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加工与存储温度对SBS改性沥青的性能影响分析

DOI: 10.3969/j.issn.1674-0696.2015.01.11, PP. 48-53

Keywords: 道路工程,SBS改性沥青,加工温度,存储温度,性能,roadengineering,SBSmodifiedasphalt,processingtemperature,storagetemperature,performance

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Abstract:

:？选取4个加工温度（160，170，180，190℃）与3个存储温度（90，120，150℃）对3种SBS改性沥青（E+S-YS，E+S-YY，S+S-YY）进行改性加工与存储；应用沥青常规试验与重复蠕变试验，进行了感温性、高温性能、低温性能的试验研究。研究结果表明：不同的加工温度与储存温度，对3种SBS改性沥青的性能影响不同，当加工温度为180℃、存储温度为150℃时，S-YY改性剂的改性沥青各项性能达到最优；当加工温度为170℃、存储温度为120℃时，S-YS改性剂的改性沥青各项性能达到最优。针对不同类型的SBS改性沥青提出相应的制备与存储的温度推荐值。

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