| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-9页 |
| NOMENCLATURE | 第9-15页 |
| 1. INTRODUCTION | 第15-19页 |
| 1.1. Background | 第15-17页 |
| 1.2. Objective and Scope of The Study | 第17-19页 |
| 2. ANALYSIS OF TUNNEL EXCAVATION EFFECTS ON PILE END-BEARING CAPACITY USING CAVITY EXPANSION/CONTRACTION THEORIES | 第19-42页 |
| 2.1. Pile End-Bearing Capacity | 第21-33页 |
| 2.1.1. Soil strength dependence on deformation history | 第23-27页 |
| 2.1.2. Cavity expansion limit pressure | 第27-31页 |
| 2.1.3. Effects of pile on soil confining pressure | 第31-33页 |
| 2.2. Effect of Tunnel Volume Loss on Ground Pressure and Pile Bearing Capacity | 第33-42页 |
| 2.2.1. Effect of pile installation on soil stiffness | 第35-37页 |
| 2.2.2. Effect of tunnel volume loss on ground stress | 第37-38页 |
| 2.2.3. Effect of tunnel volume loss on pile load-carrying capacity | 第38-42页 |
| 3. TUNNEL-PILE INTERACTION USING FINITE ELEMENT METHOD AND COMPARISONS WITH THE THEORETICAL METHOD | 第42-56页 |
| 3.1. Finite Element Model | 第43-51页 |
| 3.1.1. Constitutive models, boundary conditions and model parameters | 第46-48页 |
| 3.1.2. Modeling of volume loss by considering tunnel excavation and support phases 34 | 第48-51页 |
| 3.2. Finite Element Method Analysis Results and Comparison | 第51-56页 |
| 4. CONCLUSION | 第56-59页 |
| REFERENCES | 第59-64页 |
| THESIS DATA FORM | 第64页 |
