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Figure 1
Localization of the reservoir on the hydrographic map of Poland (Aoteroa, 2006).
Figure 2
View of the triangle mesh of the terrain model of the reservoir’s area, with locations of numerical models
Figure 3
Fragment of the dam built of material from local mines, km 1+900.
Figure 4
One of gravel mines within the reservoir’s basin, view from the right-bank dam, km 2+400.
Figure 5
3D view of the REV element along with the generated finite element mesh
Figure 6
Generated 3D finite element mesh for Dam 1.
Figure 7
Isolines of hydraulic head relative to the roof of the gravel layer after: a) 1 day, b) 2.5 days, c) 15 days, d) 1 year.
Figure 8
Isolines of hydraulic head in a selected cross-section relative to the elevation of 170 m above sea level after: b) 1 day, b) 2.5 days, d) 15 days, e) 1 year
Figure 9
Vector field of seepage speed in the roof of the gravel layer underneath the clay layer after: a) during the period between floods (1 year after flood), b) 15th day of filling. Water table height in gravel layer is shown in the background.
Figure 10
Area of change of potential Ψ to a negative sign on the 15th day of reservoir filling.
Figure 11
Model geometry (10× exaggeration): 1. clay, 2. gravel, 3. gravel columns in clay, 4. drain, 5. Diaphragm wall
Figure 12
Seepage rate vectors on the 15th day of a flood, in the gravel layer for the case of the shorter diaphragm wall (left) and longer diaphragm wall (right).
Figure 13
Comparison of water table height (in the case of no drainage) for both variants of diaphragm wall length. Longer diaphragm wall on the left, shorter on the right6.3
Figure 14
A) Generated 3D finite element mesh B) Cross-section through dam 3: 1. clay, 2. gravel, 3. gravel columns in clay, 4. drain
Figure 15
Isolines of hydraulic head and flow vectors in the gravel layer at 170 m above sea level after: a) 1 day, b) 15 days.