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Balanced summation model for the calculation of the buckling resistance of partially encased columns under fire: new improvements
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Resumo(s)
The fire resistance of partially encased columns (HEB and IPE) depends on the temperature evolution under fire. This paper aims to assess de effect of the balanced summation model into the design of the axial buckling load of partially encased columns under fire, according to EN 1994-1-2. New improvements will be proposed to evaluate the fire resistance, based on new simple formulas to determine the flange temperature, the residual height and temperature of the web, the residual cross section and temperature of concrete, the reduced stiffness and strength of reinforcement. The new proposal is based on the validation of a numerical simulation using ANSYS.
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Contexto Educativo
Citação
Calió, L.; Piloto, P.A.G.; Rigobello, R. (2017). Balanced summation model for the calculation of the buckling resistance of partially encased columns under fire: new improvement. In International Conference on “Research and Advanced Technology in Fire Safety”. Cantábria, Santander
Editora
GIDAI