Integrated GIS and geotechnical assessment of the stability of the Oued Ayda dike (Kesra Siliana, Tunisia)

Table 1.

Mechanical data of the hillside reservoir

  Short term Long term

Friction angle φu φu =32° φu =20°
Density γh γh = 16.8 kN/m² γh = 16.8 kN/m²
Cohesion Cu Cu= 68 kN/m² Cu= 42 kN/m²