Undrained cohesion

Benassi & Vannelli - Cu

Sanglerat - Cu

Sanglerat - Cu

a = 1.33 for low sandy sandy clay

(U.S.D.M.S.M.) U.S. Design Manual Soil Mechanics undrained cohesion - Cu

Schmertmann (1975) - Cu  - (average values)

Schmertmann (1975) - Cu

Fletcher (1965) (Chicago clay)

Houston (1960)

Shioi-Fukuni (1982)