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THEORETICAL CALCULATIONS AND EXPERIMENTAL APPLICATION OF THE ELECTRICAL SOUNDINGS WITH THE CONDUCTIVE COMBINED AMN + NMA ARRAY

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В статье приводятся результаты теоретических и экспериментальных исследований электрических зондирований с новой комбинированной установкой AMNNMA. Математическое моделирование проводилось над горизонтально-слоистой средой и средой с включением шара в сравнении с известными установками Шлюмберже и Веннера (AMNB). Расчеты показали, что новая методика измерений имеет преимущества над широко применяемыми методами: при одинаковом положении крайних электродов глубина проникновения тока больше в комбинированной установке более четкое оконтуривание геоэлектрической неоднородности. Методику зондирований с комбинированной установкой применили при изучении грунтовой плотины. Экспериментальные кривые зондирований выходят на асимптоту нижнего слоя при меньших разносах, чем в установке AMNB, что улучшает результаты инверсии. The results of the theoretical and experimental studies of the electrical soundings with new combined AMN NMA array are presented. The Mathematical modeling was carried out over the horizontally layered medium and the medium with inclusion in the form of a sphere in comparison with the well-known Schlumberger and Wenner arrays (AMNB). The calculations showed that the new measurement technique has advantages over widely used methods: with the same position of the extreme electrodes, the current penetration depth is greater in the combined installation clearer contouring of the geoelectric heterogeneity. The sounding technique with the combined array was used in the study of the soil dam. The experimental sounding curves reach the asymptote of the lower layer at smaller spacings than in the AMNB array, which improves the inversion results.
Y. P. Bulashevich Institute of Geophysics, Ural Branch of the Russian Academy of Sciences
Title: THEORETICAL CALCULATIONS AND EXPERIMENTAL APPLICATION OF THE ELECTRICAL SOUNDINGS WITH THE CONDUCTIVE COMBINED AMN + NMA ARRAY
Description:
В статье приводятся результаты теоретических и экспериментальных исследований электрических зондирований с новой комбинированной установкой AMNNMA.
Математическое моделирование проводилось над горизонтально-слоистой средой и средой с включением шара в сравнении с известными установками Шлюмберже и Веннера (AMNB).
Расчеты показали, что новая методика измерений имеет преимущества над широко применяемыми методами: при одинаковом положении крайних электродов глубина проникновения тока больше в комбинированной установке более четкое оконтуривание геоэлектрической неоднородности.
Методику зондирований с комбинированной установкой применили при изучении грунтовой плотины.
Экспериментальные кривые зондирований выходят на асимптоту нижнего слоя при меньших разносах, чем в установке AMNB, что улучшает результаты инверсии.
The results of the theoretical and experimental studies of the electrical soundings with new combined AMN NMA array are presented.
The Mathematical modeling was carried out over the horizontally layered medium and the medium with inclusion in the form of a sphere in comparison with the well-known Schlumberger and Wenner arrays (AMNB).
The calculations showed that the new measurement technique has advantages over widely used methods: with the same position of the extreme electrodes, the current penetration depth is greater in the combined installation clearer contouring of the geoelectric heterogeneity.
The sounding technique with the combined array was used in the study of the soil dam.
The experimental sounding curves reach the asymptote of the lower layer at smaller spacings than in the AMNB array, which improves the inversion results.

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