Skip to main content

Table 3 Hydraulic parameters used in this paper

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

Parameter

Unit

Value

References

Waste density ρs

kg/m3

1500

Feng et al. (2018), Feng et al. (2020), Xu et al. (2012)

Initial gas density ρg

kg/m3

1.25

 

Leachate density ρl

kg/m3

1000

 

Porosity n

0.5

 

Initial leachate saturation Sl0

0.5

 

Initial gas pressure pg0

Pa

0

 

Vertical intrinsic permeability Kv

m2

10−12

 

Diffusion coefficient of oxygen DO

m2/s

2 × 10−5

Feng et al. (2021b), Lu et al. (2020)

Dynamic viscosity of gas μg

kg/m/s

1.37 × 10−5

 

Dynamic viscosity of leachate μl

kg/m/s

10−3

 

Van Genuchten parameter pc0

Pa

4900

Fytanidis and Voudrias (2014), Lu et al. (2020)

Van Genuchten parameter m

0.5

 

Residual saturation Sw,r

0.2

 

Maximum saturation Sw,m

0.99