Revised Standard from Last Update.

1. SCOPE

The standard (Part 12) covers the method of quantitative description of discontinuities from drill core study.

2. REFERENCES

The standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. Any 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 these standards:

IS 1269 Legal metrology - Material measures of length:

(Part 1) : 1997 Woven metallic and glass fiber tape measures (second revision)

(Part 2) : 1997 Steel tape measures

IS 5529 Code of practice for in-situ permeability test:

(Part 1) : 2013 Test in overburden (second revision)

(Part 2) : 2006 Test in bedrock (second revision)

IS 11315 Method for the quantitative description of discontinuities in rock mass:

(Part 4) : 2023 Roughness

(Part 5) : 2023 Wall strength

(Part 10) : 2023 Block size

(Part 11) : 2023 Core recovery and rock quality designation

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