2021•STRUCTURAL MECHANICS AND ANALYSIS OF CONSTRUCTIONSRequires access
DEDETERMINATION OF THE LOGARITHMIC DECREMENT OF NATURAL VIBRATIONS OF BUILDINGS AND STRUCTURESTERMINATION OF THE LOGARITHMIC DECREMENT OF NATURAL VIBRATIONS OF BUILDINGS AND STRUCTURES
FSBI VNII GOCHS (FT), А.М. Савинов, Г.М. Нигметов, FSBI VNII GOCHS (FT), S.D. Kovaleva, FSBI VNII GOCHS (FT);, Temir G. Nigmetov, FSBI VNII GOCHS (FT);
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Abstract
Abstract. For the passport of buildings and structures, it is required to determine the logarithmic damping decrement. The proposed expressions [1, 2] to determine the decrement use the value of the Q-factor, however, an expression is known in which the damping decrement is determined through the logarithm of the ratio of the amplitudes of the damped signal. Comparison of the formulas for calculating the logarithmic decrement of vibrations was carried out using the example of data obtained when testing a beam with reinforcement.