Modulus of Subsoil Reaction According to Vesic
The modulus of subsoil reaction is provided by:
modulus of elasticity of pile [MPa]
moment of inertia of pile [m4]
modulus of elasticity of soil [MPa]
pile diameter [m]
Poisson's ratio [-]
Poulos, H. G. et. Davis, E. H.: Pile Foundations Analysis and Design. New York: John Wiley and Sons, 1980, chapter 8.2.3, pp. 174 (equation 8.43).
Vesic, A. S.: Bending of Beams Resting on Isotropic Elastic Solid. JSMFD, ASCE, vol. 87, 1961, EM 2: pp. 35 - 53.
Vesic, A.S.: Design of Pile Foundations. National Cooperative Highway Research Program Synthesis 42, Transportation Research Board, Washington D.C., 1977.