Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/5048
Título: Probabilistic models for mechanical properties of prestressing strands
Autor: Jacinto, Luciano
Pipa, Manuel
Neves, Luís C.
Santos, Luís Oliveira
Palavras-chave: Prestressing Strands
Probabilistic Models
nsile Strength
Modulus of Elasticity
Bayesian Statistics
Tensile Strength
0.1% Proof Stress
Data: Nov-2012
Editora: Elsevier SCI LTD
Citação: JACINTO, Luciano; PIPA, Manuel; NEVES, Luís C.; SANTOS, Luís Oliveira - Probabilistic models for mechanical properties of prestressing strands. Construction and Building Materials. ISSN: 0950-0618. Vol. 36 (2012), pp. 84-89
Resumo: 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 mechanical properties is examined and the results are compared with the recommendations of the Probabilistic Model 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 models for the most important mechanical properties of prestressing strands are proposed.
Peer review: yes
URI: http://hdl.handle.net/10400.21/5048
DOI: 10.1016/j.conbuildmat.2012.04.121
ISSN: 0950-0618
Aparece nas colecções:ISEL - Eng. Civil - Artigos



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