Table 1: Summary or parameters.

Symbol Parameter Name Units Value
γa Unit weight (kN/m3) 5.5
α Inver of air-entry pressure (1/kPa) 1.4
θr Residual moisture content (-) 0.14
θs Saturated moisture content (-) 0.58
n Van Genuchten fitting parameter (-) 1.6
a Van Genuchten fitting parameter (-) 0.37
b Van Genuchten fitting parameter (-) 0.5
c Van Genuchten fitting parameter (-) 0.5
Kv Hydraulic conductivity (m/s) 1×10-7
Kh/Kv Waste anisotropy (-) 10
C’ Waste cohesion (kPa) 15
C”b Tire shred-sand mixtures cohesion (kPa) 41
Φ’ Waste friction angle (Degree) 35
Φ” Tire shred-sand mixtures friction angle (Degree) 35
p Injection pressure (kPa) 49

a.The van Genuchten model parameters of MSW based on Kazimogle (2006) [40]. b.The shred-sand mixtures cohesion based on Zornberg JG (2004) [41]