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Title:
OUT-OF-PLANE GUSSET WELDED JOINT AND FABRICATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/024784
Kind Code:
A1
Abstract:
Provided is a fabrication method of an out-of-plane gusset welded joint which is provided with a base plate, a gusset plate projecting from the surface of the base plate, and a fillet weld. In the fabrication method, an end of the gusset plate in the plate width direction at an end in the longitudinal direction is cut away in the plate width direction (w) to form a cut-away portion; the gusset plate is arranged on the surface of the base plate and fillet welding is performed so that an intended leg length d2 on the gusset plate side is not less than the height (a) of the cut-away portion to form a fillet weld in which the leg length d2' on the gusset plate side is not less than 1/3 of the thickness t2 of the gusset plate, and the leg length d2', the leg length d1' on the base plate side, the penetration length x', and the penetration angle θ' satisfy x' + d1' > d2'/sinθ'; and, at least the toe of the boxing weld portion of the fillet weld on the base plate side is subjected to an impact treatment to improve the fatigue properties.

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Inventors:
SHIMANUKI Hiroshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
島貫　広志 (〒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:
JP2010/064240
Publication Date:
March 03, 2011
Filing Date:
August 24, 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)
SHIMANUKI Hiroshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
International Classes:
B23K9/02; B23K31/00; B23K33/00
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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