1. ASTM. (2006). “Standard test method for using pH to estimate the soil-lime proportion requirement for soil stabilization.” D6276-99a West Conshohocken PA.
2. ASTM. (2007). “Standard test method for particle-size analysis of soils.” D422-63 West Conshohocken PA.
3. ASTM. (2008a). “Standard test method for shrinkage factors of soils by the wax method.” D4943-08 West Conshohocken PA.
4. ASTM. (2008b). “Standard test method for unconfined compressive strength of cohesive soil.” D2166-06 West Conshohocken PA.
5. ASTM. (2008c). “Standard test methods for one-dimensional swell or collapse of cohesive soils.” D4546-08 West Conshohocken PA.