The Applied Research Of Two-dimensional Resistivity Tomography Technology In The Earth Dam Leakage

In this article, the National Natural Science Foundation Project "earth-rock dam seepage wave-electric coupling Diagnostic Imaging Technology" (number 50779081), the use of two-dimensional resistivity tomography technology to an in-depth earth-rock dam seepage system.This article includes specific studies as follows:(1)Than the system at home and abroad on the resistivity imaging technology research, research and development of dam leakage detection of the status quo, on the basis of combining a practical application of research in this article, and key.(2)Resistivity tomography on the pros and cons of his model have been studied in this paper introduces the algorithm used by the pros and cons.(3)At present, electrical resistivity tomography for the in situ observing systems, the basic principles of its introduction, the electrode device, the composition of the field observing systems, combined with the characteristics of earth-rock dam seepage, earth-rock dam on the observation system in the diagnosis of adaptation have been studied.(4)Studied from several aspects of the interpretation of the resistivity imaging method, is mainly directed against the topography of the impact of electrical and qualitative research on the fractal.(5)Focused on the numerical simulation of earth-rock dam seepage studies, the use of the preparation procedures for two-dimensional inversion model of the earth-rock dam leakage and the inversion of the spreadsheet analysis of convergence, very good inversion results.(6)Bishan County Daerim combination of the upper reaches of the reservoir dam leakage detection Electricity Act, and the results are the interpretation and error analysis. The results showed that the original homogeneous earth dam at elevation 329.0 meters above the right abutment near the possible leakage problems exist, it is recommended part of the dam re-excavated backfill compacted.This article research is the resistivity method to the earth stone dam leakage application research, has the very important guiding sense to the earth stone dam's effective maintenance reinforcement.