| 摘要 |
PROBLEM TO BE SOLVED: To provide a demolition method for a reactor capable of performing without filling the inside of a reactor containment with water.SOLUTION: A demolition method comprises: placing a pier 31, for lowering work apparatuses into a reactor, on a work floor 30 in the upper part of the reactor; fixing connection tubes 3 at the pier 31 with fixing mechanisms; lowering various work apparatuses through the connection tubes 3 and fixing the work apparatuses with work apparatus fixing mechanisms placed respectively at ends of the connection tubes 3; and performing demolition work with the work apparatuses in this state and continuing the demolition work by adding the connection tube 3 sequentially as the depth of work increases.SELECTED DRAWING: Figure 5 |
