JP2512785B2 - Vibration control device for high-rise buildings - Google Patents
Vibration control device for high-rise buildingsInfo
- Publication number
- JP2512785B2 JP2512785B2 JP63173932A JP17393288A JP2512785B2 JP 2512785 B2 JP2512785 B2 JP 2512785B2 JP 63173932 A JP63173932 A JP 63173932A JP 17393288 A JP17393288 A JP 17393288A JP 2512785 B2 JP2512785 B2 JP 2512785B2
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- Prior art keywords
- pin
- building
- buildings
- vibration
- connecting member
- 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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Description
【発明の詳細な説明】 《産業上の利用分野》 本発明は相隣接する数個の独立した建造物間を連結
し、この連結部分の結合状態を選ぶことによって各建造
物の揺れを抑制するようにした制震装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention connects a plurality of independent buildings adjacent to each other, and suppresses the sway of each building by selecting the connection state of this connection part. Related to the seismic control device.
《従来の技術》 独立した別個の建造物間をダンパーで接続し、地震時
に各建造物の振動がダンパーを通して相互に干渉し合う
結果、建造物におよぶ地震力を軽減させ得る従来技術と
しては特願昭42-51933号，特願昭61-240932号がある。<< Conventional technology >> As a result of connecting dampers between independent and independent structures, and vibrations of each structure interfering with each other through the damper at the time of an earthquake, it is possible to reduce the seismic force exerted on the structures. There are Japanese Patent Application No. 42-51933 and Japanese Patent Application No. 61-240932.
《発明が解決しようとする課題》 しかし、これらの従来技術では各建造物の固有振動周
期により、振動性状を異にする点に着目しており、ダン
パーの力学的性能が夫々の建造物の振動を減殺するよう
な設定になっている。<< Problems to be Solved by the Invention >> However, in these conventional techniques, attention is paid to the point that the vibration characteristics are different depending on the natural vibration period of each building, and the mechanical performance of the damper is the vibration of each building. It is set to kill.
したがって、ダンパーの入力振動数対伝達率に関する
伝達関数は一定規模の地震力を想定した減衰性能と剛性
とを具備する設定になっており、風圧や小地震による小
さな揺れが発生し易い高層建造物等に適用した場合、こ
れらの小さな揺れには有効性を欠いていた。Therefore, the transfer function related to the input frequency of the damper versus the transmissibility is set to have damping performance and rigidity assuming a certain magnitude of seismic force, and high-rise buildings that are susceptible to small sway due to wind pressure or small earthquakes. When applied to etc., these small shakes lacked effectiveness.
逆に、ダンパーの設定が中小地震力を対象とする設定
ならば、大地震力に対応することができなかった。On the contrary, if the damper was set for small and medium earthquake forces, it was not possible to deal with large earthquake forces.
本発明は上記事情に鑑みてなされたものであって、そ
の目的は平常時および大風、中小地震による建造物の揺
れを抑制し、大地震に対しても有利な制震装置を提供す
るにある。The present invention has been made in view of the above circumstances, and an object thereof is to provide a vibration control device that suppresses swaying of buildings due to normal times, large winds, and small and medium-sized earthquakes, and that is advantageous even against large earthquakes. is there.
《課題を解決するための手段》 上記目的を達成するために、本発明に係る高層建造物
の制震装置は、複数のそれぞれ独立した建造物間に、こ
れらを相互に連結すべく水平方向に掛け渡された連結部
材と、上記各建造物に設けられ、上記連結部材の端部を
該建造物の水平方向振動の振幅以上の長さに亘って支持
しつつ、該水平振動に伴う該建造物と該連結部材との相
対スライド移動を案内する案内支持部材と、該案内支持
部材とこれに支持された上記連結部材の端部とを係脱す
べく、これらに係脱自在に設けられ、係合してこれらを
剛に連結すると共に、離脱されてこれらの相対スライド
移動を許容するピンと、該ピンを係脱すべく作動される
アクチュエータと、上記建造物の振動状態を検知して、
上記ピンを離脱させるべく上記アクチュエータを作動さ
せるセンサと、を備えたことを特徴とする。<< Means for Solving the Problem >> In order to achieve the above-mentioned object, the vibration control device for a high-rise building according to the present invention is provided between a plurality of independent buildings in a horizontal direction so as to interconnect these. The connection member provided on each of the buildings and the connection member that is bridged over the structure, and while supporting the end portion of the connection member for a length equal to or greater than the amplitude of horizontal vibration of the structure, the structure accompanying the horizontal vibration. A guide supporting member for guiding relative sliding movement of the object and the connecting member, and a guide supporting member and an end portion of the connecting member supported by the guide supporting member are detachably provided to the guide supporting member and the end portion of the connecting member. When these are rigidly connected together, a pin that is disengaged to allow these relative sliding movements, an actuator that is operated to disengage the pin, and a vibration state of the building are detected,
A sensor that operates the actuator to disengage the pin.
