Author： Kanishchev Ruslan
Publisher： Edp Sciences
E-ISSN： 2261-236x|73|issue|04017-04017
ISSN： 2261-236x
Source： MATEC Web of conference, Vol.73, Iss.issue, 2016-08, pp. : 04017-04017
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Abstract
The article deals with the theoretical analysis of the local stability of contemporary structures such as rectangular concrete-filled steel tubes (CFST)’s without imperfections. The work presents a numerical method for calculating the coefficient of critical stress by differential equation for slender walls of hollow and concrete filled closed right-angled profiles. The results of the method were compared with the modelled results of the construction elements in ABAQUS software. Based on this theoretical analysis, the direction of future research has been determined, which will focus on the impact of local stability on the cross-section of rectangular CFSTs in terms of their resistance.
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