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2. Standard test methods for specific gravity of soil solids by water pycnometer;ASTM D854-14,2014
3. Standard test method for unconfined compressive strength of cohesive soil;ASTM D2166/D2166M-16,2016
4. Standard test methods for one-dimensional consolidation properties of soils using incremental loading;ASTM D2435/D2435M-11,2011
5. Standard test methods for liquid limit, plastic limit, and plasticity index of soils;ASTM D4318-17,2017