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    • 5. 发明专利
    • Cast-in-place lining shield method and shield machine
    • CAST-IN-PLACE LINING SHIELD方法和屏蔽机
    • JP2009121099A
    • 2009-06-04
    • JP2007294615
    • 2007-11-13
    • Ohbayashi Corp株式会社大林組
    • TANAKA MASAKINIIMURA AKIRAMIKI KEIZO
    • E21D9/06E21D11/10
    • PROBLEM TO BE SOLVED: To provide a cast-in-place lining shield method which contributes to formation of a thin thickness of a lining concrete layer without causing degradation of a concrete force-feeding ability and without clogging a pipe line of a concrete placing pipe, and to provide a shield machine. SOLUTION: According to the cast-in-place lining shield method, an inner form 4 is set along a tunnel internal peripheral surface 10 by a rear end of a skin plate 2 of the shield machine, and an end portion of a concrete placement space 10 defined by the tunnel internal peripheral surface and the inner form is blocked with an end form 5 arranged between the skin plate and the inner form, and movable in forward and backward directions. The end form 5 has formed therein an elliptic concrete placing hole 9 that extends along a circumferential direction thereof, and the concrete placing pipe 11 having a pipe line cross sectional area almost equal to an opening cross sectional area of the placing hole, is connected to the placing hole, followed by force-feeding and placing the concrete from a concrete pump through the placing pipe. The concrete C filled in the concrete placement space is pressurized to a predetermined value by the end form. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种现浇衬里屏蔽方法,其有助于形成衬里混凝土层的薄的厚度,而不会导致混凝土加力能力的降低并且不会堵塞管道的管线 混凝土浇筑管,并提供盾构机。 解决方案:根据现浇衬里屏蔽法,内部形式4通过屏蔽机器的皮肤板2的后端沿隧道内周面10设置,并且端部 由隧道内周面和内部形状限定的混凝土放置空间10以布置在表皮板和内部形式之间的端部形式5阻挡,并且可沿前后方向移动。 端部5形成有沿圆周方向延伸的椭圆形混凝土放置孔9,具有几乎等于放置孔的开口横截面积的管道横截面积的混凝土浇筑管11连接到 放置孔,然后强制进给,并将混凝土从混凝土泵通过放置管。 填充在混凝土放置空间中的混凝土C通过端部形式被加压到预定值。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Water conducting structure and method for preventing flow inhibition of groundwater
    • 用于防止地下水流动阻碍的导水结构和方法
    • JP2011111874A
    • 2011-06-09
    • JP2009272291
    • 2009-11-30
    • Ohbayashi CorpTaiheiyo Soil Corp太平洋ソイル株式会社株式会社大林組
    • TANAKA YOSHIHIROYASHIRO TSUTOMUNIIMURA AKIRATAJIMA TAKATOSHIHIROWATARI TAKASHI
    • E21D11/00
    • PROBLEM TO BE SOLVED: To provide a water conducting structure and a method of forming a water conducting layer which can surely exhibit water permeability in a short time without taking labor and time after filling a back filling material. SOLUTION: In the water conducting structure 1, a bag body 4 in which only aggregates 3 are filled so as to contact with each other is installed in a tail void 6 so as to closely contact with the excavated surface of a tunnel 2 and the outer peripheral surface of a segment 5, which is a covering material. The water conducting structure 1 has a function for conducting upstream groundwater to the downstream side through spaces 4c of the bag body 4 and spaces 7 formed between the aggregates 3. The back filling material which is made into a flow state in a tank by mixing the aggregates 3 with a cellular material is filled into the bag body 4. The cellular material poured into the bag body 4 is discharged from the inside to the outside of the bag body 4 through the spaces 4c. As a result, the cellular material between the aggregates 3 can be discharged from the inside of the bag body 4 in a short time, whereby the inside of the bag body 4 becomes a state capable of conducting water immediately after completing the filling work. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种导水结构和形成导水层的方法,其可以在填充填充材料之后在短时间内确保地显示出透水性而不需要花费时间。 解决方案:在导水结构1中,仅将聚集体3填充以彼此接触的袋体4安装在尾部空隙6中,以与隧道2的挖掘表面紧密接触 以及作为覆盖材料的片段5的外周面。 导水结构1具有通过袋主体4的空间4c和形成在聚集体3之间的空间7向下游侧进行上游地下水的功能。通过混合在罐中形成流动状态的背部填充材料 将聚合体3与多孔材料填充到袋体4中。注入袋体4的多孔材料通过空间4c从袋体4的内部排出到外部。 结果,聚集体3之间的多孔材料可以在短时间内从袋体4的内部排出,从而袋体4的内部成为在完成填充工作之后立即进行水的状态。 版权所有(C)2011,JPO&INPIT