Influence of Soil Conditions on the Dynamic Characteristics of Residential Construction


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The dynamic characteristics are examined of buildings constructed on soft soil in Ashkhabad. The frequency spectrum and damping are evaluated with respect to soil conditions. It is determined that for buildings up to 5 stories high, damping is strongly nonuniform. Modal first-mode damping is 3-4 times greater than for the rest. For high-rise buildings, modal damping values were close, which was the result of pivoting foundation vibrations and exposure to Rayleigh surface waves. Calculation programs that do not consider nonuniform damping are proposed to be used to assess damping in the first approximation.

作者简介

K. Vorob′eva

Petersburg State Transport University

Email: smfe@mail.ru
俄罗斯联邦, St. Petersburg

I. Il′yasov

Scientific-Research Institute of Earthquake-Proof Construction

Email: smfe@mail.ru
土库曼斯坦, Ashkhabad

G. Annaev

Scientific-Research Institute of Earthquake-Proof Construction

Email: smfe@mail.ru
土库曼斯坦, Ashkhabad

A. Uzdin

Petersburg State Transport University

Email: smfe@mail.ru
俄罗斯联邦, St. Petersburg

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