルト45を貫通孔17及び35に挿通したままとするのが好ましい。
【0026】
その後、図10に示すように、キャンバー33により形成された上板部34の上面61と底板15の下面62との間の隙間の両側部の夫々に、爪ジャッキ63の爪部64を夫々挿着して、爪ジャッキ63を作動させて、フランジ板22の上面53がフランジ板55の下面56に当接するまで、制震装置1全体を上本梁54のフランジ板55の下面56に向かって上昇させる。このようにキャンバー33により形成された隙間を用いて爪ジャッキ63により制震装置1を上昇させる代わりに、メガネレンチ等を用いてボルト58又はナット59を回転させ、これにより制震装置1を上昇させてもよい。制震装置1の上昇後、図11に示すように、ボルト58−ナット59を本締めして抵抗板4を上本梁54に固定(本固定)する。
【0027】
その後、図12に示すように、キャンバー33を隙間から除去した後に、爪ジャッキ63を逆に作動させて、爪部64を隙間から除去する。更に、ボルト37を緩めて仮止め治具36を介する抵抗板4の容器3への仮止めを解除して、容器3をその自重で、その底板15の下面62が下本梁32の上板部34の上面61に当接するまで下降させると共に、仮止め治具36の溶接等による抵抗板4への仮止めを溶断等により解除して、仮止め治具36を抵抗板4から除去する。ここで、容器3の下降は、ボルト45により案内されて行われる。
【0028】
容器3の下降後、ボルト45を除去して、図13に示すように、本締め用のボルト65を貫通孔17及び35に挿通して、ボルト65−ナット46を本締めして、容器3を下本梁32に固定(本固定)する。これにより、制震装置1の下本梁32と上本梁54との間への取り付けが完了する。
【0029】
以上の取り付け方法では、搬入トラックから直接に制震装置1を取り付けることができ、建築現場の地組みヤードで上本梁54に制震装置1を地組みする必要がなく、したがって、建築現場の敷地内に地組みヤードを設けることが困難であっても、制震装置1を節柱51及び52間等に配して、簡単に上下本梁54及び32間に取り付けることができる。
【0030】
以上の取り付け方法を上階の節柱51及び52間において同様に用いることにより、制震装置1を上階の上下本梁間にも簡単に取り付けることができる。
【0031】
なお、容器3内への粘性体2の充填は、上下本梁54及び32間に固定(本固定)された制震装置1に対して行ってもよく、これに代えて、予め工場で行ってもよく、更には、例えば、容器3をその自重で下降させる直前又は制震装置1を上下本梁54及び32間に固定(本固定)する直前に行ってもよい。
【0032】
【発明の効果】
本発明によれば、建築現場の敷地内に地組みヤードを設けることが困難であっても、制震装置を節柱間等に配して、上下水平部材間に取り付けることができる。
【図面の簡単な説明】
【図1】本発明による方法により取り付けられる制震装置の好ましい一実施例の斜視図である。
【図2】図1に示す例の正面断面図である。
【図3】図1に示す例の側面断面図である。
【図4】本発明の方法の好ましい一実施例の一工程の説明図である。
【図5】本発明の方法の好ましい一実施例の他の一工程の説明図である。
【図6】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図7】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図8】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図9】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図10】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図11】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図12】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【図13】本発明の方法の好ましい一実施例の更に他の一工程の説明図である。
【符号の説明】
1 制震装置
2 粘性体
3 容器
4 抵抗板
32 下本梁
54 上本梁
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method of attaching a vibration control device that damps vibration using viscous shear resistance between upper and lower horizontal members such as between upper and lower beams of a building and between upper and lower floors.
[0002]
[Problems to be solved by the invention]
Recently, in order to prevent damage to buildings due to an earthquake, the whole building is supported by a seismic isolation device so that earthquake vibrations are not transmitted to the building, and a vibration control device is incorporated in the walls of each floor of the building. On the other hand, a method for attenuating the vibration of the building due to the vibration of the earthquake has been proposed.
