Chapter 1: Overview of In-situ Stress Measurement Techniques
1.1 Flat jacking method
1.2 Hydraulic fracturing method
1.3 Borehole breakout method
1.4 Drilling induced tensile fracture method
1.5 Rigid cylinder stress gauge method
1.6 Acoustic emission method
1.7 Overcoring method
1.8 Borehole deformation method
1.9 Anelastic strain recovery method
1.10 Differential strain curve analysis method
1.11 Geophysical method
References
Chapter 2: Prediction and Inversion Methods for In-situ Stress
2.1 Predicting maximum horizontal stress using rock mass properties
2.1.1. Overcoring stress measurements
2.1.2. Relation between the stress and rock mass properties and depth
2.1.3. Linear relationship between rock mass properties and maximum horizontal stress
2.1.4. Fuzzy identification of the relationship between rock mass properties and maximum horizontal stress
2.2 Predicting in-situ stress using an embedded grey BP neural network model
2.2.1. Measured stress data
2.2.2. Grey model
2.2.3. Back propagation neural network
2.2.4. Embedded grey neural network combination model
2.2.5. Discussion
2.3. Inversion Approaches for In-situ Stress Field
2.3.1. Inverse algorithm for stress field
2.3.2. Optimization inversion method for stress field
2.3.3. Stress field inversion method considering geological characteristics
2.3.4. Stress field inversion method considering temperature and seepage effects
2.3.5. Stress field inversion method considering scale effect
References
Chapter 3: Comparison Approaches for Different Stress Indicators
3.1. In-situ stress measurements
3.1.1. Overcoring data
3.1.2. Hydraulic fracturing data
3.2. Comparison and evaluation of overcoring and hydraulic fracturing stress measurements
3.2.1. Stress magnitude
3.2.2. Stress orientation
3.3. Bayesian quantification of overcoring and hydraulic fracturing stress measurements
3.3.1. Improved Bayesian regression approach
3.3.2. Distribution model validation
References
Chapter 4: Distribution Characteristics of In-situ Stress Field in Local Areas in China
4.1 Stress state in a gold mine area in Ludong area
4.1.1. Geologic setting
4.1.2. Stress measurement results
4.1.3. Characteristics of stress field
4.1.4. Relation between the in-situ stress field and geological structure
4.1.5. Fault activity 844.2 Contemporary stress field in and around a gold mine area adjacent to the Bohai Sea
4.2.1. Geological setting
4.2.2. Stress data
4.2.3. Determined state of stress
4.2.4. Regional stress field assessment
4.2.5. Relation between the frictional strength and stress condition
4.3 Tectonic stress state in a coastal gold mine area near the Laizhou Gulf
4.3.1. Geological setting
4.3.2. Stress tensors
4.3.3. Present-day stress field
4.3.4. Relation between the stress field and tectonization
4.4 Current tectonic stress state in an iron mine district, North China
4.4.1. Geological setting and seismicity
4.4.2. Stress measurements
4.4.3. Determined state of the stress
4.4.4. Correlation between the stress field and geological tectonics
4.5 Current stress field in a coal mining district, central China
4.5.1. Tectonic setting, neotectonics, and seismicity
4.5.2. Stress measurements
4.5.3. Measured stress field
4.5.4. Correlation between the current stress field and tectonism
4.5.5. Estimation of the stress field
References
Chapter 5: Regional In-situ Stress State in China
5.1 Stress state in the Jiaodong Peninsula of China
5.1.1. Regional tectonic and geological setting
5.1.2. Seismic activity and its characteristics
5.1.3. Regional main fault structure analysis
5.1.4. Stress field
5.1.5. Regional stress field assessment
5.2 Stress state around the Yishu fault zone, eastern China
5.2.1. Geological background
5.2.2 Stress measurement data
5.2.3. Stress magnitudes
5.2.4. Stress orientations
5.2.5. Regional fault stability
5.3 Stress state in the capital area of China
5.3.1. Geological setting and fault structure analysis
5.3.2. Stress data
5.3.3. Stress directions
5.3.4. Stress magnitudes
5.3.5. Fault stability analysis
5.3.6. Discussion
References
Chapter 6: Engineering and Geological Applications of In-situ Stress State
6.1 Mining engineering
6.1.1. Mining design optimization
6.1.2. Rockburst mechanism and prediction
6.1.3. Stability control of surrounding rock 6.1.4. Fault stability assessment
6.1.5. Exploration and development of coalbed methane
6.1.6. Coal and gas outburst prediction
6.1.7. Evaluation of water inrush from coal floor
6.1.8. High-stress rock breaking
6.1.9. Discussion
6.2 Faulting
6.2.1. Stress state near faults
6.2.2. Influence of stress changes on faulting
6.2.3. Fault reactivation analysis
6.2.4. Correlation between stresses and fault properties
6.3 Seismicity
6.3.1. Interactions between the stress state and seismicity
6.3.2. Seismic risk assessment
6.3.3. Earthquake prediction
6.3.4. Challenges and future research trends
References
