EM - Escola de Minas

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Ultimate load of steel storage systems uprights.
(2018) Elias, Guilherme Cássio; Neiva, Luiz Henrique de Almeida; Sarmanho, Arlene Maria Cunha; Alves, Vinicius Nicchio; Castro, Ana Flávia Barbosa e
This study presents an experimental investigation into the behavior of steel storage rack perforated uprights under axial compression. A total of 44 prototypes comprising eleven cross-sections and four lengths were tested, and a buckling curve of the studied uprights is proposed. The focus of the study is to compare the ultimate loads of the experimental uprights by numerical and theoretical analysis, through modifications to the direct strength method (DSM) equations, using the Brazilian and European design codes. The theoretical values obtained are smaller than the experimental ones, and the interaction of distortional and global buckling is also discussed. The ultimate loads obtained with the proposed buckling curve were less conservative than the DSM equations.