Title:
HAT-SHAPED STEEL SHEET PILING
Document Type and Number:
WIPO Patent Application WO/2018/117269
Kind Code:
A1
Abstract:
This hat-shaped steel sheet piling 1 has a web 3, a pair of flanges 5, a pair of arms 7, and a pair of joints 9. The pair of flanges 5 are formed on either end of the web 3, an arm 7 constituting the pair of arms 7 is formed on the end of a flange 5 constituting the pair of flanges 5, and a joint 9 constituting the pair of joints 9 is provided on the tip of the arm 7. The hat-shaped steel sheet piling 1 is characterized by the web 3 having a protruding portion 11 satisfying equation (1) or equation (2) below over the entire length of a steel sheet piling 1.
Here, V is the height (mm) of the protruding portion; W is the width (mm) of the base of the protruding portion (W < 5×V); n is the number of protruding portions; H is the height (mm) of a steel sheet piling step; B is the width (mm) of the steel sheet piling web; t is the thickness (mm) of the steel sheet piling web; and εy is the yield strain of the steel sheet piling.
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Inventors:
ONDA KUNIHIKO (JP)
MICHINO MASASHI (JP)
MICHINO MASASHI (JP)
Application Number:
PCT/JP2017/046264
Publication Date:
June 28, 2018
Filing Date:
December 22, 2017
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
E02D5/04
Domestic Patent References:
| WO2010023929A1 | 2010-03-04 | |||
| WO2012098634A1 | 2012-07-26 |
Foreign References:
| US7278803B1 | 2007-10-09 | |||
| JP2004162460A | 2004-06-10 | |||
| JP2015197037A | 2015-11-09 | |||
| JP2015165074A | 2015-09-17 | |||
| JP2012007325A | 2012-01-12 |
Attorney, Agent or Firm:
FELICITE PATENT PROFESSIONAL CORPORATION (JP)
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