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    • 1. 发明专利
    • Shield tunnel construction method
    • 盾构隧道施工方法
    • JP2008081990A
    • 2008-04-10
    • JP2006261852
    • 2006-09-27
    • Dc Co LtdKajima Corp株式会社デイ・シイ鹿島建設株式会社
    • YANAI SHUJIARAI TAKAHIROSUDA NOBUHIROMATSUBARA KOMEITAKIMOTO KUNIHIKOYOSHIDA EISHINHIROSHIMA AKIOFUTADO NOBUKAZUTAKAHASHI SHOICHI
    • E21D11/04B28B23/08
    • PROBLEM TO BE SOLVED: To provide a technology for pouring a grout material applicable to a construction method for a shield tunnel of a middle bore class or a large bore class with bore exceeding, for example, 3 meters and capable of preventing the occurrence of a flow ahead phenomenon.
      SOLUTION: In this shield tunnel construction method for introducing prestress in the circumferential direction of the tunnel by inserting a PC steel material into a sheath after assembling concrete segments by one ring and fixing it tensely, a hydraulic grout having a flow of 60 mm or larger and smaller than 100 mm at a non-vibration time in a JASS flow test (ϕ50×h50 mm), having a property for making the measurement of a flow-down time impossible in a JP funnel test (being blocked), and having a compressive strength of 30 N/mm
      2 or larger as a material having an age of 7 days is used as the grout material when filling a cavity at the sheath with the grout material.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于浇注适用于具有超过例如3米的孔的中孔或大孔等级的盾构通道的施工方法的灌浆材料的技术,并且能够防止 发生流向现象。

      解决方案:在这种用于在隧道圆周方向上引入预应力的盾构隧道施工方法中,通过一个环组装混凝土段并将其紧固固定后,将PC钢材料插入护套中,将流量为60 在JASS流量试验(φ50×h50mm)中的非振动时间为10mm以上且小于100mm,具有在JP漏斗试验(阻止)中不能进行流通时间的测定的性质, 并且当使用灌浆材料在护套上填充空腔时,将具有年龄为7天的材料的抗压强度为30N / mm 2 / SP以上的材料用作灌浆材料。 版权所有(C)2008,JPO&INPIT

    • 3. 发明专利
    • Junction structure of vertical shaft mouth part
    • 垂直轴部分的结构结构
    • JP2011241639A
    • 2011-12-01
    • JP2010116131
    • 2010-05-20
    • Kajima Corp鹿島建設株式会社
    • SAITO YUSUKETADA YUKIOTAKIMOTO KUNIHIKOARAI TAKAHIROUSHIGAKI MASARU
    • E21D11/00E21D9/06
    • PROBLEM TO BE SOLVED: To provide a flexible, simple and economical junction structure of a vertical shaft mouth part, capable of securing the safety of a structure when external force acts and surely preventing the decline of a water cutoff performance.SOLUTION: Planer cutoff rubber 21 is provided along the end face 6 of a tunnel 5. Along the surface 12 on the inner side of a vertical shaft 3 of the cutoff rubber 21, a cutoff steel plate 17 which comprises an outer side ring 17b and an inner side ring 17a and has a cutoff weld part 19 to function as a deformation induction part at a boundary is provided. The cutoff steel plate 17 and the cutoff rubber 21 are fixed to the mouth part of the vertical shaft 3 using a headed bolt 29 and are fixed to the end face 6 of the tunnel 5 using a headed bolt 23. Between the head part 30 of the headed bolt 23 and the cutoff steel plate 17, an elastic washer 27 is provided. A rib plate 33 is provided on the surface 14 on the inner side of the vertical shaft 3 of the cutoff steel plate 17. The contact part of the rib plate 33 with the outer side ring 17b is fixed over the entire length, and the contact part with the inner side ring 17a is fixed only at a predetermined part.
    • 要解决的问题:提供一种垂直轴口部分的柔性,简单且经济的接合结构,其能够在外力作用时确保结构的安全性,并且可靠地防止断水性能的下降。 解决方案:沿着隧道5的端面6设置平板切割橡胶21.沿着切断橡胶21的垂直轴3的内侧的表面12,切断钢板17包括外侧 环17b和内侧环17a,并且具有用作边界处的变形感应部分的截止焊接部19。 截止钢板17和切断橡胶21使用头螺栓29固定在垂直轴3的口部,并使用头螺栓23固定在隧道5的端面6上。在头部螺栓23的头部30之间 头螺栓23和切断钢板17,设置有弹性垫圈27。 肋板33设置在切断钢板17的垂直轴3的内侧的表面14上。肋板33与外侧环17b的接触部分在整个长度上固定,并且接触 内侧环17a的一部分仅在预定部分固定。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Construction method, supporting structure, and segment for sidewall
    • 施工方法,支撑结构和分段
    • JP2008202217A
    • 2008-09-04
    • JP2007035903
    • 2007-02-16
    • Geostr CorpKajima Corpジオスター株式会社鹿島建設株式会社
    • TAMADA KOICHIINOUE TADASHIARAI TAKAHIROSAKUMA YASUSHIYOKOI NOBUAKI
    • E21D11/08E21D11/10
    • PROBLEM TO BE SOLVED: To provide a construction method for a sidewall and a connection structure of the sidewall and a segment for facilitating its construction work, preventing corrosion of a connection means, and providing excellent durability.
      SOLUTION: First of all, the ground is excavated to form a tunnel 1, and the segment 3b is provided on an internal wall of the tunnel 1. The segment 3b has recessed and projecting parts 13 on its inner face. Next, a pedestal 17 is installed in the tunnel 1, and a member 15a for forming the sidewall by units is provided on the segment 3b by using a crane 25 on the pedestal 17. Then, a form 35a is provided around the member 15a for forming the sidewall by units, and concrete is placed to construct the sidewall 5a. At this time, the pedestal 17 is used as an arch center. Since the sidewall 5a and the segment 3b resist fulcrum reaction force of a floor slab by shear capacity of the recessed and projecting parts 13 and bearing of the concrete of the sidewall, a process for mounting a dowel separately becomes unnecessary and the construction work is facilitated.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于侧壁的侧壁和连接结构的构造方法,其用于便于其构造工作,防止连接装置的腐蚀,并且提供优异的耐久性。

