Generalized Ayrton-Perry approach for the evaluation of beam-column resistance
Abstract eng: Codification of design rules introduced in steel Eurocodes for the resistance verification of isolated columns and beams is based on the Ayrton-Perry formulation of a geometrically imperfect element with the crookedness being represented by the buckling mode of the lowest eigenvalue and by its amplitude that in EN 1993-1-1:2005 is postulated to be of an equivalent value in order to account not only for geometric imperfections but also for material imperfections that are not explicitly taken care of in the computational model adopted. Columns and beams represent two extreme cases of beam-columns. The Eurocode’s verification criteria for nonzero values of both the axial compressive force and the bending moments are based on simplified interpolation formulas that are linear combinations of the utilization ratio components together with interaction factors accounting for the problem nonlinearity. In this paper, a generalized Ayrton-Perry analytical model for the beam-columns resistance is developed for establishing design criteria in line with Eurocode’s approach to the verification of the column resistance and the beam resistance.
Contributors:
Publisher:
Taylor and Francis Group, London, UK
Conference Title:
Conference Title:
Sixth International Conference on Structural Engineering, Mechanics and Computation
Conference Venue:
Cape Town, South Africa
Conference Dates:
2016-09-05 / 2016-09-07
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.
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Record created 2016-09-20, last modified 2016-09-20
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