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JAEA Reports

Results of single borehole hydraulic tests in the Mizunami Underground Research Laboratory Project (FY2016 - FY2019)

Onoe, Hironori; Takeuchi, Ryuji

JAEA-Data/Code 2020-011, 50 Pages, 2020/11

JAEA-Data-Code-2020-011.pdf:2.44MB

This report summarize the results of the single borehole hydraulic test carried out at the -300 m Stage and the -500 m Stage of the Mizunami Underground Research Laboratory from FY 2016 to FY 2019. The details of each test (test interval depth, geology, etc.) as well as the interpreted hydraulic parameters and analytical methods used are presented in this report. Furthermore, the previous results of the single borehole hydraulic tests carried out in the Regional Hydrogeological Study Project and the Mizunami Underground Research Laboratory Project before FY 2016 are also summarized in this report.

JAEA Reports

Results of single borehole hydraulic tests in the Mizunami Underground Research Laboratory Project (FY2012 - FY2015)

Onoe, Hironori; Takeuchi, Ryuji

JAEA-Data/Code 2016-012, 46 Pages, 2016/11

JAEA-Data-Code-2016-012.pdf:8.52MB

This report summarize the results of the single borehole hydraulic tests of 151 sections were carried out at the -300 m Stage and the -500 m Stage of the Mizunami Underground Research Laboratory from FY 2012 to FY 2015. The details of each test (test interval depth, geology, etc.) as well as the interpreted hydraulic parameters and analytical method used are presented in this report. And, the previous results of the single borehole hydraulic tests were carried out in Regional Hydrogeological Study Project and Mizunami Underground Research Laboratory Project before FY 2012 is summarized in this report.

JAEA Reports

Sampling of rock block for water flow calibration on LABROCK

Uchida, Masahiro;

JNC-TN8410 2001-016, 36 Pages, 2001/05

JNC-TN8410-2001-016.pdf:1.53MB

This technical report summarizes sampling of the natural rock including conductive fracture. Hydraulic test was conducted at the target fracture prior to excavation. Objective of the sample was to reproduce same transmissivity at LABROCK by adjusting normal stress. This report was originally compiled by PNC in october, 1993.

JAEA Reports

Excavation and preparation rock block sample for LABROCK

Uchida, Masahiro;

JNC-TN8410 2001-015, 35 Pages, 2001/05

JNC-TN8410-2001-015.pdf:1.73MB

This technical report summarizes excavation and preparation of the natural rock block sample used in LABROCK. This report was originally compiled by PNC in March, 1993.

JAEA Reports

None

*

JNC-TJ7400 2000-015, 203 Pages, 2000/08

JNC-TJ7400-2000-015.pdf:6.07MB

no abstracts in English

JAEA Reports

None

*; ;

JNC-TJ7440 2000-018, 55 Pages, 2000/03

JNC-TJ7440-2000-018.pdf:9.57MB

no abstracts in English

JAEA Reports

None

Horita, M.*; Hokari, T.*

JNC-TJ7440 99-022, 378 Pages, 1999/06

JNC-TJ7440-99-022.pdf:14.69MB

no abstracts in English

JAEA Reports

None

JNC-TJ7420 99-016, 878 Pages, 1999/06

JNC-TJ7420-99-016.pdf:40.87MB

no abstracts in English

JAEA Reports

None

*; *; *; *

JNC-TJ7440 99-016, 120 Pages, 1999/03

JNC-TJ7440-99-016.pdf:0.74MB

no abstracts in English

JAEA Reports

None

*; *; *; *

JNC-TJ7440 99-001, 151 Pages, 1999/01

JNC-TJ7440-99-001.pdf:10.35MB

no abstracts in English

JAEA Reports

None

*

PNC-TJ7308 98-004, 53 Pages, 1998/03

PNC-TJ7308-98-004.pdf:3.76MB

None

JAEA Reports

None

*

PNC-TJ1559 98-002, 260 Pages, 1998/03

PNC-TJ1559-98-002.pdf:6.08MB

no abstracts in English

JAEA Reports

Measurement of secondary stress around excavation by the stress release method

Itamoto, Masaharu*; Tanaka, Masahiro*; Tanno, Takeo*

JNC-TJ7592 98-001, 166 Pages, 1998/03

JNC-TJ7592-98-001.pdf:8.43MB

None

JAEA Reports

Hydraulic test for evaluation of hydrophone VSP

Koide, Kaoru; Yabuuchi, Satoshi*

PNC-TN7410 97-041, 86 Pages, 1997/12

PNC-TN7410-97-041.pdf:3.83MB

This hydlraulic test was carried out at the test site of Tono Geoscience Center, Mizunami-shi, Gifu Pref. in order to evaluate the reliability of the hydraulic conductivity estimated from hydrophone VSP experiment. From March to April 1997, we carried out measurements of pore-water pressure at five depths and permeability tests at seven depths down to G.L. -300m, within a borehole drilled in granitic rock. We compared the results of hydraulic test with hydrophone VSP experiment on condition that a single open fracture existed, and we obtained two notable results. First, for the granitic rock at which a single open fracture was found by BTV and also detected by hydrophone VSP experiment, the hydraulic conductivity was 1.54$$times$$10$$^{-7}$$ cm/sec, while for the same granitic rock at which another single open fracture was found by BTV but not detected by hydrophone VSP experiment, the hydraulic conductivity was less than 6$$times$$10$$^{-10}$$ cm/sec. Second, we converted the hydraulic conductivity of 1.54$$times$$10$$^{-7}$$ cm/sec which was obtained in a hydraulic test section of length 2.5m into an equivalent value for a single open fracture of width 1 mm. The converted value (3.8$$times$$10$$^{-4}$$ cm/sec) was similar to the hydraulic conductivity estimated from hydrophone VSP experiment. In conclusion, the hydraulic test results shows that hydrophone VSP is useful to estimate an approximate hydraulic conductivity of a single open fracture.

JAEA Reports

None

Jinno, Kenji*; *; *; *; Ijiri, Yuji*; Watari, Shingo; WEBB E*

PNC-TY1606 97-001, 44 Pages, 1997/03

PNC-TY1606-97-001.pdf:2.76MB

no abstracts in English

JAEA Reports

None

Hirata, Yoichi*

PNC-TJ7439 95-004, 46 Pages, 1995/03

PNC-TJ7439-95-004.pdf:5.19MB

no abstracts in English

JAEA Reports

None

Hirata, Yoichi*

PNC-TJ7439 95-003, 45 Pages, 1995/03

PNC-TJ7439-95-003.pdf:1.13MB

no abstracts in English

JAEA Reports

None

; Seo, Toshihiro; ; ; Ogata, Nobuhisa; ; Yanagizawa, Koichi

PNC-TN7510 92-007, 27 Pages, 1992/07

PNC-TN7510-92-007.pdf:1.81MB

None

JAEA Reports

None

PNC Can*

PNC-TN7410 89-010, 46 Pages, 1988/11

PNC-TN7410-89-010.pdf:0.86MB

None

19 (Records 1-19 displayed on this page)
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