| 摘要 |
PROBLEM TO BE SOLVED: To provide a steel pipe pile whose end is provided constitutionally with a spiral blade, and which prevents soil from adhering to the end of the steel pipe pile and the spiral blade mounted at the end thereof, so as to interfere with excavation, in the excavation into ground. SOLUTION: A structure of the steel pipe pile 1, whose end 1a is fitted with the spiral blade 2, is constituted by providing an enameled layer 3 all over a surface of the spiral blade 2a and that of the end 1a by virtue of enameling. |
