Ground Penetrating Radar Detection Technology Principle
Ground-penetrating radar is a method of detecting electromagnetic waves. Radar waves are usually excited by electric dipole sources. The target body and geological phenomena are detected by the reflection of high-frequency electromagnetic pulses. In actual measurement, the section method is generally used for continuous or very dense point sampling. The applied research fields include the test of geological stratification, the test of underground cavity-shaped target body, the test of groundwater level line and dam body saturation line, and the seepage Body shape, integrity testing and tunnel lining quality testing.
Application of Ground Penetrating Radar Detection Technology
Using ground penetrating radar technology, from the perspective of practical application results, ground penetrating radar is very accurate in detecting the quality of lining. For different detection targets, it is very accurate to determine the number and position of steel bars in the lining. It has different radar images. The characteristics of the reflected wave can be clearly judged whether there is a gap between the lining and the surrounding rock contact surface, and the interface between different underground media can be clearly detected.
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