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    • 1. 发明专利
    • Pontoon construction method
    • PONTOON构造方法
    • JP2008018933A
    • 2008-01-31
    • JP2007157361
    • 2007-06-14
    • Dps Bridge Works Co Ltdドーピー建設工業株式会社
    • ANDO MAMORUHAMADA YUZURUTAMURA SEI
    • B63B35/38
    • PROBLEM TO BE SOLVED: To provide a pontoon construction method for constructing a pontoon by joining concrete blocks with each other, in which conventional launching facilities are not necessary, construction cost and transport cost are reduced, construction efficiency is improved due to simple joining structure, introduction of prestress for integrating the blocks is facilitated, and work efficiency, water stopping performance, etc., are improved. SOLUTION: Precast blocks 1 of an angular cylinder form in the joining direction are produced in a factory or a nearby factory to a pontoon installation place. Lower parts of end openings of the blocks 1 are closed by stopping plates 2 to generate buoyancy, and they are put to float on the surface. The blocks floating on the surface are pulled by a puller device 3 to be joined with each other, and an external cable type tension member 7 is disposed to be continuous in the joining direction in the blocks joined with each other. The tension member 7 is tensed to integrate the block 1 with each other. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种用于通过连接混凝土块来建造浮筒的浮筒施工方法,其中不需要常规的发射设施,降低了施工成本和运输成本,因为简单的施工效率得到改善 接合结构,引入用于集成块的预应力,提高了工作效率,止水性能等。

      解决方案:在工厂或附近的工厂中,在连接方向上的角圆筒形式的预制块1在浮筒安装位置生产。 块体1的端部开口的下部通过停止板2而闭合而产生浮力,并且将其浮在表面上。 浮动在表面上的块被牵引装置3牵引以彼此接合,并且外部电缆型张紧构件7被布置成在彼此接合的块中沿连接方向连续。 张紧构件7被拉紧以使块1彼此一体化。 版权所有(C)2008,JPO&INPIT

    • 2. 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
    • 4. 发明专利
    • Sensor fitting structure to concrete structure
    • 传感器接头结构混凝土结构
    • JP2003315214A
    • 2003-11-06
    • JP2002116219
    • 2002-04-18
    • Dps Bridge Works Co LtdTaiheiyo Cement Corpドーピー建設工業株式会社太平洋セメント株式会社
    • UCHIDA MASAKATSUHAMADA YUZURU
    • G01M99/00G01N17/00G01M19/00
    • PROBLEM TO BE SOLVED: To provide structure for fitting a sensor which detects breakage of a tension material used for a prestressed concrete structure, so as to perform high-precision detection and to be exchangeable easily.
      SOLUTION: The sensor fitting structure to the concrete structure is composed of a drilled hole 5 formed in the prestressed concrete structure 1 from its surface up to the periphery of the buried position of the tension material 2 towards the position, a cylindrical holder 8 stuck to the internal surface of the drilled hole 5 and made of a material whose elastic coefficient is smaller than that of concrete, a jig 11 to which the sensor 10 fitted in the cylindrical holder 8 in such a way as to be detachable or attachable freely is fitted toward the tension material 2 side at the tip of the jig, and a filler 16 which fills up the cylindrical holder 8.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种用于安装用于检测用于预应力混凝土结构的张力材料断裂的传感器的结构,以便执行高精度检测并且易于更换。 解决方案:混凝土结构的传感器装配结构由在预应力混凝土结构1中形成的钻孔5从其表面到拉伸材料2的埋藏位置的周边朝向该位置,圆柱形夹持器 8粘附到钻孔5的内表面,并且由弹性系数小于混凝土的材料制成的夹具11,传感器10以可拆卸的方式装配到圆柱形保持器8中的夹具11 自由地安装在夹具末端处的张力材料2侧,以及填充圆柱形支架8的填料16.版权所有(C)2004,JPO
    • 7. 发明专利
    • Grout material having thixotropic property
    • 具有三面体性质的GROUT材料
    • JP2009298695A
    • 2009-12-24
    • JP2009185439
    • 2009-08-10
    • Dps Bridge Works Co Ltdドーピー建設工業株式会社
    • MARUOKA MASATOMOFUJIWARA HIROMIEBINA TAKAYUKIHAMADA YUZURU
    • C04B28/02C04B18/14C04B22/06C04B111/70E01D1/00E04G21/12
    • Y02W30/94
    • PROBLEM TO BE SOLVED: To provide a grout material having a performance enabling to be filled over the whole length of a sheath without causing a void when after giving tension to a PC (prestressed concrete) steel material used for introducing prestress, the sheath which is to be filled with the grout material for protecting the PC steel material, is arranged in a wave shape within the same vertical plane in the prestressed concrete-made structure.
