A STUDY ON STRUCTURAL PROPERTIES OF TUBE-TO-THROUGH SEPARATE GUSSET PLATE JOINTS : Effect of stiffener-ring to restrain local deformation and stress concentration

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  • 鋼管割込みセパレート型ガセットプレート継手の力学的性状 : スチフナーリングによる局部補剛効果について
  • コウカン ワリコミ セパレートガタ ガセット プレート ツギテ ノ リキガクテキ セイジョウ スチフナーリング ニ ヨル キョクブホゴウコウカ ニ ツイテ

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This study is about the truss beams composed of under-bowstring prestressed with steel wire tendon. The steel wire tendon needs to pass through the joints of under-bowstring. The separate gusset plate joints enable the steel wire tendon to pass through. The mechanical behaviors of tube-to-through separate gusset plate joints are strongly affected by the effect of stiffener-ring to restrain local deformation and stress concentration. The purpose of this experimental study is to definite the relation between the stiffness of stiffener-ring and stress concentration. It is suggested that the strain ratio of the tube influences the deformation capacity of steel bowstring.

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