JP2003328586A - Base isolation structure for building - Google Patents
Base isolation structure for buildingInfo
- Publication number
- JP2003328586A JP2003328586A JP2002140736A JP2002140736A JP2003328586A JP 2003328586 A JP2003328586 A JP 2003328586A JP 2002140736 A JP2002140736 A JP 2002140736A JP 2002140736 A JP2002140736 A JP 2002140736A JP 2003328586 A JP2003328586 A JP 2003328586A
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- JP
- Japan
- Prior art keywords
- layer
- building
- seismic isolation
- core
- core wall
- 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.)
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- 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、高層もしくは超高
層の建築物に中間階免震層を設ける建築物の免震構造に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic isolation structure of a building in which a high-rise building or an ultra-high-rise building is provided with an intermediate-rise seismic isolation layer.
【０００２】[0002]
【従来の技術】近年、３０階建て程度の高層集合住宅建
物や、５０階建て以上の超高層集合住宅が計画されるよ
うになってきている。2. Description of the Related Art In recent years, high-rise apartment buildings of about 30 floors and super high-rise apartment buildings of 50 floors or more have been planned.
【０００３】[0003]
【発明が解決しようとする課題】しかし、高層ないし超
高層集合住宅建物を計画する際には、特に構造的な制約
から解決するべき問題が多く、快適な居住環境を確保し
つつ、構造的に合理的で、耐震性能に優れる構造や形態
が求められている。However, when planning a high-rise or super-high-rise apartment building, there are many problems to be solved due to structural constraints, and a structurally comfortable structure is required while ensuring a comfortable living environment. A rational structure and form with excellent seismic performance is required.
【０００４】上記事情に鑑み、本発明は、設計自由度に
優れるとともに、合理的で耐震性能に優れた建築物の免
震構造を提供することを目的としている。In view of the above circumstances, it is an object of the present invention to provide a seismic isolation structure for a building which is excellent in design flexibility, rational and excellent in earthquake resistance.
【０００５】[0005]
【課題を解決するための手段】請求項１記載の建築物の
免震構造は、基礎構造の上部に配置される下層建築物
と、該下層建築物の上部に配置される上層建築物とから
なる建築物の免震構造であって、前記下層建築物の柱頭
部には、免震装置が配置されて、上層建築物と下層建築
物との間に中間免震層が形成されており、前記上層建築
物が、梁成の大きい梁と柱とを有するメガストラクチャ
ー層と、該メガストラクチャー層の上部に配置されて、
外郭部に構築される外周ラーメン架構、及び中心部を取
り囲むようにして設けられる連層耐震壁よりなるコアウ
ォールを有するコアウォール構造層とにより構成される
ことを特徴としている。A seismic isolation structure for a building according to claim 1 comprises a lower-layer building arranged on an upper part of a foundation structure and an upper-layer building arranged on an upper part of the lower-layer building. In the seismic isolation structure of the building, the seismic isolation device is disposed on the pillar head of the lower building, and an intermediate seismic isolation layer is formed between the upper building and the lower building, The upper-layer building is arranged on a megastructure layer having a large beam and a pillar with a beam structure and an upper portion of the megastructure layer,
It is characterized in that it is constituted by an outer peripheral frame structure constructed in the outer portion and a core wall structure layer having a core wall made of a multi-layered earthquake-resistant wall provided so as to surround the central portion.
【０００６】請求項２記載の建築物の免震構造は、前記
上層建築物を構成するコアウォール構造層のコアウォー
ルが、前記下層建築物の内方まで延伸されて、下端部が
前記基礎構造に免震装置を介して支持されることを特徴
としている。In the seismic isolation structure for a building according to claim 2, the core wall of the core wall structure layer constituting the upper building is extended to the inside of the lower building, and the lower end portion is the basic structure. It is characterized by being supported by a seismic isolation device.
