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Ground Penetrating Radar (GPR) is a feasible remote sensing tool for surveying subsurface geo-structure. These structure characteristics are recorded in radar signal profiles by means of echo signal detection, amplitude and phase estimation. Besides the energy attenuation and absorption of GPR electromagnetic (EM) pulse during its propagating into subsurface from a transmitting antenna, the strong...
Due to complex subsurface situation, echo signals surveyed with Ground Penetration Radar (GPR) often contain a lot of clutters, including direct-coupling wave, random noises and multiples. Existence of these clutters submerges measured feature signals of rock structures with GPR, so suppression of them is often essential conduct for rock feature extraction. For extracting rockmass structure features...
Highway slope is an important part in the design and construction of highway. Especially in the complex geological condition area, road slope disasters occur frequently. So the stability of road slope is very essential to the safe traffic and the safety of human lives and their properties along the road. After the analysis of the existing methods of deformation measurement to physical model of highway...
Based on the prototype of a mine, a physical simulation test is conducted. The characteristics of the deformation and failure of the ground surface and the wall rock around a goaf, as well as the creep behavior of the wall rock deformation and the failure mechanism, are analyzed. The simulation test has greatly improved our understanding on the wall rock's deformation and failure characteristics....
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