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Title: Probabilistic models for mechanical properties of prestressing strands
Author: Jacinto, Luciano
Pipa, Manuel
Neves, Luis A. C.
Santos, Luis Oliveira
Keywords: Prestressing strands
Probabilistic models
Tensile strength
Bayesian Statistics
Issue Date: Nov-2012
Publisher: Elsevier
Abstract: This study focus on the probabilistic modelling of mechanical properties of prestressing strands based on data collected from tensile tests carried out in Laboratório Nacional de Engenharia Civil (LNEC), Portugal, for certification purposes, and covers a period of about 9 years of production. The strands studied were produced by six manufacturers from four countries, namely Portugal, Spain, Italy and Thailand. Variability of the most important mechanicalproperties is examined and the results are compared with the recommendations of the ProbabilisticModel Code, as well as the Eurocodes and earlier studies. The obtained results show a very low variability which, of course, benefits structural safety. Based on those results, probabilistic modelsfor the most important mechanical properties of prestressing strands are proposed.
Peer review: yes
ISSN: 0950-0618
Appears in Collections:FCT: DEC - Artigos em revista internacional com arbitragem científica

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