Non-Destructive Bridge Deck Testing with Ground ...
Case Study 2: GPR and Core Correlation Tahawus Road Bridge Two cores (C-4, C-5) encountered concrete fragments (2-3 inch zones) corresponding with the most significant amplitude attenuation on the bridge deck Chloride concentrations measured at 3 other locations (C-1, C-3, C-6) found elevated levels (1760 ppm, 2770 ppm, 1380 ppm)
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