      解决方案:首先,挖掘地面以形成隧道1,并且将段3b设置在隧道1的内壁上。段3b在其内表面上具有凹入和突出部分13。 接下来,在通道1中安装基座17,并且通过在基座17上使用起重机25,在段3b上设置用于通过单元形成侧壁的构件15a。然后,在构件15a周围设置形状35a 通过单元形成侧壁,并且设置混凝土以构造侧壁5a。 此时,基座17用作拱形中心。 由于侧壁5a和段3b通过凹入突出部分13和侧壁混凝土的轴承的剪切能力抵抗楼板的支撑反作用力,因此分开安装销钉的过程是不必要的,并且促进了施工工作 。 版权所有(C)2008,JPO&INPIT

    • 6. 发明专利
    • Composite segment
    • 复合材料
    • JP2007270485A
    • 2007-10-18
    • JP2006096587
    • 2006-03-31
    • Ishikawajima Constr Materials Co LtdKajima Corp石川島建材工業株式会社鹿島建設株式会社
    • OZEKI MUNETAKAHASHIMOTO HIROHIDEHOSHI HIDENORIMINEZAKI AKIHIRONAKAGAWA MASAYOSHISUZUKI YOSHINOBUTAMADA KOICHIKUWABARA YASUYUKIARAI TAKAHIROHONDA TOMOAKIFURUICHI KOSUKE
    • E21D11/04E21D11/08
    • PROBLEM TO BE SOLVED: To provide a composite segment which is small in steel usage, low in cost, thin in thickness, high in strength, and can have a wider width. SOLUTION: The synthetic segment 1 is formed like an arcuate slab by filling concrete 3 into a gap between a pair of steel skin plates 2a, 2b arranged on two surfaces on a natural ground side and the inner space side of a tunnel. The skin plates 2a, 2b are provided with arcuate joint plates (inter-ring joint plates) 4a, 4b, linear joint plates, and a plurality of dowels 6. The arcuate joint plates 4a or 4b have their base ends fixed along tunnel axial edges of the skin plate 2a or 2b and their tips extended toward the skin plate 2b or 2a opposed to the same. The linear joint plates have their base ends fixed along tunnel circumferential edges of the skin plate 2a or 2b and their tips extended toward the skin plate 2b or 2a opposed to the same. The dowels 6 are fixed to the skin plates 2a or 2b and protruded to the skin plates 2b or 2a opposed to the same. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种钢的使用量小,成本低,厚度薄,强度高,并且可以具有更宽的宽度的复合段。 解决方案:通过将混凝土3填充在布置在自然地面的两个表面上的一对钢皮板2a,2b和隧道的内部空间侧之间的间隙中,合成段1形成为弧形板。 皮板2a,2b设置有弓形接头板(环形接合板)4a,4b,直线接头板和多个榫钉6.弓形接头板4a或4b的基端部沿隧道轴向边缘固定 的皮肤板2a或2b,并且它们的尖端延伸到与其相对的皮肤板2b或2a。 直线接头板的基端部沿着皮肤板2a或2b的隧道周缘固定,并且其端部朝向与其相对的皮肤板2b或2a延伸。 定位销6固定在皮肤板2a或2b上并突出到与其相对的皮肤板2b或2a上。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Rc underground construction and structure of rc pillar
    • RC RC支柱的地下结构和结构
    • JP2007031956A
    • 2007-02-08
    • JP2005212731
    • 2005-07-22
    • Kajima Corp鹿島建設株式会社
    • SOGABE NAOKIYAMANOBE SHINICHIKONO TETSUYAARAI TAKAHIROHONDA TOMOAKI
    • E21D11/04E02D31/08E21D11/28
