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ANALYSIS OF THE COMBINED TRANSFER FUNCTIONS FOR GEOTECHNICAL CONTROL

Gleb Vasilyev

First published: 2018-06-20https://doi.org/10.5593/sgem2018/1.2/s02.006View metrics

Abstract

The article is devoted to development of the mathematical models of transfer functions in complex geotechnical monitoring in the "geological environment - foundation - building" system. It is assumed that the geodynamic objects, as well as the seasonal natural geodynamic variations occurring near the building, have a direct effect on its physics-mechanical properties (changes in the stress-strain state of the beams, subsidence of the basement, redistribution of loads, and change in natural frequencies). In this regard, it is proposed to develop a mathematical model that makes it possible to assess the influence of the dynamics of the geological environment parameters on the dynamics of the engineering facility parameters. The evaluation of the geodynamic parameters of the medium is based on an analysis of the transfer function of the geoelectric section. As methods of obtaining information, geoelectric methods are used, based on the use of a multi-pole electrical installation, as well as georadar survey data. As controllable parameters of the engineering structure are the angles of deviation from the vertical axis of the building, the amplitude-frequency characteristics of vibrations, and parameters of the mechanical stress of the bearing structures. Registration of the dynamics of the engineering facility parameters is carried out using accelerometric and strain gauge measuring methods.

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Publication details

Title
ANALYSIS OF THE COMBINED TRANSFER FUNCTIONS FOR GEOTECHNICAL CONTROL
Authors
Gleb Vasilyev
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Minining
Publisher
STEF92 Technology
Year
2018
Pages
43-50
SWS Citekey
Vasilyev201824350
ISSN
1314-2704
ISBN
978-619-7408-36-2
Language
en
Publication type
Conference Paper
Keywords
geotechnical controlgeological environmentcombined transfer functionsphysics-mechanical propertiesmathematical models
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