Abstract
AbstractWind load is the wind pressure on the windward sides of structures (houses, cranes, masts, billboards, power line supports, etc.). There are many examples of plant accidents due to strong gusts of wind, which, for example, shows the importance of considering wind load when calculating structures. The purpose of the work is to assess the actual state of the billboard design and make suggestions for its improvement for normal further operation. The work gives the calculation expressions of maximum total wind load, stress and deflection in the metal rack. Computation of billboard rack possessing sufficient strength and rigidity is described. Calculation of the required minimum diameter of the billboard rack is considered. The graph of the change in the deflection depending on the diameter of the rack is described. The investigations allow calculation of billboards racks that can withstand large wind loads. Received in work expressions allow to calculate of maximum total wind load, stress and deflection in the metal rack. Based on this, it is possible to estimate the reliability of the billboard construction. The expressions, obtained in the work, allow calculating the minimum diameter of billboard racks, ensuring their reliability. KeywordsWindBillboardWind load
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