Introduction 1.1 Background 1.2 Objectives 1.3 Book Outline References Literature Review 2 1 Introduction 2.2 Ground Deformation Due to Excavation 2.3 Soil-Structure Interaction of Multi-Propped Excavation 2.4 Excavation Base Instability Due to Hydraulic Uplift 2.5 Techniques for Simulation of Multi-Propped Excavation in Centrifuge 2.6 Summary References Field Investigation of Multi-Propped Excavation in Soft Clay 3.1 Introduction 3.2 The Site 3.3 Instrumentation 3.4 Ground Deformation and Soil-Structure Interaction at Panel 4 3.5 Summary and Conclusions References 4 Numerical Analyses of Multi-Propped Excavation in Soft Clay 4.1 Introduction 4.2 Finite Element Analysis 4.3 Comparison of Measured and Computed Results 4.4 Summary and Conclusions References 5 Dimensional Analysis of Excavation in Clay Subjected to Hydraulic Uplift 5.1 Introduction 5.2 Variables Affecting Basal Resistance Against Hydraulic Uplift 5.3 Dimensional Analysis 5.4 Key Dimensionless Groups for This Study. References 6 Centrifuge Modelling of Multi-Propped Excavation in Clay Destabilised by Hydraulic Uplift 6.1 Introduction 6.2 Principles and Scaling Laws 6.3 Limitations of Centrifuge Modelling 6.4 Test Program and Objectives 6.5 Model Package 6.6 Model Preparation and Characterisation of Undrained Shear Strength of Clay 6.7 Instrumentation 6.8 Test Procedure References 7 Finite Element Analyses: For Back-Analysis and Parametric Study 7.1 Introduction 7.2 Back-Analyses of Centrifuge Tests 7.3 Numerical Parametric Study References 8 Interpretations of Measured and Back-Analysed Results of Centrifuge Tests 8.1 Introduction 8.2 Interpretation of Measured and Computed Results 8.3 Improved Understanding from Numerical Back-Analysis 8.4 Numerical Parametric Study on Embedment Depth of Piles 8.5 Summary and Conclusions References 9 Numerical Parametric Study 9.1 Introduction 9.2 Numerical Parametric Study 9.3 Results of Numerical Parametric Study 9.4 An Alternative Method for Base Stabilisation 9.5 Summary and Conclusions References 10 Conclusions and Future Work 10.1 Summary of This Research 10.2 Ground Deformation of Multi-Propped Excavation in Soft Clay 10.3 Soil-Structure Interaction of Multi-Propped Excavation in Soft Clay 10.4 Excavation Base Instability Associated with Hydraulic Uplift 10.5 Recommendations for Further Work References Index
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