A Review of Soft Techniques for Electromagnetic Assessment of Concrete Condition

Figure 5

Schematic and photo of the assembly held in semi-anechoic chamber. (1) Polystyrene layer, (2) concrete block, (3) absorber plate, (4) bowtie antennas, (5) GPR control unit, (6) inclusion, (7) polystyrene blocks, and (8) wood table.