[0003]
In the latter case, when a damping device that attenuates vibration using viscous shear resistance is used as the damping device, the damping device itself is made of a wide, wide steel resistance plate and a steel that houses this resistance plate. Since the seismic control device is usually assembled in advance at a factory, etc., the pre-assembled seismic control device is brought into the construction site. Once the seismic control device is installed on the upper main beam, etc. at the ground yard, then the upper main beam on which the vibration control device is installed is lifted by a crane or the like and placed between the nodal pillars. Is adopted.
[0004]
By the way, if the occupied area of the building is about the same as the site area of the building site, it is difficult to provide a ground yard in the site. It is not possible to adopt a process that lays the ground on the upper main beam.
[0005]
The present invention has been made in view of the above points, and the object of the present invention is to provide a vibration control device between nodal pillars even if it is difficult to provide a ground yard in the site of a construction site. And providing a simple method that can be mounted between the upper and lower horizontal members.
[0006]
[Means for Solving the Problems]
A vibration control device comprising a container for containing a viscous body and a resistance plate arranged with a gap between the container and a part of the viscous body in the container is disposed above the lower horizontal member of the building. The method of attaching the vibration control device to the building of the present invention that is mounted between the horizontal member and the vibration control device, in which the resistance plate is temporarily fixed to the container so that the resistance plate is not separated from the container, is disposed in advance. A first step of placing on the lower horizontal member and temporarily fixing the lower horizontal member so that at least in the lateral direction does not move on the container side; A second step of disposing a horizontal member, and temporarily mounting the resistance plate to the disposed upper horizontal member so that the resistance plate is movable in the upward direction but not in the lateral direction; Raise the vibration control device toward the upper horizontal member. A third step of fixing the plate to the upper horizontal member, and then a fourth step of releasing the temporary fixing of the resistance plate to the container and lowering the container, and after lowering, fixing the container to the lower horizontal member. It comprises.
[0007]
In a preferred example of the present invention, in the first step, the vibration control device is placed on a previously formed lower horizontal member via a spacer, and in the third step, the lower horizontal member formed by the spacer. The vibration control device is raised using a gap between the upper surface of the container and the lower surface of the container. In this case, it is preferable to raise the vibration control device with a claw jack or the like interposed in the gap, since workability is improved.
[0008]
In another preferable example of the present invention, in the first step, the vibration control device is temporarily fixed to the lower horizontal member so as to be stationary in the upward direction, and in the third step, the vibration control device is moved to the lower horizontal member. The temporary stop which becomes immovable with respect to the upward direction is released, and the vibration control device is raised toward the upper horizontal member. In this way, if the vibration control device is temporarily fixed to the lower horizontal member so that it does not move in the upward direction in the first step, the vibration control device can be firmly fixed to the lower horizontal member, and the vibration control device can be immediately installed. Safety can be ensured, for example, when the upper and lower horizontal members cannot be fixed.
[0009]
In another preferred example of the present invention, the temporary fixing in at least one of the first step and the second step is performed using a bolt-nut combination, and the third step and the fourth step The fixing in at least one of the steps is similarly performed using a bolt-nut combination, and further, the temporary fixing in at least one of the first step and the second step is performed using the bolt-nut. The combination is used, and fixing in at least one of the third step and the fourth step is performed using the bolt-nut combination used in the temporary fixing. When temporary fixing and fixing are performed using a combination of bolts and nuts in this way, the temporary fixing, temporary fixing release and fixing can be easily performed by tightening and releasing the bolts and nuts, thus greatly improving workability. Can be made.
[0010]
In still another preferred embodiment of the present invention, the container is filled with the viscous material before the first step or before or after the fourth step. If the container is filled with a viscous material before the first step, this may be done at the factory, but if there is some space, this may be done at the construction site. If the viscous material is filled in the container before this step, the filling operation can be performed without difficulty, which is preferable from the viewpoint of facilitating the filling operation. When the container is filled with a viscous material before or after the fourth step, the risk of leakage of the viscous material during transportation or rainwater intrusion into the container is reduced. This is preferable from the viewpoint of preventing leakage of the viscous material.
