PSI - Issue 72

Boris Folić et al. / Procedia Structural Integrity 72 (2025) 278 – 285

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Table 1. Model arch and bridge. Construction and part of arch

Model

Connection in the crown

Model 1 Model 2

The entire arch is introduced from three longitudinal parts. The arch is introduced with upper and lower longitudinal part.

fixed fixed fixed fixed

Model 3 Only the lower part of the longitudinal arch is introduced.

Model 4 Only the lower part of the longitudinal arch is introduced. The line supports of arch rods are introduced longitudinally, but in this case they do not give good results. Only the lower part of the longitudinal arch is introduced. Only the lower part of the longitudinal arch, and non linear supports in the nodes of the arch are introduced. The entire arch is introduced from three longitudinal parts. Hangers and part of the road plate are also included. 3. Changes in the load phase on the caissons Some stages of loading during the construction and lifting of arch parts should be considered. Model 5 Model 6 Model 7

joints without fixed

Fig. 2. Properties of cross section of bottom part of arch. Tower Radimpex.

Fig. 3. Normal forces at the vertex of the large arch. Model 7