Rehabilitation of Urft Dam - Rock Mechanics Based on an Anisotropic Jointed Rock Model - page 793

Figure 24.27 Quantities of seepage water in the middle of the valley, monitoring and analysis
(Wittke et al. 2012)
24.6.4 Displacements
The displacements of the dam, particularly at the crest, are dependent on both the
temperature and the storage level. Before rehabilitation, horizontal displacements of
10 - 15 mm were measured as a result of temperature changes. After excavation of the
inspection galleries, due to a temperature increase of 10°C, at constant storage level a
horizontal displacement of the dam's crest of only some 5 mm towards the upstream
side was measured by the plumb line devices (Fig. 24.28).
Figure 24.28
Displacements
due to change
of temperature
and storage level,
monitoring (Polczyk
2001)