【０００７】請求項３記載の建築物の免震構造は、前記
上層建築物が、メガストラクチャー層の上部にコアウォ
ール構造層に代えて、外郭部に構築される外周ラーメン
架構、及び中心部を取り囲むようにして設けられる短ス
パン梁と柱とによりなるコアチューブ架構を有するコア
チューブ構造層とにより構成されることを特徴としてい
る。In the seismic isolation structure for a building according to claim 3, the upper-layer building has an outer peripheral frame structure constructed in an outer portion and a central part in place of the core wall structure layer on the upper part of the megastructure layer. It is characterized by being constituted by a core tube structure layer having a core tube frame composed of short span beams and columns provided so as to surround them.
【０００８】[0008]
【発明の実施の形態】本発明の建築物の免震構造を図１
〜図５に示す。本発明は、上層建築物と下層建築物の間
に中間階免震層を有する建築物において、上層建築物の
下層にメガストラクチャー層を形成することにより、該
メガストラクチャー層の上部にコアウォールやコアチュ
ーブを中心部に配した超高層建築物の構築を可能にする
ものである。1 is a block diagram of a seismic isolation structure for a building according to the present invention.
~ Shown in FIG. The present invention, in a building having an intermediate floor seismic isolation layer between an upper-layer building and a lower-layer building, by forming a megastructure layer in the lower layer of the upper-layer building, a core wall or It enables the construction of super high-rise buildings with a core tube arranged in the center.
【０００９】図１に示すように、高層ないし超高層の建
築物１は、下層建築物２と上層建築物３とにより構成さ
れている。前記下層建築物２は、一般に建築物の基礎と
して地盤中に設けられる基礎構造６に支持されて立設さ
れており、例えば、鉄筋コンクリート造や鉄骨造等の柱
２ａと梁２ｂとにより構成されるラーメン架構よりなる
ものである。該下層建築物２を構成する柱２ａの頭部に
は、免震装置７が配置されており、該免震装置７に支持
されるようにして、上層建築物３が配置されている。つ
まり、上層建築物３と下層建築物２よりなる建築物１
は、中間階に免震装置７が配された中間階免震層８を有
する構成となっている。As shown in FIG. 1, a high-rise or super-high-rise building 1 is composed of a lower-rise building 2 and an upper-rise building 3. The lower-layer building 2 is generally erected by being supported by a foundation structure 6 provided in the ground as a foundation of the building, and is composed of, for example, columns 2a and beams 2b of reinforced concrete structure or steel frame structure. It consists of a ramen frame. A seismic isolation device 7 is arranged on the head of the pillar 2a constituting the lower building 2, and an upper building 3 is arranged so as to be supported by the seismic isolation device 7. In other words, a building 1 consisting of an upper building 3 and a lower building 2
Has an intermediate floor seismic isolation layer 8 in which a seismic isolation device 7 is arranged on the intermediate floor.
【００１０】該中間階免震層８の上部に配置される上層
建築物３は、メガストラクチャー層４と、コアウォール
構造層５の２層により構成されている。メガストラクチ
ャー層４は、例えば、上弦材と下弦材と斜材とを有する
鉄骨造のトラス構造や、鉄筋コンクリート造等によりな
り梁成の大きいメガ梁９と、該メガ梁９を介して連結さ
れる複数の柱１０とにより構成されている。なお、本実
施の形態では、メガ梁９の梁成を後にその上部に設けら
れるコアウォール構造層５の階高と同程度に形成してい
る。The upper building 3 arranged above the base isolation layer 8 of the middle floor is composed of two layers, a megastructure layer 4 and a core wall structure layer 5. The megastructure layer 4 is connected, for example, to a truss structure of a steel frame having an upper chord member, a lower chord member and a diagonal member, a mega beam 9 made of reinforced concrete or the like and having a large beam, and the mega beam 9. It is composed of a plurality of pillars 10. In the present embodiment, the beam formation of the mega beam 9 is formed to be approximately the same as the floor height of the core wall structure layer 5 provided on the upper portion thereof.
