JPH1150688A - Vibration control building - Google Patents

Vibration control building

Info

Publication number
JPH1150688A
JPH1150688A JP20809697A JP20809697A JPH1150688A JP H1150688 A JPH1150688 A JP H1150688A JP 20809697 A JP20809697 A JP 20809697A JP 20809697 A JP20809697 A JP 20809697A JP H1150688 A JPH1150688 A JP H1150688A
Authority
JP
Japan
Prior art keywords
core
building
general frame
damping
section
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.)
Granted
Application number
JP20809697A
Other languages
Japanese (ja)
Other versions
JP3677703B2 (en
Inventor
Kazuhiko Isoda
和彦 磯田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimizu Construction Co Ltd
Shimizu Corp
Original Assignee
Shimizu Construction Co Ltd
Shimizu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimizu Construction Co Ltd, Shimizu Corp filed Critical Shimizu Construction Co Ltd
Priority to JP20809697A priority Critical patent/JP3677703B2/en
Publication of JPH1150688A publication Critical patent/JPH1150688A/en
Application granted granted Critical
Publication of JP3677703B2 publication Critical patent/JP3677703B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To decrease the size of a dead space by providing a core section in the center of a building and a general frame section in the surrounding thereof, arranging expansion joints in the boundary between the core section and the general frame section, and connecting the core section and the general frame section through an attenuation mechanism. SOLUTION: A core section 2 is provided in the center of the horizontal cross section of the building and a general frame section 3 is provided in the surrounding thereof. And then expansion joints 7 permitting horizontal relative displacement are arranged in the boundary between the core section 2 and the general frame section 3. And the core section 2 is formed of a core wall 2a, and the core wall 2a and the frame section 3 are connected with dampers 16 that absorb relative displacement. Tensile strength is given to a column 6 by inserting a PC steel wire 20 into the column 6. As the core section 2 has a high natural frequency and the frame section 3 has a low natural frequency, vibration of a building 1 is decreased by connecting the dampers 16. In addition, the relative deformation of the core section 2 and the frame section 3 is given to the dampers 16, thereby preventing joints from getting exposed and minimizing waterproofing.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、建物の水平断面の
中心部にコア部を有する制振建物に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a damping building having a core at the center of a horizontal section of the building.

【0002】[0002]

【従来の技術】近年、地震力を低減して耐震性能の向上
を図った制振建物が開発されている。これは、振動特性
の異なる構造物の間に減衰機構(ダンパ)を入れ、減衰
機構により地震エネルギを吸収して、建物の振動を低減
しようとするものである。
2. Description of the Related Art In recent years, damping buildings have been developed in which seismic force is reduced to improve seismic performance. In this method, a damping mechanism (damper) is inserted between structures having different vibration characteristics, and the damping mechanism absorbs seismic energy to reduce the vibration of the building.

【0003】一般的な制振建物では、上下階の間にダン
パを介在させ、層間変位に応じて地震エネルギを吸収す
るようにしている。しかし、RC系の建物の場合、層間
変位が小さいため、上下階の間にダンパを配置しても、
振動低減効果が上らないという問題があった。
[0003] In a general damping building, a damper is interposed between upper and lower floors to absorb seismic energy according to the displacement between layers. However, in the case of RC buildings, the interlayer displacement is small, so even if dampers are placed between the upper and lower floors,
There was a problem that the vibration reduction effect was not improved.

【0004】そこで、図7に示すような制振構造物が開
発されている。図(a)は側面図、図(b)は(a)の
VII−VII矢視断面図である。これは特開平8−7
4442号公報に記載されたもので、コア部101と外
周柱102とそれらを連結するハットトラス等の水平架
構103とで主架構110を構成し、その主架構110
の中に、エキスパンションジョイント(相対変位を可能
にする空隙)112を介して副架構(図中メッシュを施
した部分)120を配置し、主架構110と副架構12
0とをダンパ130で連結している。
Therefore, a vibration damping structure as shown in FIG. 7 has been developed. (A) is a side view, and (b) is a cross-sectional view taken along the line VII-VII of (a). This is disclosed in JP-A-8-7
The main frame 110 is composed of a core portion 101, an outer peripheral column 102, and a horizontal frame 103 such as a hat truss connecting the core portion 101 and the main frame 110.
, A sub-frame (portion where a mesh is provided in the figure) 120 is arranged via an expansion joint (a gap allowing relative displacement) 112, and a main frame 110 and a sub-frame 12 are arranged.
0 is connected by a damper 130.

