VIBROACOUSTIC PROCESSES MODELING IN THE TURBOJET ENGINE AND OTHER POWER PLANT UNITS BASED ON FREQUENCY CHARACTERISTICS INVESTIGATION OF THE “ENGINE-MOUNTING-AIRFRAME” SYSTEM

2010 ◽  
Vol 41 (1) ◽  
pp. 109-118 ◽  
Author(s):  
V. S. Baklanov
Author(s):  
Yuliya Semenova

The article examines the influence of the peculiarities of local soil conditions on the manifestations of earthquakes on the free surface on the example of the territory of the Kanevskaya pumped storage power plant. The study area was divided into 2 engineering-geological sites with the expected different seismic effect. A comparison is made of the frequency characteristics of the soil of both plots and the maximum values of the amplitude Fourier spectra on the free surface, obtained as envelopes of the Fourier spectra calculated for 26 input seismic motions. The change with the depth of peak shear strain in soil sections of both sites is also considered.


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