A research team in the Centre of Geophysics Research, Directorate of Space and Communications, merged Ministry of Science and Technology conducted a research in detecting cracks of concrete blocks using ground penetration radar. The research reviewed detecting air gaps and cracks in concrete during the casting process, as these gaps reduce the strength of reinforced concrete. The research aimed at conducting radar network surveys of concrete to obtain accurate data on their components via using an antenna with a frequency (1 GHz) as well as results highlighted the possibility of using high frequencies for GPR antennas in testing concrete in terms of the number of reinforcing layers, the number of iron bars, the distance between them and detecting accurate and the large defects and their depths and sizes.
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