1. ASTM D2435/D2435M-11 (2011) Standard test methods for one-dimensional consolidation properties of soils using incremental loading. ASTM International, West Conshohocken, PA
2. ASTM D6913/D6913M-17 (2017) Standard test methods for particle-size distribution (gradation) of soils using sieve analysis. ASTM International, West Conshohocken, PA
3. ASTM D2487-17e1 (2017) Standard practice for classification of soils for engineering purposes (Unified soil classification system). ASTM International, West Conshohocken, PA
4. ASTM D4318 (2017) Standard test methods for liquid limit, plastic limit, and plasticity index of soils, ASTM International, West Conshohocken, PA
5. Augustesen A, Liingaard M, Lade PV (2004) Evaluation of time-dependent behavior of soils. Int J Geomech 4(3):137–156