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JAEA Reports

Laboratory Validation Test of Dry-Fracture Method of Stress Measurement

Shingu, Kazuki*; Nakajima, Toshihide*; Yamashita, Mitsugu*

JNC TJ7420 2005-066, 99 Pages, 2000/03

JNC-TJ7420-2005-066.PDF:2.47MB

The active fault survey tunnel across the Mozumi-Sukenobu Fault is located at the Kamioka Mine, northern Gifu prefecture, Central Japan. At present, the comprehensive studies of the active fault are being carried out in this tunnel. In this report, the results of the laboratory test using steel pipes and numerical simulation for the new ground stress measuring instrument were presented in order to inspect the stress state around the active fault.

JAEA Reports

Laboratory Validation Test of Dry-Fracture Method of Stress Measurement

Shingu, Kazuki*; Nakajima, Toshihide*; Yamashita, Mitsugu*

JNC TJ7420 2005-063, 242 Pages, 1999/03

JNC-TJ7420-2005-063.PDF:19.78MB

The active fault survey tunnel across the Mozumi-Sukenobu Fault is located at the Kamioka Mine, northern Gifu prefecture, Central Japan. At present, The comprehensive studies of the active fault are being carried out in this tunnel. The results of the laboratory test and numerical simulation for the new ground stress measuring instrument were presented in order to inspect the stress state around the active fault.

JAEA Reports

Data on the Deep Paleogene Sedimentary Rock in the Outer Belt of Southwest and Central Japan (Ground Water)

Shingu, Kazuki*

JNC TJ7440 2005-040, 82 Pages, 1998/03

JNC-TJ7440-2005-040.pdf:5.39MB

This report describes the deep underground environment as a part of a series of research with the object obtaining a complete set of data on the geological environment.

JAEA Reports

Investigation of Ground Water around the Fault in the Active Fault Study Drift

Shingu, Kazuki*; Nakajima, Toshihide*; Yamashita, Mitsugu*

JNC TJ7420 2005-038, 39 Pages, 1998/03

JNC-TJ7420-2005-038.pdf:3.05MB

The active fault study drift that crossed the Mozumi-Sukenobu fault (a member of the Atotsugawa fault system) is located at the Kamioka mine, northern Gifu prefecture, Central Japan. The comprehensive study of the active fault is done in this drift. The purpose of this investigation is to obtain the data of the basis to clear the hydro-geological structure around the active fault. From December 1, 1997 to March 13, 1998, the pore pressure was measured using the hole.

JAEA Reports

Geological survey and initial stress measurement test consernig of "The crustal deformation study in the active fault zone"

Takemura, Tomoyuki*; Shingu, Kazuki*; Sakogaichi, Kaoru*; Nishikawa, Yuji*; Okada, Yoichi*; Nakajima, Toshihide*; Yamashita, Mitsugu*

JNC TJ7420 2005-035, 152 Pages, 1998/03

JNC-TJ7420-2005-035.pdf:27.16MB

The active fault survey tunnel that crossed the Mozumi-Sukenobu fault (MSF) is located at the Kamioka mine, northern Gifu prefecture, Central Japan. The comprehensive study of the active fault, such as the study of the earthquake mechanism and the development of the new initial stress measurement method is done by using this tunnel. One of the purposes of this investigation is to define the three-dimensional distribution of the MSF by geological survey, on the basis of the seismic and geophysical studies on this fault. The other purpose is to develop the new initial stress measurement method.

JAEA Reports

Investigation of the Hydraulic Properties around the Active Fault in the Crustal Deformation Zone

Takemura, Tomoyuki*; Shingu, Kazuki*; Takahashi, Eiichiro*; Okada, Yoichi*; Takebe, Akimitsu*; Nakajima, Toshihide*; Inoue, Toshio*

JNC TJ7420 2005-033, 128 Pages, 1998/03

JNC-TJ7420-2005-033.pdf:51.98MB

The active fault survey tunnel that crossed the Mozumi-Sukenobu fault (a member of the Atotsugawa fault system) is located at the Kamioka mine, northern Gifu prefecture, Central Japan. The comprehensive study of the active fault is done by using this tunnel. The purpose of this investigation is to define the hydrological characteristics of the Mozumi-Sukenobu fault crush zones. The permeability of the crush zones is measured by the Lugeon test and the simple injection test.

JAEA Reports

None

*; Shingu, Kazuki*; Takahashi, Eiichiro*; Nakajima, Toshihide*; Yamashita, Mitsugu*; *; *

PNC TJ7187 97-002, 586 Pages, 1997/11

PNC-TJ7187-97-002.pdf:47.21MB

None

JAEA Reports

None

Shingu, Kazuki*; Horinokuchi, Kenji*; Nakajima, Toshihide*

PNC TJ7187 97-001, 170 Pages, 1997/03

PNC-TJ7187-97-001.pdf:7.45MB

no abstracts in English

JAEA Reports

Data on the Deep Paleogene Sedimentary Rock in the Outer Belt of Southwest and Central Japan

Shingu, Kazuki*

JNC TJ7440 2005-006, 302 Pages, 1996/06

JNC-TJ7440-2005-006.pdf:17.56MB

This report describes the deep underground environment as a part of a series of research with the object of obtaining a complete set of data on the geological environment. The report presents the data of the Paleogene sedimentary rock in the outer belt of southwest and central Japan.

JAEA Reports

Study on the Geological Environment Influenced by Fault Movement(III)

Shingu, Kazuki*; Sato, Eitaro*; Adachi, Kazuhiro*; Kudo, Masakatsu*; Ishizuka, Yoshiaki*; Horinokuchi, Kenji*; Nakajima, Toshihide*

JNC TJ7400 2005-007, 214 Pages, 1995/03

JNC-TJ7400-2005-007.pdf:16.96MB

The objective of this study is to prove the long-term geoscientific stability of the geological environment. The survey will clarify the extent and degree of mechanical change influenced by fault movement deep underground as well as the surface. The study was conducted in Mozumi of the Kamioka mining district, located in the Atotsu active fault system zone. This year, a study was carried out by measuring stress state and rock properties around the active fault. At first, stress measurement by double fracturing was conducted at Nagato No.1 borehole in order to compare a newly measured stress state with the one done last year. The difference between them was very little. Secondly, the first stress measurement was carried out on the Nagato No.3 borehole.

JAEA Reports

A Study of a Geological Environment Influenced by Fault Movement(II)

Shingu, Kazuki*; Horinokuchi, Kenji*; Nakajima, Toshihide*; Furumori, Hisayoshi*

JNC TJ7400 2005-005, 250 Pages, 1994/03

JNC-TJ7400-2005-005.pdf:23.33MB

The objective of this study is to prove the long-term geoscientific stability of a geological environment. This was accomplished by measurement of stress and study of rock properties around an active fault in the Atotsu fault system near Mozumi in the Kamioka mining district. A future goal of the project is to clarify the areal extent and degree to which fault movement at the surface and at depth affects mechanical changes.

JAEA Reports

Study on Geological Environment Influenced by Fault Movement

Shingu, Kazuki*; Adachi, Kazuhiro*; Horinokuchi, Kenji*; Tomita, Teruo*

JNC TJ7400 2005-006, 358 Pages, 1993/03

JNC-TJ7400-2005-006.pdf:20.98MB

The objective of this study is to prove a long-term geoscientific stability of geological environment by means of measuring stress state and rock property around the active fault in order to investigate geological environment influenced by fault movement in underground as well as surface. The study was conducted in Mozumi mine of the Kamioka mining district, located in the Atotsu active faults system zone.

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