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author:

汪婷 (汪婷.) [1]

Abstract:

为了提高沥青材料的耐久性,将层状双金属氢氧化物(LDHs)用于制备改性沥青.研究了老化前后LDHs对沥青材料物理性能、流变性能、化学组分及胶体结构的影响.结果表明:LDHs能够改善沥青材料的高温稳定性,LDHs最佳掺量为3%;热氧老化和光氧老化后,基质沥青的黏弹性发生破坏,黏性行为减弱,弹性行为增强,物理性能和流变性能发生劣化;芳香分含量明显降低,沥青质含量显著增加,胶体稳定性变差,胶体结构趋于凝胶化.LDHs的加入明显抑制了老化对沥青材料物理性能、流变性能、化学组分及胶体结构的破坏,增强了沥青材料的抗老化性能.

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  • [ 1 ] [汪婷]福州大学福建省高校测试中心,福建福州350116

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Source :

市政技术

ISSN: 1009-7767

Year: 2021

Issue: 12

Volume: 39

Page: 124-128

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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