IS 11315 : Part 11 : 2023 Methods for Quantitative Description of Discontinuities in Rock Masses Part 11 Core Recovery and Rock Quality Designation
Revised Standard from Last Update.
1. SCOPE
This standard (Part 11) covers the method for the determination of core recovery, and Rock Quality Designation (RQD).
2. REFERENCES
The standard given below contains provisions, which through reference in this text, constitutes provisions of this standard. At the time of publication, the edition indicated was 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 edition of this standard:
IS 11358 : 1987 Glossary of terms and symbols relating to rock mechanics