Analysis of Shielding Effectiveness of the Cavity Built with Single-Layer Reinforced Concrete

Figure 6

Comparison of the shielding effectiveness of three shielding structures under different moisture content: (a) complex permittivity of the concrete with the moisture content, (b) moisture content 0.2%, (c) moisture content 5.5%, and (d) moisture content 12%.

(a)

(b)

(c)

(d)