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Comparison of estimation techniques for determining the in-situ characteristic concrete compressive strength

Robby Caspeele (UGent)
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Abstract
The assessment of existing structures becomes of crucial importance in decision making. In case of concrete structures, the estimation of the characteristic strength values from limited data is a difficult, but important task. There are currently different assessment methods available in literature. First of all, the classical coverage method can be used for this assessment of the characteristic in-situ compressive strength fck from n test results. Otherwise, based on the European Standard EN 1990, the characteristic strength may also be determined using a prediction method which is referred to as a "Bayesian procedure with vague prior distributions". Finally, the assessment can also be based on the rather recent European Standard EN 13791. In this contribution these different estimation methods are compared in a probabilistic way, by using numerical simulation techniques.

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Chicago
Caspeele, Robby. 2010. “Comparison of Estimation Techniques for Determining the In-situ Characteristic Concrete Compressive Strength.” In Doktorandensymposium 2010 - 51. Forschungskolloquium Des DAfStb, Proceedings, 1:467–478. Ghent, Belgium: Ghent University, Department of Structural engineering.
APA
Caspeele, R. (2010). Comparison of estimation techniques for determining the in-situ characteristic concrete compressive strength. Doktorandensymposium 2010 - 51. Forschungskolloquium des DAfStb, Proceedings (Vol. 1, pp. 467–478). Presented at the Doktorandensymposium 2010 - 51. Forschungskolloquium des DAfStb, Ghent, Belgium: Ghent University, Department of Structural engineering.
Vancouver
1.
Caspeele R. Comparison of estimation techniques for determining the in-situ characteristic concrete compressive strength. Doktorandensymposium 2010 - 51. Forschungskolloquium des DAfStb, Proceedings. Ghent, Belgium: Ghent University, Department of Structural engineering; 2010. p. 467–78.
MLA
Caspeele, Robby. “Comparison of Estimation Techniques for Determining the In-situ Characteristic Concrete Compressive Strength.” Doktorandensymposium 2010 - 51. Forschungskolloquium Des DAfStb, Proceedings. Vol. 1. Ghent, Belgium: Ghent University, Department of Structural engineering, 2010. 467–478. Print.
@inproceedings{1339415,
  abstract     = {The assessment of existing structures becomes of crucial importance in decision making. In case of concrete structures, the estimation of the characteristic strength values from limited data is a difficult, but important task. There are currently different assessment methods available in literature. First of all, the classical coverage method can be used for this assessment of the characteristic in-situ compressive strength fck from n test results. Otherwise, based on the European Standard EN 1990, the characteristic strength may also be determined using a prediction method which is referred to as a {\textacutedbl}Bayesian procedure with vague prior distributions{\textacutedbl}. Finally, the assessment can also be based on the rather recent European Standard EN 13791. In this contribution these different estimation methods are compared in a probabilistic way, by using numerical simulation techniques.},
  author       = {Caspeele, Robby},
  booktitle    = {Doktorandensymposium 2010 - 51. Forschungskolloquium des DAfStb, Proceedings},
  language     = {eng},
  location     = {Kaiserslautern, Germany},
  pages        = {467--478},
  publisher    = {Ghent University, Department of Structural engineering},
  title        = {Comparison of estimation techniques for determining the in-situ characteristic concrete compressive strength},
  volume       = {1},
  year         = {2010},
}