8INDRATNA B,REDANA I W.Plane-strain modeling of smear effects associated with vertical drains. Journal of Geotechnical and Geoenvironmental Engineering . 1997
9HIRD C C,PYRAHIC,RUSSELL D,et al.Modeling the effect of vertical drains in two-dimensional finite element analysis of embankments on soft ground. Canadian Geotechnical Journal . 1995
10Hird C C,Pyrah I C,Russell D.Finite element modeling of vertical drains beneath embankments on soft ground. Geotechnique . 1992