Analytical and Numerical Reliability Analysis of the Pratt Steel Truss

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dc.contributor.authorKamiński, M.
dc.contributor.authorBłoński, R.
dc.date.accessioned2021-11-24T09:08:05Z
dc.date.available2021-11-24T09:08:05Z
dc.date.issued2021
dc.description.abstractThe main aim of this paper was to investigate a variation of the reliability index β for some steel truss girder depending with respect to its length and to check the differences in numerical results obtained with the use of numerical and analytical probabilistic calculations. Some small Pratt truss, which includes vertical members and diagonals that slope down towards its centre was selected to make such a comparison. The span of this truss has been adopted as the Gaussian input variable in this study, which is motivated by in situ observations and measurements statistics as well as by its nonlinear impact on the Serviceability Limit State. The basic probabilistic characteristics of the structural response have been determined using the 10th-order Iterative Generalized Stochastic Perturbation Method and using Monte-Carlo Simulation also. The very important aspects in this work are (i) a contrast of analytical and numerical results and (ii) stochastic analysis of the load capacity in this truss joints, i.e. the stresses in the welds. Numerical results presented here have been obtained by the Finite Element Method system Robot Structural Analysis Professional 2021 and also via symbolic computer algebra environment MAPLE.en_EN
dc.identifier.citationKamiński M., Błoński R., Analytical and Numerical Reliability Analysis of the Pratt Steel Truss. W: XXVII LSCE 2021 : Lightweight Structures in Civil Engineering. Contemporary problems. Book of Abstracts, Szafran J. (Ed.), Kamiński M. (Ed.), Wydawnictwo Politechniki Łódzkiej, Łódź 2021, s. 69-72, ISBN 978-83-66741-15-7.
dc.identifier.isbn978-83-66741-15-7
dc.identifier.urihttp://hdl.handle.net/11652/4106
dc.language.isoenen_EN
dc.page.numbers. 69-72
dc.publisherWydawnictwo Politechniki Łódzkiejpl_PL
dc.publisherLodz University of Technology Pressen_EN
dc.relation.ispartofSzafran J. (Ed.), Kamiński M. (Ed.)., XXVII LSCE 2021 : Lightweight Structures in Civil Engineering. Contemporary problems. Book of Abstracts, Wydawnictwo Politechniki Łódzkiej, Łódź 2021, ISBN 978-83-66741-15-7, DOI 10.34658/9788366741157.
dc.rightsFair use conditionen_EN
dc.rightsDla wszystkich w zakresie dozwolonego użytkupl_PL
dc.rights.licenseLUT Licenseen_EN
dc.rights.licenseLicencja PŁpl_PL
dc.subjectreliability indexen_EN
dc.subjectstochastic perturbation methoden_EN
dc.subjectMonte-Carlo simulationen_EN
dc.subjectfinite element methoden_EN
dc.subjecttruss girderen_EN
dc.subjectdeflectionen_EN
dc.subjectwskaźnik niezawodnościpl_PL
dc.subjectmetoda perturbacji stochastycznychpl_PL
dc.subjectsymulacja Monte-Carlopl_PL
dc.subjectmetoda elementów skończonychpl_PL
dc.subjectdźwigar kratownicowypl_PL
dc.subjectugięciepl_PL
dc.titleAnalytical and Numerical Reliability Analysis of the Pratt Steel Trussen_EN
dc.typeAbstracten_EN
dc.typeAbstraktpl_PL

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