NovaChip加铺沥青混合料性能提升评价
作者:
作者单位:

(湖南高速设计咨询研究院有限公司, 湖南 长沙 410076)

作者简介:

孙栖梧(1990—),男,湖南高速设计咨询研究院有限公司 ,中级工程师。E-mail:sumable@qq.com

通讯作者:

中图分类号:

U414

基金项目:


Evaluation of performance improvement of asphalt mixture with NovaChip
Author:
Affiliation:

(Hunan High-speed Design Consulting & Research Institute Co., Ltd., Changsha 410076,China)

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    为量化分析NovaChip超薄磨耗层对沥青混合料性能提升效果,采用复合试件进行试验。通过15 ℃的小梁弯曲试验、三点弯曲疲劳试验和改进的车辙试验,分别对不同黏层油洒布量下复合试件的抗弯拉性能、疲劳性能、浸水后高温稳定性及抗松散性能进行了分析。研究结果表明:加铺NovaChip超薄磨耗层后,复合试件的破坏荷载提升了36.4%~82.5%,不同应力水平下的复合试件的疲劳寿命也有了明显提升,动稳定度提升了约10%。黏层油洒布量与复合试件承载性能、疲劳寿命以及改进车辙试件的松散率之间的曲线关系为下开口式抛物线。综合考虑,推荐黏层油洒布量为0.8~1.0 kg/ m2。

    Abstract:

    To quantify the improvement effect of NovaChip ultra-thin abrasive layer on asphalt mixture, composite specimens were prepared. Flexure-tension resistant performance, fatigue performance, high-temperature stability after water immersion, and anti-loosening performance were evaluated using three tests including the small beam bending test at 15 ℃, three-point bending fatigue test, and modified rutting test. The results showed that after adding NovaChip ultra-thin abrasive layer, the damage load of composite specimens was increased by 36.4% ~ 82.5%. The fatigue life was increased significantly under different stress levels. The dynamic stability was increased by about 10%. Furthermore, the amount of sticky layer spreading showed a quadratic curve variation with the bearing performance, fatigue life, and loosening rate of improved rutting specimens. In summary, the recommended amount of sticky layer spreading was 0.8~1.0 kg/ m2.

    参考文献
    相似文献
    引证文献
引用本文

孙栖梧. NovaChip加铺沥青混合料性能提升评价[J].交通科学与工程,2023,39(5):84-90.
SUN Qiwu. Evaluation of performance improvement of asphalt mixture with NovaChip[J]. Journal of Transport Science and Engineering,2023,39(5):84-90.

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2022-12-07
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期: 2023-12-08
  • 出版日期: