1. Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate;ASTM C128-15,2015
2. Standard Test Method for California Bearing Ratio (CBR) of Laboratory-Compacted Soils;ASTM D1883–16,2016
3. Standard Practice for Classification of Soils for Engineering Purpose (Unified Soil Classification System);ASTM D2487-11,2011
4. Standard Test Method for Direct Shear Test of Soils under Consolidated Drained Conditions;ASTM D3080,2002
5. Standard Test Method for Particle-Size Analysis of Soils;ASTM D422–63,2007