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    • 1. 发明专利
    • Junction structure and truss structure
    • 结构结构和结构
    • JP2013040551A
    • 2013-02-28
    • JP2012110075
    • 2012-05-11
    • Nippon Steel & Sumikin Engineering Co Ltd新日鉄住金エンジニアリング株式会社Nippon Steel & Sumitomo Metal新日鐵住金株式会社
    • YAMAZAKI SHINSUKESAEKI EIICHIROSAKURAI NOBUAKINISHIMURA MASATOMOTOMINAGA NORIYOSHI
    • E04B1/58E04B1/19E04C3/08
    • E01D1/00E01D6/00E01D2101/30E04C2003/0491
    • PROBLEM TO BE SOLVED: To provide a junction structure and a truss structure which are excellent in fatigue resistance against fluctuation stress and by which manufacturing cost is suppressed and proper constructibility is obtained.SOLUTION: As branch pipes 2 are joined to an outer peripheral surface 1A of a main pipe 1 via a cover plate 4 fixed thereon, the manufacturing cost of the cover plate can be suppressed in comparison with a cast cylindrical hardware having a complicate shape and the like, and as the cover plate 4 is fixed to the main pipe 1 by fillet-welding, processing cost can be also reduced. A protruding surface part 42 having a thin wall part 44 with a thinner plate thickness than a connection surface part 41 is formed in the cover plate 4. Thus, when transmitting stress from the branch pipes 2 connected with the connection surface part 41 to the main pipe 1, the thin wall part 44 can be properly deformed to alleviate the concentration of stress to the main pipe 1 and the fatigue resistance against fluctuation stress can be improved.
    • 要解决的问题:提供一种耐波动应力的耐疲劳性优异的接合结构和桁架结构,并且制造成本被抑制并且获得适当的构造性。 解决方案:由于分支管2经由固定在其上的盖板4连接到主管1的外周表面1A,与具有复杂的铸造圆柱形硬件相比,可以抑制盖板的制造成本 形状等,并且当盖板4通过圆角焊接固定到主管1时,也可以降低加工成本。 在盖板4上形成有具有比连接面部41薄的薄壁部44的突出面部42。因此,当将与连接面部41连接的分支管2的应力向主体 管1,薄壁部44可以适当地变形以减轻对主管1的应力集中,并且可以提高抗波动应力的抗疲劳性。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Reinforcing structure of truss bridge or arch bridge
    • 加固桥梁或桥梁的结构
    • JP2004092346A
    • 2004-03-25
    • JP2002258898
    • 2002-09-04
    • Asahi Engineering KkEko Japan KkSe Corpエコ ジャパン株式会社朝日エンヂニヤリング株式会社株式会社エスイー
    • TOKUNO MITSUHIROSAITO FUMIHIROTAKESHIMA MASAONAKAI YOSHIAKI
    • E01D1/00E01D4/00E01D6/00E01D22/00
    • E01D1/005E01D6/00E01D22/00
    • PROBLEM TO BE SOLVED: To impart an upward force by the cooperation of auxiliary triangular-structure ribs extended at both ends of a trussed girder or an arched girder and a tension cable stretched between the ribs, and to effectively raise a load-carrying capacity.
      SOLUTION: In the reinforcing structure of a truss bridge or an arch bridge, the auxiliary triangular-structure ribs 9 are extended into each main triangular-structure rib 6 on one end side and the other end side of the trussed girder 2 or the arched girder, respectively, and each auxiliary rib 9 is connected to the rib on each side of each main rib 6 at each apex of the auxiliary ribs 9, respectively. In the reinforcing structure, a cable 10 extended in the bridge-length direction is stretched between a section in the vicinity of a connecting section at the apex of the auxiliary rib 9 on one end side and a section in the vicinity of the connecting section at the corresponding apex of the auxiliary rib 9 on the other end side, the cable 10 is tensed while interposing a deflection means 11 imparting a downward force to the cable 10 between the cable 10 and the lower chord material 3 of the trussed girder 2 or the arched girder and the upward force is imparted to the lower chord material 3 through the deflection means 11 by a reaction accompanied by the tension of the cable 10.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:通过在桁架梁或拱形梁的两端延伸的辅助三角形结构肋和在肋之间延伸的张力缆线的协助来赋予向上的力,并且有效地提高载荷 - 承载能力。 解决方案:在桁架桥或拱桥的加固结构中,辅助三角形肋9延伸到桁架梁2的一端侧和另一端侧上的每个主三角形肋6中,或 拱形梁分别和每个辅助肋9分别在辅助肋9的每个顶点处连接到每个主肋6的每一侧上的肋。 在加强结构中,在长度方向延伸的电缆10在一端侧的辅助肋9的顶点的连接部附近与连接部的附近的截面之间的部分之间被拉伸 在另一端侧的辅助肋9的相应的顶点,电缆10被拉紧,同时插入向缆索10和桁架梁2的下弦桁材3之间向缆线10施加向下的力的偏转装置11或 通过伴随电缆10的张力的反应,通过偏转装置11向下弦材料3施加向上的力。(C)2004,JPO