Abstract
In order to study the effectiveness of new type modified asphalt additive SBP on pavement performance of asphalt mixture, the experiments were carried out to evaluate the mixing and compaction temperature, high-temperature stability and water stability of SBP modified asphalt mixture. The high-temperature stability of the SBP modified asphalt mortar was studied by DSR. The heating temperature of mineral aggregate and the asphalt mixture mixing temperature and compacted temperature were determined by three different temperature asphalt mixture SCB test, which were got SGC (Superpave Gyratory Compactor). The wheel tracking test of asphalt mixture was carried to evaluate the high-temperature stability and freeze-thaw split test were studied the water stability. Through the wheel tracking test and water stability test in harsh condition, the high-temperature stability and water stability was evaluated again. It can be concluded that SBP can improve the pavement performances of asphalt mixtures.
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