《作用》 通常時は相隣接する建造物相互を剛に接合し、建造物
相互の剛性を最大限に活用して、風や中小地震力に耐え
る耐震構造になるが、大地震力を受けるときには建造物
相互の接続を解除して各独自の固有振動特性に任せた免
震構造に切り替える。<Operation> Normally, adjacent structures are rigidly joined to each other and the rigidity of each structure is utilized to the maximum, resulting in an earthquake-resistant structure that can withstand wind and small and medium earthquake forces. The structures will be disconnected from each other and the seismic isolation structure will be switched to its own unique vibration characteristics.
また、連結部材の端部を建造物の水平方向振動の振幅
以上の長さに亘って支持しつつ、水平振動に伴う建造物
と連結部材との相対スライド移動を案内する案内支持部
材を設けたので、大地震に伴って剛結を解除した後で
も、建造物の間に連結部材をそのまま保持しておくこと
ができて、剛結を確保するために備えた連結部材の倒壊
・落下という危険を防止できる。Further, a guide support member for guiding the relative sliding movement of the building and the connecting member due to the horizontal vibration is provided while supporting the end portion of the connecting member over the length of the amplitude of the horizontal vibration of the building or more. Therefore, even after the rigid connection is released due to a large earthquake, the connecting member can be retained as it is between the buildings, and there is a risk that the connecting member equipped to secure the rigid connection may collapse or fall. Can be prevented.
さらに、ピンを係脱すべく作動されるアクチュエータ
と、建造物の振動状態を検知して、ピンを離脱させるべ
くアクチュエータを作動させるセンサとを備えて、剛結
を解除するためのピンの動作をアクチュエータでアクテ
ィブに制御するようにしており、この結果ピンの離脱に
よる剛結の一斉解除を確保することができるので、剛結
解除の作動確実性をアクチュエータの制御によって保証
することができ、大地震の発生などに対して適切に対応
させることができる。Further, an actuator that is operated to disengage the pin and a sensor that detects the vibration state of the building and operates the actuator to disengage the pin are provided, and the operation of the pin to release the rigid connection is performed by the actuator. As a result, it is possible to secure the simultaneous release of rigid connections due to pin disengagement, so it is possible to guarantee the operational reliability of rigid connection release by controlling the actuator, and It is possible to respond appropriately to the occurrence and the like.
《実施例》 以下、本発明の好適な実施例について図面を参照にし
て詳細に説明する。<Example> Hereinafter, a preferred example of the present invention will be described in detail with reference to the drawings.
第１図はそれぞれ独立した三つの超高層ビル1-1a-1b
を互いに接合したものである。本実施例は基本的には、
複数のそれぞれ独立した建造物としての超高層ビル1-1a
-1b間に、これらを相互に連結すべく水平方向に掛け渡
された連結部材たる連結梁2,3と、各超高層ビル1-1a-1b
に設けられ、連結梁2,3の端部を超高層ビル1-1a-1bの水
平方向振動の振幅以上の長さＬに亘って支持しつつ、水
平振動に伴う超高層ビル1-1a-1bと連結梁2,3との相対ス
ライド移動を案内する案内支持部材としての持出梁５
と、持出梁５とこれに支持された連結梁2,3の端部とを
係脱すべく、これらに係脱自在に設けられ、係合してこ
れらを剛に連結すると共に、離脱されてこれらの相対ス
ライド移動を許容するピン７と、ピン７を係脱すべく作
動されるアクチュエータたるソレノイド８若しくは油圧
シリンダーと、超高層ビル1-1a-1bの振動状態を検知し
て、ピン７を離脱させるべくソレノイド８等を作動させ
る図示しないセンサとしての振動センサー等とを備えて
構成される。Figure 1 shows three independent skyscrapers 1-1a-1b.
