Laboratory Tests for Unsaturated Soils

Eng-Choon Leong is an associate professor at Nanyang Technological University, Singapore. He has more than 350 publications in international journals and conferences. He is a recipient of the 2004 ASTM Best Practical Paper for Geotechnical Practice Award, and a recipient of the Koh Boon Hwee mentor award. He is lead author of Engineering Students’ Guide for Research Projects and co-editor (with Geoffrey Blight) of the second edition of Mechanics of Residual Soils, both published by CRC Press. Martin Wijaya is a lecturer at Parahyangan Catholic University. He completed a PhD at Nanyang Technological University, Singapore, and has worked for a soil investigation company as a geotechnical engineer, having gained considerable experience in site investigation testing and analyses.

1. Introduction. 2. Basic Definitions, Test Environment and General Apparatuses. 3. Chapter 3 Sampling, Storage and Sample Preparation. 4. Grain Size Distribution, and Specific Gravity. 5. Atterberg Limits and Shrinkage Test. 6. Compaction. 7. Suction Measurement. 8. Matric Suction Measurement – Direct Methods. 9. Indirect Suction Measurement Methods. 10. Soil-Water Characteristic Curve. 11. Permeability: Steady-State Methods. 12. Permeability: Transient- State Methods. 13. Oedometer test. 14. Constant rate of strain test. 15. Triaxial Test (Volume Change). 16. Direct Shear Test. 17. Triaxial Test (Shear Strength). 18. Ring Shear Test. 19. Tension Test. 20. Wave Velocities. 21. Thermal Conductivity. Appendix A. Gossary of Terms. Appendix B. Formulas and Conversion Factors.