MARGINAL DEPTH DISPOSAL INTRA-PIT FILLER INSTALLATION SYSTEM AND INSTALLATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a marginal depth disposal intra-pit filler installation system and installation method in which a structure is simplified, fillers can be installed under short-distance transfer and the fresh nature of the fillers are prevented from being changed.SOLUTION: A marginal depth disposal intra-pit filler installation system for installing filling mortar 8 in a gap around radioactive waste containers 7 arranged in parallel inside a disposal pit 6 of a marginal depth disposal facility provided within a tunnel 1 and further for installing shield concrete 9 over upper portions of the containers 7 comprises a traveling wagon 20 which is capable of traveling on the disposal pit 6 in a tunnel axial direction, an installation hopper 21 which is disposed on the traveling wagon 20 and in which an opening/closing valve 30 is provided in the lower end portion thereof, and a control device 60 which remotely controls operations of respective sections. The control device 60 includes a travel instruction unit which travels the traveling wagon 20 to a desired tunnel axial direction position and an opening/closing instruction unit which opens/closes the opening/closing valve 30 in accordance with the quantity of filling mortar or shield concrete to be installed.