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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Bibliographic Details
Published in:Structural and multidisciplinary optimization 2016-07, Vol.54 (1), p.117-131
Main Authors: Daloglu, Ayse T., Artar, Musa, Özgan, Korhan, Karakas, Ali İ.
Format: Article
Language:English
Subjects:
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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Summary: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