| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a foundation pile structure of using a precast pile of integrally manufacturing a pile upper part of requiring load resistant performance and an inexpensive pile lower part.SOLUTION: The foundation pile structure is constituted by burying a concrete precast pile 15 in a pile hole 11 having a foot protection part 13 of injecting cement milk 14 into a tip part. A part positioned on the upper side more than at least the foot protection part 13 of the precast pile 15, is integrally manufactured from the pile upper part 15a of an SC pile structure of integrating a cylindrical steel plate 21 and the pile lower part 15b of a PC structure or being still the PC structure, with a pile of the PC structure or the RC structure as a core material.</p> |
