Contribution of analysis and detection the risks appearing in roads using GPR method: A case study in Morocco
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Abstract
This work aims to analysis and detects the reasons of the collapse of a road in northern Morocco using simulation based on the Finite-Difference Time-Domain method (FDTD) and a real survey by ground-penetrating radar (GPR) method. In the simulation, we test several targets buried in dry soil at the same depth. Depending on the simulation results GPR survey is done in two zones. The first zone shows multiple strong reflections, it indicates the presence of cavities. In the second zone, the profiles show the presence of the cavities and fragile lands saturated. Based on the results of the analysis and investigation experimental results, it is found that the causes of collapses on the road are due to the presence of the cavities and fragile lands saturated with water. This contribution can be effective and successful in studying areas when establishing infrastructure projects to avoid any risks that in the future.
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