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- W4382005123 abstract "Introduction. The author considers designs of triangular trusses that can be used to design roofs of industrial and public buildings, various combined systems, and also as overpass structures of linear facilities. The design of a spatial truss as part of a patent pending development of a triangular truss cover with non-cutting closed-section chords is presented. The purpose of numerical studies is to estimate the stress-strain state (SSS) of a spanning triangular truss subjected to static nodal load and different arrangement of strut elements as well as to create a verification database for further numerical studies of non-faceted interface nodes. Materials and methods. The numerical research methodology takes into account the application of nodal static loads, modelling the placement of the enclosing structure of the pavement using purlins. The use of the unit load method is aimed at determining the response of the load-bearing system as part of a comparative evaluation and comparison with the data obtained from other research tasks. Results. In the course of numerical studies, data were obtained, characterising the deflected mode of the triangular truss model in terms of force distribution in the rods and vertical displacements of the nodes. Conclusions. Analysis of the obtained results shows that the accepted design model of a triangular truss adequately reflects its deflected mode. Practical application of the numerical research technique on the basis of application of unit nodal loads consists in the possibility of using calculation results in the form of a structured data set required in calculations by the limit states method. The results obtained can be used as a basis for verification of data obtained in further numerical studies of non-faceted node constructions within the framework of the lamellar mathematical model. The presented numerical studies are part of the complex of scientific research into the actual performance of spanning triangular trusses." @default.
- W4382005123 created "2023-06-26" @default.
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- W4382005123 date "2023-03-30" @default.
- W4382005123 modified "2023-09-23" @default.
- W4382005123 title "Stress-strain state of a triangular truss with uncut chords of a five-sided composite profile" @default.
- W4382005123 doi "https://doi.org/10.22227/2305-5502.2023.1.4" @default.
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