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JAEA Reports

Study of groundwater sampling casing for monitoring device

Okihara, Mistunobu*; Yahagi, Ryoji*; Iwatsuki, Teruki; Takeuchi, Ryuji; Murakami, Hiroaki

JAEA-Technology 2019-021, 77 Pages, 2020/03

JAEA-Technology-2019-021.pdf:5.33MB

One of the major subjects of the ongoing geoscientific research program, the Mizunami Underground Research Laboratory (MIU) Project in the Tono area, central Japan, is accumulation of knowledge on monitoring techniques of the geological environment. In this report, the conceptual design of the monitoring system for groundwater pressure and water chemistry was carried out. The currently installed and used system in research galleries at various depths was re-designed to make it possible to collect groundwater and observe the water pressure on the ground.

JAEA Reports

Long-term pore-pressure-monitoring using deep boreholes in the Horonobe Underground Research Project

Yoshino, Hiromitsu; Kishi, Atsuyasu*; Yokota, Hideharu

JAEA-Data/Code 2015-014, 42 Pages, 2015/09

JAEA-Data-Code-2015-014.pdf:11.38MB
JAEA-Data-Code-2015-014-appendix(CD-ROM).zip:4.26MB

Long-term pore-pressure-monitoring has been performed using HDB-1$$sim$$11 and PB-V01 boreholes in the Horonobe Underground Research Laboratory Project. This report summarizes the results obtained from the starting of monitoring to March 2015.

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