JP2006016960A5 - - Google Patents

Claims (8)

It is a method of starting a shield machine of a tunnel construction method that constructs a tunnel by laying segments sequentially in the excavated part while excavating the ground using a shield machine,
The ground starting part provided with a reaction force means for taking the reaction force at the start of the shield machine is provided on the ground as the end of the approach to the tunnel, and the shield machine is started from the ground start part, A method for starting a shield machine for a tunnel construction method, characterized by assembling segments sequentially into the part to be approached to the tunnel and constructing the inner wall by the segments . The said reaction force means is the mount installed on the ground which is the said ground start part , The start method of the shield machine of the tunnel construction construction method of Claim 1 characterized by the above-mentioned.   The said gantry includes a reaction force receiving portion for taking a reaction force when the shield machine starts, and a start receiving portion that supports the weight of the shield machine when starting. Start method of shield machine of the tunnel construction method in Japan.   The tunnel construction according to claim 2 or 3, wherein a plurality of piles are placed on the ground of the ground starting part, and the reaction force at the start of the shield machine is taken by the plurality of piles. Start method of shield machine of construction method.   The method for starting a shield machine for a tunnel construction method according to claim 2 or 3, wherein a plurality of anchors are placed on the ground of the ground starting portion, and the reaction force of the mount is taken by the anchors.   4. The shield construction machine for a tunnel construction method according to claim 2, wherein a lower ground or a back side ground of the ground starting portion is improved, and the reaction force of the mount is taken by the improved ground. 5. How to start.   The method of starting a shield machine for a tunnel construction method according to claim 2 or 3, wherein a reaction force of the gantry is taken by pavement located on the back side of the ground starting part.   The tunnel construction method according to any one of claims 2 to 7, wherein a segment laid on the ground of the ground starting part is configured to be fixed to the gantry via a fixing means. How to start.