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Title:
METHOD OF MANUFACTURING STEEL MATERIAL FOR UNDERGROUND CONTINUOUS WALL
Document Type and Number:
WIPO Patent Application WO/2010/092746
Kind Code:
A1
Abstract:
A method of manufacturing a steel material for an underground continuous wall is provided with: a facing step for causing a web section of a steel sheet pile and a flange section of H-shaped steel to face each other; a first fixing step for fixing the steel sheet pile and the H-shaped steel together at a first fixing position; a bend correcting step for correcting both a bend of the steel sheet pile in the width direction thereof and a bend of the H-shaped steel in the width direction thereof by deforming the steel sheet pile and the H-shaped steel; a second fixing step for fixing the steel sheet pile and the H-shaped steel together at a second fixing position separated away from the first fixing position in the longitudinal direction of the steel sheet pile; and a welding step for welding steel sheet pile and the H-shaped steel together in the longitudinal direction of the steel sheet pile.

Inventors:
TERASAKI, Shigeki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
寺崎滋樹 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
TESHIMA, Kei (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
豊島径 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
Application Number:
JP2010/000273
Publication Date:
August 19, 2010
Filing Date:
January 19, 2010
Export Citation:
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Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目6番1号 Tokyo, 〒1008071, JP)
TERASAKI, Shigeki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
寺崎滋樹 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
TESHIMA, Kei (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
International Classes:
E02D5/04; B23K9/00; B23K31/00; E02B3/10
Foreign References:
JP2002212943A
JP2007054838A
JPS58132659U
JPH04149311A
JPH0584490U
Attorney, Agent or Firm:
SHIGA, Masatake et al. (1-9-2, MarunouchiChiyoda-ku, Tokyo 20, 〒1006620, JP)
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