Are joined together. This embodiment is basically
Skyscrapers 1-1a as multiple independent buildings
-1b, connecting beams 2 and 3 which are connecting members horizontally laid to connect them to each other, and each skyscraper 1-1a-1b
Is installed in the skyscraper 1-1a-, while supporting the ends of the connecting beams 2 and 3 for a length L equal to or more than the amplitude of horizontal vibration of the skyscraper 1-1a-1b. Take-out beam 5 as a guide support member for guiding relative sliding movement between 1b and connecting beams 2 and 3.
In order to engage and disengage the carry-out beam 5 and the ends of the connecting beams 2 and 3 supported by the carrying-out beam 5, the take-out beam 5 and the ends of the connecting beams 2 and 3 are disengageably provided, and they are rigidly connected to each other by engaging and disengaging. The pin 7 that allows these relative sliding movements, the solenoid 8 or the hydraulic cylinder that is an actuator that is operated to engage and disengage the pin 7, and the vibration state of the skyscraper 1-1a-1b are detected, and the pin 7 is removed. In order to do so, a vibration sensor or the like as a sensor (not shown) for actuating the solenoid 8 is provided.
各超高層ビル1-1a-1bの地盤面からの高さが等しい中
層位置側面から互いに隣接するビル方向へ水平に延ばし
た連結梁２で、相隣接するビル1-1a-1b間を着脱自在に
係合している。The connecting beams 2 horizontally extending from the side surface of the middle-rise position where the heights of the respective skyscrapers 1-1a-1b are equal to the ground surface in the direction of the buildings adjacent to each other are freely removable between the adjacent buildings 1-1a-1b. Is engaged with.
この連結梁２は中層位置に限らず、ビル１の屋上に渡
設した連結梁３を設けるなど、上下方向に多段に設置し
てもよい。The connecting beam 2 is not limited to the middle position, and may be installed in multiple stages in the vertical direction by providing the connecting beam 3 provided on the roof of the building 1.
第１図では同図（２）に示す如く、各ビル1-1a-1bの
配置関係がこれらを連結梁２で結んだとき、平面形状が
三角形になる頂点位置にあり、耐震的に有利である例を
示すが、建物の大きさ、高さ、数に応じて適切な配置を
選ぶことができる。In Fig. 1, as shown in Fig. 2 (2), the layout of the buildings 1-1a-1b is at the apex position where the plane shape becomes a triangle when they are connected by the connecting beam 2, which is advantageous in terms of earthquake resistance. As an example, you can choose an appropriate layout depending on the size, height, and number of buildings.
連結梁２はそれぞれ第２図に示す通り、ビル1-1a-1b
に水平に設置した持出梁５内に嵌入止着している。この
持出梁５と連結梁２との嵌入状態は、連結梁２の端部を
超高層ビル1-1a-1bの水平方向振動の振幅以上の長さＬ
に亘って支持しつつ、水平振動に伴う超高層ビル1-1a-1
bと連結梁２との相対スライド移動を案内する状態とな
っている。そしてこの持出梁５内に嵌入した連結梁２の
端部天面から持出梁５に通るピン７で連結梁２を持出梁
５に固定し、ビル1-1a-1b同士を剛に接続している。な
お、６は、ビル1-1a-1bの壁面および連結梁２の端面に
互いに向かい合わせて設置された緩衝材であり、連結梁
２が水平方向振動振幅の1/2以上のストローク１で持出
梁５内をスライドしてビル1-1a-1bに衝突する際に、こ
の衝撃を柔らげるように機能する。The connecting beams 2 are, as shown in Fig. 2, each building 1-1a-1b.
It is fitted and fastened in the take-out beam 5 installed horizontally. The fitting state of the carry-out beam 5 and the connecting beam 2 is such that the end portion of the connecting beam 2 has a length L greater than the amplitude of horizontal vibration of the skyscraper 1-1a-1b.
