Table 6: Characteristic value of dam stresses under analysis case  2.

PositionStress typeDesign (MPa)Generalized least squares (MPa)D-ACO (MPa)

Upstream surfaceMaximum tensile stress1.24 (left side)1.35 (left dam abutment)2.56 (left side)
Maximum compressive stress−3.6 (EL 2100 m)−3.67 (EL 2100 m)−3.33 (EL 2093 m)

Downstream surfaceMaximum tensile stress0.61 (EL 2150 m)0.69 (EL2141 m)0.7 (EL 2151 m)
Maximum compressive stress−7.52 (EL 2060 m)−7.73 (EL 2060 m)−8.12 (EL 2060 m)

InterfaceMaximum tensile stress0.61 (dam heel)0.38 (dam heal)
Maximum compressive stress−1.87 (EL 2030 m)−1.88 (EL 2030 m)