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Sasobit~温拌沥青表面自由能与组分含量关系研究 被引量:2

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摘要 为研究Sasobit温拌沥青表面自由能与组分含量之间的关系,首先制备不同Sasobit温拌剂(0、2%、3%、4%)掺量的沥青试样,且基于躺滴法测定不同温拌剂掺量沥青的表面自由能、极性分量、色散分量等参数;其次,采用四组分法测定不同温拌剂掺量沥青中饱和分、芳香分、胶质、沥青质含量;最后,建立温拌沥青组分含量与表面自由能参数之间的关系。结果表明:随着Sasobit温拌剂掺量的增加,沥青中沥青质明显增大,而胶质则明显减小;沥青表面自由能、色散分量与饱和分、沥青质、芳香分含量呈负相关,与胶质含量呈正相关;而沥青极性分量与饱和分、沥青质、芳香分含量呈正相关,与胶质含量呈负相关。
作者 苏蓉
出处 《公路》 北大核心 2015年第4期241-246,共6页 Highway
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