[0011]
Furthermore, the vibration damping device of the present invention is for use in the above method, and is arranged with a container for accommodating the viscous material and a gap between the container and a part of the viscous material in the container. And a resistance plate to be buried.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Next, the present invention and its embodiments will be described in more detail based on preferred embodiments shown in the drawings. The present invention is not limited to these examples.
[0013]
【Example】
1 to 3, the vibration damping device 1 of the present example is arranged with a container 3 for accommodating the viscous body 2 and a gap between the container 3 and a part of the viscous body 2 in the container 3. And a resistance plate 4 to be buried.
[0014]
The viscous body 2 is made of polyisobutylene or the like, and is filled in a gap between the container 3 and the resistance plate 4 disposed in the container 3.
[0015]
The steel box-like container 3 is integrally provided with wide side plates 11 and 12 facing each other, narrow side plates 13 and 14 facing each other, and a bottom plate 15 fixed to each other by welding or the like. In addition, through holes 16 and 17 for inserting bolts are formed in the upper portions of the side plates 13 and 14 and the flange portion of the bottom plate 15.
[0016]
The steel resistance plate 4 includes a plate-shaped main body 21, a flange plate 22, and a plurality of reinforcing ribs 23 that are integrally fixed to each other by welding or the like. A through-hole 24 for inserting the bolt is formed. In the resistance plate 4, a plurality of plate-like main bodies 21 may be fixed to the flange plate 22 with their wide surfaces facing each other with a gap therebetween. Similarly to the main body 21, a plate inserted with a gap may be further fixed to the bottom plate 15 to form the container 3.
[0017]
The vibration control device 1 is a relative movement in the horizontal direction H of the resistance plate 4 with respect to the container 3, and a gap between each inner surface of the side plates 11 and 12 of the container 3 and each of the wide side surfaces of the resistance plate 4 facing this. The viscous body 2 interposed in the container is subjected to viscous shearing, and the relative shear energy in the horizontal direction H of the resistance plate 4 with respect to the container 3, and hence the seismic energy, is attenuated by the viscous shear resistance generated thereby.
[0018]
When attaching the vibration control device 1 as described above to a building, first, as shown in FIG. 4, concrete and the like are placed to form a floor slab 31, and on the floor slab 31 as a lower horizontal member. A lower main beam 32 made of a steel member such as H-shaped steel is laid, and a necessary number of steel cambers (spacers) 33 are placed on the lower main beam 32. An example of the thickness of the camber 33 can be about 14 mm to 16 mm, but is not limited thereto. In the upper plate portion 34 of the lower main beam 32, a through hole 35 for inserting a bolt is formed corresponding to the through hole 17 before or after laying.
[0019]
Next, the damping device 1 in which the resistance plate 4 is temporarily fixed to the container 3 by the temporary fixing jig 36 (see FIG. 5) so as not to separate the resistance plate 4 from the container 3 is carried into the construction site by a truck or the like. . The temporary fixing jig 36 is temporarily fixed to the resistance plate 4 on the one hand by welding or the like, and on the other hand, is temporarily fixed to the container 3 by a bolt 37 inserted through the through hole 16 and a nut screwed to the bolt 37. This prevents the resistance plate 4 from being separated from the container 3. The through hole 16 may be threaded and the bolts 37 may be screwed into the side plates 13 and 14 without using a nut. In this way, the temporary fixing jig 36 is temporarily fixed to the container 3, The temporary fixing can be easily released, which is preferable from the viewpoint of workability.
[0020]
A rope locking device 42 (see FIG. 5) is attached to the flange plate 22 of the vibration control device 1 placed on a truck or the like via a through hole 24 and a nut 41, and the rope 43 is hooked on the rope locking device 42. Then, the vibration control device 1 is lifted by a crane or the like via the rope 43 and placed on the lower main beam 32 arranged in advance via the camber 33 as shown in FIG. The rope locking device 42 may be previously installed at the factory without being installed at the construction site, and the rope 43 is directly locked to the through hole 24 without using the rope locking device 42. May be.
