| m,n = | Tributary wall dimensions(ft) |
| t = | Geomembrane strip width (in). |
| LR, LE, Ls = | Strip lengths (ft); Ls=LR+LE. |
| D = | Depth from surface (ft) |
| γsoil= | Soil density (pcf) |
| Φsoil= | Soil, friction angle |
| δMembrane= | Friction_angle_between membrane strip and soil |