Zinkevych O. Rational design of low-rise buildings and superstructures' framing from lightweight steel thin-wall constructions

Object of research - the stress- strain state (SSS) of frame buildings of light steel thin-walled structures (LSTC) with regard to their interaction with a low rigidity sheathing through spring stiffness fasteners. The aim of the thesis - development of scientific statements of low-rise buildings and superstructures' framing rational design, taking into account the interaction of framing's elements with a low rigidity sheathing through spring stiffness fasteners. Research methods: methods of thin-walled steel structures calculation theory, methods of numerical modeling, experimental investigation, in accordance with standard procedures. Theoretical and practical results: the methods of low-rise buildings and superstructures' framing rational design, taking into account the interaction of framing's elements with a low rigidity sheathing through spring stiffness fasteners was proposed, the results of studies used for low-rise buildings and superstructures' framing of LSTC development. Novelty of the research: developed understanding of the SSS features of low-rise buildings and superstructures' framing's elements made of steel thin-walled cold-formed C-section (obtained the further development); the dependences of compressed elements pitch length in a lower stiffness' plane and bending elements' compressed chord of LSTC framing from fasteners' spring stiffness were received (obtained the further development); set the main design parameters (stiffness and spacing of fasteners, stud spacing, shear wall dimensions' ratio) and dependences of their impact on shear wall's SSS were received (received for the first time); shear walls system's SSS in LSTC framing was investigated, taking into account the rigidity of all system's components, on the basis of investigation the method of lateral forces distribution estimation between shear walls was developed (obtained the further development). Implementation extent: results of studies used to develop proposals for house's superstructure on the str. Komsomol'ska, 52 in Dnipropetrovs'k, the reconstruction of the family holiday cottage in v. Pischane Crimea, in drafting the overhaul project of the main corps of the Dnipropetrovs'k regime prison, in drafting buildings' projects for "Staldom", Dnipropetrovs'k. Range of application: low-rise buildings and superstructures' framing projects development.