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JAEA Reports

Data collection by literature survey on rock physical properties in Japan (II)

Sato, Toshinori; Taniguchi, Wataru; Fujita, Tomoo; Hasegawa, Hiroshi

JNC TN7400 99-011, 36 Pages, 1999/12

JNC-TN7400-99-011.pdf:1.55MB

In order to understand the general thermal and mechanical properties of rock masses and initial stress of rock at depth, data were compiled from the published literature in Japan and collected from investigations carried out at Kamaishi mine and Tono mine. Statistical examinations derived the ranges, means and medians of the mechanical properties for the different rock types. It was confirmed that the correlations between the mechanical properties were in agreement with correlations determined previously in other similar surveys. The unconfined compressive strength of Neogene sedimentary rocks showed a tendency to increase with increasing depth ($$geq$$ 500 m). An examination of the measured initial stress data collected through literature surveys showed that the vertical stress can be approximated by the extent of gravitational loading at a particular point. There is an approximately linear relationship between the average stress in a horizontal plane and the depth. The lateral pressure coefficient tends to have a high value and large range at shallow depths, but tends towards $$<$$ 1 with increasing depth.

JAEA Reports

None

JNC TJ1400 99-038, 83 Pages, 1999/02

JNC-TJ1400-99-038.pdf:4.96MB

no abstracts in English

JAEA Reports

None

Hirata, Yoichi*

PNC TJ7439 95-005, 12 Pages, 1995/03

PNC-TJ7439-95-005.pdf:0.33MB

no abstracts in English

JAEA Reports

None

PNC TJ1360 93-001, 128 Pages, 1993/03

PNC-TJ1360-93-001.pdf:17.87MB

no abstracts in English

JAEA Reports

None

Hirata, Yoichi*

PNC TJ1439 92-001, 67 Pages, 1992/02

PNC-TJ1439-92-001.pdf:1.49MB

None

Journal Articles

8.5, The Future problems; Safety assessment and methodology for geologic disposal

Matsuzuru, Hideo

Nyu Furonthia Chika Kukan, p.165 - 170, 1991/00

no abstracts in English

JAEA Reports

None

PNC Can*

PNC TN7410 89-010, 46 Pages, 1988/11

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

None

7 (Records 1-7 displayed on this page)
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