Research on Rejuvenation of Styrene-Butadiene-Styrene Block Copolymer Modified Asphalt with Rejuvenating Agent Based on Pre-Mixing Method

Table 13

PG results.

Rejuvenatingagent content, %	High temperaturecritical temperature, °C	Low temperaturecritical temperature, °C	PG
0	＞82	−11.0	PG70-10
4	＞82	−16.2	PG70-16
8	78.7	−20.7	PG70-16
12	76.3	−21.9	PG70-16
16	71.8	−23.2	PG70-22