Skyscraper 1-1a-1 due to horizontal vibration
It is in a state of guiding relative sliding movement between b and the connecting beam 2. Then, the connecting beam 2 is fixed to the take-out beam 5 by a pin 7 passing through the take-out beam 5 from the top surface of the end of the connecting beam 2 fitted in the take-out beam 5, and the buildings 1-1a-1b are rigidly connected to each other. Connected. In addition, 6 is a cushioning member installed facing each other on the wall surface of the building 1-1a-1b and the end surface of the connecting beam 2, and the connecting beam 2 is held at a stroke 1 of 1/2 or more of the horizontal vibration amplitude. It functions to soften this impact when sliding inside the beam 5 and colliding with the building 1-1a-1b.
ピン７を外せば連結梁２と持出梁５との接続は解除さ
れ、ビル1-1a-1b同士は互いに水平方向に自由な挙動に
委ねられる。大地震力を受ける場合には、連結梁２や持
出梁５の接合強度の問題のみならず、ビル1-1a-1bを剛
接合していること自体、各ビル1-1a-1bの固有周期差に
よって不利になるからである。If the pin 7 is removed, the connection between the connecting beam 2 and the carry-out beam 5 is released, and the buildings 1-1a-1b are allowed to freely move in the horizontal direction. When a large seismic force is applied, not only the joint strength of the connecting beam 2 and the take-out beam 5 but also that the building 1-1a-1b is rigidly joined is unique to each building 1-1a-1b. This is because the cycle difference is disadvantageous.
したがって、ピン７は地震力の程度を振動センサー等
で感知して自動的に抜出できるようにし、その例を第３
図、第４図に示す。図の例は、ピン７を固定乃至抜出す
るためにプランジャ型のソレノイド８を用いている。Therefore, the pin 7 allows the vibration sensor or the like to detect the degree of the seismic force and automatically pulls it out.
Shown in FIG. In the illustrated example, a plunger type solenoid 8 is used to fix or pull out the pin 7.
第３図のピン７には長孔が設けてあり、この長孔に楔
９を差し込んで止めるものである。The pin 7 of FIG. 3 is provided with a long hole, and the wedge 9 is inserted into this long hole to be stopped.
ソレノイド８は鉄心とプランジャ10との間にコイルバ
ネ11が縮設してあって、コイルに通電しない時は、コイ
ルバネ11の反発力でプランジャ10が楔９を押圧固定する
位置に装着してある。The solenoid 8 has a coil spring 11 contracted between the iron core and the plunger 10. When the coil 8 is not energized, the solenoid 10 is mounted at a position where the plunger 10 presses and fixes the wedge 9 by the repulsive force of the coil spring 11.
ソレノイド８に通電すればプランジャ10は電磁力に引
かれて引込み、楔９が外れる結果、ピン７が落下し、連
結梁２とビル1-1a-1bとの剛接合が解除になる。When the solenoid 8 is energized, the plunger 10 is attracted by the electromagnetic force and is retracted, and the wedge 9 is disengaged. As a result, the pin 7 drops and the rigid connection between the connecting beam 2 and the building 1-1a-1b is released.
尤も、ソレノイド８の場合には電磁力とプランジャ10
のストローク長との関係において作動力が指数関係的に
減少するため、問題を残す。したがって、維持管理の点
でソレノイド８よりも機能を維持しにくいと同時に扱い
にくいが、ソレノイド８の代りに油圧シリンダーを使用
してもよい。However, in the case of solenoid 8, electromagnetic force and plunger 10
Since the actuation force exponentially decreases in relation to the stroke length of, there remains a problem. Therefore, in terms of maintenance, it is more difficult to maintain the function than the solenoid 8 and at the same time difficult to handle, but a hydraulic cylinder may be used instead of the solenoid 8.
第４図も第３図と同様であるが、これはピン７の軸方
向にソレノイド８を設置したもので、ソレノイド８のプ
ランジャ10にピン７の端部を直結している。したがっ
て、ピン７を固定するための楔９を要しない。4 is similar to FIG. 3 except that the solenoid 8 is installed in the axial direction of the pin 7, and the end of the pin 7 is directly connected to the plunger 10 of the solenoid 8. Therefore, the wedge 9 for fixing the pin 7 is not required.
これらソレノイド８の駆動は、振動センサーや変位計
の出力データと連動しているので、完全に自動化するこ
とができる。また、必要に応じて接合を解除する箇所を
選択することもできる。Since the drive of these solenoids 8 is linked with the output data of the vibration sensor and the displacement gauge, it can be completely automated. In addition, it is possible to select a location where the joining is released, if necessary.
