| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reinforcing structure of an opening part of a metallic pipe column for hardly causing stress concentration, even when a repetitive vibration load is applied to the opening part of the metallic pipe column. <P>SOLUTION: The reinforcing structure of the opening part of the metallic pipe column is a reinforcing structure of an opening part 2 formed in a side wall of the metallic pipe column, wherein a frame-shaped reinforcing member 22 is connected by butt welding over the whole periphery on the inner periphery of a cutout end surface 21 of the circular- or oval-shaped opening part 2. <P>COPYRIGHT: (C)2008,JPO&INPIT |
