*Shinkansen Br. (end of gusset attached to a flange) : Fillet radius enlargement by machine cut[#ubb05dc3] *新幹線の橋梁(フランジに取り付けられたガセットプレート端部):フィレットの半径を機械切断で拡大[#ubb05dc3] **1.Field of application [#ve670e16] > Shinkansen bridges in Japan < >新幹線の橋梁 **2.Circumstances of repair [#m2659dcf] > From the end of a gusset attached to a flange, fatigue cracks was worried < >フランジに取り付けられたガセットプレートの端部から疲労き裂の発生が懸念された。 **3.Types of structure [#y28f4269] > Steel bridges, Deck or Trough girders, Trough trusses. < >鋼橋、上路・下路鈑桁橋、下路トラス橋 **4.Details of loading [#b6740cd8] > 220 Shinkansen trains /day, < 220 Shinkansen trains /day, > >220新幹線車両/日 **5.Description fo damage and repair method applied [#ra6ec239] > CENTER:&attachref(fillet20.gif);&br;&br; CENTER:&attachref(fillet21.jpg);&br;&br; CENTER:&attachref(fillet22.jpg);&br;&br; CENTER:&attachref(fillet23.jpg);&br;&br; <