METHOD FOR PLACING SHOTCRETE OF TUNNEL

摘要

PURPOSE: A placing method of a shotcrete is provided to stabilize a tunnel, to reduce recessed portions and to easily process post-processes by pouring the shotcrete corresponding to a designed final finishing face. CONSTITUTION: Plural pipes are installed in an outer wall of a tunnel(403). A designed final finishing line of a shotcrete is marked on each pipe by using a surveying instrument(405). The final finishing line of each pipe is cut(407). The shotcrete is poured based on the cut pipes finally(409). Thereby, the base for the pouring operation of the shotcrete is offered. Therefore, the shotcrete is poured corresponding to the final finishing line.