Revised Standard from Last Update.

1. SCOPE

This standard (Part 1) covers the method of determination of the state of in-situ stress underground through a drill hole using hydraulic fracturing technique and hydraulic tests on pre-existing fractures. The test provides, in general, the magnitudes and direction of the maximum and minimum stresses in the plane perpendicular to the drill hole axis.

2. REFERENCES

The standards listed below contain provisions, which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards:

11315 Method for the quantitative description of discontinuities in rock masses:

(Part 1) : 1987 Orientation

(Part 6) : 1987 Aperture

11358 : 1987 Glossary of terms and symbols relating to rock mechanics