2012
DOI: 10.1016/j.engstruct.2012.04.022
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Simple calculation model for evaluating the fire resistance of unreinforced concrete filled tubular columns

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Cited by 59 publications
(71 citation statements)
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“…An extensive thermal parametric analysis, based on the one presented by the authors [8] in previous work, was carried out in order to generate data enough to obtain an accurate formulation by means of a nonlinear regression analysis. This parametric analysis covered section external diameters ranging from 139 to 508 mm combined with the minimum and maximum commercially available values of steel tube thicknesses for each case.…”
Section: Equations For Cross-sectional Temperature Fieldmentioning
confidence: 99%
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“…An extensive thermal parametric analysis, based on the one presented by the authors [8] in previous work, was carried out in order to generate data enough to obtain an accurate formulation by means of a nonlinear regression analysis. This parametric analysis covered section external diameters ranging from 139 to 508 mm combined with the minimum and maximum commercially available values of steel tube thicknesses for each case.…”
Section: Equations For Cross-sectional Temperature Fieldmentioning
confidence: 99%
“…Thus, researchers like Espinos et al [8] proposed an effective design procedure as a result of an extensive parametric study carried out by means of their validated three-dimensional model [2]. However, this method assumed an equivalent temperature for the concrete core so the cross-sectional temperature distribution was no explicitly calculated.…”
mentioning
confidence: 99%
“…The fire resistance of concrete filled tubular column has been the aim of many studies and there are several codes that include simple method for its calculation, which have been also under review to evaluate their range of applicability, as in the works of Espinos et al [39] or Mensinger et al [64].…”
Section: Connections At High Temperaturesmentioning
confidence: 99%
“…Figure 1.28 shows the cross-section divisions used in Lie's method [37] Figure 1.28. Arrangement of layers in the cross-section [37] A model for rectangular concrete filled tubular columns was also developed by the same author [38] Recently, several researches such as Espinos et al [39] and Leskela [40] have intended to simplify the calculation of temperatures in the CFT section. So, the temperature of the concrete is summarized in a unique equation that gives an equivalent value for the concrete temperature, and similarly, an equivalent value of temperature is derived for the steel.…”
Section: Heat Transfer Analysismentioning
confidence: 99%
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