Abstract. Long-span roofs have been of an increased interest within the last sixty years. An archtype steel roof of velodrome with the maximum span, height, and length equal to 109.50, 23.07, and 126.00 m respectively, is considered as the object of the current investigation. The choice of the preferable structural solution and behaviour analysis of load-carrying members of the long-span arch-type steel roof of the velodrome is considered as the aim of the current study. The distribution of internal forces and stresses in the trihedral lattice steel arch with a triangular web such as displacements under the action of design loads were investigated for fixed, double-hinged, and three-hinged static schemes. It was stated that the preferable structural scheme is the fixed arch.
An arch-type steel roof of the velodrome with the maximum span, height, and length equal to 109.50, 23.07, and 126.00 m respectively, is considered as the object of the current investigation. Steel is considered as a structural material based on the existing experience of implementing similar structures [8]. The choice of the preferable structural solution and behaviour analysis of load-carrying members of the long-span arch-type steel roof of the velodrome is considered as the aim of the current study. The distribution of internal forces and stresses in the main load-carrying structural members such as displacements under the impact of design loads must be investigated in the course of the current study.
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The behaviour of the trihedral lattice steel arch with a triangular web was investigated for a static case of loading [10]. The structure is considered under the impact of permanent (dead weight) and variable loads (snow and wind), which were determined by the recommendation of EN 1991. The choice of the preferable structural solution and behaviour analysis for the trihedral lattice steel arch with a triangular web is carried out for three static schemes [11]: fixed arch, double-hinged arch, and three-hinged arch (see Figure 4). 2ff7e9595c