Research Article

Temperature Correction for FWD Deflection in Cement Pavement Void Detection

Table 3

Measured temperature and temperature difference between top and bottom of the plate in each season.

SeasonMaximum temperature (°C)Minimum temperature (°C)Average temperature (°C)Temperature range (°C)Mean temperature difference (°C)
TopBottomTopBottomTopBottom

Spring51.6037.301.005.2022.4621.34−6.80 to 16.004.46
Summer57.2049.7018.9023.8033.3632.44−9.90 to 19.500.81
Autumn44.1035.302.768.3018.7918.13−2.00 to 10.001.87
Winter18.805.00−5.501.202.703.38−7.10 to 15.00−0.68