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地电台测区介质的岩体力学条件是地电阻率法台址的重要条件之一。本文根据实测资料和实验结果研究了第四纪浮土层对地电阻率正常变化和地电阻率前兆特征的影响,并对浮土层下伏岩体的物理力学性质与岩体电阻率变化之间的关系作了探讨。由此得到,地电台探测区的岩体力学条件应该是浮土层较薄,下伏小孔隙度(或小裂隙率)的岩体。
The geotechnical mechanics conditions of the terrestrial media are one of the important conditions of the geo-resistivity method. Based on the measured data and experimental results, the effects of quaternary layer on the normal variation of resistivity and the characteristics of ground resistivity precursors have been studied. The relationship between the physical and mechanical properties of the underlying rock mass and the change of resistivity of the rock mass has been studied Relationship was discussed. Therefore, the mechanical conditions of the rock mass in the sounding area of the ground station should be the rock mass with a thin layer of floating earth and an underlying small porosity (or small porosity).