【００１１】また、該メガストラクチャー層４の上部に
は、コアウォール構造層５が構築されている。該コアウ
ォール構造層５は、一般に高層ないしは超高層建築物を
構築する際に用いられる構造と同様のもので、図２に示
すように、外周部には、外周柱１１ａと外周梁１１ｂと
による鉄筋コンクリート造の高剛性の外周ラーメン架構
１１が構築されて、コアウォール構造層５の外郭をなす
チューブ状の架構を構成しているものである。また、外
周ラーメン架構１１の中央部には、中心部を取り囲むよ
うにして、コアウォール構造層５の最下層から最上層ま
で連なる一連の現場打ち鉄筋コンクリート造の連層耐震
壁からなる高剛性のコアウォール１２が構築されてい
る。本実施の形態では、コアウォール１２が平面的に３
分割されて、分割された各コアウォールどうしの間に
は、境界梁１３が架設されている。地震等の発生により
コアウォール全体が変形した際には、境界梁１３が早期
に降伏して塑性変形し、それにより地震エネルギーを吸
収して振動を減衰させる構成となっている。A core wall structure layer 5 is formed on the megastructure layer 4. The core wall structure layer 5 has a structure similar to a structure generally used when constructing a high-rise or super high-rise building. As shown in FIG. 2, an outer peripheral pillar 11a and an outer peripheral beam 11b are provided in the outer peripheral portion. A highly rigid outer peripheral rigid frame structure 11 made of a reinforced concrete structure is constructed to form a tubular frame structure that forms an outer shell of the core wall structure layer 5. In addition, in the central portion of the outer peripheral frame structure 11, a highly rigid core made of a series of multi-story earthquake-resistant walls made of cast-in-place reinforced concrete that extends from the lowermost layer to the uppermost layer of the core wall structure layer 5 so as to surround the central portion. The wall 12 is constructed. In the present embodiment, the core wall 12 has a three-dimensional shape.
A boundary beam 13 is erected between the divided core walls. When the entire core wall is deformed due to an earthquake or the like, the boundary beam 13 yields early and is plastically deformed, whereby seismic energy is absorbed and vibration is damped.
【００１２】なお、上層建築物３を構成するコアウォー
ル構造層５のコアウォール１２は、必ずしもコアウォー
ル構造層５の最下層から最上層まで連なる一連の現場打
ち鉄筋コンクリート造の連層耐震壁で無くても良く、例
えば、図３に示すように、メガストラクチャー層４を貫
通し、前記下層建築物２の最下層からコアウォール構造
層５の最上層まで連なる一連の連層耐震壁としても良
い。このとき、図４に示すように、下層建築物２は、中
央部に空洞部を有するチューブ状の構造物に形成され、
この空洞部にコアウォール１２が配されており、その下
端部は免震装置７を介して前記基礎構造６に支持される
こととなる。また、前記下層建築物２と、該下層建築物
２の中空部に配されたコアウォール１２との間には、地
震等が生じて免震装置が作動した際に、両者が緩衝する
ことのないように、適宜クリアランス１６が設けられる
ものである。The core wall 12 of the core wall structure layer 5 constituting the upper-layer building 3 is not necessarily a series of cast-in-place reinforced concrete multi-layer earthquake-resistant walls connected from the lowermost layer to the uppermost layer of the core wall structural layer 5. Alternatively, for example, as shown in FIG. 3, it may be a series of multi-layered earthquake-resistant walls that penetrates the megastructure layer 4 and extends from the lowermost layer of the lower building 2 to the uppermost layer of the core wall structure layer 5. At this time, as shown in FIG. 4, the lower-layer building 2 is formed into a tubular structure having a hollow portion in the center,
A core wall 12 is arranged in this cavity, and the lower end of the core wall 12 is supported by the foundation structure 6 via a seismic isolation device 7. Further, when an earthquake or the like occurs between the lower-layer building 2 and the core wall 12 arranged in the hollow portion of the lower-layer building 2 and the seismic isolation device is activated, the two buffer each other. The clearance 16 is appropriately provided so as not to exist.