【0005】[0005]

【発明が解決しようとする課題】しかし、この制振構造
物の場合、ハットトラス等の水平架構が必要である上、
主架構の構成要素である各外周柱と、副架構との間にエ
キスパンションジョイントを配置しなくてはならないた
め、建物の水平断面のデッドスペースが増大するという
問題があった。また、屋根や外壁等にエキスパンション
ジョイントが露出するため、その可動部分に対する雨仕
舞いや防水対策を講じなくてはならなかった。
However, this damping structure requires a horizontal frame such as a hat truss,
Since an expansion joint must be arranged between each of the outer pillars, which are components of the main frame, and the subframe, there is a problem that a dead space in a horizontal section of the building increases. In addition, since the expansion joint is exposed on the roof, the outer wall, and the like, it is necessary to take measures against rain and waterproofing of the movable part.

【0006】本発明は、上記事情を考慮し、ハットトラ
ス等の水平架構が不要で、エキスパンションジョイント
のためのデッドスペースも少なくでき、しかも可動部分
に対する雨仕舞いや防水対策も最小限に抑えることので
きる制振建物を提供することを目的とする。
In view of the above circumstances, the present invention does not require a horizontal frame such as a hat truss, can reduce a dead space for an expansion joint, and minimizes rain breaks and waterproof measures for movable parts. The purpose is to provide a damping building that can be used.

【0007】[0007]

【課題を解決するための手段】請求項1の発明は、建物
の水平断面の中心部に剛性大且つ重量小なる筒状のコア
部が立設され、その周囲に、外周柱を備えると共に前記
コア部より剛性小且つ重量大なる一般架構部が立設さ
れ、コア部と一般架構部との境界に両者の水平方向の相
対変位を許容するエキスパンションジョイントが配され
ると共に、コア部と一般架構部とが、両者間の水平方向
の相対変位を吸収する減衰機構を介して連結されている
ことを特徴とする。
According to a first aspect of the present invention, a rigid, large and small cylindrical core portion is erected at the center of a horizontal section of a building, and an outer peripheral column is provided around the core portion. A general frame part having rigidity smaller and heavier than the core part is erected, and an expansion joint allowing horizontal relative displacement between the core part and the general frame part is arranged at a boundary between the core part and the general frame part. The parts are connected via a damping mechanism that absorbs a horizontal relative displacement between them.

【0008】請求項2の発明は、請求項1において、前
記コア部に一般架構部の各階の重量の一部を受ける受部
が設けられ、該受部に、一般架構部の各階構造材が、水
平変位を許容する支承体を介して支持されていることを
特徴とする。
According to a second aspect of the present invention, in the first aspect, a receiving portion for receiving a part of the weight of each floor of the general frame portion is provided in the core portion, and each floor structural material of the general frame portion is provided in the receiving portion. , And is supported via a bearing that allows horizontal displacement.

【0009】請求項3の発明は、請求項2において、前
記支承体の少なくとも一部に減衰機能を持つ粘弾性体が
採用され、該粘弾性体が前記減衰機構の少なくとも一部
に相当することを特徴とする。請求項4の発明は、請求
項3において、粘弾性体として積層ゴムを採用したこと
を特徴とする。
According to a third aspect of the present invention, in the second aspect, a viscoelastic body having a damping function is employed in at least a part of the support, and the viscoelastic body corresponds to at least a part of the damping mechanism. It is characterized by. According to a fourth aspect of the present invention, in the third aspect, a laminated rubber is employed as the viscoelastic body.

【0010】請求項5の発明は、請求項1〜4のいずれ
かにおいて、前記一般架構部が、建物の外周に列設され
た前記外周柱と、コア部寄りの内周部にコア部を取り巻
くように列設されたコア周囲柱とを備え、各階荷重がこ
れら外周柱とコア周囲柱とで支持されていることを特徴
とする。
According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the general frame portion includes the outer peripheral pillars arranged in a row on the outer periphery of the building and a core portion on an inner peripheral portion near the core portion. Core peripheral columns arranged in a row so as to surround each other, and each floor load is supported by these outer peripheral columns and the core peripheral columns.

【0011】請求項6の発明は、請求項5において、前
記コア部に反力を取って前記コア周囲柱に上方から引っ
張り緊張力を与えることにより、コア周囲柱の軸力の一
部をコア部で負担したことを特徴とする。
According to a sixth aspect of the present invention, in the fifth aspect, a part of the axial force of the core peripheral post is applied to the core peripheral post by applying a reaction force to the core portion to apply tension from above to the core peripheral post. It is characterized by being paid by the department.

【0012】請求項7の発明は、請求項1〜6のいずれ
かにおいて、前記コア部に、ダンパとして機能する境界
梁を設けたことを特徴とする。
According to a seventh aspect of the present invention, in any one of the first to sixth aspects, the core portion is provided with a boundary beam functioning as a damper.

