| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure of a steel pipe capable of preventing a connection part from becoming a fragile part and increasing its strength. SOLUTION: A plurality of joint parts 12 are provided by separating them from each other in the peripheral direction of outer peripheral parts of a plurality of steel pipes 10 having a circular shape and driven into the ground. Each steel pipe 10 is buried in such a way that two joint parts 12 of the steel pipe 10 on one side oppose to two joint parts 12 of the steel pipe 10 on the other side between adjacent steel pipes 10, respectively. The opposing joint parts 12 are mutually connected by a pair of curved connection plate members 14. One surrounded part 16 is constituted by the pair of connection plate members 14 and peripheral faces of a part of each of adjacent steel pipes 10. COPYRIGHT: (C)2007,JPO&INPIT
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