Research Article

Laboratory Evaluation of Aging Behaviour of SBS Modified Asphalt

Table 7

Correlation of microstructure quantitative indexes and tenacity with aging time.

Aging temperatureMicroindexMacroindexCorrelation coefficientSignificance

TFOT 163°CArea ratioTenacity0.9910.012
TFOT 173°CArea ratioTenacity0.3590.552
TFOT 183°CArea ratioTenacity−0.7680.129