High-density electrical method for cavity exploration in a certain area of Guangxi
Release time:
2024-05-25
According to the local geological data, the upper stratum of the area is mainly Quaternary loess with a thickness of about 20~30m, and the lower stratum is silty sandstone and fine sandstone, and the groundwater level is greater than 30m. It is inferred that the resistivity of the normal soil layer varies between 10~100 Ω · m. Therefore, the development of the area of the water hole and soil fissures should be mainly filled with air, in the electrical performance because of the high resistance, the resistivity of more than 1000 Ω · m, and the surrounding rock there is a significant difference in conductivity, in line with the application of high density electrical method.
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According to the local geological data, the upper stratum of the area is mainly Quaternary loess with a thickness of about 20~30m, and the lower stratum is silty sandstone and fine sandstone, and the groundwater level is greater than 30m. It is inferred that the resistivity of the normal soil layer varies between 10~100 Ω · m. Therefore, the development of the area of the water hole and soil fissures should be mainly filled with air, in the electrical performance because of the high resistance, the resistivity of more than 1000 Ω · m, and the surrounding rock there is a significant difference in conductivity, in line with the application of high density electrical method.
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