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Deformation of reinforced concrete frames of multi-storey buildings in extreme conditions under special influences
- Authors: Kolchunov V.I.1,2, Bushova O.B.1
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Affiliations:
- Moscow State University of Civil Engineering (National Research University)
- Southwest State University
- Issue: Vol 18, No 4 (2022)
- Pages: 297-306
- Section: Analysis and design of building structures
- URL: https://journals.rudn.ru/structural-mechanics/article/view/32740
- DOI: https://doi.org/10.22363/1815-5235-2022-18-4-297-306
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Abstract
In order to increase plasticity during destruction along inclined sections and to protect against progressive collapse of reinforced concrete frames of multi-storey buildings, a variant of cross reinforcement of crossbars in such frames is proposed. The results of a numerical study of the reinforced concrete frame of a multi-storey building with a special impact in the form of an extraordinary hypothetical removal from the work of one of the columns are presented. The modeling of the deformation of the frame is carried out in three versions: the frame of the entire building in the rod setting, a fragment of the building in the column removal zone and a fragment of crossbars adjacent to the column being removed using volumetric finite elements. The obtained results showed the effectiveness of the proposed variant of cross-reinforcement of crossbars to protect a multi-storey frame building from progressive collapse, as well as the effectiveness of using the proposed variant of three-level models for calculating the parameters of static-dynamic deformation of the carcasses of multi-storey buildings under the considered special impacts.
About the authors
Vitaly I. Kolchunov
Moscow State University of Civil Engineering (National Research University); Southwest State University
Email: asiorel@mail.ru
ORCID iD: 0000-0001-5290-3429
Doctor of Technical Sciences, Professor, Full Member of the Russian Academy of Architecture and Construction Sciences, Head of the Department of Unique Buildings and Structures, Faculty of Construction and Architecture, Southwest State University; Professor of the Department of Reinforced Concrete and Stone Structures, Moscow State University of Civil Engineering (National Research University)
94 50 Let Oktyabrya St, Kursk, 305040, Russian Federation; 26 Yaroslavskoye Shosse, Moscow, 129337, Russian FederationOlesya B. Bushova
Moscow State University of Civil Engineering (National Research University)
Author for correspondence.
Email: bushova96@mail.ru
ORCID iD: 0000-0001-8748-5933
postgraduate student, Department of Reinforced Concrete and Stone Structures
26 Yaroslavskoye Shosse, Moscow, 129337, Russian FederationReferences
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