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Structural Engineering and Mechanics Volume 51, Number 1, July10 2014 , pages 067-88 DOI: https://doi.org/10.12989/sem.2014.51.1.067 |
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The use of topology optimization in the design of truss and frame bridge girders |
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Ryszard Kutylowski and Bartosz Rasiak
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| Abstract | ||
| It is shown that topology optimization is a valuable tool for the design of bridge girders. This paper is a follow-up to (Kutylowski and Rasiak 2014) and it includes an analysis of truss members\' outer dimensions dictated by the standards. Moreover, a frame bridge girder mapped from a selected topology is compared with a typical frame girder on the basis of (Kutylowski and Rasiak 2014). The analysis shows that topology optimization by means of the proposed algorithm yields a topology from which one can map a frame bridge girder requiring less material for its construction than the typical frame girder currently used in bridge construction. | ||
| Key Words | ||
| topology optimization; design of frame bridge girders; topology and design parameters analysis | ||
| Address | ||
| Ryszard Kutylowski : Institute of Civil Engineering, Wroclaw University of Technology, Wyb. Wyspiańskiego 27, Poland Bartosz Rasiak : Alpine Bau GmbH, Polish Branch, Poland | ||