リングスチフナで補強される送電用鋼管トラス鉄塔節点の設計方法に関する研究 : その1 リングスチフナで補強される鋼管の局部変形耐力

概要

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To predict local behavior of ring-stiffened joints for tubular steel trussed towers, strength and deformation criteria are quantitatively derived from parametric experiments and FEM analyses. As results, #1 Criterion of yield strength is decided by considering local deformation, which is the modified fundamental strength, based on T-shaped section. This yield strength is also evaluated by 0.5%-offset method. #2 Ratio of the proposed yield strength to the ordinary fundamental strength is well correlated to ratio of the ring width outside a tubular steel to the diameter of a tubular steel. #3 Effect of axial force is considered as a reduction factor against the yield strength under no axial force.
社団法人日本建築学会の論文
2000-06-30