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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Stiffened Plates
verfasst von : József Farkas, Károly Jármai
Erschienen in: Optimum Design of Steel Structures
Verlag: Springer Berlin Heidelberg
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An assembly desk is constructed as a square plate stiffened by an orthogonal grid of ribs. The residual welding deflection is calculated applying the Okerblom’s method. When the ribs are tacked to each other and to the base plate before welding, then the deflection is decreased by grid effect. The base plate thickness and the dimensions of stiffeners are optimized to minimize the cost and to fulfil the deflection constraint.. The optimization is performed with and without grid effect and it is shown that the grid effect decreases the cost significantly.