Журнал Российского общества по неразрушающему контролю и технической диагностике
The journal of the Russian society for non-destructive testing and technical diagnostic
 
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22 | 12 | 2024
2022, 10 October

DOI: 10.14489/td.2022.10.pp.024-032

Churkin А. А., Loseva E. S., Lozovsky I. N., Syasko V. A.
INCREASING THE RELIABILITY OF THE LOW STRAIN INTEGRITY TESTING OF PILES UNDER EXISTING STRUCTURES
(pp. 24-32)

Abstract. Inspection of piles located under the pile cap or an existing building is a common task in the practice of capital construction. The low strain impact testing allows us to estimate the pile length and the presence of defects in its body. This provides designers and builders with information on structures, which can be considered when planning the further operation of the foundation. Improving the reliability of test results for examining piles under cap is the issue of interest. On the example of field test results, the application of the multifrequency signal excitation during data collection and the wavelet analysis of signals during data processing are shown.

Keywords: pile testing, integrity testing, nondestructive testing, low strain impact testing, guided waves, data processing, wavelet analysis.

А. А. Churkin (NIIOSP named after N. M. Gersevanov JSC SIC “Construction”, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
E. S. Loseva (Saint Petersburg Mining University, Saint Petersburg, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
I. N. Lozovsky (Geoelectromagnetic Research Center, Branch of the Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences (GEMRC IPE RAS), Troitsk, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
V. A. Syasko (Saint Petersburg Mining University, Saint Petersburg, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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