Optimum design of steel space frames including soil-structure interaction

The effect of soil-structure interaction on the optimum design of steel space frames is investigated using metaheuristic algorithms. Three-parameter elastic foundation model is used to incorporate soil-structure interaction. A computer program is developed in MATLAB interacting with SAP2000-OAPI for...

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Veröffentlicht in:	Structural and multidisciplinary optimization 2016-07, Vol.54 (1), p.117-131
Hauptverfasser:	Daloglu, Ayse T., Artar, Musa, Özgan, Korhan, Karakas, Ali İ.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computational Mathematics and Numerical Analysis Design factors Design optimization Elastic foundations Engineering Engineering Design Frame design Heuristic methods Limit state design Load resistance Mathematical models Parameters Research Paper Resistance factors Soil-structure interaction Space frames Steel construction Steel frames Steel structures Theoretical and Applied Mechanics
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Zusammenfassung:	The effect of soil-structure interaction on the optimum design of steel space frames is investigated using metaheuristic algorithms. Three-parameter elastic foundation model is used to incorporate soil-structure interaction. A computer program is developed in MATLAB interacting with SAP2000-OAPI for two way data flow in all optimization procedures. Optimum design of space frames is formulated according to LRFD-AISC (Load and Resistance Factor Design, American Institute of Steel Construction) specifications. The parameters of foundation model are obtained by using soil surface displacements. It is concluded that consideration of soil-structure interaction ends up with heavier frames, and method is applicable for practical purposes.
ISSN:	1615-147X 1615-1488
DOI:	10.1007/s00158-016-1401-x