Building monitoring in Bishkek and Dushanbe by the use of ambient vibration analysis

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Bojana Petrovic
Dino Bindi
Marco Pilz
Matteo Serio
Sagynbek Orunbaev
Jafar Niyazov
Farhad Hakimov
Pulat Yasunov
Ulugbek T. Begaliev
Stefano Parolai

Abstract

Within the framework of the EMCA - Earthquake Model Central Asia - project, the cities of Bishkek (Kyrgyzstan) and Dushanbe (Tajikistan) were selected for building monitoring using measurements of seismic noise to obtain the dynamical properties of the buildings. Eight buildings of different construction types, date of construction and building height, both, Soviet-era and recently constructed buildings, were instrumented for a period of a few hours. In this study, an overview of the experiment is given, including a short description of each monitored building’s structure and the performed installation. Preliminary results for a representative Soviet-era residential building in Dushanbe are presented. Modal analysis is performed using the Frequency Domain Decomposition (FDD) method to estimate the natural frequencies and the mode shapes. The wave propagation velocities in the two directions along the building axes are determined by an interferometric approach. Although the experimental set-up was not the optimal, valuable information about the dynamical characteristics of the buildings were still obtained.

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How to Cite
1.
Petrovic B, Bindi D, Pilz M, Serio M, Orunbaev S, Niyazov J, Hakimov F, Yasunov P, Begaliev UT, Parolai S. Building monitoring in Bishkek and Dushanbe by the use of ambient vibration analysis. Ann. Geophys. [Internet]. 2015Apr.24 [cited 2021Oct.20];58(1). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6679
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SPECIAL ISSUE

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