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    • 1. 发明专利
    • Composite steel-concrete girder structure of bridge, and its construction method
    • 桥梁复合钢混凝土结构及其施工方法
    • JP2007126813A
    • 2007-05-24
    • JP2005302669
    • 2005-10-18
    • Dps Bridge Works Co LtdMitsui Eng & Shipbuild Co Ltdドーピー建設工業株式会社三井造船株式会社
    • KAIDA RYUICHINISHIYAMA KENICHIIDENO MAYUKOTATSUGAMI HISAOYASUMORI HIROSHIOKADA NORIKO
    • E01D1/00
    • PROBLEM TO BE SOLVED: To provide a composite steel-concrete girder structure of a bridge, the height of which can be decreased, which reduces manufacturing costs by reducing welded places, which can keep construction costs low by enabling the simplification of work on a construction site and the shortening of a construction period, and which is erected particularly in a middle-sized or short span, and a construction method for the composite steel-concrete girder structure.
      SOLUTION: In a main girder 10, a lower flange 11b is welded and joined to a lower end of a steel web 11a, and an upper flange 12 made of reinforced concrete is placed at an upper end. The main girders 10 are carried into a construction site and juxtaposed; a transverse prestressing steel wire 13 (not shown in Fig.) is clamped in the state of penetrating in a direction perpendicular to a bridge axis; and the upper flanges 12 are fastened together so that a floor slab can be formed. The upper flange 12 serves as a supporting flange 22 (not shown in Fig.), so that the main girder can be easily carried into the construction site by decreasing the width of the upper flange 22. A receiving flange part 22a is formed in the lower part of the supporting flange 22, and a precast PC slab 23 and an RC floor slab 24 are supported in the state of being laid between the receiving flange parts 22a of the supporting flanges 22 adjacent to each other.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种桥梁的复合钢混凝土梁结构,其高度可以减小,这可以通过减少焊接位置来降低制造成本,这可以通过使工作简化来保持施工成本低 在施工现场,缩短施工期,特别是中,小跨度建设,以及复合钢混凝土梁结构施工方法。 解决方案:在主梁10中,下凸缘11b被焊接并连接到钢腹板11a的下端,并且由钢筋混凝土制成的上凸缘12放置在上端。 主梁10被运送到施工现场并列; 横向预应力钢丝13(图中未示出)被夹持在垂直于桥轴线的方向上穿透的状态; 并且上凸缘12紧固在一起,从而可以形成楼板。 上凸缘12用作支撑凸缘22(图中未示出),使得主梁可以通过减小上凸缘22的宽度而容易地运送到施工现场。接收凸缘部分22a形成在 支撑凸缘22的下部,预制件PC板23和RC板坯24被支撑在彼此相邻的支撑凸缘22的接收凸缘部分22a之间的状态。 版权所有(C)2007,JPO&INPIT
    • 2. 发明专利
    • Composite girder of steel and concrete, and method of manufacturing the composite girder
    • 钢和混凝土的复合钢丝绳以及制造复合钢丝绳的方法
    • JP2007254975A
    • 2007-10-04
    • JP2006077780
    • 2006-03-20
    • Dps Bridge Works Co LtdMitsui Eng & Shipbuild Co Ltdドーピー建設工業株式会社三井造船株式会社
    • TATSUGAMI HISAOYASUMORI HIROSHIOKADA NORIKOKAIDA RYUICHINISHIYAMA KENICHIIDENO MAYUKO
    • E01D1/00E01D19/12E01D21/00
    • PROBLEM TO BE SOLVED: To provide a composite girder of steel and concrete, and a method of manufacturing the composite girder causing no deformation or the like by suppressing influence of a creep phenomenon even in a structure using a flat steel plate for a web in view of the problem of being greatly influenced by the occurrence of the creep phenomenon of concrete and additional stress due to contraction when using the flat steel plate for the web in the composite girder formed by connecting a steel member and concrete.
      SOLUTION: Perforated steel plate dowels 13 are welded to a lower flange 13 at suitable spaces, and precast concrete 14 is placed leaving the peripheries of the perforated steel plate dowels 13. After the precast concrete 14 is hardened, a post-cast material 17 is placed or filled in cavity parts 15 formed at the left parts to connect the post-cast material 17 and the steel member 10, and the precast concrete 14 and the steel member are composed through the post-cast material 17.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供钢和混凝土的复合梁以及通过抑制蠕变现象的影响而不产生变形等的复合梁的制造方法,即使在使用平板钢板的结构中 考虑到当通过连接钢构件和混凝土而形成的复合梁中使用用于腹板的扁平钢板时,由混凝土的蠕变现象的发生和由于收缩引起的附加应力的严重影响的问题。 解决方案:穿孔钢板榫13以适当的空间焊接到下凸缘13,并且放置预制混凝土14,留下穿孔钢板榫13的周边。在预制混凝土14硬化之后,后浇铸 将材料17放置或填充在形成在左侧部分的空腔部分15中,以连接后铸造材料17和钢构件10,并且预制混凝土14和钢构件通过后铸造材料17构成。

