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ADVANTAGES OF NIEMFE METHOD IN GEOLOGICAL STATE MONITORING WHEN SOLVING APPLIED ENGINEERING PROBLEMS

ADVANTAGES OF NIEMFE METHOD IN GEOLOGICAL STATE MONITORING WHEN SOLVING APPLIED ENGINEERING PROBLEMS

Abstract

Problem Statement and Purpose Finding effective methods for monitoring the state of engineering structures and geological conditions in their localization is an extreme­ly urgent issue today. The method of natural impulse electromagnetic field of the Earth (NIEMFE) is widely used for the solution of applied engineering-ecological, geological, geophysical and hydrogeological problems. The purpose of this work is to study the dynamics and the geological environment forecasting in conditions of increasing man-made load and prove the effectiveness of NIEMFE method in solving problems related to the violation of the engineering facilities operating conditions.Data & Methods Data from field observations conducted by employees of the De­partment of Geotechnogenic Safety and Geoinformatics of Ivano-Frankivsk National University of Oil and Gas were used to build the initial models. In particular, measure­ments by the NIEMFE method were performed on the territory of the school in the vil­lage Yunashkiv in the Rohatyn district and on the territory of the university building.Results The efficiency of using the NIEMFE method for solving geological engineer­ing problems is confirmed by the example of two diverse objects. The observations results obtained during the rocks stress-strain state study in the Yunashkiv village school in the Rogatyn district are considered. The NIEMFE method measurements allowed us to establish the stress-strain zones of the study area, which are related to the karst processes development. The analysis of the anomalies distribution and their intensities show that the territory is not stable and one should expect further karst manifestations and earth's surface and building deformation. The monitoring obser­vation results by the NIEMFE method are presented in order to track the dynamics of the change in the the IFNTUOG building state. The reason for the building damage, namely the design on the ancient river bed site, which led to the rocks strength loss due to the suffusion processes and the decomposition of the clay rocks underlying the foundation was identified. The influence of significant rainfall on the stress-strain state change of the studied territory was confirmed. It is proved that the NIEMFE method is a promising method for studying the rock mass stress-strain state in terms of determining the engineering structures stability and providing the deformation pro­cesses forecast.

На сьогоднішній день все більш актуальним є питання пошуку ефективних ме­тодів моніторингу стану інженерних споруд та геологічних умов у місцях їх локалізації. Для вирішення прикладних інженерно-екологічних, геолого-геофі­зичних та гідрогеологічних задач широке застосування знаходить метод при­родного імпульсного електромагнітного поля Землі (ПІЕМПЗ). У представленій роботі наведено широкий огляд та виконано аналіз проведених раніше робіт, пов’язаних із застосуванням методу ПІЕМПЗ для вивчення стану геологічного середовища. Охарактеризовано основні риси методу ПІЕМПЗ та коротко пред­ставлено фізичні передумови виникнення імпульсного електромагнітного ви­промінювання у товщі гірських порід. На прикладі двох різнопланових об’єктів підтверджено ефективність використання методу ПІЕМПЗ для вирішення задач інженерно-геологічного характеру.

На сегодняшний день все более актуальным является вопрос поиска эффектив­ных методов мониторинга состояния инженерных сооружений и геологических условий в местах их локализации. Для решения прикладных инженерно-эколо­гических, геолого-геофизических и гидрогеологических задач широкое приме­нение находит метод естественного импульсного электромагнитного поля Зем­ли (ЕИЭМПЗ). В представленной работе приведен широкий обзор и выполнен анализ проведенных ранее работ, связанных с применением метода ЕИЭМПЗ для изучения состояния геологической среды. Охарактеризованы основные особенности метода ЕИЭМПЗ и кратко представлены физические предпосыл­ки возникновения импульсного электромагнитного излучения в массиве горных пород.

Keywords

the NIEMFE method; geological conditions; stress-strain state; karst pro­cesses, метод ПІЕМПЗ; геологічне середовище; напружено-деформований стан; карстові процеси, метод ЕИЭМПЗ; геологическая среда; напряженно-деформированное состояние; карстовые процессы

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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