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


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



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


Click to see the complete table of contents of the Ph.D. thesis


Important quotations are presented below from time to time:

"…..there is still no acceptable substitute for the field mapping and core logging carried out by an experienced engineering geologist."
Evert Hoek, 1986.