Applicability assessment of external monitoring information for direct disposal system

Shiba, Tomooki  ; Tomikawa, Hirofumi; Yamaguchi, Tomoki 

Nuclear security and safeguards of the direct disposal facility need to be considered at the early stage in the design. In this paper, the applicability of seismic wave monitoring information to nuclear security and safeguards is examined in order to detect secretly excavating tunnels and access to disposed fuel.