【0013】[0013]

【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて説明する。図1は実施形態の制振建物(30階
余の高層の建物)の全体構成を示す側断面図、図2は同
建物の水平断面図である。また、図3は図2のコア部の
拡大図、図4はコア部と一般架構部の境界部分の拡大側
断面図である。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side sectional view showing an entire configuration of a vibration damping building (a high-rise building with more than 30 floors) according to the embodiment, and FIG. 2 is a horizontal sectional view of the building. FIG. 3 is an enlarged view of the core portion in FIG. 2, and FIG. 4 is an enlarged side sectional view of a boundary portion between the core portion and a general frame portion.

【0014】この制振建物1では、建物の水平断面の中
心部に剛性大且つ重量小なる筒状のコア部2が立設さ
れ、その周囲にコア部2より剛性小且つ重量大なる一般
架構部3が立設され、コア部2と一般架構部3との境界
に両者の水平方向の相対変位を許容するエキスパンショ
ンジョイント(空き寸法50〜100mm程度)7が配
されている。エキスパンションジョイント7は、最下階
と最上階屋根に挟まれた中間階の全部に設けられてい
る。ただし、必ずしも中間階の全てに設ける必要はな
く、いくつかの階ではコア部2と一般架構部3を接続し
ておいてもよい。
In this vibration-damping building 1, a cylindrical core 2 having a large rigidity and a small weight is erected at the center of the horizontal section of the building, and a general frame having a smaller rigidity and a larger weight than the core 2 is provided around the core. The portion 3 is erected, and an expansion joint (empty dimension of about 50 to 100 mm) 7 is provided at the boundary between the core portion 2 and the general frame portion 3 to allow relative displacement in the horizontal direction. The expansion joints 7 are provided on all the middle floors sandwiched between the lowest floor and the top floor roof. However, the core section 2 and the general frame section 3 may not necessarily be provided on all intermediate floors, and may be connected on some floors.

【0015】コア部2は、剛性の大きいRC壁やブレー
ス架構からなる矩形筒状のコアウォール2aで構成され
ており、コアウォール2aと一般架構部3とは、両者間
の水平方向の相対変位を吸収するダンパ(減衰機構)を
介して連結されている。ここでは、図4に示す積層ゴム
式ダンパ16が利用されている。
The core portion 2 is composed of a rectangular tubular core wall 2a formed of a rigid RC wall or a brace frame, and the relative displacement of the core wall 2a and the general frame portion 3 in the horizontal direction therebetween. Is connected via a damper (damping mechanism) that absorbs the pressure. Here, a laminated rubber damper 16 shown in FIG. 4 is used.

【0016】一般架構部3は、オフィスの執務スペース
や住宅の居住スペースを確保する部分であり、剛性の小
さいラーメン架構等で構成され、建物の外周に列設され
た外周柱4と、コア部2寄りの内周部にコア部2を取り
巻くように列設されたコア周囲柱6と、外周梁8(図2
参照)とを備えている。そして、各階のスラブ5の荷重
を、これら外周柱4とコア周囲柱6と外周梁8とで支持
している。なお、建物の外周柱4は、鉄骨造、CFT
(充填鋼管コンクリート)、SRC造、またはRC造と
し、外周梁8は鉄骨梁、SRC梁、またはRC梁とす
る。
The general frame portion 3 is a portion for securing an office work space and a living space in a house. The general frame portion 3 is constituted by a rigid rigid frame frame or the like, and has an outer peripheral column 4 arranged in a row on the outer periphery of the building, and a core portion. 2 and an outer peripheral beam 8 (FIG. 2).
See). The load of the slab 5 on each floor is supported by the outer peripheral columns 4, the core peripheral columns 6, and the outer peripheral beams 8. The outer pillar 4 of the building is made of steel, CFT
(Filled steel pipe concrete), SRC structure, or RC structure, and the outer peripheral beam 8 is a steel beam, SRC beam, or RC beam.

