フラクタル幾何学に基づく積層アーチの風荷重に対する力学的性質に関する研究

概要

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This paper describes the static characteristics of a layered arch with fractal geometric form against wind loading. Wind tunnel test is conducted to acquire the wind force coefficient. It can be thought separated flow is found near the top of the structure through the distribution obtained experimentally as a whole. Subsequently analytical results show the stress distribution is similar to other arches that have a same rise angle and a different iterated times. Intensity of the stress becomes large with increase of the rise angle and iterated time. It means the arch with small rise angle have a rationality more than other one with larger rise angle. The above results show the layered arch structure has possibility enough although it has complex configuration affected by wind.
社団法人日本建築学会の論文
2004-02-28