Ph.D. Thesis on RMi

Published on March 12 2011

RMi  - A  Rock  Mass  Characterization  System For  Rock  Engineering  Purposes

Ph.D. thesis by Arild Palmström

 

Table  of  Contents

Opening pages

Summary

1    Introduction

2    Rock masses as construction materials

3    Collection of geo-data - limitations and uncertainties

4    The combination of geo-data into a rock mass index

5    Rock masses characterized by the RMi

6    The use of RMi in design of rock support for underground openings

7    RMi parameters applied in prediction of tunnel boring penetration

8    Possible other applications of the RMi in rock mechanics and rock engineering

9    Discussion and conclusions

10  References

 

APPENDICES

Appendix 1:     On joints and jointing

Appendix 2:     On faults and weakness zones 

Appendix 3:     Methods to quantify the parameters applied in the RMi

Appendix 4:     An investigation of the quality of various jointing measurements 

Appendix 5:     Using refraction seismic velocities to characterize jointing 

Appendix 6:     Description of the tests and data used in the calibration of the RMi 

Appendix 7:     Collected data on ground conditions and rock support in underground openings 

Appendix 8:     Collected data on ground condition and TBM boring performance

Appendix 9:     A method to estimate the tangential stresses around underground openings

Appendix 10:    Symbols used

 

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Important quotations are presented below from time to time:

"If the art of soil classification is far from satisfactory, the confusion is often made worse in that users are unaware of its limitations and apply it for purposes other than that originally intended".

Arthur M. Casagrande (1948)