Analisys of structural efficiency of Vierendeel beam
DOI:
https://doi.org/10.3989/ic.2003.v54.i483.573Abstract
This article approaches the analysis of the structural efficiency of the Vierendel beams. This assessment involves two variables: one relates to the strength-efficiency and the other one to the global efficiency. (The global efficiency fakes also into account the bending stiffness f the beam). The results shown reflect the analysis and dimensioning of over 400 beams, where a series of five different modulations combined with seven different beam depths have been used. The case study finishes using two types of profiles (hollow and open section) and comparing the structural behaviour between beams and trusses. The graphs shown are a very useful tool in order to assess the effect of these beams' design parameters on their structural efficiency. The most important result of the case study is the fact that using high beam depths in un optimized dimensioning involves a decrease of the efficiency This criteria differs from the criteria for latticed structures.
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