[0021]
Next, as shown in FIG. 6, a slightly long bolt 45 for temporary fixing is inserted into the through holes 17 and 35, and the bolt 45 is screwed into the nut 46 and temporarily tightened. Using the combination of the bolt 45 and the nut 46, the lower main beam 32 is temporarily fixed on the container 3 side so as not to move in the horizontal direction H and the vertical direction V, and the vibration control device 1 is subjected to the following installation process. Do not tip over. In this case, the vertical direction V may be temporarily fixed so as to be movable.
[0022]
After this temporary fixing, the rope locking device 42 and the rope 43 are removed, and then, as shown in FIG. 7, concrete or the like is placed on both sides of the vibration control device 1, or steel such as H-shaped steel is used. The nodal pillars 51 and 52 are erected using the above members. The node columns 51 and 52 may be erected before temporarily fixing the vibration control device 1 to the lower main beam 32, that is, with the lower main beam 32, or before or after the lower main beam 32 is laid. Good. Further, an upper main beam 54 made of a steel member such as H-shaped steel as an upper horizontal member is disposed so as to bridge the node columns 51 and 52 and away from the upper surface 53 of the flange plate 22.
[0023]
As the upper main beam 54 to be prepared before the above arrangement, as shown in the figure, two long and short steel members such as H-shaped steels are fixed to each other by means of welding or the like, or a single H-shaped steel or the like. It may be a steel member. The both ends of the upper main beam 54 are fixed to the node columns 51 and 52 by using a known means such as welding or anchor bolt driving. As an example of the distance between the upper surface 53 and the lower surface 56 of the flange plate 55 of the upper main beam 54, 4 mm to 6 mm can be given.
[0024]
After the upper main beam 54 is disposed, as shown in FIG. 8, the through hole 57 formed in advance in the flange plate 55 of the upper main beam 54 and the through hole 24 of the flange plate 22 corresponding to the through hole 24, A bolt 58 for final fastening (final fixing) is inserted, a nut 59 is screwed into this, and the resistance plate 4 is temporarily fixed to the upper main beam 54 at the flange plate 22. By combining with the nut 59, the resistance plate 4 is temporarily fixed to the upper main beam 54 so as to be movable in the upward direction V but not in the lateral direction H.
[0025]
After this temporary fixing, as shown in FIG. 9, the bolt 45 is loosened to release the temporary fixing to the lower main beam 32 of the vibration damping device 1 in the upward direction, and the vibration damping device 1 is lifted ( Ascend) possible. In this case, it is preferable to keep the bolt 45 inserted into the through holes 17 and 35 without releasing the screw 45 from the nut 46.
[0026]
Thereafter, as shown in FIG. 10, the claw portions 64 of the claw jack 63 are respectively inserted into both side portions of the gap between the upper surface 61 of the upper plate portion 34 formed by the camber 33 and the lower surface 62 of the bottom plate 15. Then, the claw jack 63 is operated to move the entire damping device 1 toward the lower surface 56 of the flange plate 55 of the upper main beam 54 until the upper surface 53 of the flange plate 22 contacts the lower surface 56 of the flange plate 55. Raise. In this way, instead of using the claw jack 63 to raise the vibration control device 1 using the gap formed by the camber 33, the bolt 58 or the nut 59 is rotated using a spectacle wrench or the like, thereby raising the vibration control device 1. You may let them. After the damping device 1 is lifted, as shown in FIG. 11, the bolt 58 and the nut 59 are finally tightened to fix the resistance plate 4 to the upper main beam 54 (main fixing).
[0027]
Thereafter, as shown in FIG. 12, after removing the camber 33 from the gap, the claw jack 63 is operated in reverse to remove the claw portion 64 from the gap. Further, the bolt 37 is loosened to release the temporary fixing of the resistance plate 4 to the container 3 via the temporary fixing jig 36, the container 3 is under its own weight, and the lower surface 62 of the bottom plate 15 is the upper plate of the lower main beam 32. While being lowered until it comes into contact with the upper surface 61 of the portion 34, the temporary fixing to the resistance plate 4 by welding or the like of the temporary fixing jig 36 is released by fusing or the like, and the temporary fixing jig 36 is removed from the resistance plate 4. Here, the container 3 is lowered while being guided by the bolt 45.