【0017】図4に示すように、コア部2には、一般架
構部3の各階の重量の一部を受ける受部13が設けら
れ、この受部12に、一般架構部3の各階スラブ(各階
構造材)5の端部(梁がある場合は梁の端部でもよい)
が、水平変位を許容する滑り支承(支承体)15及び積
層ゴム式ダンパ(支承体の一つ)16を介して支持され
ている。滑り支承15は、受部12側のプレート13と
スラブ5側のプレート14間に挟まれている。また、積
層ゴム式ダンパ16は、スラブ5側のプレート17a
と、受部12側のプレート17bとを交互に配置し、プ
レート17a、17b間に粘弾性ゴム19を挟んだ構成
とされている。18は、プレート17aの間隔を適当に
保つためのフィラープレートである。
As shown in FIG. 4, the core portion 2 is provided with a receiving portion 13 for receiving a part of the weight of each floor of the general frame portion 3, and the receiving portion 12 is provided with a slab (floor) of each floor of the general frame portion 3. End of each floor structure material) 5 (if there is a beam, it may be the end of the beam)
Are supported via a sliding bearing (supporting body) 15 that allows horizontal displacement and a laminated rubber damper (one of the supporting bodies) 16. The sliding bearing 15 is sandwiched between the plate 13 on the receiving portion 12 side and the plate 14 on the slab 5 side. The laminated rubber damper 16 is provided on the plate 17a on the slab 5 side.
And the plates 17b on the receiving portion 12 side are alternately arranged, and the viscoelastic rubber 19 is sandwiched between the plates 17a and 17b. Reference numeral 18 denotes a filler plate for appropriately maintaining the interval between the plates 17a.

【0018】なお、滑り支承15の代わりに転がり支承
や高減衰積層ゴム支承を用いても勿論よい。高減衰積層
ゴムを用いた場合にはそれ自身がダンパ機能をもつた
め、ダンパ16を省略できる。また、ダンパ16はエキ
スパンションジョイント7を設けた全ての階に設ける必
要はなく、一部の階のみ設置してもよい。
It is a matter of course that a rolling bearing or a high damping laminated rubber bearing may be used instead of the sliding bearing 15. When high-damping laminated rubber is used, the damper 16 itself can be omitted because the rubber itself has a damper function. The dampers 16 need not be provided on all floors where the expansion joint 7 is provided, but may be provided only on some floors.

【0019】また、図1に示すように、コア周囲柱6に
は、10階レベルに下端の定着をとったPC鋼線20が
挿入されており、躯体構築後に、建物頂部でコア部2を
反力にしてコア周囲柱6に引張り緊張力(上向き引き上
げ力のプレストレス)が与えられている。それにより、
コア周囲柱6の軸力の一部をコア部2により負担してい
る。コア部2での負担の度合いは、一般架構部3の荷重
や支配面積に応じて決めることができる。なお、この場
合の緊張力はコア周囲柱6の軸力を大きく超えないよう
設定する。
As shown in FIG. 1, a PC steel wire 20 having a lower end fixed at the 10th floor level is inserted into the core surrounding pillar 6, and after the skeleton is constructed, the core 2 is attached to the top of the building. Tensile tension (prestress of upward pulling force) is applied to the core peripheral column 6 as a reaction force. Thereby,
A part of the axial force of the core peripheral column 6 is borne by the core portion 2. The degree of the burden on the core portion 2 can be determined according to the load and the dominant area of the general frame portion 3. In this case, the tension is set so as not to greatly exceed the axial force of the column 6 around the core.

【0020】また、コア部2を構成するコアウォール2
aには、出入口等の開口10を利用して、地震時にダン
パ機能を果たす境界梁11が形成されており、この境界
梁11を低降伏点鋼材で構成することにより、地震時の
エネルギ吸収効果を更に高めることができる。
The core wall 2 constituting the core 2
A boundary beam 11 which functions as a damper at the time of an earthquake is formed in the a by using an opening 10 such as an entrance and the like. The energy absorption effect at the time of an earthquake is formed by forming the boundary beam 11 with a low yield point steel material. Can be further increased.

【0021】この制振建物1においては、コア部2は剛
性が大きく重量が小さいため固有振動数が高く、一般架
構部3は剛性が小さく重量が大きいため固有振動数が低
い。従って、これら振動性能の異なる両者がダンパ16
を介して連結されていることにより、建物1の振動を低
減することができる。特に、同一階に、異なる振動性状
を持つ架構が混在することになるので、上下階間にダン
パを設置した場合と比較して、大きな相対変位を取り出
すことができ、地震エネルギを効率よく吸収して、建物
の振動を低減することができる。
In the vibration damping building 1, the core 2 has a high rigidity and a small weight, so that the natural frequency is high, and the general frame 3 has a low rigidity and a large weight, so that the natural frequency is low. Therefore, these two members having different vibration performances are different from each other.
, The vibration of the building 1 can be reduced. In particular, because frames with different vibration properties are mixed on the same floor, a large relative displacement can be taken out compared to the case where dampers are installed between the upper and lower floors, and seismic energy can be absorbed efficiently. Thus, the vibration of the building can be reduced.

