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Table 1 Boundary conditions for numerical simulations

From: Slope stability analysis of a landfill subjected to leachate recirculation and aeration considering bio-hydro coupled processes

Boundaries Top surface Bottom surface Right surface Surrounding surfaces Leachate injection trench Air injection screen
pg Fixed value (0 Pa) Impervious Impervious Symmetry Impervious Fixed value (1–15 kPa)
pl Impervious Fixed value (0 Pa) Impervious Symmetry Fixed value (49–343 kPa) Impervious
YO Fixed value (0%) Zero gradient Zero gradient Symmetry Fixed value (0%) Fixed value (26.6%)
du Free traction Fixed dux = 0 Symmetry