コイルばねを鉛直設置した免震装置に関する研究 : 第1報,弾性コイルばねの静的加力実験(機械力学,計測,自動制御)

概要

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This paper describes static loading tests results of earthquake isolation system using vertically utilized coiled springs and discusses analytical model for elastic coiled springs. The static loading tests were carried out for two types of elastic coiled spring in which had a different material SUP 9 and SUS 304 stainless steel. The elastic coiled springs were designed to provide a 10 000 kg rated mass with a horizontal natural frequency about 0.20 Hz and that they could accept a displacement of about 200 mm or more. Fundamental characteristics of the elastic coiled springs such as transverse stiffness of coiled spring and the effects of the restoring force characteristics by the difference between the pressurization directions were clarified through the static tests. These characteristics of transverse stiffness of elastic coiled spring were analyzed using simple model good results were obtained.
社団法人日本機械学会の論文
2008-03-25