SEISMIC ISOLATION DEVICE INSTALLATION METHOD AND INSTALLATION STRUCTURE

To safely carry out installation work of a seismic isolation device by increasing resistance to horizontal external force acting on a building during the installation work while facilitating the installation work.SOLUTION: An upper structure has an upper horizontal portion and an upper connection po...

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Bibliographische Detailangaben
Hauptverfasser: HATANO TAKATOSHI, SAKAI TOSHIMITSU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To safely carry out installation work of a seismic isolation device by increasing resistance to horizontal external force acting on a building during the installation work while facilitating the installation work.SOLUTION: An upper structure has an upper horizontal portion and an upper connection portion including first and second upper protruding portions protruding downwardly from the upper horizontal portion and spaced apart in a first direction. A lower structure has a lower horizontal portion and a lower connecting portion including first and second lower protruding portions projecting upwardly from the lower horizontal portion and spaced apart in the first direction. An installation method for a seismic isolation device includes a horizontal opposing member installation step of arranging a horizontal opposing member opposing a horizontal external force in the first direction along the first direction between the first upper protruding portion and the second upper protruding portion, and between the first lower protruding portion and the second lower protruding portion, and a connecting step of connecting between the horizontal opposing member and the upper connecting portion and between the horizontal opposing member and the lower connecting portion after the horizontal opposing member installation step.SELECTED DRAWING: Figure 5 【課題】免震装置の設置工事の施工を容易にしつつ、施工中に建物に作用する水平外力に対する耐力を高めて安全に施工すること。【解決手段】上部構造は上部水平部と、上部水平部から下方に突出し、かつ、第1方向に間隔を空けて配された第1上部突出部及び第2上部突出部とを含む上部連接部を有し、下部構造は下部水平部と、下部水平部から上方に突出し、かつ、第1方向に間隔を空けて配された第1下部突出部及び第2下部突出部とを含む下部連接部を有し、免震装置の設置工法は、第1上部突出部と第2上部突出部との間であり、かつ、第1下部突出部と第2下部突出部との間に、第1方向の水平外力に対抗する水平対抗部材を第1方向に沿って配置する水平対抗部材設置工程と、水平対抗部材設置工程より後において、水平対抗部材と上部連接部との間及び水平対抗部材と下部連接部との間を繋ぐ連接工程と、を有する。【選択図】図5