| 摘要 | 第3-4页 |
| ABSTRACT | 第4-5页 |
| CHAPTER 1 INTRODUCTION AND LITERATURE REVIEW | 第17-43页 |
| 1.1. INTRODUCTION | 第17-33页 |
| 1.1.1. Overview of the chapter | 第17页 |
| 1.1.2. Macro-element method | 第17-19页 |
| 1.1.3. Bucket foundation | 第19-33页 |
| 1.2. Literature review | 第33-43页 |
| 1.2.1. Introduction | 第33页 |
| 1.2.2.2D elasto-plastic analysis for the macro-element method | 第33-40页 |
| 1.2.3. Improvement of the macro-element method | 第40-43页 |
| CHAPTER 2 DIFFERENCE BETWEEN BUCKET FOUNDATION ANDSHALLOW FOOTING FOUNDATION | 第43-55页 |
| 2.1. Introduction | 第43页 |
| 2.2. Geometry and installation process | 第43-45页 |
| 2.2.1. Shallow footing foundation | 第43-44页 |
| 2.2.2. Bucket foundation | 第44-45页 |
| 2.3. General approach of bearing capacity | 第45-51页 |
| 2.3.1. Bearing capacity under vertical loading | 第46-49页 |
| 2.3.2. Bearing capacity under general loading | 第49-51页 |
| 2.4. Difference in the macro-element approach | 第51-53页 |
| 2.5. Advantages and disadvantages | 第53-55页 |
| 2.5.1. Advantages of a shallow footing | 第53页 |
| 2.5.2. Disadvantages of a shallow footing | 第53-54页 |
| 2.5.3. Advantages of a bucket foundation | 第54页 |
| 2.5.4. Disadvantages of a bucket foundation | 第54-55页 |
| CHAPTER 3 FUNDAMENTAL THEORIES OF THE MACRO-ELEMENTMETHOD | 第55-93页 |
| 3.1. Outline of the chapter | 第55页 |
| 3.2. Bearing capacity formulation for a bucket foundation | 第55-62页 |
| 3.2.1. Vertical bearing capacity for caisson in clay | 第56-57页 |
| 3.2.2. Vertical bearing capacity of a caisson partially installed in sandwithout suction | 第57-58页 |
| 3.2.3. Vertical bearing capacity parameters | 第58-62页 |
| 3.3. Macro-element formulation | 第62-93页 |
| 3.3.1. Introduction | 第62-63页 |
| 3.3.2. Evolution of the macro-element formulation | 第63-64页 |
| 3.3.3. Presentation of the macro-element model | 第64-65页 |
| 3.3.4. Conventional plasticity models for shallow foundation for offshorestructures | 第65-73页 |
| 3.3.5. Elasto-plastic macro-element response | 第73-83页 |
| 3.3.6. Uplift model for soil-structure interaction | 第83-93页 |
| CHAPTER 4 PARAMETRIC ANALYSIS. EXAMPLE AND VERIFICATION | 第93-119页 |
| 4.1. Introduction | 第93页 |
| 4.2. Constitutive parameters of the macro-element plasticity model | 第93-97页 |
| 4.2.1. Nova and Montrasio model (NMM) constitutive parameters | 第94-95页 |
| 4.2.2. Nguyen-Villalobos formulation parameters | 第95-97页 |
| 4.3. Calculation procedure for the tensile bearing capacity Vt | 第97-99页 |
| 4.3.1. Tensile bearing capacity for sand | 第98页 |
| 4.3.2. Tensile bearing capacity for clay | 第98-99页 |
| 4.4. Calculation of the tension parameter | 第99-104页 |
| 4.5. Calculation of the elasto-plastic response of a caisson under a monotonicloading system | 第104-114页 |
| 4.6. Determination of the point of rotation and approximate design of bucketfoundation | 第114-119页 |
| CHAPTER 5 CONCLUSION | 第119-123页 |
| REFERENCES | 第123-131页 |
| Appendix A MATLAB Script of the model caisson analysis in clay | 第131-141页 |
| Appendix B MATLAB Script of the model caisson analysis in sand | 第141-153页 |
| ACKNOWLEDGEMENTS | 第153-154页 |
