1. ASTM, D.4643-17 (2017) Standard Test Methods for Determination of water content of Soil and Rock by Microwave Oven Heating. ASTM International, West Conshohocken, PA, USA.
2. ASTM, D.2216-10. (2010) Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. ASTM International, West Conshohocken, PA, USA.
3. ASTM, D.4404-18 (2018) Standard Test Method for Determination of Pore-volume and Pore-volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry ASTM International, West Conshohocken, PA, USA.
4. ASTM, D.2216/2166M-16 (2016) Standard Test Method for Unconfined Compressive Strength of Cohesive Soil, ASTM International, West Conshohocken, PA, USA.
5. Arinze EE, Okafor CC (2015) A Matlab Program for Soil Classification Using Aashto Classification. IOSR Journal of Mechanical and Civil Engineering 12(2):58–62.
https://doi.org/10.9790/1684-12255862