尚、実施例では超高層ビル１について説明したが、本
発明は超高層ビルに限らず、高層ビルにも適用できる。
又振動センサー等の感度は、個々の建物または相互に結
合した建物群が大地震時に最も有利な挙動をするように
設定するものである。In addition, although the skyscraper 1 has been described in the embodiment, the present invention is not limited to the skyscraper and can be applied to a skyscraper.
Further, the sensitivity of the vibration sensor or the like is set so that individual buildings or groups of buildings connected to each other behave most advantageously in the event of a large earthquake.
《効果》 本発明は、以上詳しく説明したように構成されている
ので、通常時には相隣接する建造物を上手く活用した耐
震構造をなし得、高層ビル等に発生し易い通常時の揺れ
に建造物相互の剛結合で対抗することができる。また、
強い地震力を受けるときは建造物間の接合を解除し、個
々の建造物の有する固有周期に任せることができるの
で、中小地震力と大地震力とを弁別した合理的な制震を
行うことができるのである。<Effect> Since the present invention is configured as described in detail above, it is possible to form a seismic-resistant structure that makes good use of adjacent buildings during normal operation, and to prevent swaying during normal operation that tends to occur in high-rise buildings, etc. It is possible to oppose each other by rigid connection with each other. Also,
When a strong seismic force is applied, the connection between buildings can be released, and it can be left to the natural period of each building. Therefore, rational seismic control should be performed by distinguishing small and medium earthquake forces from large earthquake forces. Can be done.
また、連結部材の端部を建造物の水平方向振動の振幅
以上の長さに亘って支持しつつ、水平振動に伴う建造物
と連結部材との相対スライド移動を案内する案内支持部
材を設けたので、大地震に伴って剛結を解除した後で
も、建造物の間に連結部材をそのまま保持しておくこと
ができて、剛結を確保するために備えた連結部材の倒壊
・落下という危険を防止できる。Further, a guide support member for guiding the relative sliding movement of the building and the connecting member due to the horizontal vibration is provided while supporting the end portion of the connecting member over the length of the amplitude of the horizontal vibration of the building or more. Therefore, even after the rigid connection is released due to a large earthquake, the connecting member can be retained as it is between the buildings, and there is a risk that the connecting member equipped to secure the rigid connection may collapse or fall. Can be prevented.
さらに、ピンを係脱すべく作動されるアクチュエータ
と、建造物の振動状態を検知して、ピンを離脱させるべ
くアクチュエータを作動させるセンサとを備えて、剛結
を解除するためのピンの動作をアクチュエータでアクテ
ィブに制御するようにしており、この結果ピンの離脱に
よる剛結の一斉解除を確保することができるので、剛結
解除の作動確実性をアクチュエータの制御によって保証
することができ、大地震の発生などに対して適切に対応
させることができる。Further, an actuator that is operated to disengage the pin and a sensor that detects the vibration state of the building and operates the actuator to disengage the pin are provided, and the operation of the pin to release the rigid connection is performed by the actuator. As a result, it is possible to secure the simultaneous release of rigid connections due to pin disengagement, so it is possible to guarantee the operational reliability of rigid connection release by controlling the actuator, and It is possible to respond appropriately to the occurrence and the like.