    • PROBLEM TO BE SOLVED: To provide an RC underground construction which prevents shear fracture and bending failure of a center pillar at the time of an earthquake, and ensures a function of bearing earth pressure applied thereto at the time of huge deformation thereof, to thereby improve the earthquake resisting performance of the entire body of the RC underground construction, and to provide a structure of an RC pillar.
      SOLUTION: According to the RC underground construction, a pillar head A and a pillar pedestal B of the center pillar 1 are connected to a ceiling slab 3 and a foundation slab 2, respectively, by means of a plurality of unbonded cores 4. The center pillar 1 is formed of precast concrete, while the pillar head A and the pillar pedestal B are formed of high-performance concrete that is a material withstanding high bearing stress. Further an abutting portion of the pillar head A of the center pillar 1 on the ceiling slab 3, and an abutting portion of the pillar pedestal B of the same on the foundation slab 2, each have a shape that facilitates rotation thereof.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:为了提供一种在地震时防止中心柱的剪切断裂和弯曲破坏的RC地下结构,并且确保在其大变形时承受施加到其上的土压力的功能, 从而提高RC地下施工整体的抗震性能,并提供RC支柱结构。

      解决方案:根据RC地下施工,中柱1的柱头A和柱座B分别通过多个未粘合芯4连接到天花板3和基础板2上 中柱1由预制混凝土构成,而柱头A和柱座B由耐高承载应力的高性能混凝土构成。 此外,中心支柱1的支柱头A在天花板3上的抵接部分和基座板2上的支柱基座B的抵接部分都具有便于旋转的形状。 版权所有(C)2007,JPO&INPIT

    • 9. 发明专利
    • Segment for tunnel
    • 隧道分段
    • JP2010242307A
    • 2010-10-28
    • JP2009088968
    • 2009-04-01
    • Kajima Corp鹿島建設株式会社
    • FURUICHI KOSUKEARAI TAKAHIROTAKIMOTO KUNIHIKOSUZUKI YOSHINOBU
    • E21D11/08E21D11/04E21D11/38
    • PROBLEM TO BE SOLVED: To provide a segment for a tunnel, which can prevent an increase in a repairing portion of a segment body by preventing a temperature rise to the great depth of the segment body, when the temperature of the inside of the tunnel becomes high due to fire etc.
      SOLUTION: The segment for the tunnel is provided with a holding member 11 in which an inside space serving as a hole is formed. A ceramic lid member 20 is attached to the holding member 11. A space filler 23 is provided in the inside space of the holding member 11. The transfer of heat, which is associated with the convection of air in the inside space of the holding member 11, is suppressed with the space filler 23.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种用于隧道的段,其可以通过防止温度升高到节段主体的大深度来防止段体的修复部分的增加,当内部的温度 隧道由于火等而变高。解决方案:隧道段设有保持构件11,其中形成有用作孔的内部空间。 陶瓷盖构件20附接到保持构件11.在保持构件11的内部空间中设置有空隙填充物23.与保持构件的内部空间中的空气对流相关联的热传递 11,被空间填充物23抑制。版权所有(C)2011,JPO&INPIT