Accounting for spatial variability in partial factor based design verifications
(2021)
IABSE Congress : Structural Engineering for Future Societal Needs.
In IABSE Congress Reports
21.
p.1805-1812
- Author
- Wouter Botte (UGent) and Robby Caspeele (UGent)
- Organization
- Project
- Abstract
- Traditional design and assessment approaches usually assume that e.g. material properties and environmental influences are uniform in space. However, it is well-known that such parameters can show considerable spatial variability. Furthermore, it has been shown that such spatial variability can significantly influence structural reliability. One way to account for spatial variability is by means of random fields. However, the use of such advanced calculations has not found its way to everyday engineering practice. Therefore, a methodology is developed in order to include spatial variability in the partial factor method in a way which is consistent with the current Eurocode format for design. This is done by introducing a separate partial factor which depends on the correlation length and the variability of the parameter under consideration. As such, an easy-to-use graph is generated, which can be applied in practice for the adjustment of partial factors to take into account spatial correlation. Finally, the proposed approach is validated by means of full-probabilistic calculations.
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Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-01GJGJFJ5RVKGEG6SW4XKNNKW7
- MLA
- Botte, Wouter, and Robby Caspeele. “Accounting for Spatial Variability in Partial Factor Based Design Verifications.” IABSE Congress : Structural Engineering for Future Societal Needs, edited by H. H. Snijder et al., vol. 21, International Association for Bridge and Structural Engineering (IABSE), 2021, pp. 1805–12, doi:10.2749/ghent.2021.1805.
- APA
- Botte, W., & Caspeele, R. (2021). Accounting for spatial variability in partial factor based design verifications. In H. H. Snijder, B. De Pauw, S. van Alphen, & P. Mengeot (Eds.), IABSE Congress : Structural Engineering for Future Societal Needs (Vol. 21, pp. 1805–1812). https://doi.org/10.2749/ghent.2021.1805
- Chicago author-date
- Botte, Wouter, and Robby Caspeele. 2021. “Accounting for Spatial Variability in Partial Factor Based Design Verifications.” In IABSE Congress : Structural Engineering for Future Societal Needs, edited by H. H. Snijder, Bart De Pauw, Sander van Alphen, and Pierre Mengeot, 21:1805–12. International Association for Bridge and Structural Engineering (IABSE). https://doi.org/10.2749/ghent.2021.1805.
- Chicago author-date (all authors)
- Botte, Wouter, and Robby Caspeele. 2021. “Accounting for Spatial Variability in Partial Factor Based Design Verifications.” In IABSE Congress : Structural Engineering for Future Societal Needs, ed by. H. H. Snijder, Bart De Pauw, Sander van Alphen, and Pierre Mengeot, 21:1805–1812. International Association for Bridge and Structural Engineering (IABSE). doi:10.2749/ghent.2021.1805.
- Vancouver
- 1.Botte W, Caspeele R. Accounting for spatial variability in partial factor based design verifications. In: Snijder HH, De Pauw B, van Alphen S, Mengeot P, editors. IABSE Congress : Structural Engineering for Future Societal Needs. International Association for Bridge and Structural Engineering (IABSE); 2021. p. 1805–12.
- IEEE
- [1]W. Botte and R. Caspeele, “Accounting for spatial variability in partial factor based design verifications,” in IABSE Congress : Structural Engineering for Future Societal Needs, Ghent, Belgium (online), 2021, vol. 21, pp. 1805–1812.
@inproceedings{01GJGJFJ5RVKGEG6SW4XKNNKW7,
abstract = {{Traditional design and assessment approaches usually assume that e.g. material properties and environmental influences are uniform in space. However, it is well-known that such parameters can show considerable spatial variability. Furthermore, it has been shown that such spatial variability can significantly influence structural reliability. One way to account for spatial variability is by means of random fields. However, the use of such advanced calculations has not found its way to everyday engineering practice. Therefore, a methodology is developed in order to include spatial variability in the partial factor method in a way which is consistent with the current Eurocode format for design. This is done by introducing a separate partial factor which depends on the correlation length and the variability of the parameter under consideration. As such, an easy-to-use graph is generated, which can be applied in practice for the adjustment of partial factors to take into account spatial correlation. Finally, the proposed approach is validated by means of full-probabilistic calculations.}},
author = {{Botte, Wouter and Caspeele, Robby}},
booktitle = {{IABSE Congress : Structural Engineering for Future Societal Needs}},
editor = {{Snijder, H. H. and De Pauw, Bart and van Alphen, Sander and Mengeot, Pierre}},
isbn = {{9783857481765}},
language = {{eng}},
location = {{Ghent, Belgium (online)}},
pages = {{1805--1812}},
publisher = {{International Association for Bridge and Structural Engineering (IABSE)}},
title = {{Accounting for spatial variability in partial factor based design verifications}},
url = {{http://doi.org/10.2749/ghent.2021.1805}},
volume = {{21}},
year = {{2021}},
}
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