      版权所有(C)2008,JPO&INPIT

    • 7. 发明专利
    • Pc floor panel box girder bridge
    • 电脑面板盒子GIRDER BRIDGE
    • JP2008240429A
    • 2008-10-09
    • JP2007084606
    • 2007-03-28
    • Mitsui Eng & Shipbuild Co Ltd三井造船株式会社
    • NISHIYAMA KENICHISAKAI MASAKAZU
    • E01D2/04
    • PROBLEM TO BE SOLVED: To provide a box girder bridge with an open section which is constructed by connecting upper and lower PC floor panels with a web made of an FRP board and arranging reinforcements for the upper and lower PC floor panels without causing the reinforcements to penetrate the web.
      SOLUTION: The web made of the FRP board is placed between the upper and lower PC floor panels to connect them. Tabular anchor members are set projected on the upper end side and the lower end side of the web, respectively. The reinforcements are arranged without causing the reinforcements to penetrate the web, and are buried with the anchor members in concrete forming the floor panels.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有开口部分的箱梁,其通过将上下PC底板与由FRP板制成的腹板连接而构成,并且为上下PC底板设置增强件而不引起 加强物渗透网。

      解决方案:由FRP板制成的网布放置在上下PC地板之间,以连接它们。 片状锚定构件分别投影在幅材的上端侧和下端侧。 加强件被布置成不会使加强件穿透幅材,并且将锚固构件埋在形成地板的混凝土中。 版权所有(C)2009,JPO&INPIT

    • 9. 发明专利
    • Reinforced concrete slab bridge having small number of main girders
    • 加固的混凝土桥梁有小数量的主要女孩
    • JP2008184846A
    • 2008-08-14
    • JP2007020573
    • 2007-01-31
    • Mitsui Eng & Shipbuild Co Ltd三井造船株式会社
    • NISHIYAMA KENICHISAKAI MASAKAZU
    • E01D2/02E01D19/12
    • PROBLEM TO BE SOLVED: To provide a reinforced concrete slab bridge having a small number of main girders, which solves the problem of fatigue crack having occurred in an upper flange of a transverse girder.
      SOLUTION: The reinforced concrete slab bridge 10 having a small number of main girders is constructed by setting the plurality of transverse girders 12 between the plurality of main girders 11 at predetermined intervals in a bridge axial direction, and setting a reinforced concrete floor slab 13 on the transverse girders 12. Herein each transverse girder 12 is formed of a lower flange 21, a web 22 erected on the lower flange 21, a joint portion 23 extending upward of the web 22 and embedded in the reinforced concrete floor slab 13, and a number of holes 24 bored therein along an upper side of the joint portion 23.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有少量主梁的钢筋混凝土板桥,其解决了在横梁的上凸缘中发生的疲劳裂纹的问题。 解决方案:具有少量主梁的钢筋混凝土板桥梁10通过在多个主梁11之间以桥轴方向以预定间隔设置多个横梁12而构成,并且设置钢筋混凝土地板 横梁8上的板坯13.这里各横梁12由下凸缘21,竖立在下凸缘21上的腹板22,从腹板22向上延伸并嵌入钢筋混凝土楼板13中的接合部23形成 ,以及沿着接合部23的上侧钻孔的多个孔24.版权所有(C)2008,JPO&INPIT