Rock stress measurements by the conical-ended borehole technique using the compact overcoring

Y. Obara, K. Sugawara, K. Sakaguchi

Research output: Contribution to conferencePaperpeer-review

7 Citations (Scopus)

Abstract

The conical-ended borehole technique, which is one of stress relief method, is presented as well as the continuous strain monitoring system with the compact overcoring operation. Demonstrating case example of the multiple times stress measurement in a single borehole, it is discussed that the conical-ended borehole technique is effective for in-situ rock stress measurement.

Original languageEnglish
Pages145-148
Number of pages4
Publication statusPublished - 1995 Jan 1
Event8th International Society for Rock Mechanics Congress, ISRM 1995 - Tokyo, Japan
Duration: 1995 Sep 251995 Sep 29

Other

Other8th International Society for Rock Mechanics Congress, ISRM 1995
Country/TerritoryJapan
CityTokyo
Period95/9/2595/9/29

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

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