(Downloads - 0)
For more info about our services contact : help@bestpfe.com
Table of contents
CHAPTER 1. INTRODUCTION
1.1. General
1.2. Determination of the stress field in rock masses
1.2.1. Methods for measuring in situ stresses
1.2.2. Integration of in situ tests results using numerical modelling
1.3. Objectives
1.4. Thesis outline
CHAPTER 2. IN SITU STRESS MEASUREMENTS
2.1. Introduction
2.2. In situ tests
2.2.1. Hydraulic tests
2.2.2. Overcoring tests
2.2.3. Small flat jack tests
2.3. Laboratory test results
2.4. Stress measurement results
2.4.1. Hydraulic test results
2.4.1.1. Calibrations
2.4.1.2. Description of the pressure and fracture orientations data37
2.4.1.3. Normal stress component determination
2.4.1.4. Fracture orientations determination
2.4.1.5. Summary of the pressure and fracture orientations data
2.4.1.6. Determination of the stress field
2.4.2. Overcoring test results
2.4.3. Small flat jack test results
2.5. Conclusion
CHAPTER 3. DETERMINATION OF THE REGIONAL STRESS FIELD
3.1. Introduction
3.2. Inverse model
3.3. The role of the topography on the in situ stresses distribution
3.3.1. Gravity loading
3.3.2. Tectonic loading
3.3.3. Gravity and tectonic loadings
3.4. Comparison between in situ tests and results from the FLAC3D model when considering gravity loading alone
3.5. Influence of faults and fractured zones
3.6. Testing the existence of tectonic stresses
3.7. Examining rheological effects
3.8. Design of the hydraulic pressure tunnel
3.9. Conclusion
CHAPTER 4. CONCLUSIONS
4.1. Summary and conclusions
4.2. New contributions
4.3. Recommendations
