期刊论文

中文

材料科学与工程学报

1673-2812

2023

41

1

77-85

10.14136/j.cnki.issn1673-2812.2023.01.012

U1833127:国家自然科学基金 51978080:国家自然科学基金 CX20190668:湖南省研究生科研创新资助项目 CX20200828:湖南省研究生科研创新资助项目

本校为第一机构

实验选用布顿岩沥青(Buton-rock asphalt,BRA)、纳米气凝胶(Nanoaerogel,NA)和抗老化剂(Anti-aging agent,AA)对基质沥青进行复合改性。通过三大指标试验,确定三种改性剂的...展开更多 实验选用布顿岩沥青(Buton-rock asphalt,BRA)、纳米气凝胶(Nanoaerogel,NA)和抗老化剂(Anti-aging agent,AA)对基质沥青进行复合改性。通过三大指标试验,确定三种改性剂的适宜掺量。利用动态剪切和弯曲梁流变试验分析了沥青的流变性能,以抗老化性能评价指标对耐老化性能进行表征。借助傅里叶红外光谱(FTIR)对沥青的官能团变化进行了分析,利用扫描电镜(SEM)观测了沥青在不同老化方式后的微观结构。结果表明:BRA+...

Buton-rock asphalt(BRA),nanoaerogel(NA),and anti-aging agent(AA)were selected to prepare a modified asphalt,and then the optimum dosage of the mentioned modified agents were determined via three major indexes tests.The rheological properties of the modified asphalt were...MORE Buton-rock asphalt(BRA),nanoaerogel(NA),and anti-aging agent(AA)were selected to prepare a modified asphalt,and then the optimum dosage of the mentioned modified agents were determined via three major indexes tests.The rheological properties of the modified asphalt were analyzed by dynamic shear and bending beam rheologi...