【００１３】このような構成は、コアウォール１２の内
方に、中間階免震層８によって上層建築物３と下層建築
物２とで分断されることのない鉛直方向に連続した空間
１７を設けることができる。このため、例えばエレベー
タシャフト等のような建築物１の下層建築物２の最下階
から上層建築物３最上階に、連続した空間１７を設けた
い際に有効であるIn such a structure, a space 17 which is vertically continuous and is not divided into the upper building 3 and the lower building 2 by the middle floor seismic isolation layer 8 is provided inside the core wall 12. be able to. Therefore, for example, it is effective when it is desired to provide a continuous space 17 from the lowermost floor of the lower building 2 of the building 1 such as an elevator shaft to the uppermost floor of the upper building 3.
【００１４】また、上層建築物３は、これに限るもので
はなく、メガストラクチャー層４の上部にコアウォール
構造層５に変わって、図５に示すようなコアチューブ構
造層１４を用いても良い。該コアチューブ構造層１４
は、コアウォール構造層５と同様に、外周部には、外周
柱１１ａと外周梁１１ｂとによる鉄筋コンクリート造の
高剛性の外周ラーメン架構１１が構築されており、コア
チューブ構造層１４の外郭をなすチューブ状の架構を構
成している。また、外周ラーメン架構１１の中央部に
は、中心部を取り囲むようにして、外周ラーメン架構１
１よりも短いスパンで離間配置されたコア柱１５ａと短
スパン梁１５ｂとによる鉄筋コンクリート造の高剛性の
コアチューブ架構１５がコアチューブ構造層１４の最下
階から最上階まで連続して構築されている。地震が発生
した際には、コアチューブ架構１５が変形して短スパン
梁１５ｂが早期に降伏して塑性変形し、それにより地震
エネルギーを吸収して振動を減衰させる構成となってい
る。Further, the upper building 3 is not limited to this, and a core tube structure layer 14 as shown in FIG. 5 may be used instead of the core wall structure layer 5 on the megastructure layer 4. . The core tube structure layer 14
In the same way as the core wall structure layer 5, a reinforced concrete outer peripheral rigid frame structure 11 made of outer peripheral columns 11a and outer peripheral beams 11b is constructed in the outer peripheral portion, and forms the outer shell of the core tube structure layer 14. It constitutes a tubular frame. In addition, in the central portion of the outer peripheral frame structure 11, the outer peripheral frame structure 1 is surrounded so as to surround the central portion.
A highly rigid core tube frame 15 made of reinforced concrete is constructed continuously from the bottom floor to the top floor of the core tube structure layer 14 by the core columns 15a and the short span beams 15b which are spaced apart by a span shorter than 1. There is. When an earthquake occurs, the core tube frame 15 is deformed and the short span beam 15b yields early and is plastically deformed, whereby seismic energy is absorbed and vibration is damped.
【００１５】上述する構成によれば、本実施の形態にお
ける高層もしくは超高層の建築物１は、建築物１の上層
建築物３の最下層にメガストラクチャー層４を設けた上
でその上層にコアウォール構造層５を設ける構成として
いることから、コアウォール構造層５の平面支持部をコ
アウォール１２の平面積ではなく、コアウォール構造層
５全体の平面積として捉えることが可能となり、上層建
築物３のアスペクト比を小さくすることができるため、
上層建築物３と下層建築物２との間に中間階免震層８を
設けても、地震時に免震装置に対して生じやすい引抜軸
力を抑えることができ、高層もしくは超高層の建築物１
に対しても中間免震層８を設けることが可能となる。According to the above-mentioned structure, the high-rise or super-high-rise building 1 according to the present embodiment has the megastructure layer 4 as the lowermost layer of the upper building 3 of the building 1 and the core as the upper layer. Since the wall structure layer 5 is provided, the planar support portion of the core wall structure layer 5 can be regarded not as the plane area of the core wall 12 but as the plane area of the core wall structure layer 5 as a whole. Since the aspect ratio of 3 can be reduced,
Even if the middle floor seismic isolation layer 8 is provided between the upper-layer building 3 and the lower-layer building 2, it is possible to suppress the pull-out axial force that tends to be generated by the seismic isolation device during an earthquake, and thus a high-rise or super-high-rise building 1
It is possible to provide the intermediate seismic isolation layer 8 also for the.
