Metal Structures 2016 2016
DOI: 10.1201/b21417-26
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Global geometrical imperfections for refined analysis of lateral roof bracing systems

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Cited by 4 publications
(8 citation statements)
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“…2f. However, as demonstrated in [5], [6] the tension member initially bent generates the same imperfection force qd1 as the compression one. It is generally assumed that geometrical imperfections of tension members at the support zone (see Fig.…”
Section: Introductionmentioning
confidence: 82%
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“…2f. However, as demonstrated in [5], [6] the tension member initially bent generates the same imperfection force qd1 as the compression one. It is generally assumed that geometrical imperfections of tension members at the support zone (see Fig.…”
Section: Introductionmentioning
confidence: 82%
“…1e). As proven in [5], [6], [7] the formally save assumption N1(x) = const, may lead to the lowering of strains at both purlins and bracings. 2a-d) are calculated, the assumption N1(x) = const given in EN 1993-1-1 [1] is not adequate to the true non-uniform distribution of the axial force acting along the restrained member.…”
Section: Introductionmentioning
confidence: 99%
“…Przyjmując jednakowe siły pionowe PEd oraz paraboliczne wygięcie pasa górnego wg (4), poziome imperfekcyjne siły Hi,m w węźle i, od stężanych m kratownic, oblicza się ze wzoru [5], [7]:…”
Section: Analiza Parametryczna Wytężenia Płatwi I Stężeń Od Wygięcia unclassified
“…2f; występuje ściskanie i rozciąganie). Jak udowodniono w [5], [6], [7], [8], to pozornie bezpieczne założenie o stałej sile osiowej N1(x) = const, może prowadzić do zaniżenia oceny wytężenia płatwi oraz stężeń. Stanowi to zagrożenie bezpieczeństwa konstrukcji obliczonych na obciążenia imperfekcyjne qd,1 (1) oraz Rd,1 (2) wg PN-EN 1993-1-1 [1].…”
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