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Published in:
2013 | OriginalPaper | Chapter
Cost Calculations
Authors : József Farkas, Károly Jármai
Published in: Optimum Design of Steel Structures
Publisher: Springer Berlin Heidelberg
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This Chapter describes the importance of cost calculations when we optimize a structure. These cost calculations are founded on material costs and those fabrication costs, which have direct effect on the sizes, dimensions or shape of the structure. The cost function includes the cost of material, assembly, welding as well as surface preparation, painting and cutting, edge grinding, forming the shell and is formulated according to the fabrication sequence. Other costs, like amortization, investment, transportation, maintenance are not considered here. Sometimes we can predict the cost of design and inspection, but usually they are proportional to the weight of the structure.