Szukana fraza: [Abstract = "In the paper the method of bending moment determination in the crown of the structure, which is the main component affecting stresses in the steel shell, is proposed. The results obtained using in\-situ method were compared with the results obtained using FEM software. The conclusions were drawn and the diagrams presenting the curvatures necessary to estimate values of the bending moment in the crown of the structure were obtained from the studies."]