| 摘要 |
PROBLEM TO BE SOLVED: To provide a foundation structure at a pier lower portion or a tower lower portion, which solves increase in cost of materials such as piles due to attainment of resistance of the foundation structure at the time of an earthquake, and increase in cost for extended lot caused by enlargement of the foundation structure. SOLUTION: The foundation structure at the pier lower portion or the tower lower portion, has a polygonal cross section, and is formed of: piles which are arranged at vertexes of a polygon or vertexes and sides of the same, and each have joints; and steel sheet piles arranged between the arranged piles so as to form sides of the polygon, and each have joints. Then each pile and each steel sheet pile are fitted to each other via their joints to form the polygon in which a time-hardening material is filled to be bound to a connection member. COPYRIGHT: (C)2008,JPO&INPIT
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