【0022】また、曲げ変形の卓越するコア部2と、せ
ん断変形の卓越する一般架構部3との相対変形がダンパ
16に与えられることになるから、十分な減衰性能を発
揮できるようになる。よって、一般架構部3に要求され
る剛性や耐力が小さくてすむことになり、梁成を小さく
したり、梁を無くしてフラットプレート構造とすること
もできる。その結果、梁による建築計画上及び設備計画
上の制約がなくなり、階高の圧縮が可能となる。これ
は、高さ制限のある地域で容積率を稼ぎたい場合や、日
影制限、斜線制限のある地区で所定の階数を収納する場
合には極めて有効な手段であり、コストダウンにも貢献
できる。また、一般架構部3に作用する地震力が小さく
なることで、一般架構部3の柱の本数や柱の断面も減少
でき、建築計画上での自由度の拡大も図れる。
Further, since the relative deformation between the core portion 2 where bending deformation is dominant and the general frame portion 3 where shear deformation is dominant is given to the damper 16, sufficient damping performance can be exhibited. Therefore, the rigidity and proof strength required for the general frame portion 3 can be small, and the beam structure can be reduced or the beam can be eliminated to form a flat plate structure. As a result, there are no restrictions on the architectural plan and the facility plan due to the beams, and the floor height can be reduced. This is an extremely effective means when it is desired to earn a floor area ratio in an area with height restrictions or when storing a predetermined number of floors in an area with sunshine restrictions and oblique line restrictions, and can also contribute to cost reduction. . In addition, since the seismic force acting on the general frame 3 is reduced, the number of columns and the cross section of the columns of the general frame 3 can be reduced, and the degree of freedom in building planning can be increased.

【0023】図5及び図6は従来例と本発明を比較して
示す特性図である。これらの図に示すように、コア部2
と一般架構部3とを分離して両者をダンパ16で連結し
た本発明の場合、最大応答加速度及び最大応答層剪断力
が従来に比して大幅に低減された。特に、最大応答加速
度は中〜高層階では半減する結果が得られた。これによ
り、建物自身の被害が小さくなるばかりか、家具や什器
備品の転倒落下といった被害も防止することが可能とな
り、住人の不安感の低減や居住性の向上が図れるように
なる。なお、風荷重に対しても、従来の架構形式に比較
してダンパーによる減衰が大きいため、居住性の向上が
図れる。
FIGS. 5 and 6 are characteristic diagrams showing a comparison between the conventional example and the present invention. As shown in these figures, the core 2
In the case of the present invention in which the main frame 3 and the general frame portion 3 are separated from each other and connected by the damper 16, the maximum response acceleration and the maximum response layer shearing force are greatly reduced as compared with the related art. In particular, a result was obtained in which the maximum response acceleration was halved on the middle to high floors. As a result, not only the damage to the building itself is reduced, but also damage such as falling of furniture and furniture and fixtures can be prevented, so that anxiety of residents and improvement of livability can be achieved. It should be noted that the damping of the wind load by the damper is greater than that of the conventional frame type, so that the comfort can be improved.

【0024】また、上記の制振建物1では、外壁に可動
部分(エキスパンションジョイント7)が露出しないた
め、雨仕舞や防水仕上げの問題が生じなくなる。また、
最上階でコア部2と一般架構部3を一体化しても制振効
果はほとんど変化しないことから、屋根にも可動部分が
不要となり、雨仕舞や防水仕上げの問題が生じなくな
る。従って、建物の信頼性や耐久性を向上させることが
できる。
Further, in the above-mentioned vibration damping building 1, since the movable portion (expansion joint 7) is not exposed on the outer wall, the problem of rain break or waterproof finish does not occur. Also,
Even if the core section 2 and the general frame section 3 are integrated on the top floor, the vibration-damping effect hardly changes, so that no movable part is required on the roof, and the problem of rain break and waterproof finish does not occur. Therefore, the reliability and durability of the building can be improved.

【0025】また、ハットトラスがなくても十分な制振
効果を発揮できるため、ハットトラスのないシンプルで
ローコストな建築計画を立てることも可能になる。ま
た、ハットトラスが不要なことで、日影規制や道路斜線
制限のある場合にも法定内で建築空間を有効に活用する
計画を立てられる。
Further, since a sufficient vibration damping effect can be exhibited without a hat truss, a simple and low-cost building plan without a hat truss can be made. In addition, the elimination of a hat truss makes it possible to plan the effective use of the building space within the statutory law even when there are shading restrictions and road diagonal restrictions.

