Research Article
Monthly Attenuation Prediction for Asphalt Pavement Performance by Using GM (1, 1) Model
Table 3
Annual attenuations of PCI and PQI for three representative lines of the main highway in Hunan Province.
| | | Annual attenuation of PCI | Annual attenuation of PQI | | Line 1 | Line 2 | Line 3 | Line 1 | Line 2 | Line 3 |
| | 2012/year | — | — | 1.76 | — | — | 1.52 | | 2013/year | 1.86 | 2.41 | 4.89 | 2.07 | 1.64 | 3.63 | | 2014/year | 7.57 | 6.7 | 4.81 | 5.48 | 4.44 | 2.96 | | 2015/year | 7.14 | 4.1 | 6.65 | 5.13 | 4.44 | 5.63 | | 2016/year | 6.50 | 5.38 | 4.03 | 4.88 | 4.04 | 2.84 | | 2017/year | 6.07 | 4.1 | 4.96 | 4.59 | 3.99 | 3.85 |
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