降伏点強度の偏心による建物のねじれ振動に関する研究(その1) : 振動モデルと弾性応答解析について

概要

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The torsional vibration is excited by the eccentricity of the mass, the stiffness and the yield strength of the earthquake resistant elements. In this paper, the dynamic eccentricity ratio is used to explain the torsional vibration. The dynamic eccentricity ratio is the amount of the maximum torsional moment divided by the maximum shear force of the response system having same T_0. In the torsional vibration models which are controlled by several parameters, the relation between the dynamic eccentricity ratio and the static eccentricity ratio is studied in detail. The point to which special attention should be paid, is that the dynamic eccentricity ratio is quite larger than the static eccentricity ratio within the range which the value of the static eccentricity ratio is smaller than 0.18,when the ratio of the both side earthquake resistant elements in the direction at right angles is small.
愛知工業大学の論文