1. Abbaszadeh MM, Houston S, Zapata C, Houston W, Welfert B, Walsh K (2010) Laboratory determination of soil–water characteristic curves for cracked soil. In: Proceedings of the fifth international conference on unsaturated soils. Taylor & Francis Group, London, 1, pp 409–415
2. Alonso EE, Gens A, Josa A (1990) A constitutive model for partially saturated soil. Geotechnique 40:405–430
3. ASTM Standard D 2216-98 (1998a) Test method for laboratory determination of water (moisture) content of soil and rock. American Society for Testing and Materials, West Conshohocken, Pa
4. ASTM Standard D 4318-98 (1998b) Test method for liquid limit, plastic limit and plasticity index of soils. American Society for Testing and Materials, West Conshohocken, Pa
5. ASTM Standard D 422-98 (1998c) Test method for particle-size analysis of soils. American Society for Testing and Materials, West Conshohocken, Pa