【0026】更に、外周柱4を一般架構部3に組み込
み、コア部2と一般架構部3との境界のみにエキスパン
ションジョイント7を配しているので、エキスパンショ
ンジョイント7によるデッドスペースの増大を最小限に
抑えることができる。即ち、コア部2以外には、一般架
構部3を貫く鉛直架構がなくなることから、この部分で
の床開口や可動対策や防火区画対策が不要となり、建築
計画上の制約が小さくなると共に、コストダウンにもな
る。
Furthermore, since the outer peripheral column 4 is incorporated in the general frame 3 and the expansion joint 7 is disposed only at the boundary between the core 2 and the general frame 3, the increase in the dead space due to the expansion joint 7 is minimized. Can be suppressed. That is, since there is no vertical frame that penetrates the general frame 3 except for the core 2, the floor opening, movable measures and fire prevention measures are not required at this part, and the restrictions on the architectural plan are reduced and the cost is reduced. It goes down.

【0027】また、コア部2で一般架構部3の荷重の一
部を負担することにより、コア部2の転倒モーメントを
低減することができる。従って、アスペクト比(建物幅
に対する高さの比)の大きい建物で、従来ならば設計し
がたいような、いわゆるスレンダーで細長い建物でも、
合理的な設計を進めることができる。勿論、曲げ変形が
卓越する建物以外にも適用可能で、ずんぐりとしたアス
ペクト比の大きくない建物や柱が多い建物にも適用する
ことができる。
In addition, since the core portion 2 bears part of the load of the general frame portion 3, the overturning moment of the core portion 2 can be reduced. Therefore, even a building with a large aspect ratio (ratio of height to building width), a so-called slender and elongated building that would be difficult to design in the past,
We can proceed with rational design. Of course, the present invention can be applied to a building other than a building where bending deformation is predominant, and can also be applied to a squat building having a small aspect ratio or a building having many columns.

【0028】また、免震工法とは異なり、コア部2も一
般架構部3の基礎と一体化することができるので、設備
配管のために特殊なフレキシブルジョイントやボールジ
ョイントが不要となる。因みにコア部2と一般架構部3
に跨がるダクト等の配管は、弛ませる程度で対処でき
る。また、免震工法で使用する免震ピット階や免震クリ
アランスも不要になるために、矮小な敷地や基礎の一部
に浮き上がりを生じるような建物に対しても本発明は有
効性を発揮できる。
Also, unlike the seismic isolation method, the core portion 2 can be integrated with the base of the general frame portion 3, so that a special flexible joint or a ball joint is not required for equipment piping. By the way, core part 2 and general frame part 3
Pipes such as ducts that straddle can be dealt with only by loosening. In addition, since the seismic isolation pit floor and seismic isolation clearance used in the seismic isolation method are not required, the present invention can be effectively applied to dwarf sites and buildings where a part of the foundation rises. .

【0029】なお、一般架構部3の外周柱4と外周梁8
でチューブ架構を構成するので、建物の剪断変形とねじ
れに対する耐力と剛性の向上が可能である。また、外周
梁8はスラブに内蔵させ、フラットスラブ形式とするこ
ともできる。
The outer column 4 and the outer beam 8 of the general frame 3
Since the tube frame is constituted by the above, it is possible to improve the strength and rigidity against shear deformation and torsion of the building. Further, the outer peripheral beam 8 may be built in a slab and may be of a flat slab type.

【0030】また、上記のように支承体の一つとして積
層ゴム式ダンパ16を使用した場合は、それ以外にダン
パ(減衰機構)を設ける必要はないが、より減衰性能を
高めるために、別の箇所に、同種あるいは別種のダンパ
を付加してもよい。また、別の箇所にダンパを設ける場
合は、図4の位置の積層ゴム式ダンパ16を省略しても
よい。また、ダンパとしては、オイルダンパ等の粘性
系、SAVEダンパや高減衰ゴム等の粘弾性体系、鋼材
や鉛ダンパ等の履歴系、あるいは鉛入り積層ゴム等があ
り、これらの中から1種類または複数種類のダンパを選
定し、ねじりを生じないように適切に配置すればよい。
When the laminated rubber damper 16 is used as one of the support members as described above, it is not necessary to provide a damper (damping mechanism) in addition to the damper. A similar or different type of damper may be added to the location. When a damper is provided at another location, the laminated rubber damper 16 at the position shown in FIG. 4 may be omitted. Examples of the damper include a viscous system such as an oil damper, a viscoelastic system such as a SAVE damper and a high damping rubber, a hysteretic system such as a steel material and a lead damper, and a laminated rubber containing lead. A plurality of types of dampers may be selected and appropriately arranged so as not to cause twisting.

