Estimation of Water Stagnation in Asphalt-Overlaid Bridges Using Ground-Penetrating Radar

Figure 8

Computation of subsurface ponding zone using GPR C-scan. (a) Asphalt thickness distribution D(x,y). (b) Depth distribution of the non-permeable subsurface layer Z(x,y). (c) Bathymetric dendrogram. (d) Subsurface ponding zone S(x,y).

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