Table 1 Hydraulic and mechanical parameters which are used in the numerical model

Angle of inclination, \(\gamma\)

10.0

°

Porosity, \(n\)

0.16

−

Hydraulic conductivity, \(K\)

4.0e−13

m/s

Permeability in the plane of isotropy, \(k_{{\left\| {} \right.}}\)

6.8e−20

m²

Permeability normal to the plane of isotropy, \(k_{ \bot }\)

1.36e−20

m²

Liquid density, \(\rho_{l}\)

1000

kg/m³

Perfect gas constant, \(R\)

8.314

J/(K mol)

Molecular weight water, \(M_{w}\)

0.018

kg/mol

Biot constant, \(\alpha\)

1.0

–

Bishop coefficient, \(\chi\)

0.0–1.0

–

Grain density claystone, \(\rho_{s}\)

2500

kg/m³

Poisson number in the plane of isotropy, \(\upsilon_{{\left\| {} \right.}}\)

0.18

–

Poisson number normal to the plane of isotropy, \(\upsilon_{ \bot }\)

0.16

–

E in the plane of isotropy, \(E_{{\left\| {} \right.}}\)

3.6e9

N/m²

E normal to the plane of isotropy, \(E_{ \bot }\)

1.1e9

N/m²

G normal to the plane of isotropy, \(G_{ \bot }\)

1.2e9

N/m²

Maximal swelling pressure, \(p_{sw,\hbox{max} }\)

7.0e7

N/m²

Van Genuchten parameter, \(P_{0}\)

44.4e6

Pa

Van Genuchten parameter, \(\beta\)

0.54

–

Van Genuchten parameter, \(m\)

2

–

Residual saturation, \(S_{res}\)

0.002

–

Maximal saturation, \(S_{\hbox{max} }\)

1.0

–