Considering the results of the analysis, model composed of 1D beam elements, the internal forces of the steel part have
been identified (Fig. 7b). On the basis of the results obtained calculating the shell-like model, the load-bearing capacity of
all steel elements of the upper superstructure has been verified. Moreover, the stresses of the steel elements above the slots
of the changing cross-section at the joints have been examined (Fig. 7b) evaluating steel fatigue due to a dynamic impact