K-NETを用いた地震観測記録に基づく非定常ランダム入力モデルの構築と複合免震構造の最適設計について

概要

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This paper presents 1) the estimation of non-stationary random parameters based on the earthquake observation records with K-NET and 2) the optimum design of the dual base isolated structures under some random earthquake excitations. The non-stationary random parameters are the amplitude level σ_f, the predominant angular frequency ω_g and the shape factor h_g of the earthquake excitation. These random parameters are calculated for the active faulting destruction and the plate boundary earthquakes occurred from Year 1995 in 2008, respectively. From the viewpoint of preservation of seismic safety, the optimum design of the dual base isolated devices is discussed for the 2003 Tokachi offshore type, the 2004 Southeast offshore of Kii peninsula type, the 2004 Mid- Niigata Prefecture type and the 2005 West offshore of Fukuoka Prefecture type random earthquake excitations.
一般社団法人日本建築学会の論文
2010-03-27