【0031】[0031]

【発明の効果】以上説明したように、請求項1の発明に
よれば、外周柱を組み込んだ一般架構部とコア部とを分
離して両者を減衰機構を介して連結し、一般架構部とコ
ア部との境界のみにエキスパンションジョイントを配し
たので、ハットトラス等の水平架構を不要とした上で、
エキスパンションジョイントのためのデッドスペースを
小さくすることができる。しかも、エキスパンションジ
ョイントの部分が外壁に露出しないので、可動部分に対
する雨仕舞いや防水対策も最小限に抑えることができ
る。
As described above, according to the first aspect of the present invention, the general frame portion incorporating the outer peripheral column and the core portion are separated, and both are connected via the damping mechanism. Since the expansion joint is arranged only at the boundary with the core, it eliminates the need for a horizontal frame such as a hat truss,
Dead space for the expansion joint can be reduced. In addition, since the expansion joint is not exposed to the outer wall, it is possible to minimize rainfall and waterproofing of the movable part.

【0032】また、請求項2、6の発明のように、コア
部で一般架構部の荷重の一部を負担するようにすると、
コア部の転倒モーメントに対する抵抗力を増大できる。
また、請求項3,4の発明によれば、ダンパを別の箇所
に設ける必要がなくなる。また、請求項5の発明によれ
ば、一般架構部を外周柱とコア周囲柱で自立させるの
で、コア部に過度の負担をかけることもなくなり、床の
スパンを小さくすることができる。また、請求項7の発
明のように、コア部に境界梁を設けると、更に地震時の
エネルギ吸収効果を高めることができる。
Further, when a part of the load of the general frame part is borne by the core part as in the invention of the second and sixth aspects,
The resistance to the overturning moment of the core can be increased.
Further, according to the third and fourth aspects of the present invention, it is not necessary to provide a damper at another place. According to the fifth aspect of the present invention, since the general frame portion is self-supported by the outer peripheral column and the core peripheral column, an excessive load is not applied to the core portion, and the floor span can be reduced. Further, when a boundary beam is provided in the core portion as in the invention of claim 7, the energy absorbing effect at the time of an earthquake can be further enhanced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の実施形態の側断面図である。FIG. 1 is a side sectional view of an embodiment of the present invention.

【図2】 同実施形態の水平断面図である。FIG. 2 is a horizontal sectional view of the embodiment.

【図3】 同実施形態のコア部の拡大図である。FIG. 3 is an enlarged view of a core part of the embodiment.

【図4】 同実施形態のコア部と一般架構部の境界の構
成を示す拡大断面図である。
FIG. 4 is an enlarged cross-sectional view showing a configuration of a boundary between a core portion and a general frame portion of the embodiment.

【図5】 同実施形態の特性図である。FIG. 5 is a characteristic diagram of the embodiment.

【図6】 同実施形態の別の特性図である。FIG. 6 is another characteristic diagram of the embodiment.

【図7】 従来の制振構造物の構成図で、(a)は側面
図、(b)は(a)のVIIb−VIIb矢視断面図で
ある。
7A and 7B are configuration diagrams of a conventional vibration damping structure, in which FIG. 7A is a side view, and FIG. 7B is a cross-sectional view taken along line VIIb-VIIb of FIG.

【符号の説明】[Explanation of symbols]

1 制振建物 2 コア部 2a コアウォール 3 一般架構部 4 外周柱 5 スラブ(各階構造材) 6 コア周囲柱 7 エキスパンションジョイント 11 境界梁 12 受部 15 滑り支承(支承体) 16 積層ゴム式ダンパ(減衰機構) 20 PC鋼線 DESCRIPTION OF SYMBOLS 1 Damping building 2 Core part 2a Core wall 3 General frame part 4 Peripheral column 5 Slab (Each floor structural material) 6 Core peripheral column 7 Expansion joint 11 Boundary beam 12 Receiving part 15 Sliding bearing (supporting body) 16 Laminated rubber damper ( Damping mechanism) 20 PC steel wire

Claims (7)

