| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-quality supporting structure for a concrete foundation allowing easy designing, construction and the like. SOLUTION: In this supporting structure S for the concrete foundation (a footing foundation 20) based on a pile (a cast-in-place concrete pile 10), the concrete foundation is formed of a bottom part 21 and a main body part 22 on it. A designing standard strength of concrete in the bottom part is greater than that of the main body part. COPYRIGHT: (C)2003,JPO
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