Correction Factor for Poisson's Ratio of Soil Cv
The values of the factor Cν are generally presented as a function of Poisson's ratio of the surrounding soil νs for various K. These graphs are implemented in the program in a digital format.
Poisson's ratio correction factor for base load Cν
Poulos, H. G. et. Davis, E. H.: Pile Foundations Analysis and Design. New York: John Wiley and Sons, 1980, chapter 5.3.3, pp. 86 (figure 5.13).