1. Ahsan Z, Chik Z, Abedin Z (2014) The relationship of particle gradation and relative density with soil shear strength parameters from direct shear tests. Aust J Basic Appl Sci 8(19):271–275
2. Albrecht BA, Benson CH (2001) Effect of desiccation on compacted natural clays. J Geotech Geoenviron 127:67–75
3. ASTM. D2487-11 (2011) Standard practice for classification of soils for engineering purposes (Unified Soil Classification System). American Society for Testing and Materials, West Conshohocken, Pa
4. ASTM. D5298-94 (1997) Standard test method for the measurement of soil potential (suction) using filter paper. American Society for Testing and Materials, West Conshohocken, Pa
5. ASTM. D698-12e2 (2012) Standard test methods for laboratory compaction characteristics of soil using standard effort. American Society for Testing and Materials, West Conshohocken, Pa