A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
VIBRATION ISOLATION STRUCTURE
To provide a vibration isolation structure which can attenuate vibration in two or more directions by using a small number of attenuation dampers, and can suppress the vibration of an upper structure with respect to fine vibration such as traffic vibration.SOLUTION: In a vibration isolation structure 50 arranged between an upper structure 10 and a lower structure 20 and having a vibration isolation pivot 30 and an attenuation damper 40, the attenuation damper 40 has a lower plate 42, an upper plate 41, and a metal attenuation member 44 for connecting the plates. The upper structure 10 has a protrusion 12 (or a stopper 46), the upper plate 41 has the stopper 46 (or the protrusion 12), a horizontal clearance G1 in at least two directions formed between the protrusion 12 and the stopper 46, and a vertical clearance G2 formed between a top face opposing the protrusion 12 in a vertical direction and the upper plate 41 (or the upper structure 10) opposing the top face. When the upper structure 10 and the lower structure 20 are relatively displaced by a prescribed relative displacement amount, the protrusion 12 and the stopper 46 abut on each other, and the attenuation damper 40 functions.SELECTED DRAWING: Figure 5
【課題】少ない数の減衰ダンパーにて２以上の方向の揺れを減衰することができ、交通振動等の微振動に対する上部構造体の振動を抑制できる免震構造を提供すること。【解決手段】上部構造体１０と下部構造体２０の間に配設され、免震支承３０と減衰ダンパー４０を備えた免震構造５０であって、減衰ダンパー４０は、下部プレート４２と上部プレート４１とそれらを繋ぐ金属減衰部材４４とを有し、上部構造体１０は凸部１２（又はストッパー４６）を有し、上部プレート４１はストッパー４６（又は凸部１２）を有し、凸部１２とストッパー４６との間には少なくとも２方向の水平隙間Ｇ１を有し、凸部１２の鉛直方向に対向する頂面と、頂面が対向する上部プレート４１（又は上部構造体１０）の間には鉛直隙間Ｇ２を有し、上部構造体１０と下部構造体２０が所定の相対変位量で相対変位した際に凸部１２とストッパー４６が当接して減衰ダンパー４０が機能する。【選択図】図５
VIBRATION ISOLATION STRUCTURE
To provide a vibration isolation structure which can attenuate vibration in two or more directions by using a small number of attenuation dampers, and can suppress the vibration of an upper structure with respect to fine vibration such as traffic vibration.SOLUTION: In a vibration isolation structure 50 arranged between an upper structure 10 and a lower structure 20 and having a vibration isolation pivot 30 and an attenuation damper 40, the attenuation damper 40 has a lower plate 42, an upper plate 41, and a metal attenuation member 44 for connecting the plates. The upper structure 10 has a protrusion 12 (or a stopper 46), the upper plate 41 has the stopper 46 (or the protrusion 12), a horizontal clearance G1 in at least two directions formed between the protrusion 12 and the stopper 46, and a vertical clearance G2 formed between a top face opposing the protrusion 12 in a vertical direction and the upper plate 41 (or the upper structure 10) opposing the top face. When the upper structure 10 and the lower structure 20 are relatively displaced by a prescribed relative displacement amount, the protrusion 12 and the stopper 46 abut on each other, and the attenuation damper 40 functions.SELECTED DRAWING: Figure 5
【課題】少ない数の減衰ダンパーにて２以上の方向の揺れを減衰することができ、交通振動等の微振動に対する上部構造体の振動を抑制できる免震構造を提供すること。【解決手段】上部構造体１０と下部構造体２０の間に配設され、免震支承３０と減衰ダンパー４０を備えた免震構造５０であって、減衰ダンパー４０は、下部プレート４２と上部プレート４１とそれらを繋ぐ金属減衰部材４４とを有し、上部構造体１０は凸部１２（又はストッパー４６）を有し、上部プレート４１はストッパー４６（又は凸部１２）を有し、凸部１２とストッパー４６との間には少なくとも２方向の水平隙間Ｇ１を有し、凸部１２の鉛直方向に対向する頂面と、頂面が対向する上部プレート４１（又は上部構造体１０）の間には鉛直隙間Ｇ２を有し、上部構造体１０と下部構造体２０が所定の相対変位量で相対変位した際に凸部１２とストッパー４６が当接して減衰ダンパー４０が機能する。【選択図】図５
VIBRATION ISOLATION STRUCTURE
免震構造
WATANABE ATSUSHI (author) / KONISHI KATSUNAO (author) / NISHIZAWA TAKAO (author)
2020-01-16
Patent
Electronic Resource
Japanese
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