1. ASTM D2166–16, 2016. Standard Test Method for Unconfined Compressive Strength of Cohesive Soil. American Society for Testing and Materials, West Conshohocken, PA.
2. ASTM D2487-17, 2017. Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System. American Society for Testing and Materials, West Conshohocken, PA.
3. ASTM D2850-15, 2015. Standard Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils. American Society for Testing and Materials, West Conshohocken, PA.
4. ASTM D4318-17, 2017. Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils. American Society for Testing and Materials, West Conshohocken, PA.
5. ASTM D4648–16, 2016. Standard Test Methods for Laboratory Miniature Vane Shear Test for Saturated Fine-Grained Clayey Soil. American Society for Testing and Materials, West Conshohocken, PA.