Modular trihedral trusses with pliable mounting junctions

Steel trihedral trusses are used as flat roofs of public and industrial buildings and structures. A modular system can be used to transport the structures of trihedral trusses. The paper presents the results of numerical studies of modular trihedral trusses for flat roofs of buildings with transvers...

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Bibliographic Details
Main Author: Melyokhin, Evgeniy
Format: Conference Proceeding
Language:English
Subjects:
Butt joints
Cargo transportation
Comparative analysis
Deformation
Flat roofs
Formability
Industrial buildings
Mass production
Mathematical analysis
Mathematical models
Modular structures
Modular systems
Modules
Numerical analysis
Struts
Trusses
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Summary:Steel trihedral trusses are used as flat roofs of public and industrial buildings and structures. A modular system can be used to transport the structures of trihedral trusses. The paper presents the results of numerical studies of modular trihedral trusses for flat roofs of buildings with transversal partitioning into dispatch modules. Application of modular system for trihedral trusses is aimed at mass production with widespread delivery by various cargo transport. Numerical studies based on the computational mathematical model of a space-core truss allows to estimate deformability of a trihedral truss with pliable mounting junctions of adjacent modules for various forms of loading. We describe peculiarities of constructing variative computational models which take into account the peculiarities of structures with noncentered connection junctions of struts from single corners to the chords of a composite profile made of channel’s and corner’s rolled elements. The most stressed elements of the spatial and strut system of trihedral trusses with butt joint adjacency of struts to chords are determined. Results are presented in a table for comparative analysis of deformability for various calculation models. According to the comparative analysis of deformability of mathematical calculation models for trihedral roof trusses, the use of pliable mounting junctions of module coupling has been substantiated.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0103494