地震力を受けるせん断型多層骨組の損傷分布に関する研究

概要

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When damage distributions in multi-story frames caused by earthquakes are evaluated, it is important to define the yield-shear force coefficient distribution which produces the state (optimum yield-shear force coefficient distribution) in which the acumulated inelastic deformation ratios in every story become equal. Many suggestions for the optimum distribution have been made. These optimum distributions, however, could cause the damage to be concentrated at the upper stories of frames. In this paper, an optimum yield-shear force coefficient distribution, by which the damege caused by earthquakes is not concentrated at the upper stories of frames, is derived through inelastic response analyses. On the basis of the above optimum distribution, a strength amplification factor of first-story energy-concentrated structure is also derived through inelastic response analyses.
一般社団法人日本建築学会の論文
1991-03-15