【特許請求の範囲】[Claims] 【請求項1】 建物の水平断面の中心部に、剛性大且つ
重量小なる筒状のコア部が立設され、その周囲に、外周
柱を備えると共に前記コア部より剛性小且つ重量大なる
一般架構部が立設され、コア部と一般架構部との境界に
両者の水平方向の相対変位を許容するエキスパンション
ジョイントが配され、コア部と一般架構部とが、両者間
の水平方向の相対変位を吸収する減衰機構を介して連結
されていることを特徴とする制振建物。
1. A building having a cylindrical core part having a large rigidity and a small weight is erected at the center of a horizontal cross section of a building, and is provided with an outer peripheral column around the core part, and has a rigidity smaller and a larger weight than the core part. A frame part is erected, and an expansion joint allowing horizontal relative displacement between the core part and the general frame part is arranged at the boundary between the core part and the general frame part. A damping building, which is connected via a damping mechanism that absorbs air.
【請求項2】 前記コア部に一般架構部の各階の重量の
一部を受ける受部が設けられ、該受部に、一般架構部の
各階構造材が、水平変位を許容する支承体を介して支持
されていることを特徴とする請求項1記載の制振建物。
2. A receiving portion for receiving a part of the weight of each floor of the general frame portion is provided on the core portion, and each floor structural material of the general frame portion is connected to the receiving portion via a support member that allows horizontal displacement. The damping building according to claim 1, wherein the building is supported.
【請求項3】 前記支承体の少なくとも一部に減衰機能
を持つ粘弾性体が採用され、該粘弾性体が前記減衰機構
の少なくとも一部に相当することを特徴とする請求項2
記載の制振建物。
3. A viscoelastic body having a damping function is adopted in at least a part of the bearing body, and the viscoelastic body corresponds to at least a part of the damping mechanism.
The damping building described.
【請求項4】 前記粘弾性体として積層ゴムが採用され
ていることを特徴とする請求項3記載の制振建物。
4. The vibration damping building according to claim 3, wherein a laminated rubber is employed as said viscoelastic body.
【請求項5】 前記一般架構部が、建物の外周に列設さ
れた前記外周柱と、コア部寄りの内周部にコア部を取り
巻くように列設されたコア周囲柱とを備え、各階荷重が
これら外周柱とコア周囲柱とで支持されていることを特
徴とする請求項1〜4のいずれかに記載の制振建物。
5. The general frame portion includes the outer peripheral columns arranged on the outer periphery of a building, and a core peripheral column arranged on the inner peripheral portion near the core portion so as to surround the core portion. The vibration-damping building according to any one of claims 1 to 4, wherein a load is supported by the outer peripheral pillar and the core peripheral pillar.
【請求項6】 前記コア部に反力を取って前記コア周囲
柱に上方から引っ張り緊張力を与えることにより、コア
周囲柱の軸力の一部をコア部で負担したことを特徴とす
る請求項5記載の制振建物。
6. The core portion bears a part of the axial force of the core peripheral column by applying a reaction force to the core portion to apply a pulling tension to the core peripheral column from above. Item 6. The damping building according to item 5.
【請求項7】 前記コア部に、ダンパとして機能する境
界梁を設けたことを特徴とする請求項1〜6のいずれか
に記載の制振建物。
7. The damping building according to claim 1, wherein a boundary beam functioning as a damper is provided in said core portion.
JP20809697A 1997-08-01 1997-08-01 Damping building Expired - Fee Related JP3677703B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20809697A JP3677703B2 (en) 1997-08-01 1997-08-01 Damping building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20809697A JP3677703B2 (en) 1997-08-01 1997-08-01 Damping building

Publications (2)

Publication Number Publication Date
JPH1150688A true JPH1150688A (en) 1999-02-23
JP3677703B2 JP3677703B2 (en) 2005-08-03

Family

ID=16550577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20809697A Expired - Fee Related JP3677703B2 (en) 1997-08-01 1997-08-01 Damping building

Country Status (1)

Country Link
JP (1) JP3677703B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045933A (en) * 2004-08-05 2006-02-16 Takenaka Komuten Co Ltd Continuous layer core wall type seismic control high-rise multiple dwelling house building
JP2006241784A (en) * 2005-03-02 2006-09-14 Ohbayashi Corp Damping structure for building
JP2006328715A (en) * 2005-05-24 2006-12-07 Taisei Corp Floating floor type vibration control structure
JP2011032863A (en) * 2010-10-15 2011-02-17 Ohbayashi Corp Damping structure of building
JP2011252313A (en) * 2010-06-02 2011-12-15 Fujita Corp Expansion joint structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045933A (en) * 2004-08-05 2006-02-16 Takenaka Komuten Co Ltd Continuous layer core wall type seismic control high-rise multiple dwelling house building
JP2006241784A (en) * 2005-03-02 2006-09-14 Ohbayashi Corp Damping structure for building
JP2006328715A (en) * 2005-05-24 2006-12-07 Taisei Corp Floating floor type vibration control structure
JP2011252313A (en) * 2010-06-02 2011-12-15 Fujita Corp Expansion joint structure
JP2011032863A (en) * 2010-10-15 2011-02-17 Ohbayashi Corp Damping structure of building

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