Terzaghi, K. V. (1936). The shearing resistance of saturated soils and the angle between the planes of shear. In First international conference on soil Mechanics (Vol. 1, pp. 54–59).
Bishop, A. W., & Blight, G. E. (1963). Some aspects of effective stress in saturated and partly saturated soils. Geotechnique, 13(3), 177–197.
Fredlund, D. G., Morgenstern, N. R., & Widger, R. A. (1978). The shear strength of unsaturated soils. Canadian Geotechnical Journal, 15(3), 313–321.
Alonso, E. E., Romero, E., Hoffmann, C., & García-Escudero, E. (2005). Expansive bentonite–sand mixtures in cyclic controlled-suction drying and wetting. Engineering Geology, 81(3), 213–226.
Abeyrathne, A., Sivakumar, V., & Kodikara, J. (2019). Isotropic volumetric behavior of compacted unsaturated soils within specific volume, specific water volume, mean net stress (v, vw, p) space. Canadian Geotechnical Journal, 56(12), 1756–1778.
Khosravi, A., Rahimi, M., Gheibi, A., & Mahdi Shahrabi, M. (2018). Impact of plastic compression on the small strain shear modulus of unsaturated silts. International Journal of Geomechanics, 18(2), 04017138.
Ng, C. W. W., Zheng, G., Ni, J., & Zhou, C. (2020). Use of unsaturated small-strain soil stiffness to the design of wall deflection and ground movement adjacent to deep excavation. Computers and Geotechnics, 119, p. 103375.
Ngoc, T. P., Fatahi, B., & Khabbaz, H. (2019). Impacts of drying-wetting and loading-unloading cycles on small strain shear modulus of unsaturated soils. International Journal of Geomechanics, 19(8), 04019090.
Alonso, E. E., Gens, A., & Josa, A. (1990). A constitutive model for partially saturated soils. Géotechnique, 40(3), 405–430.
Santagiuliana, R., & Schrefler, B. A. (2006). Enhancing the Bolzon–Schrefler–Zienkiewicz constitutive model for partially saturated soil. Transport in porous media, 65(1), 1–30.
Loret, B., & Khalili, N. (2000). A three-phase model for unsaturated soils. International Journal for Numerical and Analytical Methods in Geomechanics, 24(11), 893–927.
Vecchia, G. D., & Romero, E. (2013). A fully coupled elastic–plastic hydromechanical model for compacted soils accounting for clay activity. International Journal for Numerical and Analytical Methods in Geomechanics, 37(5), 503–535.
Biglari, M., Mancuso, C., d’Onofrio, A., Jafari, M. K., & Shafiee, A. (2011). Modelling the initial shear stiffness of unsaturated soils as a function of the coupled effects of the void ratio and the degree of saturation. Computers and Geotechnics, 38(5), 709–720.
Zhou, C. (2014). Experimental study and constitutive modelling of cyclic behavior at small strains of unsaturated silt at various temperatures (Doctoral dissertation, Hong Kong University of Science and Technology).
Wong, K. S., Mašín, D., & Ng, C. W. W. (2014). Modelling of shear stiffness of unsaturated fine grained soils at very small strains. Computers and Geotechnics, 56, 28–39.
Houlsby, G. T. (1997). The work input to an unsaturated granular material. Géotechnique, 47(1), 193–196.
Wheeler, S. J., Sharma, R. S., & Buisson, M. S. R. (2003). Coupling of hydraulic hysteresis and stress–strain behavior in unsaturated soils. Géotechnique, 53(1), 41–54.
Hasan, A. M. (2016). Small strain elastic behavior of unsaturated soil investigated by bender/extender element testing (Doctoral dissertation, University of Glasgow).
Cassidy, M.J., Houlsby, G.T., Hoyle, M. and Marcom, M.R., 2002, January. Determining appropriate stiffness levels for spudcan foundations using jack-up case records. In International Conference on Offshore Mechanics and Arctic Engineering (Vol. 36142, pp. 307–318)
Graham, J., & Houlsby, G. T. (1983). Anisotropic elasticity of a natural clay. Géotechnique, 33(2), 165–180.
Braun, P., Ghabezloo, S., Delage, P., Sulem, J., & Conil, N. (2021). Transversely isotropic poroelastic behavior of the Callovo-Oxfordian claystone: A set of stress-dependent parameters. Rock Mechanics and Rock Engineering, 54(1), 377–396.
Wheeler, S. J. (1996). Inclusion of specific water volume within an elasto-plastic model for unsaturated soil. Canadian Geotechnical Journal, 33(1), 42–57.
Borden, R. H., Gabr, M. A., Lee, J., Tang, C. T., & Wang, C., (20160. Design of temporary slopes and excavations in NC residual soils (No. FHWA/NC/2013–07). North Carolina. Department of Transportation.
Wood, D. M. (2003). Geotechnical modelling (Vol. 1). CRC press.
Atkinson, J. H., Richardson, D., & Stallebrass, S. E. (1990). Effect of recent stress history on the stiffness of overconsolidated soil. Géotechnique, 40(4), 531–540.
Lings, M. L., Pennington, D. S., & Nash, D. F. T. (2000). Anisotropic stiffness parameters and their measurement in a stiff natural clay. Géotechnique, 50(2), 109–125.