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na mi peng run tu gai xing li qing shrp lu yong xing neng yan jiu
Author(s): 
Pages: 162-167
Year: Issue:  5
Journal: Highway

Abstract: 通过对不同掺量纳米膨润土及SBS、PE聚合物改性沥青的针入度、软化点等技术指标研究,确定了6种改性剂在基质沥青中的最佳掺量.采用DSR、BBR等方法对沥青的高温稳定性、低温抗裂性等路用性能进行研究,并采用SHRP手段对沥青进行分级,基质沥青为PG64-12,纳米增强基质沥青为PG70-12,说明有机膨润土改性沥青具有较基质沥青更强的抵抗高温变形的能力.纳米层状硅酸盐改性沥青不仅路用性能方面较基质沥...
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