Movement stage for tunnel reconstruction and the tunnel reconstruction manner null which uses

摘要

PROBLEM TO BE SOLVED: To secure smooth passage of trains while using the entire railways during suspension time except during execution time of the repair work althrough use of the railways in an existing tunne 1 is regulated during the repair work. ;SOLUTION: This transfer stage for repairing a tunnel is a stage which is transferable along the longitudinal direction of the tunneland is constituted of a working floor 30 and studs 31A, 31B provided at both lower face sides of the working floor 30. All the studs 31A, 31B disposed at both sides are made freely transferable in the width direction of the tunnel respectively, and a part 40A of the working floor is made so as to rise and fall for bring in and out execution machines.;COPYRIGHT: (C)2000,JPO