声明
摘要
Abstract
TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
Chapter 1 Introduction
1.1 Research Significance
1.2 Literature Review
1.3 Objectives of thesis
1.4 Structure of the Thesis
Chapter 2 Field Data and Laboratory Experiments
2.1 Rock samples collection and preparation
2.2 Laboratory Experiments
2.2.1 Mechanical and dynamical tests
2.2.2 Microscopic study and X-ray diffraction(XRD)
Chapter 3 Quantitative Microfabrics Analysis
3.1 An overview of rock fabric
3.2 Petrographic Image Analysis(PIA)
3.3 Semi-automatic petrographic image analysis
3.3.1 Image acquisition
3.3.2 Image pre-processing
3.3.3 Image digitizing
3.3.4 Image measurement and the data analysis
3.4 Basic geometrical parameters measured by image processing
3.4.1 Grain Size(GS)
3.4.2 Aspect Ratio(AR)
3.4.3 Shape Factor(SF)
3.4.4 Shape preferred orientation
3.5 Petrographic description of rock samples
3.6 Importance and applicability of rock microfabrics analysis for the geomechanical behavior of rocks
Chapter 4 Assessment of UCS by quantitative rock microfabrics parameters using regression technique
4.1 Introduction
4.2 An overview to regression analysis
4.3 Statistical analysis
4.3.1 Descriptive statistics for all variables
4.3.2 Bivariate statistics (correlation analysis)
4.3.3 Development of predicting models using simple regression analysis
4.3.3 Multiple regression analysis
Chapter 5 Computational Intelligence Techniques(CIT) for the prediction of UCS from petrographic characteristics of rock
5.1 Introduction
5.2 Artificial Neural Networks(ANNs)
5.2.1 Overview of ANNs
5.2.2 Architecture and performance of ANNs model
5.2.3 Optimal ANNs model selection
5.2.4 Conventional statistical analysis Versus ANNs
5.2.5 Application of ANNs in current study
5.3 Fuzzy model
5.3.1 Overview of Fuzzy Logic(FL)
5.3.2 Structure of Fuzzy System
5.3.3 Mamadani fuzzy inference model
5.4 Results and performance assessment of varied models used in the study
Chapter 6 Assessments of strength and modulus anisotropy of banded amphibolite rocks
6.1 Introduction
6.2 Velocity anisotropy
6.3 Strength anisotropy
6.4 Modulus anisotropy
4.5 Assessment of modulus anisotropy from wave velocity measurements
Conclusion and recommendations
1.Conclusion
2.Recommendations
Acknowledgment
Appendixes
List of Publications