Survivability of reinforced concrete frames of multi-storey buildings with complex stress elements
- Authors: Kolchunov V.I.1,2, Moskovtseva V.S.1
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Affiliations:
- Southwest State University
- Russian Academy of Architecture and Construction Sciences
- Issue: Vol 18, No 3 (2022)
- Pages: 195-203
- Section: Analysis and design of building structures
- URL: https://journals.rudn.ru/structural-mechanics/article/view/32020
- DOI: https://doi.org/10.22363/1815-5235-2022-18-3-195-203
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Abstract
Experimental determination of the parameters of the force resistance of reinforced concrete structures aimed at protecting them from emergency beyond design impacts is an important direction in improving the safety of buildings and structures. In this connection, the purpose of the study was an experimental assessment of the deformation parameters in the complexly stressed elements of reinforced concrete frames under special impact in the form of a sudden column removal. Experimental studies were carried out for two frames, one of which was tested when removing the middle column, the second - when removing the extreme. Experimental two-span structures of reinforced concrete frames are designed with three floors in height, reinforcement was made with spatial reinforcing cages that provide resistance to torsion with bending. The results of experimental and theoretical studies of reinforced concrete frame structures under special influences and an assessment of displacements, cracking and destruction of the considered complex-stressed structural elements under such influences are presented. It is established that the type of stress state, the formation and width of crack opening significantly affect the dissipative properties of the structural system.
About the authors
Vitaly I. Kolchunov
Southwest State University; Russian Academy of Architecture and Construction Sciences
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
94 50 let Oktyabrya St, Kursk, 305040, Russian FederationVioletta S. Moskovtseva
Southwest State University
Author for correspondence.
Email: lyavetka1@mail.ru
ORCID iD: 0000-0002-5509-1937
engineer of the Department of Unique Buildings and Structures
94 50 let Oktyabrya St, Kursk, 305040, Russian FederationReferences
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