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Title: ANALYSIS OF THIN-WALLED BEAM ON ELASTIC FOUNDATION
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ANALYSIS OF THIN-WALLED BEAM ON ELASTIC FOUNDATION
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1314-2704
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English
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20
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1.1
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The paper deals with an analysis of an endless thin-walled beam on an elastic subsoil. Winkler's subsoil model has been used for modeling the subsoil. The analysis is presented in an analytical form for beams of infinite length. The analytical solution includes the analysis of both bending and torsion of the beam. In the solution of the bending of the beam, the effects of shear forces have been taken into account. For torsion analysis, an open cross-section has been considered, including the effect of cross-sectional warping. At the end of the paper, the solution to the example of an endless beam of open U-shaped cross-section has been presented. The beam is loaded by an eccentrically acting linear continuous load. The figures show the deformations and internal forces in the analyzed beam. The analytical solution of the beam structure is compared with the solution using FEM. For modeling the structure using FEM, the quadrilateral shell finite elements with 6 degrees of freedom in a node have been used. The elastic subsoil is taken into account in the supplementary stiffness matrix, which is added to those stiffness matrices of the structure that are in contact with the subsoil. The last part presents the results of the analysis of the beam, which is modeled using FEM and loaded with an identical load. In the end, the achieved results have been evaluated.
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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411-418
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18 - 24 August, 2020
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website
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cdrom
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6768
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thin-walled beam; elastic foundation; FEM
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