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    • 3. 发明专利
    • Joining structure and joining method
    • 接合结构和接合方法
    • JP2006231340A
    • 2006-09-07
    • JP2005045294
    • 2005-02-22
    • Ishikawajima Harima Heavy Ind Co LtdJfe Steel KkJfeスチール株式会社石川島播磨重工業株式会社
    • NAKANISHI YASUMASAYUKI MASAHIROYAMAOKA HIROTOINOSE KOTAROKIJI NOBORUMORIKAGE YASUSHIYASUDA KOICHIKUBO TAKAHIRO
    • B23K31/00B23K9/00B23K9/02B23K103/04E01D21/00E04B1/58
    • PROBLEM TO BE SOLVED: To provide a joining structure capable of excellently joining girder members with each other by using a high-strength bolt joint.
      SOLUTION: The joining structure comprises a splice plate abutted on each side face of a first girder member 10 and a second girder member 10, and a bolt member 4 to couple each of the first and second girder members with the splice plate 3. An end face of the first girder member and an end face of the second girder member are welded to each other by using a predetermined welding material. A weld metal 5 generated by the welding generates a martensitic transformation in the cooling process after the welding. The state of the weld metal when the martensitic transformation is started is defined as a first state, and the state of the weld metal cooled to the room temperature is defined as a second state. The material composition of the weld metal is set so that the expansion or contraction in the second state to that in the first state of the weld metal is below a predetermined permissible value.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过使用高强度螺栓接头来提供能够将梁连接件彼此良好地接合的接合结构。 解决方案:接合结构包括接合在第一梁构件10和第二梁构件10的每个侧面上的接合板和用于将第一和第二梁构件中的每一个与接合板3联接的螺栓构件4 第一梁构件的端面和第二梁构件的端面通过使用预定的焊接材料彼此焊接。 通过焊接生成的焊接金属5在焊接后的冷却工序中产生马氏体相变。 将马氏体相变开始时的焊接金属的状态定义为第一状态,将冷却至室温的焊接金属的状态定义为第二状态。 焊接金属的材料成分被设定为使得第二状态的膨胀或收缩与焊接金属的第一状态的膨胀或收缩低于预定的允许值。 版权所有(C)2006,JPO&NCIPI