[0028]
After the container 3 is lowered, the bolt 45 is removed, and a bolt 65 for final fastening is inserted into the through holes 17 and 35 as shown in FIG. Is fixed (mainly fixed) to the lower main beam 32. Thereby, the attachment between the lower main beam 32 and the upper main beam 54 of the damping device 1 is completed.
[0029]
With the above mounting method, the vibration control device 1 can be mounted directly from the carry-in truck, and it is not necessary to lay the vibration control device 1 on the upper main beam 54 in the building site yard. Even if it is difficult to provide a ground yard in the site, the vibration control device 1 can be easily installed between the upper and lower main beams 54 and 32 by arranging the vibration control device 1 between the node columns 51 and 52.
[0030]
By using the above attachment method in the same manner between the upper columnar columns 51 and 52, the vibration control device 1 can be easily attached between the upper and lower main beams.
[0031]
In addition, the filling of the viscous body 2 into the container 3 may be performed on the vibration control device 1 fixed (mainly fixed) between the upper and lower main beams 54 and 32, or instead in advance at a factory. Further, for example, it may be performed immediately before the container 3 is lowered by its own weight or immediately before the vibration damping device 1 is fixed (fixed) between the upper and lower main beams 54 and 32.
[0032]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, even if it is difficult to provide a grounding yard in the site of a construction site, a damping device can be arrange | positioned between node pillars etc., and it can attach between an up-and-down horizontal member.
[Brief description of the drawings]
FIG. 1 is a perspective view of a preferred embodiment of a damping device installed by the method according to the invention.
FIG. 2 is a front sectional view of the example shown in FIG.
FIG. 3 is a side sectional view of the example shown in FIG. 1;
FIG. 4 is an illustration of one step in a preferred embodiment of the method of the present invention.
FIG. 5 is an explanatory diagram of another step in a preferred embodiment of the method of the present invention.
FIG. 6 is an explanatory view of still another step of a preferred embodiment of the method of the present invention.
FIG. 7 is an explanatory view of still another step of a preferred embodiment of the method of the present invention.
FIG. 8 is an explanatory diagram of still another step of a preferred embodiment of the method of the present invention.
FIG. 9 is an explanatory view of still another step of a preferred embodiment of the method of the present invention.
FIG. 10 is an explanatory diagram of still another step of a preferred embodiment of the method of the present invention.
FIG. 11 is an explanatory view of still another step of a preferred embodiment of the method of the present invention.
FIG. 12 is an explanatory view of still another step of a preferred embodiment of the method of the present invention.
FIG. 13 is an explanatory diagram of still another step of a preferred embodiment of the method of the present invention.
