モルタル充填鋼管により座屈拘束された圧縮鋼管部材の変形性能

概要

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The authors have proposed the concept of ductile truss structures replacing critical members to buckling-restrained braces. However, in case of seismic retrofit for existing truss structures, effective buckling restrain method for existing members are required. In this paper, buckling restrain retrofit method using outer-tube and in-filled mortal in-between is proposed, and tested under elasto-plastic compression conditions. Their performances are compared with tubes without restrainer or mortal in-filled tube, and their buckling behaviors are studied by numerical analyses.
社団法人日本建築学会の論文
2005-04-30