Simplified analytical method for the robustness assessment of precast reinforced concrete structural systems

Viktar Tur; Andrei Tur; Aliaksandr Lizahub

doi:10.35784/bud-arch.2774

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Published: Dec 29, 2021

DOI: https://doi.org/10.35784/bud-arch.2774

Issue Vol. 20 No. 4 (2021)

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Simplified analytical method for the robustness assessment of precast reinforced concrete structural systems
Viktar Tur, Andrei Tur, Aliaksandr Lizahub

093-114

DOI

https://doi.org/10.35784/bud-arch.2774

Authors

Viktar Tur

v.tur@pb.edu.pl

Department of Building Structures; Faculty of Civil Engineering and Environmental Sciences; Bialystok University of Technology;, Belarus

https://orcid.org/0000-0001-6046-1974

Andrei Tur

aturphd@gmail.com

Department of Building Structures; Faculty of Civil Engineering; Brest State Technical University;, Belarus

https://orcid.org/0000-0002-9744-9044

Aliaksandr Lizahub

p_332_14lizogub@mail.ru

Department of Building Structures; Faculty of Civil Engineering; Brest State Technical University;, Belarus

https://orcid.org/0000-0002-8896-0246

Abstract

The article presents the simplified implementation of alternative load path method based on the energy balance approach. This method should be used to check the global resistance of a damaged structural system after the occurrence of an accidental event. Basic assumptions of simplified analytical models for modelling resistance of horizontal ties in a damaged structural system, taking into account the membrane (chain) effects, were presented. An approach to modelling the dynamic resistance of a damaged structural system based on the energy balance method is described. Calculated dependencies for checking the robustness of a prefabricated multi-storey building with hollow-core slabs after the loss of the central column are proposed and considered using an example. On the considered example, a comparison of the required tie sections area with the dynamic resistance designed using the energy balance method (EBM) and according to the current standards, and a statistical assessment of the reliability of the load-bearing capacity models are carried out. In the end, a brief algorithm for the simplified calculation of the dynamic resistance of a damaged structural system is proposed.

Keywords:

robustness, dynamic resistance, ties, energy balance method, membrane effect

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Tur, V., Tur, A. and Lizahub, A. (2021) “Simplified analytical method for the robustness assessment of precast reinforced concrete structural systems”, Budownictwo i Architektura, 20(4), pp. 093–114. doi: 10.35784/bud-arch.2774.

Simplified analytical method for the robustness assessment of precast reinforced concrete structural systems

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