1. Standard Test Method for Particle-size Analysis of Soils;American Society for Testing and Materials (ASTM),2007
2. Standard test methods for liquid limit, plastic limit, and plasticity index of soils;American Society for Testing and Materials (ASTM),2010
3. Standard Test Methods for one-Dimensional Consolidation Properties of Soils using Incremental Loading;American Society for Testing and Materials (ASTM),2011
4. Standard Test Method for Electronic Friction Cone and Piezocone Penetration Testing of Soils;American Society for Testing and Materials (ASTM),2012
5. Standard test methods for specific gravity of soil solids by water pycnometer;American Society for Testing and Materials (ASTM),2014