Application of hemispherical-ended borehole technique to hot rock

Yuzo Obara; Katsuhiko Sugawara; Kiyotoshi Sakaguchi; Yoichi Mizuochi

Application of hemispherical-ended borehole technique to hot rock

Yuzo Obara, Katsuhiko Sugawara, Kiyotoshi Sakaguchi, Yoichi Mizuochi

Research output: Contribution to conference › Paper › peer-review

Abstract

The hemispherical-ended borehole technique is improved for the field stress measurement in a hot rock. It is shown how the original rock stress is determined independently of the thermal stress. A new spherical strain cell of 17 elements is developed for the in-situ measurements. From its successful application at Hishikari gold mine of rock temperature between 50°C and 80°C, it is clarified that the present method can be used effectively in a homogeneous rock mass.

Original language	English
Pages	587-590
Number of pages	4
Publication status	Published - 1991 Jan 1
Externally published	Yes
Event	7th International Society for Rock Mechanics and Rock Engineering Congress 1991 - Aachen, Germany Duration: 1991 Sep 16 → 1991 Sep 20

Other

Other	7th International Society for Rock Mechanics and Rock Engineering Congress 1991
Country	Germany
City	Aachen
Period	91/9/16 → 91/9/20

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Geology

Fingerprint Dive into the research topics of 'Application of hemispherical-ended borehole technique to hot rock'. Together they form a unique fingerprint.

Cite this

@conference{b5d995e2eb0745bab323001eb04608a1,

title = "Application of hemispherical-ended borehole technique to hot rock",

abstract = "The hemispherical-ended borehole technique is improved for the field stress measurement in a hot rock. It is shown how the original rock stress is determined independently of the thermal stress. A new spherical strain cell of 17 elements is developed for the in-situ measurements. From its successful application at Hishikari gold mine of rock temperature between 50°C and 80°C, it is clarified that the present method can be used effectively in a homogeneous rock mass.",

author = "Yuzo Obara and Katsuhiko Sugawara and Kiyotoshi Sakaguchi and Yoichi Mizuochi",

year = "1991",

month = jan,

day = "1",

language = "English",

pages = "587--590",

note = "7th International Society for Rock Mechanics and Rock Engineering Congress 1991 ; Conference date: 16-09-1991 Through 20-09-1991",

}

TY - CONF

T1 - Application of hemispherical-ended borehole technique to hot rock

AU - Obara, Yuzo

AU - Sugawara, Katsuhiko

AU - Sakaguchi, Kiyotoshi

AU - Mizuochi, Yoichi

PY - 1991/1/1

Y1 - 1991/1/1

N2 - The hemispherical-ended borehole technique is improved for the field stress measurement in a hot rock. It is shown how the original rock stress is determined independently of the thermal stress. A new spherical strain cell of 17 elements is developed for the in-situ measurements. From its successful application at Hishikari gold mine of rock temperature between 50°C and 80°C, it is clarified that the present method can be used effectively in a homogeneous rock mass.

AB - The hemispherical-ended borehole technique is improved for the field stress measurement in a hot rock. It is shown how the original rock stress is determined independently of the thermal stress. A new spherical strain cell of 17 elements is developed for the in-situ measurements. From its successful application at Hishikari gold mine of rock temperature between 50°C and 80°C, it is clarified that the present method can be used effectively in a homogeneous rock mass.

UR - http://www.scopus.com/inward/record.url?scp=11544292257&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=11544292257&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:11544292257

SP - 587

EP - 590

T2 - 7th International Society for Rock Mechanics and Rock Engineering Congress 1991

Y2 - 16 September 1991 through 20 September 1991

ER -