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Effect of Rejuvenator on Properties of Aged Bitumen of Different Aging Degree
Author(s): 
Pages: 153-157
Year: Issue:  5
Journal: Highway

Abstract: 采用再生剂对不同老化程度的沥青进行再生,研究了再生剂对不同老化程度沥青再生性能的影响,并探讨了再生沥青的化学组成与物理性能之间的关系.结果表明,对于轻度老化沥青和中度老化沥青,当新沥青的用量分别为40%和60%时,掺入10%~15%的再生剂即可使再生沥青的物理性能满足新沥青的规范要求,而重度老化沥青由于其沥青质含量较高,只有当新沥青用量在60%以上、再生剂用量为25%时,其物理性能才能符合新沥青的...
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