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Towards a reliability-based post-fire assessment method for concrete slabs incorporating data from inspection

Ruben Van Coile (UGent) , Robby Caspeele (UGent) and Luc Taerwe (UGent)
(2014) STRUCTURAL CONCRETE. 15(3). p.395-407
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Abstract
After a concrete structure has been exposed to fire, a combination of destructive and non-destructive testing, expert judgment and calculations is used to decide whether the structure should be demolished, can be repaired, or may be used without repair or rehabilitation. However, many uncertainties are associated with both the fire duration and the effect of elevated temperatures on the residual mechanical properties of the materials. Consequently, the maximum service load after fire exposure should be assessed based on reliability considerations in order to provide an adequate level of safety. As this type of calculations is too complex and time-consuming for normal use by practitioners, a reliability-based assessment tool has been developed for concrete structures and applied to slabs, which determines the maximum service load after fire. When using the proposed method, a safety level is targeted which is comparable to the safety level associated with the Eurocode format for the design of new structures. It is concluded that the proposed assessment method is both user-friendly and directly applicable for practitioners.
Keywords
fire, post-fire assessment, concrete slab, residual strength, safety level, FIRE RESISTANCE, TEMPERATURE, STRENGTH, COLUMNS, MODEL

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Citation

Please use this url to cite or link to this publication:

Chicago
Van Coile, Ruben, Robby Caspeele, and Luc Taerwe. 2014. “Towards a Reliability-based Post-fire Assessment Method for Concrete Slabs Incorporating Data from Inspection.” Structural Concrete 15 (3): 395–407.
APA
Van Coile, R., Caspeele, R., & Taerwe, L. (2014). Towards a reliability-based post-fire assessment method for concrete slabs incorporating data from inspection. STRUCTURAL CONCRETE, 15(3), 395–407.
Vancouver
1.
Van Coile R, Caspeele R, Taerwe L. Towards a reliability-based post-fire assessment method for concrete slabs incorporating data from inspection. STRUCTURAL CONCRETE. 2014;15(3):395–407.
MLA
Van Coile, Ruben, Robby Caspeele, and Luc Taerwe. “Towards a Reliability-based Post-fire Assessment Method for Concrete Slabs Incorporating Data from Inspection.” STRUCTURAL CONCRETE 15.3 (2014): 395–407. Print.
@article{4287971,
  abstract     = {After a concrete structure has been exposed to fire, a combination of destructive and non-destructive testing, expert judgment and calculations is used to decide whether the structure should be demolished, can be repaired, or may be used without repair or rehabilitation. However, many uncertainties are associated with both the fire duration and the effect of elevated temperatures on the residual mechanical properties of the materials. Consequently, the maximum service load after fire exposure should be assessed based on reliability considerations in order to provide an adequate level of safety. As this type of calculations is too complex and time-consuming for normal use by practitioners, a reliability-based assessment tool has been developed for concrete structures and applied to slabs, which determines the maximum service load after fire. When using the proposed method, a safety level is targeted which is comparable to the safety level associated with the Eurocode format for the design of new structures. It is concluded that the proposed assessment method is both user-friendly and directly applicable for practitioners.},
  author       = {Van Coile, Ruben and Caspeele, Robby and Taerwe, Luc},
  issn         = {1751-7648},
  journal      = {STRUCTURAL CONCRETE},
  language     = {eng},
  number       = {3},
  pages        = {395--407},
  title        = {Towards a reliability-based post-fire assessment method for concrete slabs incorporating data from inspection},
  url          = {http://dx.doi.org/10.1002/suco.201300084},
  volume       = {15},
  year         = {2014},
}

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