Abstract
Mobile stage construction is a huge challenge for designers due to a very wide range of variable factors influencing it, such as wind or temperature, the value of which in this case depends on the geographical location. An inherent element of the impact of these factors are the accompanying different, both constant and variable loads. Detailed identification of these loads is as important as the analysis of the dynamic properties of the structure. The more so as the analyzed structure appears in two configurations, first as a semitrailer, and then as a stage.
Highlights
Mobile stages are mainly steel or steel-aluminum truss structures commonly used in the entertainment industry
It should be taken into account that mobile scenes have the ability to move, and are exposed to the influence of dynamic loads occurring during motion [1,3]
The rapid development of the entertainment industry contributes to the emergence of more and more sophisticated mobile stage designs, and recently it has been an absolute phenomenon to create scenes with very large usable areas of the stage platform
Summary
Mobile stages are mainly steel or steel-aluminum truss structures commonly used in the entertainment industry. They are usually the central part of any major event. They can be used to develop appropriate rules for the operation of this type of structure, which would boil down to excluding from the sensitive ranges phenomena that could strengthen the resonance areas. In yet another case, the structure is modified on the basis of the estimated dynamic properties. Each of these solutions boils down to the same goal in the form of obtaining the properties of the structure, for which, in the assumed range, there will be no resonance reinforcements of the vibration response to possible dynamic excitations
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