Engineering Disturbed Rock Mass Structural Mechanics: Stress Disturbance and Freeze-Thaw on Rock Structure Deterioration
Yu Wang
(2021)
Engineering Disturbed Rock Mass Structural Mechanics: Stress Disturbance and Freeze-Thaw on Rock Structure Deterioration: pp.
45-116.
Chapter 2 Rock Failure under Fatigue Loading and Confining Pressure
Unloading Conditions
The following sections are included:
-
1. Mechanical Behavior of Rock under Cyclic Loads
-
1.1. Introduction
-
1.2. Experimental Methodology
-
1.3. Cyclic Dynamic Compression Tests
-
1.4. Fatigue Deformation Characteristics
-
1.5. Cyclic Deformation Limit of Marble
-
1.6. CT Scanning of Cracked Samples
-
1.7. Conclusions
-
2. Effect of Fatigue Damage on Marble Failure under Triaxial Confining Pressure Unloading Conditions
-
2.1. Introduction
-
2.2. Test Material and Methods
-
2.3. Continuous Triaxial CPU Characteristics
-
2.4. Triaxial FC-CPU Stress Strain Characteristics
-
2.5. Axial, Lateral and Volumetric Deformation during FC-CPU Tests
-
2.6. Marble Deformation at the Fatigue Cyclic Stage
-
2.7. Marble Deformation at the CPU Stages
-
2.8. Failure Morphology Visualized by CT Scanning
-
2.9. Energy Dissipation and Release during Whole Deformation
-
2.10. Conclusions
-
3. Effect of Fatigue Loading-Confining Stress Unloading Rate on Marble Mechanical Behaviors
-
3.1. Introduction
-
3.2. Materials and Methods
-
3.3. Conventional Triaxial Stress Strain Responses
-
3.4. Triaxial FL-CSU Stress Strain Responses.
-
3.5. Deformation in the FL-CSU Tests
-
3.6. Energy Evolution during the Test
-
3.7. Post-Test CT Imaging Analysis
-
3.8. Discussions
-
3.9. Conclusions