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Title:
FOUNDATION PILE GROUP
Document Type and Number:
WIPO Patent Application WO/2011/155619
Kind Code:
A1
Abstract:
Disclosed is a foundation pile group that is configured from foundation piles that can reliably support the total bearing capacity required and of which the construction is easy. The foundation pile group (10) is configured from a plurality of foundation piles (1a, 1b, 1c, 1d), is installed in the ground (90), and supports a structure (80). The foundation piles (1a, 1b, 1c, 1d) are each equipped with: a steel pipe (the same as the pile bodies) (2a, 2b, 2c, 2d); and a helical vane (3a, 3b, 3c, 3d) that is nearly helical and that is affixed to end or the vicinity of the end of the steel pipe (2a, 2b, 2c, 2d). Also, the outer diameters of the helical vanes (3a, 3b, 3c, 3d) are formed nearly equally.

Inventors:
HAYASHI, Masahiro (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
Application Number:
JP2011/063424
Publication Date:
December 15, 2011
Filing Date:
June 06, 2011
Export Citation:
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Assignee:
JFE STEEL CORPORATION (2-3Uchisaiwai-cho 2-chome, Chiyoda-ku Tokyo, 11, 〒1000011, JP)
JFEスチール株式会社 (〒11 東京都千代田区内幸町二丁目2番3号 Tokyo, 〒1000011, JP)
International Classes:
E02D27/12; E02D5/56; E02D27/14
Foreign References:
JP2007113270A
Other References:
'Kui Kiso Sekkei Benran' HEISEI 18 NENDO REVISED EDITION, JAPAN ROAD ASSOCIATION 27 April 2007, pages 115 - 120, 436 - 438
KOKAN KUI -SONO SEKKEI TO SEKO, REVISED 12TH EDITION, JAPANESE TECHNICAL ASSOCIATION FOR STEEL PIPE PILES AND SHEET PILES 01 April 2009, pages 92 - 93
Attorney, Agent or Firm:
OCHIAI, Kenichiro (JFE TECHNO-RESEARCH CORPORATION 7th floor, Yanagiya building, 1-10, Nihonbashi 2-chome, Chuo-k, Tokyo 27, 〒1030027, JP)
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Claims: