2007
DOI: 10.1590/s1678-58782007000100015
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On the behaviour of single-span steel beams under uniform heating

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Cited by 8 publications
(10 citation statements)
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“…For the bending moment, the decrease for high temperature agrees with results in [2]. But at low temperatures, the authors of [2] obtained an increase of this moment depending on the loading level.…”
Section: Case Of Constant Loadsupporting
confidence: 83%
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“…For the bending moment, the decrease for high temperature agrees with results in [2]. But at low temperatures, the authors of [2] obtained an increase of this moment depending on the loading level.…”
Section: Case Of Constant Loadsupporting
confidence: 83%
“…Solving the collapse problem can now be reduced to a comparison between the bending moment and the resistance moment in fire [2][3][4][5][6][7]. This is managed numerically by an algorithm which extracts the time corresponding to the condition M(t) ≥ M cr (t).…”
Section: Collapse Stressmentioning
confidence: 99%
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“…They posited that the first stage constitutes the initiation mechanism of failure, involving the yielding of members before the inelastic regime and the reduction of Young's modulus. Mourão and Silva [2] investigated the expansion of steel beams caused by uniformly elevated temperatures and illustrated that in an axially restrained beam, the end supports resist against thermal expansion. Wong [3] demonstrated that the strength of a steel beam at room temperature is acceptable for design regardless of the existence of axially restrained boundary conditions or otherwise.…”
Section: Introductionmentioning
confidence: 99%
“…To characterize the behaviors of steels such that a full utilization of their special feature can be executed, Chen and Young (2006) had proposed a stress-strain model that unifies the yield strength, elastic modulus, ultimate strength, and ultimate strain of steel at elevated temperatures for general use. Mourão and E Silva (2007) had pointed out that it is insufficient to rely only on the consideration of reduction in strength and modulus of steel structure in the thermal load environment analyses, even when the heat is uniformly distributed. They suggested that the behavior of the structures including the realistic boundary conditions at high temperatures is required under such condition, indicating the significance of design details for the elevated temperature loading resistance.…”
Section: Introductionmentioning
confidence: 99%