International society for rock mechanics commission on testing methods

Int. J Rock Mech. 3,tin. S c i & Geornech..4h~zr Printed in Great Brita:n

Vol. 24. No. I, pp. 53 73. 1987

INTERNATIONAL

SOCIETY

COMMISSION

(!14'~-'~()e~2 ~;~ 33 ! ) Q - 0 0 0 Pergamon Journals Lid

FOR

ROCK

ON TESTING

MECHANICS

METHODS

SUGGESTED METHODS FOR ROCK STRESS DETERMINATION

CONTENTS Technical Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Method 1: Method 2: Method 3: Method 4:

55

Suggested Method for Rock Stress Determination Using a Flatjack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

55

Suggested Method for Rock Stress Determination Using the Hydraulic Fracturing Technique . . . . . . . . . . . . . . . . . . . . . .

59

Suggested Method for Rock Stress Determination Using a USBM-Type Drillhole Deformation Gauge . . . . . . . . . . . . .

63

Suggested Method for Rock Stress Determination Using a CSIR- or CSIRO-Type Cell with 9 or 12 Strain Gauges

68

Joint Co-ordinators K. Kim

(U.S.A.) and J. A. Franklin (Canada)

The following persons contributed to the preparation and reviewed the drafts of these Suggested Methods: A. J. Bowling (Australia); P. LeComte and J. H. L, Palmer (Canada); F. Cornet (France); R. Ribacchi (Italy); K. Suzuki (Japan); J. Charrua Graca (Portugal); W. L. van Heerden (South Africa); B. Bjarnason, B. Leijon and D. Stephansson (Sweden); P. Egger, H. Grob and K. Kovari (Switzerland); B. Wareham (U.K.) and J. A. Aggson, D. C. Banks, M. L. Cramer, T. W. Doe. E. C. Gregory, B. C. Haimson, W. Miller and G. Nicholson (U.S.A.). 25 individuals, 11 countries.