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Thermal restraint and fire resistance of columns
Neves, I. Cabrita; Valente, J. C.; Rodrigues, J. P. CorreiaA proposal is made, based on the results of a series of tests and calculations, with the aim of being used as a simple method to correct the value of the critical temperature of steel columns free to elongate, in order to take into account the restraint effect of the structure to which they belong in a practical situation. To better illustrate the possible types of behaviour of heated steel columns with elastic...
Experimental research on the critical temperature of compressed steel elements ...
Rodrigues, J. P. Correia; Neves, I. Cabrita; Valente, J. C.In real structures, the loading conditions of steel elements subjected to the action of a localized fire change with time, if their axial elongation is restrained. The mechanical action on these elements has a major influence on their deformation, which in turn influences the magnitude of the interaction forces between the heated elements and the cold structure. The stiffness of the structure to which compresse...
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