Benchmarking of deemed-to-satisfy provisions in standards, State-of-the-art report

Miguel Ferreira, Task Group 8.6: Calibration of code deemed-to-satisfy provisions for durability, Christoph Gehlen, Mike Bartholomew, Carola Edvardsen, Stefanie von Greve-Dierfeld, Joost Gulikers, Steinar Helland, Gro Markeset, Philip McKenna, Frank Papworth, Brett Pielstick, Amir Rahimi

Research output: Book/ReportReportProfessional

Abstract

Standards for specifying and ensuring the durability of new concrete structures are commonly of the prescriptive kind. fib Bulletin 76: Benchmarking of deemed-to-satisfy provisions in standards - Durability of reinforced concrete structures exposed to chlorides presents the benchmarking of a number of rules for chloride-induced corrosion as given in national codes such as European, US and Australian standards. This new benchmark determines the reliability ranges in the chloride-induced depassivation of rebar if the deemed-to-satisfy rules of different countries are taken into consideration. It does not only involve (probabilistic) calculations using input mainly based on short-term and rapid laboratory-test data but also involves input based on an independent assessment of existing structures. The reliability analyses are carried out using the probabilistic design approach for chloride-induced corrosion presented in fib Bulletin 34: Model Code for Service Life Design (2006), fib Model Code for Concrete Structures 2010 and ISO 16204:2012. The work compares the calculated reliability ranges thus determined with the target reliabilities proposed by current specifications and, based on the comparison, offers a proposal for the improvement of deemed-to-satisfy rules and specifications. fib Bulletin 76 presents and discusses in detail the input data for the examined model parameters and offers an extensive annexe documenting the values of the individual parameters used in the analyses. It thus provides a reliable database for the performance-based probabilistic service-life design of concrete structures exposed to chlorides, be they in the form of salt fog, sea water or de-icing salts.
Original languageEnglish
PublisherInternational Federation for Structural Concrete FIB
Number of pages191
ISBN (Print)978-2-88394-116-8
Publication statusPublished - 2015
MoE publication typeD4 Published development or research report or study

Publication series

Namefib Bulletin
PublisherFédération internationale du béton, fib
Volume76

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Benchmarking
Concrete construction
Service life
Snow and ice removal
Durability
Salts
Corrosion
Specifications
Fog
Reinforced concrete
Water

Cite this

Ferreira, M., durability, T. G. . . C. O. C. D. P. F., Gehlen, C., Bartholomew, M., Edvardsen, C., von Greve-Dierfeld, S., ... Rahimi, A. (2015). Benchmarking of deemed-to-satisfy provisions in standards, State-of-the-art report. International Federation for Structural Concrete FIB. fib Bulletin, Vol.. 76
Ferreira, Miguel ; durability, Task Group 8.6: Calibration of code deemed-to-satisfy provisions for ; Gehlen, Christoph ; Bartholomew, Mike ; Edvardsen, Carola ; von Greve-Dierfeld, Stefanie ; Gulikers, Joost ; Helland, Steinar ; Markeset, Gro ; McKenna, Philip ; Papworth, Frank ; Pielstick, Brett ; Rahimi, Amir. / Benchmarking of deemed-to-satisfy provisions in standards, State-of-the-art report. International Federation for Structural Concrete FIB, 2015. 191 p. (fib Bulletin, Vol. 76).
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abstract = "Standards for specifying and ensuring the durability of new concrete structures are commonly of the prescriptive kind. fib Bulletin 76: Benchmarking of deemed-to-satisfy provisions in standards - Durability of reinforced concrete structures exposed to chlorides presents the benchmarking of a number of rules for chloride-induced corrosion as given in national codes such as European, US and Australian standards. This new benchmark determines the reliability ranges in the chloride-induced depassivation of rebar if the deemed-to-satisfy rules of different countries are taken into consideration. It does not only involve (probabilistic) calculations using input mainly based on short-term and rapid laboratory-test data but also involves input based on an independent assessment of existing structures. The reliability analyses are carried out using the probabilistic design approach for chloride-induced corrosion presented in fib Bulletin 34: Model Code for Service Life Design (2006), fib Model Code for Concrete Structures 2010 and ISO 16204:2012. The work compares the calculated reliability ranges thus determined with the target reliabilities proposed by current specifications and, based on the comparison, offers a proposal for the improvement of deemed-to-satisfy rules and specifications. fib Bulletin 76 presents and discusses in detail the input data for the examined model parameters and offers an extensive annexe documenting the values of the individual parameters used in the analyses. It thus provides a reliable database for the performance-based probabilistic service-life design of concrete structures exposed to chlorides, be they in the form of salt fog, sea water or de-icing salts.",
author = "Miguel Ferreira and durability, {Task Group 8.6: Calibration of code deemed-to-satisfy provisions for} and Christoph Gehlen and Mike Bartholomew and Carola Edvardsen and {von Greve-Dierfeld}, Stefanie and Joost Gulikers and Steinar Helland and Gro Markeset and Philip McKenna and Frank Papworth and Brett Pielstick and Amir Rahimi",
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Ferreira, M, durability, TGCOCDPF, Gehlen, C, Bartholomew, M, Edvardsen, C, von Greve-Dierfeld, S, Gulikers, J, Helland, S, Markeset, G, McKenna, P, Papworth, F, Pielstick, B & Rahimi, A 2015, Benchmarking of deemed-to-satisfy provisions in standards, State-of-the-art report. fib Bulletin, vol. 76, International Federation for Structural Concrete FIB.

Benchmarking of deemed-to-satisfy provisions in standards, State-of-the-art report. / Ferreira, Miguel; durability, Task Group 8.6: Calibration of code deemed-to-satisfy provisions for; Gehlen, Christoph; Bartholomew, Mike; Edvardsen, Carola; von Greve-Dierfeld, Stefanie; Gulikers, Joost; Helland, Steinar; Markeset, Gro; McKenna, Philip; Papworth, Frank; Pielstick, Brett; Rahimi, Amir.

International Federation for Structural Concrete FIB, 2015. 191 p. (fib Bulletin, Vol. 76).

Research output: Book/ReportReportProfessional

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AU - Gehlen, Christoph

AU - Bartholomew, Mike

AU - Edvardsen, Carola

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AU - Helland, Steinar

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Ferreira M, durability TGCOCDPF, Gehlen C, Bartholomew M, Edvardsen C, von Greve-Dierfeld S et al. Benchmarking of deemed-to-satisfy provisions in standards, State-of-the-art report. International Federation for Structural Concrete FIB, 2015. 191 p. (fib Bulletin, Vol. 76).