Figure 1:
Overview of arch structures on railway lines in the Czech Republic according to material and their average service life
Figure 2:
Number of investigated arch structures by year of construction
Figure 3:
Thickness of the arch of the main spans at the top and bottom depending on the clearance of the arch at the bottom
Figure 4:
Cheb Viaduct – view from a drone
Figure 5:
Bridge over the Ohře River in Bohušovice – view of the bridge
Figure 6:
Viaduct Milevsko – view from a drone
Figure 7:
Types of failures detected on investigated bridges
Figure 8:
Considered failures with a direct impact on reliability in the calculation, apart from the actual material parameters, which were always considered
Figure 9:
Milevsko Viaduct - vegetation growing through the structure
Figure 10:
Bridge over the Ohře River in Bohušovice – moisture retention with shotcrete and leaks through shotcrete
Figure 11:
Viaduct near Ratboř – degradation of sandstone blocks and fallen jointing
Figure 12:
Cheb Viaduct – Degradation and leaching at the joint between the original stone structure and the newer reinforced concrete structure
Figure 13:
Milevsko Viaduct – longitudinal cracks with active leakage, joint erosion, and incrustation
Figure 14:
Results from the method of flat scanning of the buckling of the spandrel wall above pillar P9
Figure 15:
Viaduct Milevsko – Numerical model in LimitState:RING using the limit equity method
Figure 16:
Bridge over the Ohře River in Bohušovice – Complex model in the ATENA program using volumetric discrete numerical elements
Figure 17:
Load-bearing capacity in ULS and SLS according to the year of construction of the arch structure
Figure 18:
Consideration of temperature load in analysis