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OPTIMIZATION AND CONTROL IN CIVIL AND STRUCTURAL ENGINEERING
Edited by: B.H.V. Topping and B. Kumar
Computer Aided Optimum Design of Wide-Span Steel Frames
J. Tiago-Pinto* and J.A. Mota Freitas+
*Seccao de Engenharias, Universidade de Tras-os-Montes e Alto Douro, Vila Real, Portugal
J. Tiago-Pinto, J.A. Mota Freitas, "Computer Aided Optimum Design of Wide-Span Steel Frames", in B.H.V. Topping, B. Kumar, (Editors), "Optimization and Control in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 131-138, 1999. doi:10.4203/ccp.60.4.8
An optimum model is presented for the design of structural elements in typical industrial buildings.
The optimisation criterion selected was to minimise the steel weight of a structure per square metre of construction. The parameter chosen for the study of the optimisation was the distance between frames. The cross sectional area of each structural element is defined according to that parameter, also taking into account the standard stress and deflections that to which it is subjected.
In order to turn the design model into an easy working tool, a computer programme has been developed. From a relatively small amount of data (e.g., the global dimensions of the building, its location, etc) the programme calculates the optimal structural solution and at the same time, creates files that can draw the different parts of the building project.
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