【００１６】また、上層建築物３を構成するコアウォー
ル構造層５の中心部に配されるコアウォール１２を、建
築物１の下層建築物２の最下階から上層建築物３の最上
階まで連なる一連の連層耐震壁とすることにより、中間
階免震層８によって上層建築物３と下層建築物２とで分
断されることのない鉛直方向に連続した空間１７を設け
ることが可能となる。Further, the core wall 12 arranged in the central portion of the core wall structure layer 5 constituting the upper building 3 is provided from the bottom floor of the lower building 2 of the building 1 to the top floor of the upper building 3. By using a continuous series of multi-story earthquake-resistant walls, it is possible to provide a space 17 that is continuous in the vertical direction without being divided by the upper-floor building 3 and the lower-floor building 2 by the seismic isolation layer 8 on the intermediate floor. .
【００１７】また、高層もしくは超高層の建築物１に、
中間免震層８を設けることができるため、基礎構造６と
建築物１との間に免震層を設ける場合と比較して、地下
工事が少なく、工期短縮、工費削減が図れるとともに、
敷地にゆとりがない場合にも敷地に対して建築面積を大
きく取ることが可能となる。In the high-rise or super high-rise building 1,
Since an intermediate seismic isolation layer 8 can be provided, compared with the case where an seismic isolation layer is provided between the foundation structure 6 and the building 1, the amount of underground work is small, and the construction period and construction cost can be shortened.
Even if there is no room on the site, it is possible to take up a large building area for the site.
【００１８】[0018]
【発明の効果】請求項１記載の建築物の免震構造によれ
ば、基礎構造の上部に配置される下層建築物と、該下層
建築物の上部に配置される上層建築物とからなる建築物
の免震構造であって、前記下層建築物の柱頭部には、免
震装置が配置されて、上層建築物と下層建築物との間に
中間免震層が形成されており、前記上層建築物が、梁成
の大きい梁と柱とを有するメガストラクチャー層と、該
メガストラクチャー層の上部に配置されて、外郭部に構
築される外周ラーメン架構、及び中心部を取り囲むよう
にして設けられる連層耐震壁よりなるコアウォールを有
するコアウォール構造層とにより構成されることから、
コアウォール構造層の平面支持部をコアウォールの平面
積ではなく、コアウォール構造層全体の平面積として捉
えることが可能となり、上層建築物のアスペクト比を小
さくすることができるため、上層建築物と下層建築物と
の間に中間階免震層を設けても、地震時に免震装置に対
して生じやすい引抜軸力を抑えることができ、高層もし
くは超高層の建築物に対しても中間免震層を設けること
が可能となる。According to the seismic isolation structure for a building according to claim 1, a building consisting of a lower-layer building arranged on the upper part of the basic structure and an upper-layer building arranged on the upper part of the lower-layer building. A seismic isolation structure for an object, wherein a seismic isolation device is arranged at a column head of the lower-layer building, and an intermediate seismic isolation layer is formed between the upper-layer building and the lower-layer building. A building is provided so as to surround a megastructure layer having large beams and columns, an outer peripheral frame structure that is arranged on the upper part of the megastructure layer and is constructed in an outer portion, and a central portion. Since it is composed of a core wall structure layer having a core wall composed of multi-story earthquake-resistant walls,
Since it is possible to regard the planar support portion of the core wall structure layer as the plane area of the entire core wall structure layer rather than the plane area of the core wall, it is possible to reduce the aspect ratio of the upper layer building and thus Even if an intermediate floor seismic isolation layer is provided between the building and the lower building, it is possible to suppress the pull-out axial force that tends to be generated by the seismic isolation device during an earthquake, and even for high-rise or super-high-rise buildings. It is possible to provide layers.
