Chapter 1 General Introduction 1.1 Background and objectives 1.2 Outline of the book Chapter 2 Constitutive Model of Cyclic Mobility Model 2.1 Introduction 2.2 Modeling of cyclic mobility 2.3 Summary Chapter 3 Liquefaction Behavior of Soil Embankment SubJected to Earthquake Loading and Ground Improvement 3.1 Introduction 3.2 Problem description 3.3 Strengthening effect of grouting 3.4 Summary Chapter 4 Mechanical Behavior of Piled-Raft Foundation in Soft Ground Subjected to High-Speed Train Loading 4.1 Introduction 4.2 Problem description 4.3 Soil-water coupling dynamic analysis with FE-FD scheme 4.4 Results and discussion on settlement of piled-raft foundation and subgrade ground 4.5 Results and discussion on EPWP of subgrade 4.6 Results and discussion on sectional forces of piles 4.7 Summary Chapter 5 The Reinforcement of Piled-Raft Foundations by Grouting Technology 5.1 Introduction 5.2 Settlement countermeasures 5.3 Numerical prediction of long-term settlement 5.4 Summary Chapter 6 1g Model Tests of Piled-Raft Foundation Subjected to High-Frequency 6.1 Introduction 6.2 Model test setup 6.3 Experimental results and discussion 6.4 Summary Chapter 7 Numerical Investigation on the Seismic Behavior of Breakwater and Influence on Its Ability to Resist Tsunami 7.1 Introduction 7.2 Evidence for liquefaction damage to breakwater before tsunami 7.3 Soil-water coupled dynamic analysis 7.4 Results and discussion 7.5 Summary Chapter 8 Conclusions and Remarks 8.1 Conclusions 8.2 Remarks on future study Reference