[2D20-23] Waste Disposal

[2D21] Study on Design Options in the Context of Developments in Regulatory for Mid-depth underground disposal

- (1) Objective of Study and Outline -

*Taichi Esaki¹, Keiichiro Shibata¹, Yoshikazu Hironaka², Katsuhiko Ishibashi³ (1. KAJIMA, 2. RWMC, 3. TEPSCO)

Keywords:Mid-depth underground disposal, Conceptual design, Design options, ALARA, BAT, Engineered barrier

The status of technological development of engineered barrier and the filtering of design options in Japan and overseas were investigated to optimize the design options for a Mid-depth underground disposal facility. Based on the investigation, a filtering method was studied and attempted, and a consideration of the filtering result was presented.