【００１９】また、高層もしくは超高層の建築物に、中
間免震層を設けることができるため、基礎構造と建築物
との間に免震層を設ける場合と比較して、地下工事が少
なく、工期短縮、工費削減が図れるとともに、敷地にゆ
とりがない場合にも敷地に対して建築面積を大きく取る
ことが可能となる。Further, since an intermediate seismic isolation layer can be provided in a high-rise or super-high-rise building, there is less underground work as compared with the case where an isolation layer is provided between the basic structure and the building. The construction period can be shortened and the construction cost can be reduced, and even if there is no room on the site, it is possible to take a large building area for the site.
【００２０】請求項２記載の建築物の免震構造によれ
ば、前記上層建築物を構成するコアウォール構造層のコ
アウォールが、前記下層建築物の内方まで延伸されて、
下端部が前記基礎構造に免震装置を介して支持されるこ
とから、中間階免震層によって上層建築物と下層建築物
とで分断されることのない鉛直方向に連続した空間を設
けることが可能となるAccording to the seismic isolation structure for a building according to claim 2, the core wall of the core wall structure layer constituting the upper building is extended to the inside of the lower building,
Since the lower end is supported by the foundation structure via a seismic isolation device, it is possible to provide a vertically continuous space that is not separated by the upper floor building and the lower building by the seismic isolation layer on the intermediate floor. Become possible
【００２１】請求項３記載の建築物の免震構造によれ
ば、前記上層建築物が、メガストラクチャー層の上部に
コアウォール構造層に代えて、外郭部に構築される外周
ラーメン架構、及び中心部を取り囲むようにして設けら
れる短スパン梁と柱とによりなるコアチューブ架構を有
するコアチューブ構造層とにより構成されることから、
コアチューブ構造層の平面支持部をコアウォールの平面
積ではなく、コアウォール構造層全体の平面積として捉
えることが可能となり、上層建築物のアスペクト比を小
さくすることができるため、上層建築物と下層建築物と
の間に中間階免震層を設けても、地震時に免震装置に対
して生じやすい引抜軸力を抑えることができ、高層もし
くは超高層の建築物に対しても中間免震層を設けること
が可能となる。According to the seismic isolation structure for a building as claimed in claim 3, the upper-layer building has an outer peripheral frame structure constructed in an outer portion instead of the core wall structure layer on the upper part of the megastructure layer, and the center. Since it is composed of a core tube structure layer having a core tube frame composed of short span beams and columns provided so as to surround the portion,
Since it is possible to regard the planar support portion of the core tube structure layer as the flat area of the entire core wall structure layer rather than the flat area of the core wall, it is possible to reduce the aspect ratio of the upper building and thus Even if an intermediate floor seismic isolation layer is provided between the building and the lower building, it is possible to suppress the pull-out axial force that tends to be generated by the seismic isolation device during an earthquake, and even for high-rise or super-high-rise buildings. It is possible to provide layers.
【図面の簡単な説明】[Brief description of drawings]
【図１】 本発明に係るコアウォール構造層を有する建
築物の免震構造を示す図である。FIG. 1 is a view showing a seismic isolation structure of a building having a core wall structure layer according to the present invention.
【図２】 本発明に係るコアウォール構造層の平面を示
す図である。FIG. 2 is a view showing a plane of a core wall structure layer according to the present invention.
【図３】 本発明に係るコアウォール構造層を有する建
築物の免震構造の他の事例を示す図である。FIG. 3 is a diagram showing another example of a seismic isolation structure for a building having a core wall structure layer according to the present invention.
【図４】 本発明に係るコアウォール構造層を有する建
築物の免震構造の他の事例の断面を示す図である。FIG. 4 is a view showing a cross section of another example of the seismic isolation structure for a building having a core wall structure layer according to the present invention.
【図５】 本発明に係るコアチューブ構造層を有する建
築物の免震構造を示す図である。FIG. 5 is a diagram showing a seismic isolation structure of a building having a core tube structure layer according to the present invention.
