There is recent progress in theory of modified asphalts.
本文在研究沥青改质的理论问题上取得了进展。
The conditions and development of pavement with ground tire rubber modified asphalts (GTRMAs) inland and abroad are introduced.
介绍了橡胶粉用于改性道路沥青的现状。
Through lots of force ductility tests, the tensile performances of the different SBS modified asphalts in different temperatures are analyzed.
采用测力延度试验，本文分析了不同SBS改性沥青在不同温度，不同改性剂掺量下的性能变化特点。
Thin film oven aging behaviors of SB S modified asphalts were studied by infrared spectrum, gel permeation chromatography, dyn amic mechanical property analysis.
用红外光谱、凝胶渗透色谱、动态黏弹仪研究了苯乙烯-丁二烯嵌段共聚物（SBS）改性沥青的薄膜烘箱老化行为。
Three kinds of asphalts, one in the original and two others modified by antistripping or chemical agents, are examined by assessment of the adhesiveness and residual performance.
通过对基质沥青、抗剥落剂改性沥青和化学改性沥青粘附性能和残余粘附稳定度的分析，比较了3种沥青在粘附性方面的不同特征。
Three kinds of asphalts, one in the original and two others modified by antistripping or chemical agents, are examined by assessment of the adhesiveness and residual performance.
通过对基质沥青、抗剥落剂改性沥青和化学改性沥青粘附性能和残余粘附稳定度的分析，比较了3种沥青在粘附性方面的不同特征。
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