1. Characteristics of Dynamic Problems -- 2. Characteristic Changes in Cyclic Stress in Typical Dynamic Loading Environments -- 3. The Representation of Stress-Strain Relations in Cyclic Loading -- 4. Apparatus and Procedures for Laboratory Tests -- 5. In Situ Survey by Wave Propagation -- 6. Low-Amplitude Shear Moduli -- 7. Strain Dependency of Modulus and Damping -- 8. Effect of Loading Speed and Stiffness Degradation of Cohesive Soils -- 9. Strengths of Cohesive Soils Under Transient and Cyclic Loading Conditions -- 10. Resistance of Sand to Cyclic Loading -- 11. Sand Behaviour Under Monotonic Loading -- 12. Evaluation of Liquefaction Resistance by In Situ Soundings -- 13. Analysis of Liquefaction -- 14. Settlement in Sand Deposits Following Liquefaction -- 15. Flow and Non-Flow Conditions and Residual Strength -- 16. Onset Condition for Liquefaction and Consequent Flow -- Appendix: Methods of Sample Preparation