Calculates the coefficient of lateral earth pressure at rest. 1 October 2015
Ko(phi, OCR = 1)Coefficient of lateral earth pressure at rest
= effective friction angle (deg)
= overconsolidation ratio (default = 1)
Kyle Elmy and Jim Kaklamanos
J. Jaky, "The coefficient of earth pressure at rest In Hungarian (A nyugalmi nyomas tenyezoje)", J. Soc. Hung. Eng. Arch. (Magyar Mernok es Epitesz-Egylet Kozlonye), 1944, Pages 355-358.
Paul W. Mayne and Fred H. Kulhawy, "K0-OCR relationship in soil", J. Geotech. Eng. Div., Am. Soc. Civ. Eng., 108(6), 1982, Pages 851-872.