鋼構造物の耐震安全性について (2) : 主として, 整形ラーメン形式架構を対象として, 応用編

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  • ASEISMIC CAPACITY OF STEEL STRUCTURES (II) : Applications; Rigid Frames without Braces Composed of H-Columns
  • コウ コウゾウブツ ノ タイシン アンゼンセイ ニ ツイテ 2 シュ ト シテ

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In order to make sure the reasonableness of the analytical equations and methods presented in the previous paper which gave the flexural deformation characteristics and fatigue characteristics of structural members and sections composed of plate elements, calculations on H-columns are carried out, and their results are compared with test results. As an application example, using the analytical equations and procedures mentioned above, calculations are performed in order to estimate the aseismic capacity of column-yielding type rigid frames without braces composed of 300mm series H-columns. As a result, it is shown that cross sectional area ratios between flange and web elements of H-sections and axial load level ratios are the main factors for the aseismic safety of such frames and that the critical load level ratio is found to be about 1/6.

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