The methods for numerical modelling and static computer analysis of turbo air m3f72-3-n steel decks fixed on scaffoldings are presented in this study.The main problem raised in the study is the presentation of the method of creating models of a single deck and determination of the suitability of every model for electric swingarm lenses various project situations.Additionally, the comparison of the results obtained from a linear analysis and analysis with material nonlinearity is conducted.