Title:
STEEL SHEET PILE
Document Type and Number:
WIPO Patent Application WO/2015/159445
Kind Code:
A1
Abstract:
A steel sheet pile is characterized in that a workability evaluation coefficient (C) and an economic evaluation coefficient (E) expressed by formulas (18, 19) below satisfy any of the conditions (24 - 28) below when the unit weight of the soil of the target foundation (γ) is 1.8×10-8 kN/mm3, the coefficient of friction (μ) between the soil and the steel sheet pile is tan15°, the Rankine passive earth pressure coefficient (ν) is tan2(45°+(√15×N+15)/2), the N value is 20, and the installation depth (Zν) is 15000 mm. C=Fclosure/A (18) E=A0/Ze (19) 0.12 ≤ C ≤ 0.66 and -0.0225×C+0.066 ≤ E ≤ 0.08 (24) 0.66 < C ≤ 0.85 and -0.0225×C+0.066 ≤ E ≤ -0.0306×C+0.0997 (25) 0.85 < C ≤ 0.89 and 0.0469 ≤ E ≤ -0.0306×C+0.0997 (26) 0.89 < C ≤ 1.04 and 0.0469 ≤ E ≤ 0.0077×C+0.0793 (27) 1.04 < C ≤ 1.20 and 0.0469 ≤ E ≤ 0.0795 (28)
Inventors:
SUZUKI TAKASHI (JP)
NAKAYAMA HIROAKI (JP)
KATO ATSUSHI (JP)
HARATA NORIYOSHI (JP)
TANAKA RYUTA (JP)
TODA KAZUHIDE (JP)
HAYASHI SHINYA (JP)
YAMASHITA HIROSHI (JP)
NAKAYAMA HIROAKI (JP)
KATO ATSUSHI (JP)
HARATA NORIYOSHI (JP)
TANAKA RYUTA (JP)
TODA KAZUHIDE (JP)
HAYASHI SHINYA (JP)
YAMASHITA HIROSHI (JP)
Application Number:
PCT/JP2014/068070
Publication Date:
October 22, 2015
Filing Date:
July 07, 2014
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
E02D5/04
Foreign References:
| JP4873097B2 | 2012-02-08 |
Attorney, Agent or Firm:
HAGIWARA, Yasushi et al. (JP)
Yasushi Hagiwara (JP)
Yasushi Hagiwara (JP)
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