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[1]卢忠明,米轶轩,吴少鹏*,等.温拌LDHs改性沥青混合料抗紫外老化性能及应用研究[J].武汉工程大学学报,2024,46(05):585-590.[doi:10.19843/j.cnki.CN42-1779/TQ.202304025]
 LU Zhongming,MI Yixuan,WU Shaopeng*,et al.Anti-ultraviolet aging performance and application of warm-mix asphaltmixtures containing layered double hydroxides additives[J].Journal of Wuhan Institute of Technology,2024,46(05):585-590.[doi:10.19843/j.cnki.CN42-1779/TQ.202304025]
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温拌LDHs改性沥青混合料抗紫外
老化性能及应用研究
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年05期
页码:
585-590
栏目:
资源与土木工程
出版日期:
2024-10-28

文章信息/Info

Title:
Anti-ultraviolet aging performance and application of warm-mix asphalt
mixtures containing layered double hydroxides additives
文章编号:
1674 - 2869(2024)05 - 0585- 06
作者:
卢忠明1米轶轩2吴少鹏*3蒋永庆1黄文嗣1王 志2周宇恒3
1. 四川久马高速公路有限责任公司,四川阿坝藏族羌族自治州 610000;
2. 北京新桥技术发展有限公司,北京 100089;
3. 武汉理工大学材料科学与工程学院,湖北 武汉 430070
Author(s):
LU Zhongming1 MI Yixuan2 WU Shaopeng*3 JIANG Yongqing1 HUANG Wensi1
1. Sichuan JiuMa Expressway Co.,Ltd, Aba (Ngawa) Tibetan and Qiang Autonomous Prefecture 610000, China;
2. Beijing Xinqiao Technology Development Co., Ltd, Beijing 100089,China;
3. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
关键词:
改性沥青:沥青混合料:层状双金属氢氧化物温拌剂老化性能
Keywords:
modified asphaltasphalt mixtureslayered double hydroxideswarm-mix agentaging characteristic
分类号:
U414
DOI:
10.19843/j.cnki.CN42-1779/TQ.202304025
文献标志码:
A
摘要:
采用层状双金属氢氧化物(LDHs)作为抗紫外添加剂,温拌剂作为降黏添加剂,制备了一种新型抗紫外沥青混合料。通过透射电子显微镜研究了LDHs的晶体稳定性,同时通过黏度试验研究了温拌剂的降黏效果,再通过物理性能试验、车辙试验、水稳定性试验研究了LDHs的最佳掺量及温拌LDHs改性沥青混合料的抗紫外老化性能,最后铺筑温拌LDHs改性沥青混合料试验段,对试验路用性能进行评价。结果表明:在170 ℃下,LDHs具有良好的晶体稳定性,温拌剂能显著降低LDHs改性沥青的黏度,LDHs能够有效提高温拌沥青混合料的抗紫外性能和力学性能,推荐实体工程中掺加LDHs质量与沥青质量之比为0.03。
Abstract:
A new anti-ultraviolet (UV) asphalt mixture using layered double hydroxides (LDHs) as UV-resistant additives and warm-mix agents as viscosity-reducing additives was prepared. The stability of LDHs crystals was investigated by transmission electron microscopy. Simultaneously,viscosity tests were conducted to investigate the viscosity-reducing effect of the warm-mix agents. Subsequently,physical performance test, wheel rutting test,and moisture damage resistance performance test were conducted to investigate the optimal content of LDHs and the anti-UV aging performance of warm-mix asphalt mixtures containing LDHs additives. Finally,a test road with warm-mix asphalt mixtures containing LDHs additives was constructed, and the pavement performances of the test road was investigated. The results indicate that LDHs have excellent crystal structure stability at 170 ℃. The warm-mix agents significantly reduce the viscosity of the LDHs modified asphalt. LDHs effectively improve the anti-UV aging performance and mechanical performance of the warm-mix asphalt mixtures. The recommended mass ratio of LDHs to asphalt binder for engineering is 0.03.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-04-21
基金项目:湖北省国际合作项目(2022EHB006)
作者简介:卢忠明,中级工程师。Email:[email protected]
*通信作者:吴少鹏,博士,教授。Email:[email protected]
引文格式:卢忠明,王志,吴少鹏,等. 温拌LDHs改性沥青混合料抗紫外老化性能及应用研究[J]. 武汉工程大学学报,2024,46(5):585-590.
更新日期/Last Update: 2024-10-26