１ 建築物 ２ 下層建築物 ２ａ 柱 ２ｂ 梁 ３ 上層建築物 ４ メガストラクチャー層 ５ コアウォール層 ６ 基礎構造 ７ 免震装置 ８ 中間階免震層 ９ メガ梁 １０ 柱 １１ 外周ラーメン架構 １１ａ 外周柱 １１ｂ 外周梁 １２ コアウォール １３ 境界梁 １４ コアチューブ構造層 １５ コアチューブ架構 １５ａ コア柱 １５ｂ 短スパン梁 １６ クリアランス １７ 連続した空間 1 building 2 lower building 2a pillar 2b beam 3 upper building 4 megastructure layer 5 Core wall layer 6 Basic structure 7 Seismic isolation device 8 Middle floor seismic isolation layer 9 mega beams 10 pillars 11 Peripheral ramen frame 11a Perimeter column 11b Perimeter beam 12 core wall 13 boundary beams 14 Core tube structure layer 15 core tube frame 15a core pillar 15b short span beam 16 clearance 17 continuous space
───────────────────────────────────────────────────── フロントページの続き (72)発明者 原田 洋 東京都港区芝浦一丁目２番３号 清水建設 株式会社内 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Hiroshi Harada Shimizu Construction 1-3-2 Shibaura, Minato-ku, Tokyo Within the corporation
Claims (3)
と、 該下層建築物の上部に配置される上層建築物とからなる
建築物の免震構造であって、 前記下層建築物の柱頭部には、免震装置が配置されて、
上層建築物と下層建築物との間に中間免震層が形成され
ており、 前記上層建築物が、梁成の大きい梁と柱とを有するメガ
ストラクチャー層と、 該メガストラクチャー層の上部に配置されて、外郭部に
構築される外周ラーメン架構及び中心部を取り囲むよう
にして設けられる連層耐震壁よりなるコアウォールを有
するコアウォール構造層とにより構成されることを特徴
とする建築物の免震構造。1. A seismic isolation structure for a building, which comprises a lower-layer building placed on an upper part of a foundation structure and an upper-layer building placed on an upper part of the lower-layer building, wherein the stigma of the lower-layer building A seismic isolation device is installed in the department,
An intermediate seismic isolation layer is formed between the upper-layer building and the lower-layer building, and the upper-layer building is arranged on the megastructure layer having large beams and columns and the upper portion of the megastructure layer. And a core wall structural layer having a core wall composed of a multi-layered earthquake-resistant wall provided so as to surround the outer frame and the outer frame of the outer frame. Quake structure.
いて、 前記上層建築物を構成するコアウォール構造層のコアウ
ォールが、前記下層建築物の内方まで延伸されて、下端
部が前記基礎構造に免震装置を介して支持されることを
特徴とする建築物の免震構造。2. The seismic isolation structure for a building according to claim 1, wherein the core wall of the core wall structure layer constituting the upper building is extended to the inside of the lower building, and a lower end portion is formed. A seismic isolation structure for a building, which is supported on the foundation structure via an isolation device.
構造において、 前記上層建築物が、メガストラクチャー層の上部にコア
ウォール構造層に代えて、外郭部に構築される外周ラー
メン架構、及び中心部を取り囲むようにして設けられる
短スパン梁と柱とによりなるコアチューブ架構を有する
コアチューブ構造層とにより構成されることを特徴とす
る建築物の免震構造。3. The seismic isolation structure for a building according to claim 1, wherein the upper-layer building is an outer peripheral frame structure constructed on an outer portion of the megastructure layer instead of the core wall structure layer. And a core tube structure layer having a core tube frame composed of a short-span beam and a column provided so as to surround the central portion, and a seismic isolation structure for a building.
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| JP2002140736A JP4092624B2 (en) | 2002-05-15 | 2002-05-15 | Seismic isolation structure of building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002140736A JP4092624B2 (en) | 2002-05-15 | 2002-05-15 | Seismic isolation structure of building |
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| JP2003328586A true JP2003328586A (en) | 2003-11-19 |
| JP4092624B2 JP4092624B2 (en) | 2008-05-28 |
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|---|---|---|---|
| JP2002140736A Expired - Lifetime JP4092624B2 (en) | 2002-05-15 | 2002-05-15 | Seismic isolation structure of building |
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