选用车辙试验和恒定高度重复剪切试验（RSCH）来进行掺加PR系列添加剂沥青混合料的高温性能研究。
Impacts on asphalt mixture's high temperature performance with PR series additives added by means of rutting test and Repeated Shear Test (Constant Height)(RSCH) were investigated.
改善沥青的高温抗流动性能可减轻沥青在高温下的软化流淌。
Softening and flowing of bitumen at high temperature can be improved after the anti-flowing property is enhanced.
从材料、气候、交通条件等方面阐述了影响沥青混合料高温稳定性的内在因素和外在因素，并提出了改善沥青混合料高温性能措施。
From materials, climate and traffic conditions, discussion is made on the factors that influence the stability at high temperature of asphalt mixture, and given the Suggestions.
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