Prediction to nonlinear behavior of steel frames subjected to fire

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<title>Prediction to nonlinear behavior of steel frames subjected to fire</title>
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<namePart>Li, Guo-Qiang</namePart>
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<namePart>Jiang, Shou-Chao</namePart>
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<abstract>A new approach is presented for analysis of nonlinear behavior of steel frames subjected to fire. The material and geometrical nonlinearity as well as the non-uniform profile of temperature across section of frame members are taken into account. Thermal forces induced by temperature variation are also considered. The elasto-plastic stiffness equation of elements is established by using the generalized Clough model. The analysis of structures subjected to fire is converted to analysis of structures subjected to unbalanced forces induced by temperature increment. Then a procedure to calculate the nonlinear response and ultimate load of steel frames exposed to fire is proposed</abstract>
<note type="statement of responsibility">Guo-Qiang Li, Shou-Chao Jiang</note>
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<topic>Investigación sobre fuego</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080635374">
<topic>Comportamiento de los materiales frente al fuego</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080596507">
<topic>Estructuras de acero</topic>
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<topic>Estructuras metálicas</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080598747">
<topic>Resistencia al fuego</topic>
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<topic>Experimentos</topic>
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<title>Fire Safety Journal : the official journal of the International Association for Fire Safety Science</title>
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<publisher>Oxford : Elsevier Science</publisher>
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<part>
<text>Vol. 32, nº 4 June 1999 ; p. 347-368</text>
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