図は何れも本発明の実施例に関し、第１図（１）は建造
物の配置と、その間の接合状態を説明するための側面
図、同図（２）は同図（１）の平面図、第２図は接合部
分を例示した断面図、第３図は接合部分の自動解除手段
を例示した平面図、第４図も同じく自動解除手段を例示
した平面図である。 １……超高層ビル、２……連結梁 ３……連結梁、４……柱 ５……持出梁、６……緩衝材 ７……ピン、８……ソレノイド ９……楔、10……プランジャ 11……コイルバネ、Ｌ……振巾以上の長さ ｌ……1/2振巾以上の長さEach of the drawings relates to an embodiment of the present invention, and FIG. 1 (1) is a side view for explaining the arrangement of buildings and a joint state between them, and FIG. 1 (2) is a plan view of FIG. 1 (1). 2, FIG. 2 is a cross-sectional view showing an example of a joint portion, FIG. 3 is a plan view showing an example of automatic releasing means for a joint portion, and FIG. 4 is a plan view showing an example of automatic releasing means. 1 ... Skyscraper, 2 ... Connection beam 3 ... Connection beam, 4 ... Pillar 5 ... Takeout beam, 6 ... Buffer material 7 ... Pin, 8 ... Solenoid 9 ... Wedge, 10 ... … Plunger 11 …… Coil spring, L …… Length greater than swing range ………… Length greater than 1/2 swing range
Claims (1)
らを相互に連結すべく水平方向に掛け渡された連結部材
と、 上記各建造物に設けられ、上記連結部材の端部を該建造
物の水平方向振動の振幅以上の長さに亘って支持しつ
つ、該水平振動に伴う該建造物と該連結部材との相対ス
ライド移動を案内する案内支持部材と、 該案内支持部材とこれに支持された上記連結部材の端部
とを係脱すべく、これらに係脱自在に設けられ、係合し
てこれらを剛に連結すると共に、離脱されてこれらの相
対スライド移動を許容するピンと、 該ピンを係脱すべく作動されるアクチュエータと、 上記建造物の振動状態を検知して、上記ピンを離脱させ
るべく上記アクチュエータを作動させるセンサと、 を備えたことを特徴とする高層建造物の制振装置。1. A connecting member horizontally spanning between a plurality of independent buildings to connect them to each other, and an end portion of the connecting member provided on each of the buildings. A guide support member that guides relative sliding movement of the building and the connecting member due to the horizontal vibration while supporting the object over a length equal to or greater than the amplitude of horizontal vibration, and the guide support member and the guide support member. A pin that is releasably provided to these to support and disengage the end of the connecting member, and that engages with them to rigidly connect them and that is disengaged to allow their relative sliding movement. A vibration control of a high-rise building, comprising: an actuator that is operated to disengage the pin; and a sensor that detects a vibration state of the building and operates the actuator to disengage the pin. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63173932A JP2512785B2 (en) | 1988-07-14 | 1988-07-14 | Vibration control device for high-rise buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63173932A JP2512785B2 (en) | 1988-07-14 | 1988-07-14 | Vibration control device for high-rise buildings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0224460A JPH0224460A (en) | 1990-01-26 |
| JP2512785B2 true JP2512785B2 (en) | 1996-07-03 |
Family
ID=15969742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63173932A Expired - Fee Related JP2512785B2 (en) | 1988-07-14 | 1988-07-14 | Vibration control device for high-rise buildings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2512785B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013068076A (en) * | 2012-11-21 | 2013-04-18 | Ohbayashi Corp | Vibration control building, vibration control system and vibration control method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3425609B2 (en) * | 1995-10-20 | 2003-07-14 | 株式会社竹中工務店 | Seismic isolation method for structures and seismic isolation structures |
| JP5008281B2 (en) * | 2005-08-26 | 2012-08-22 | Ｉｈｉ運搬機械株式会社 | Crane seismic isolation device |
| JP5570466B2 (en) * | 2011-03-28 | 2014-08-13 | 大成建設株式会社 | Excitation test method for connecting part of two buildings |
| JP6166560B2 (en) * | 2013-03-19 | 2017-07-19 | 株式会社竹中工務店 | Extension structure of seismic isolation building |
| CN104912349B (en) * | 2015-06-15 | 2017-12-19 | 北京清华同衡规划设计研究院有限公司 | Connected buildings |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0615795B2 (en) * | 1985-10-04 | 1994-03-02 | 三菱重工業株式会社 | Anti-vibration and seismic combination structure of multiple tower structures |
| JP2751371B2 (en) * | 1989-04-21 | 1998-05-18 | 日本電気株式会社 | Call transfer method in subscriber communication system |
| JPH03117997A (en) * | 1989-09-30 | 1991-05-20 | Nec Corp | Key telephone exchange device |
| JPH03151796A (en) * | 1989-11-09 | 1991-06-27 | Ricoh Co Ltd | Private branch exchange system |
| JPH05252275A (en) * | 1992-03-04 | 1993-09-28 | Tamura Electric Works Ltd | Telephone set with di service function |
-
1988
- 1988-07-14 JP JP63173932A patent/JP2512785B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013068076A (en) * | 2012-11-21 | 2013-04-18 | Ohbayashi Corp | Vibration control building, vibration control system and vibration control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0224460A (en) | 1990-01-26 |
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| LAPS | Cancellation because of no payment of annual fees |