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    • 4. 发明专利
    • Construction of branch tunnel
    • 分支隧道施工
    • JP2003336480A
    • 2003-11-28
    • JP2002144793
    • 2002-05-20
    • Nishimatsu Constr Co Ltd西松建設株式会社
    • YAMANE ATSUSHITAKASUKA YOICHIWATANABE TORUISO HARUOKOBAYASHI MASANORIARAI NORIYUKIHOSOKAWA KATSUMINOMOTO MASAAKIMITO KENJISOGA SEIIYAMAUCHI SATORUOE IKUO
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a construction method for a branch tunnel easily dividing and cutting a concrete part by a shield machine and suppressing the generation of vibration and sound. SOLUTION: A plurality of sheath tubes 9a, etc., and 9b, etc., are provided along the circumferential and axial directions of a main tunnel 1 in its inside, and a branch segment part 2 provided with a plain concrete part 7 with prestressed steel products 10, etc., inserted in the circumferential sheath tubes 9a, etc., respectively is assembled as a part of the main tunnel 1. Then, the steel products 10, etc., are pulled out from the circumferential sheath tubes 9a, etc., static crush agent is filled with the circumferential and the axial sheath tubes 9a, etc., and 9b, etc., and crack is introduced in the plain concrete part 7 by the swelling pressure of the static crush agent. Then, the branch tunnel is constructed by cutting it by the shield machine 3 using the plain concrete part 7 as a starting shaft. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种分支隧道的施工方法,其通过屏蔽机械容易地分割和切割混凝土部件,并抑制振动和声音的产生。 解决方案:沿着主通道1的内部的周向和轴向设置有多个护套管9a等和9b等,以及分支段部分2,其设置有普通混凝土部件 如图7所示,分别插入在周向鞘管9a等中的预应力钢制品10等作为主通道1的一部分组装。然后,将钢制品10等从周向护套 管9a等,静电粉碎剂填充有圆周和轴向鞘管9a等和9b等,并且裂纹通过静电粉碎剂的溶胀压力引入普通混凝土部分7中。 然后,通过使用平面混凝土部件7作为起动轴的屏蔽机3切割分支通道。 版权所有(C)2004,JPO
    • 5. 发明专利
    • Pipe jacking method
    • 管道封堵方法
    • JP2003064997A
    • 2003-03-05
    • JP2001253075
    • 2001-08-23
    • Nishimatsu Constr Co Ltd西松建設株式会社
    • WATANABE TORUISO HARUOKOBAYASHI MASANORIARAI NORIYUKIHOSOKAWA KATSUMINOMOTO MASAAKI
    • E21D9/06E21D11/38
    • PROBLEM TO BE SOLVED: To economically reduce burden on working without need of connection of a membrane material storing pipe by supplying a membrane through the inside of the pipe and facilitating connection working of the membrane in a pipe jacking method.
      SOLUTION: A shield machine 1 excavating a hole in ground 13 is provided with an annular membrane material storing part 6 on a rear end, and a membrane roll 10A winding a sheet-like membrane 10 in the form of a roll is stored in the membrane material storing part along a peripheral direction. The membrane 10 has a width of the substantially same length as the outside diameter of a buried pipe 20, and a fastener is formed on both sides along the longitudinal direction. One end of the membrane 10 is fixed on an excavation start end 16 of the ground 13. The membrane 10 is put along the circumference of the pipe 20 while it is pulled from the membrane storing part 6 by advance of the shield machine 1 by pushing of the pipe 20 to the hole, and at the same time, a chuck 11b is drawn with a string 12 by the shield machine 1 to close the fastener so as to close both side parts of the membrane 10.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了经济地减轻工作负担,而不需要通过从管道内部供应膜并且便于以顶管方式连接膜的方式连接膜材料储存管。 解决方案:在地面13上挖孔的屏蔽机1在后端设置有环状膜材料收纳部6,将卷绕有薄片状薄膜10卷绕成卷状的膜卷10A储存在膜 材料存储部分沿着周向方向。 膜10具有与埋管20的外径大致相同长度的宽度,并且紧固件沿纵向方向形成在两侧。 膜10的一端固定在地面13的挖掘开始端16上。膜10沿着管20的周边放置,同时通过推动屏蔽机1的前进从膜存储部6拉出 并且同时用屏蔽机1用串12拉出卡盘11b,以闭合紧固件,从而封闭隔膜10的两侧部分。