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Assessment of the reduction of the safety level of concrete slabs during fire

Ruben Van Coile UGent, Robby Caspeele UGent, Emmanuel Annerel UGent and Luc Taerwe UGent (2010) Proceedings of the 8th international probabilistic workshop. p.61-72
abstract
Although several studies are available with respect to the safety level op concrete structures, the behaviour of the safety level during fire is most often not considered. Nevertheless, a full-probabilistic methodology for calculating the safety level during fire is very useful for a quantitative comparison of design alternatives and for considering more detailed (or updated) information regarding material properties as well as geometrical properties into the design or verification process. In this paper, a computational tool is developed for calculating the time and temperature dependent reliability index of concrete slabs, taking into account time-dependent temperature profiles and temperature-dependent material properties. Monte Carlo simulations are used in order to quantify the stochastic nature of the diffent variables, resulting in a full-probabilistic calculation tool with sufficient flexibility to be applied for a wide range of practical applications. Firstly, the evolution of the bending moment capacity of a number of reference slabs is investigated and compared, taking into account the uncertainty on variables according to literature data and experimental test results. Secondly, the results of these full-probabilistic simulations are compared with the semi-probabilistic calculation methods as specified in EN 1992-1-2. The effectiveness of the general calculation method and the accuracy of the simplified calculation method described in this European standard are evaluated. Finally, some critical points of interest with respect to the calculation methodology are pointed out.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
in
Proceedings of the 8th international probabilistic workshop
editor
P van Gelder, L Gucma and D Proske
pages
61 - 72
publisher
Akademia Morska
place of publication
Szczecin, Poland
conference name
8th International Probabilistic Workshop
conference location
Szczecin, Poland
conference start
2010-11-18
conference end
2010-11-19
ISBN
9788389901491
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1842897
handle
http://hdl.handle.net/1854/LU-1842897
alternative location
http://books.google.be/books?id=omaq7MtSvw0C&pg=PA277&lpg=PA277&dq=9788389901491&source=bl&ots=x_WiXU-DmA&sig=nOiih3kTSDvwLHzXceftvlNmpb4&hl=nl&ei=F_4vTvb_DcKc-wbPo4WKBA&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBcQ6AEwAA#v=onepage&q&f=false
date created
2011-06-28 09:25:38
date last changed
2017-01-02 09:53:05
@inproceedings{1842897,
  abstract     = {Although several studies are available with respect to the safety level op concrete structures, the behaviour of the safety level during fire is most often not considered. Nevertheless, a full-probabilistic methodology for calculating the safety level during fire is very useful for a quantitative comparison of design alternatives and for considering more detailed (or updated) information regarding material properties as well as geometrical properties into the design or verification process. In this paper, a computational tool is developed for calculating the time and temperature dependent reliability index of concrete slabs, taking into account time-dependent temperature profiles and temperature-dependent material properties. Monte Carlo simulations are used in order to quantify the stochastic nature of the diffent variables, resulting in a full-probabilistic calculation tool with sufficient flexibility to be applied for a wide range of practical applications. Firstly, the evolution of the bending moment capacity of a number of reference slabs is investigated and compared, taking into account the uncertainty on variables according to literature data and experimental test results. Secondly, the results of these full-probabilistic simulations are compared with the semi-probabilistic calculation methods as specified in EN 1992-1-2. The effectiveness of the general calculation method and the accuracy of the simplified calculation method described in this European standard are evaluated. Finally, some critical points of interest with respect to the calculation methodology are pointed out.},
  author       = {Van Coile, Ruben and Caspeele, Robby and Annerel, Emmanuel and Taerwe, Luc},
  booktitle    = {Proceedings of the 8th international probabilistic workshop},
  editor       = {van Gelder, P and Gucma, L and Proske, D},
  isbn         = {9788389901491},
  language     = {eng},
  location     = {Szczecin, Poland},
  pages        = {61--72},
  publisher    = {Akademia Morska},
  title        = {Assessment of the reduction of the safety level of concrete slabs during fire},
  url          = {http://books.google.be/books?id=omaq7MtSvw0C\&pg=PA277\&lpg=PA277\&dq=9788389901491\&source=bl\&ots=x\_WiXU-DmA\&sig=nOiih3kTSDvwLHzXceftvlNmpb4\&hl=nl\&ei=F\_4vTvb\_DcKc-wbPo4WKBA\&sa=X\&oi=book\_result\&ct=result\&resnum=1\&ved=0CBcQ6AEwAA\#v=onepage\&q\&f=false},
  year         = {2010},
}

Chicago
Van Coile, Ruben, Robby Caspeele, Emmanuel Annerel, and Luc Taerwe. 2010. “Assessment of the Reduction of the Safety Level of Concrete Slabs During Fire.” In Proceedings of the 8th International Probabilistic Workshop, ed. P van Gelder, L Gucma, and D Proske, 61–72. Szczecin, Poland: Akademia Morska.
APA
Van Coile, R., Caspeele, R., Annerel, E., & Taerwe, L. (2010). Assessment of the reduction of the safety level of concrete slabs during fire. In P. van Gelder, L. Gucma, & D. Proske (Eds.), Proceedings of the 8th international probabilistic workshop (pp. 61–72). Presented at the 8th International Probabilistic Workshop, Szczecin, Poland: Akademia Morska.
Vancouver
1.
Van Coile R, Caspeele R, Annerel E, Taerwe L. Assessment of the reduction of the safety level of concrete slabs during fire. In: van Gelder P, Gucma L, Proske D, editors. Proceedings of the 8th international probabilistic workshop. Szczecin, Poland: Akademia Morska; 2010. p. 61–72.
MLA
Van Coile, Ruben, Robby Caspeele, Emmanuel Annerel, et al. “Assessment of the Reduction of the Safety Level of Concrete Slabs During Fire.” Proceedings of the 8th International Probabilistic Workshop. Ed. P van Gelder, L Gucma, & D Proske. Szczecin, Poland: Akademia Morska, 2010. 61–72. Print.