公开(公告)号：US4052859A

公开(公告)日：1977-10-11

申请号：US732045

申请日：1976-10-13

申请人： Yasuyuki Iwamitsu ,  Shigeru Kobayashi

发明人： Yasuyuki Iwamitsu ,  Shigeru Kobayashi

IPC分类号： E21D9/06 ,  E21D9/00 ,  E21D9/04 ,  E21D9/08 ,  E21D11/38

CPC分类号： E21D11/38 ,  E21D9/005 ,  E21D9/04 ,  E21D9/08

摘要： A method of completing a tunnel excavation with a slurry shield type tunneling machine through a soft ground having a high water content or much gushing water, advancing the machine from the ground into a vertical shaft at, for example, a tunnel terminating point while preventing any ground collapse or gushing water at a vertical shaft wall finally excavated, and an apparatus for performing the method. A substantially ring-shaped liquid-tight packing means having an inner diameter large enough for passing therethrough the machine while maintaining a liquid-tight sealing around the outer periphery of the machine is provided at a position of a final tunnel port on a shaft wall at which the machine reaches the vertical shaft and along the inside surface of sheet piles struck in advance on the vertical shaft wall, a pressurized liquid chamber having substantially the same diameter as that of the packing means is formed in the vertical shaft so as to open on the packing means side, the liquid pressure in said chamber is kept at least as high as ground water pressure or ground pressure, the sheet pile is removed from the final port position, and the machine is then propelled to pass through the remaining ground layer and packing means and is receptacled in the pressure chamber. After back-filling around the final port is completed, the chamber and machine are removed.

摘要翻译： 通过具有高含水量或大量涌水的软土地利用泥浆屏蔽型隧道掘进机完成隧道掘进的方法，将机器从地面延伸到例如隧道终止点的垂直轴，同时防止任何 最终挖出的垂直轴壁上的地面塌陷或涌水，以及用于执行该方法的装置。 具有足够大直径的内径的基本上环形的液密密封装置设置在轴壁上的最终通道口的位置处，该内径足以穿过机器，同时保持围绕机器外周的液密密封 机器到达垂直轴并沿着垂直轴壁预先撞击的板桩的内表面，在垂直轴上形成具有与填料装置的直径基本相同的直径的加压液体室，以便打开 在包装装置侧，所述室中的液体压力保持至少与地下水压力或地面压力一样高，将纸堆从最终端口位置移除，然后将机器推进通过剩余的地层， 包装装置，并容纳在压力室中。 在最终端口周围填充完成后，拆除腔室和机器。

公开(公告)号：US4041713A

公开(公告)日：1977-08-16

申请号：US730866

申请日：1976-10-08

申请人： Yasuyuki Iwamitsu ,  Kataro Taira

发明人： Yasuyuki Iwamitsu ,  Kataro Taira

IPC分类号： E21D9/06 ,  E21D9/00 ,  E21D9/08 ,  E21D11/38 ,  E01G3/04

CPC分类号： E21D9/08 ,  E21D11/38 ,  E21D9/005

摘要： A method of and apparatus for starting a tunneling operation into a soft ground having a high water content or much gushing water while preventing any collapse of the ground or outflow of water. The tunneling machine is initially placed within a vertical shaft in the ground and a sheet pile is struck into the ground between a retaining wall of the shaft having a starting port through which the machine is to be ultimately advanced into the surrounding ground after the port is opened by raising the pile. A ring-shaped liquid-tight packing is applied to the retaining wall and surrounding the starting port engages the periphery of the head portion of the tunneling machine to form part of a liquid-pressurized chamber in front of the machine, the pressure in the chamber being at least as high as the surrounding underground water or ground pressure when the port is opened and the machine is then started through the port.

摘要翻译： 一种用于开始隧道操作到具有高含水量或大量涌水的软土中的方法和装置，同时防止水的地面或流出的任何塌陷。 隧道掘进机最初放置在地面中的垂直轴内，并且在具有起始端口的轴的挡土墙之间将板桩撞击到地面中，在该端口之后，机器最终将通过该起始端口进入周围地面 通过提高堆打开。 环形密封填料被施加到挡土墙上，围绕起始端口接合隧道机头部的周边，以形成机器前面的液体加压室的一部分，室内的压力 当端口打开并且机器然后通过端口启动时，至少与周围的地下水或地面压力一样高。