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Elevated temperature mechanical properties of solid section structural steel

Construction and Building Materials, 15 September 2017, Vol.149, pp.186-201 [Peer Reviewed Journal]

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  • Title:
    Elevated temperature mechanical properties of solid section structural steel
  • Author: Neuenschwander, Martin ; Knobloch, Markus ; Fontana, Mario
  • Found In: Construction and Building Materials, 15 September 2017, Vol.149, pp.186-201 [Peer Reviewed Journal]
  • Subjects: Solid Section Structural Steel ; Elevated Temperature ; Mechanical Properties ; Constitutive Behaviour ; Dynamic Strain Ageing ; Structural Fire Engineering ; Composite Columns ; Engineering
  • Language: English
  • Description: In structural fire design thick solid steel sections are often used for steel columns without fire protection or more recently in innovative composite column systems as for example concrete-filled steel tube columns with solid steel core. The data in the literature on the mechanical properties of commercially available solid section mild carbon steel used in structural fire engineering is scarce and limited to investigations at ambient temperature, showing high inhomogeneity in the yield strength between peripheral and core material, especially in the as hot-rolled condition. This paper presents the results of an extensive series of closed-loop strain-rate controlled tensile tests, performed at elevated temperatures of 400, 475, 550, 626, 700 and 900 °C under steady-state conditions and at ambient temperature with coupon specimens of core and peripheral material of commercially available mild carbon steel from round solid sections of various diameters. The resulting...
  • Identifier: ISSN: 0950-0618 ; E-ISSN: 1879-0526 ; DOI: 10.1016/j.conbuildmat.2017.05.124

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