Research Article
Laboratory Evaluation of Aging Behaviour of SBS Modified Asphalt
Table 7
Correlation of microstructure quantitative indexes and tenacity with aging time.
| Aging temperature | Microindex | Macroindex | Correlation coefficient | Significance |
| TFOT 163°C | Area ratio | Tenacity | 0.991 | 0.012 | TFOT 173°C | Area ratio | Tenacity | 0.359 | 0.552 | TFOT 183°C | Area ratio | Tenacity | −0.768 | 0.129 |
|
|