[1H08-13] Performance Assessment and Scenario

[1H11] Evaluation for Influence of Human Intrusion on Geological Disposal System

Groundwater Flow Simulation for Borehole Excavation

*Shizuka Takai¹, Yuki Nishimura¹, Taro Shimada¹, Hideo Kimura¹, Seiji Takeda¹ (1. Japana Atomic Energy Agency)

Keywords:Human intrusion, Borehole excavation, Geological disposal, Safety assessment, Groundwater flow simulation

In inadvertent human intrusion after disposal facility closure, deep borehole excavation which can change the groundwater flow around the repository is need to be assessed. By 3-dimensional groundwater flow simulation for the water pumping scenario from highly-permeable strata next to the stratum of disposal facility, we analyzed important hydrogeological conditions for the assessment.