IS 13365 : Part 2 : 2019 Quantitative Classification Systems of Rock Mass - Guidelines Part 2 Rock Mass Quality for Prediction of Support Pressure, Support System and Engineering Properties in Underground Openings
Revised Standard from Last Update.
1. SCOPE
This standard (Part 2) covers the procedures for obtaining the value of rock mass quality (Q), support pressures, support system and engineering properties for both small and large underground openings.
2. REFERENCES
The standards given below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:
11315 (Part 11) : 1985 Method of quantitative description of discontinuities in rock mass: Part 11 Core recovery and rock quality
15026 : 2002 Tunneling methods in rock masses — Guidelines