[Explanation of symbols]
1 Seismic control device 2 Viscous material 3 Container 4 Resistance plate 32 Lower main beam 54 Upper main beam

Claims (7)

粘性体を収容するための容器と、この容器と隙間をもって配されると共に、容器内の粘性体に一部が埋没される抵抗板とを具備した制震装置を建築物の下水平部材と上水平部材との間に取り付ける方法であって、
容器から抵抗板が分離しないように容器に抵抗板が仮止めされた制震装置を、予め配設された下水平部材上に載置して、その容器側において下水平部材に少なくとも横方向に関しては不動となるように仮止めする第一の工程と、
この仮止め後、抵抗板から上方に離れて上水平部材を配設し、この配設した上水平部材に抵抗板を上方向に関しては可動である一方、横方向に関しては不動となるように仮止めする第二の工程と、
この仮止め後、制震装置を上水平部材に向かって上昇させて、上昇後、抵抗板を上水平部材に固定する第三の工程と、
その後、抵抗板の容器への仮止めを解除して容器を下降させて、下降後、容器を下水平部材に固定する第四の工程と、
を具備した建築物への制震装置の取り付け方法。
A vibration control device comprising a container for containing a viscous body and a resistance plate arranged with a gap between the container and a part of the viscous body in the container is disposed above the lower horizontal member of the building. It is a method of attaching between horizontal members,
A damping device having a resistance plate temporarily fixed to the container so that the resistance plate is not separated from the container is placed on a lower horizontal member arranged in advance, and at least the lateral direction on the lower horizontal member on the container side. Is the first step to temporarily fix it to be stationary,
After the temporary fixing, an upper horizontal member is disposed away from the resistance plate, and the resistance plate is movable on the upper horizontal member in the upward direction, but temporarily fixed in the horizontal direction. A second step to stop,
After this temporary fixing, the third step of raising the damping device toward the upper horizontal member, and after raising, fixing the resistance plate to the upper horizontal member;
Thereafter, the temporary fixing of the resistance plate to the container is released, the container is lowered, and after the lowering, a fourth step of fixing the container to the lower horizontal member,
A method of attaching a vibration control device to a building equipped with
第一の工程では、制震装置を、予め形成された下水平部材上に、スペーサを介して載置し、第三の工程では、スペーサにより形成された下水平部材の上面と容器の下面との間の隙間を用いて制震装置を上昇させる請求項1に記載の建築物への制震装置の取り付け方法。  In the first step, the vibration damping device is placed on a previously formed lower horizontal member via a spacer, and in the third step, the upper surface of the lower horizontal member formed by the spacer, the lower surface of the container, The method of attaching a vibration control device to a building according to claim 1, wherein the vibration control device is raised using a gap between the two. 第一の工程では、上方向に関しても不動となるように制震装置を下水平部材に仮止めし、第三の工程では、制震装置の下水平部材への上方向に関して不動となる仮止めを解除して、制震装置を上水平部材に向かって上昇させる請求項1又は2に記載の建築物への制震装置の取り付け方法。  In the first step, the seismic control device is temporarily fixed to the lower horizontal member so as not to move in the upward direction, and in the third step, the temporary control that is fixed in the upper direction to the lower horizontal member of the vibration control device is fixed. The method for attaching the vibration control device to the building according to claim 1, wherein the vibration control device is lifted toward the upper horizontal member. 第一の工程及び第二の工程の少なくとも一方の工程での仮止めを、ボルト−ナットの組み合わせを用いて行う請求項1から3のいずれか一項に記載の建築物への制震装置の取り付け方法。  The temporary control in at least one of the first step and the second step is performed using a bolt-nut combination of the vibration control device for a building according to any one of claims 1 to 3. installation method. 第三の工程及び第四の工程の少なくとも一方の工程での固定を、ボルト−ナットの組み合わせを用いて行う請求項1から4のいずれか一項に記載の建築物への制震装置の取り付け方法。  The attachment of the vibration control device to the building according to any one of claims 1 to 4, wherein fixing in at least one of the third step and the fourth step is performed using a bolt-nut combination. Method. 第一の工程及び第二の工程の少なくとも一方の工程での仮止めを、ボルト−ナットの組み合わせを用いて行い、第三の工程及び第四の工程の少なくとも一方の工程での固定を、仮止めにおいて用いたボルト−ナットの組み合わせを用いて行う請求項5に記載の建築物への制震装置の取り付け方法。  Temporary fixing in at least one of the first step and the second step is performed using a bolt-nut combination, and fixing in at least one of the third step and the fourth step is temporarily performed. The method for attaching a vibration control device to a building according to claim 5, wherein the bolt-nut combination used in the fastening is used. 第一の工程以前に又は第四の工程以前若しくは第四の工程の後に、容器内に粘性体を充填する請求項1から6のいずれか一項に記載の建築物への制震装置の取り付け方法。  The attachment of the vibration control device to the building according to any one of claims 1 to 6, wherein the container is filled with a viscous body before the first step or before or after the fourth step. Method.
JP03424398A 1998-01-30 1998-01-30 Attaching the vibration control device to the building Expired - Lifetime JP3829458B2 (en)

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