      SOLUTION: A thixotropic property, such that the viscosity is high to such an extent that filling failures such as a flow leaving an unfilled part do not occur under atmospheric pressure, and the viscosity under pressure becomes lower than that under atmospheric pressure to such an extent that the pouring is possible when the pressure is raised from the atmospheric pressure, is given to the grout material by adding 10-15% silica fume to the total weight of powder into the grout material containing water and cement as main ingredient. The viscosity of the grout material is controlled concretely so that the flow value is 100-200 mm and the time of flow of the grout material when pressurized to 0.1 MPa from the atmospheric pressure is 0.5-3.0 sec.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种具有能够在护套的整个长度上填充而不会在对用于引入预应力的PC(预应力混凝土)钢材施加张力之后不产生空隙的性能的灌浆材料, 要填充用于保护PC钢材料的灌浆材料的护套在预应力混凝土制造的结构中在相同的垂直平面内以波浪形状布置。 解决方案:触变性,使得粘度高到在大气压下不会发生填充故障(例如离开未填充部分的流动)的程度,并且在压力下的粘度变得低于在大气压下 通过将10-15%的硅粉以粉末的总重量加入到含有水和水泥作为主要成分的灌浆材料中,从而将压力从大气压力升高到倾倒的程度。 具体地控制灌浆材料的粘度,使得流动值为100-200mm,当从大气压力加压至0.1MPa时,灌浆材料的流动时间为0.5-3.0秒。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Lateral wall members for pre-cast pc tank and joint structure between lateral wall members and bottom plate
    • 预制墙壁会议员PC坦克和侧壁会员与底板之间的联合结构
    • JP2005306445A
    • 2005-11-04
    • JP2004127530
    • 2004-04-23
    • Dps Bridge Works Co Ltdドーピー建設工業株式会社
    • KITAJIMA KANJIOOKA AKIOKIMURA NORISHIGEMIYAKE YASUHIRO
    • E02D29/045B65D88/06B65D90/08E04H7/20E21D13/00
    • PROBLEM TO BE SOLVED: To reduce the construction period for completing lateral walls by connecting a pre-cast PC tank lateral wall member with adjacent lateral wall members while joining with a bottom plate in such a way that the lateral wall members can be rotationally displaced relative to the bottom plate.
      SOLUTION: In the pre-cast concrete lateral wall members 1 that are installed circumferentially continuously on the reinforced concrete bottom plate 3, and constituting the pre-cast PC tank lateral walls 2 by the introduction of prestress circumferentially, a foot portion 1B having an insert hole 1a through which a fixing member 4 fixed in the bottom plate 3 and projecting from the top end of the bottom plate 3 can be inserted is integrally formed at either the inner circumferential side or outer circumferential side of the lateral walls 2 at the lower end of a body portion 1A having through holes 1b for inserting tension members 12 for introducing prestress circumferentially to the lateral walls 2.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过在与底板接合的同时将预制PC罐侧壁构件与相邻的侧壁构件连接,以便侧壁构件可以是这样的方式来减小完成侧壁的施工周期 相对于底板旋转移位。 解决方案:在钢筋混凝土底板3周向连续安装并通过周向引入预应力构成预制PC罐侧壁2的预浇注混凝土侧壁构件1中,将脚部1B 具有插入孔1a,固定在底板3上并从底板3的顶端突出的固定构件4可以穿过该插入孔1a一体地形成在侧壁2的内圆周侧或外周侧上 主体部分1A的下端具有用于插入用于将预应力周向引入侧壁2的张紧构件12的通孔1b。版权所有(C)2006,JPO&NCIPI