Open AccessEarthquake resistance analysis of structural systems of multi-storey civil buildings
Author(s) -
Zaurbek Abaev,
Абаев Заурбек Камболатович,
Marat Kodzaev,
Кодзаев Марат Юрьевич,
Aleksandr A. Bigulaev,
Бигулаев Александр Александрович
Publication year - 2020
Publication title -
stroitelʹnaâ mehanika inženernyh konstrukcij i sooruženij
Language(s) - English
Resource type - Journals
eISSN - 2587-8700
pISSN - 1815-5235
DOI - 10.22363/1815-5235-2020-16-1-76-82
Subject(s) - structural engineering , structural system , seismic hazard , frame (networking) , core (optical fiber) , seismic analysis , grid , span (engineering) , engineering , civil engineering , computer science , geology , geodesy , telecommunications
Relevance. Increasing the density of urban population requires the use of optimal structural systems of multi-storey civil buildings, however, despite a large number of studies on the rationality of their application, the question of choosing an assessment of seismic resistance of structural systems of multi-storey civil buildings is still open. The aim of the study. This study aims to determine advantages and disadvantages of structural systems of multi-storey buildings in seismic areas. Methods. The results of comparison analysis of five structural systems (columns grid - 6×6 m, storey height - 3 m, number of storeys - 20) are presented in this article. The structural systems are: frame & tube, frame & core, core & walls, framed core & walls, framed core & tube. The calculation were done according to Building Code 14.13330.2018 for an earthquake of 8 points intensity of MSK-64 intensity scale. The SCAD Office software package was used for modeling and analyzing. The sum of the effective modal masses taken in the calculation was at least 90% of the total mass of the system excited in the direction of the seismic action for horizontal impacts and at least 75% - for vertical impacts. Results. The comparison was carried out according to the following criteria: maximum displacements, maximum compressive and tensile stresses, maximum periods of natural oscillations, maximum accelerations.