A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
AIR LEVITATION TYPE SEISMIC ISOLATION DEVICE
PROBLEM TO BE SOLVED: To provide an air levitation type seismic isolation device capable of improving durability of an expansion pipe.SOLUTION: An air levitation type seismic isolation device comprises: a foundation consisting of an upper foundation plate and a lower foundation plate; a groove, which is formed on a bottom face of the upper foundation plate and partitions the space between the upper foundation plate and the lower foundation plate into multiple air pressure rooms; an expansion pipe buried in the groove, which expands by being supplied with air to block a surrounding section in a horizontal direction of the air pressure room; a protector, which is formed on an outer surface of the expansion pipe and made from harder material than the expansion pipe, contacts to a top face of the lower foundation plate and extends in a longer direction of the expansion pipe; and an air injection valve, which is formed on the upper foundation plate and allows air to be injected into the air pressure room when air injection holes formed on side faces of an inner cylinder and an outer cylinder match and stops air to be injected when the upper foundation plate floats up and the air injection holes on the outer cylinder and the inner cylinder are misaligned.SELECTED DRAWING: Figure 5
【課題】膨張管の耐久性を向上できる空気浮揚式免震装置を提供する。【解決手段】上基礎プレートと下基礎プレートからなる基礎と、上基礎プレートの底面に形成され、上基礎プレートと下基礎プレートの間を複数の空気圧力室に区画する溝と、溝に埋め込まれ、空気が供給されて膨張し、空気圧力室の水平方向の周囲を塞ぐ膨張管と、膨張管の外側に形成され、膨張管より硬い材質からなり、下基礎プレートの上面に接触し、膨張管の長手方向に伸びるプロテクタと、上基礎プレートに設けられ、内筒と外筒の側面に設けられた空気注入孔が一致した状態では空気が空気圧力室に注入され、上基礎プレートが浮揚して外筒と内筒の空気注入孔がずれると、空気の注入が停止される空気注入バルブと、が備えられる。【選択図】図５
AIR LEVITATION TYPE SEISMIC ISOLATION DEVICE
PROBLEM TO BE SOLVED: To provide an air levitation type seismic isolation device capable of improving durability of an expansion pipe.SOLUTION: An air levitation type seismic isolation device comprises: a foundation consisting of an upper foundation plate and a lower foundation plate; a groove, which is formed on a bottom face of the upper foundation plate and partitions the space between the upper foundation plate and the lower foundation plate into multiple air pressure rooms; an expansion pipe buried in the groove, which expands by being supplied with air to block a surrounding section in a horizontal direction of the air pressure room; a protector, which is formed on an outer surface of the expansion pipe and made from harder material than the expansion pipe, contacts to a top face of the lower foundation plate and extends in a longer direction of the expansion pipe; and an air injection valve, which is formed on the upper foundation plate and allows air to be injected into the air pressure room when air injection holes formed on side faces of an inner cylinder and an outer cylinder match and stops air to be injected when the upper foundation plate floats up and the air injection holes on the outer cylinder and the inner cylinder are misaligned.SELECTED DRAWING: Figure 5
【課題】膨張管の耐久性を向上できる空気浮揚式免震装置を提供する。【解決手段】上基礎プレートと下基礎プレートからなる基礎と、上基礎プレートの底面に形成され、上基礎プレートと下基礎プレートの間を複数の空気圧力室に区画する溝と、溝に埋め込まれ、空気が供給されて膨張し、空気圧力室の水平方向の周囲を塞ぐ膨張管と、膨張管の外側に形成され、膨張管より硬い材質からなり、下基礎プレートの上面に接触し、膨張管の長手方向に伸びるプロテクタと、上基礎プレートに設けられ、内筒と外筒の側面に設けられた空気注入孔が一致した状態では空気が空気圧力室に注入され、上基礎プレートが浮揚して外筒と内筒の空気注入孔がずれると、空気の注入が停止される空気注入バルブと、が備えられる。【選択図】図５
AIR LEVITATION TYPE SEISMIC ISOLATION DEVICE
空気浮揚式免震装置
SAKAMOTO SHOICHI (author)
2016-05-19
Patent
Electronic Resource
Japanese
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