| 摘要 |
PROBLEM TO BE SOLVED: To provide a pre-stressed concrete pile with a solid structure which is constituted to comply with JIS standard A5373.SOLUTION: A pre-stressed concrete pile includes PC steel and reinforcement bars, which are placed in the axis direction of a pile having a generally uniform cross section, and which have a reinforcement ratio of 0.4% or higher and include at least six reinforcement bars in the total area of the pile's cross section. The pre-stressed concrete pile comprises: six or more axis-direction reinforcement bars 12 which are arranged at equal angle intervals on a circle with a certain radius; and a pile main body 15, which has a polygonal cross section, has some or all of the corners of the polygon disposed at positions corresponding to some or all of the six or more axis-direction reinforcement bars, and is completely filled with concrete 14 between its outer surface and axis. |
