Tunnel waterproofing method, tunnel waterproofing system, and waterproofing material

摘要

A tunnel water stopping method for easily and reliably shutting off groundwater from the surrounding ground for a shield machine is provided. A tunnel water stopping method for blocking groundwater from the surrounding ground for a shield machine 1A that excavates a ground and constructs a tunnel, wherein the shield machine is stopped while the shield machine 1A stops excavating. A tunnel water stopping construction method including a water stopping material filling step of filling a water stopping material 15 that can be re-excavated by a shield machine 1A even when hardened, in a gap between a body 2 of the machine 1A and a surrounding ground. [Selection diagram] Fig. 1