From: Evaluation of the Depth of Deteriorations in Concrete Bridge Decks with Asphalt Overlays Using Air-Coupled GPR: A Case Study from a Pilot Bridge on Korean Expressway
Survey date
R.H of air
Weather
Remarks
October 11, 2007
76%
Haze
Daily temperature: average 7.9–23.7 °C, highest 13.9–27.5 °C, lowest 1.4–20.0 °C
Rainfall: 0–75.5 mm
Weather: rainy 24Â daysa, haze 30Â days