| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a steel pipe pile capable of being easily pressed in without depending on welding accompanied with a large number of man-hours and danger by examining vertical joining of the steel pipe pile at construction site. SOLUTION: In the steel pipe pile 1 in which flanges 2a, 2b which an upper pile 1a and a lower pile 1b are provided therebetween, respectively, are connected by a bolt and a nut, a flange pressing-in guide 4 is provided below the flange 2a on a pile upper part side. The flange pressing-in guide 4 is a spiral blade 5 having slightly smaller radius of rotation than radius of the flange or a plurality of inclined blades 6 having small radius of rotation and provided at outer periphery of a pipe downward. COPYRIGHT: (C)2003,JPO
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