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赵嘉明¹ , 李琛琛^2,3 , 张宝鑫^4,5 , 史佳晨² , 蔡燕霞^1,4,5

 

(1. 河北工程大学 土木工程学院 , 邯郸   056000; 2. 浙江交投高速公路建设管理有限公司 , 杭州    310024;

3. 长沙理工大学 交通运输工程学院 , 长沙   410114; 4. 交通运输部公路科学研究院 , 北京    100088;

5. 中路高科  (北京) 公路技术有限公司 , 北京    100088)

摘  要: 为研究长期水损害对凝灰岩沥青混合料各项路用性能的影响 。借助表面能理论对沥青-集料的黏附性进行定量评价并确定外掺剂的最佳掺量 , 对凝灰岩沥青混合料进行劈裂 、单轴压缩动态模量和中低温半圆弯曲试验 , 分析长期水损害对混合料各项路用性能的影响 。结果表明 : 水泥和抗剥落剂的最佳掺量分别为 2%和0. 6% ; 两种外掺剂均能提高凝灰岩沥青混合料的长期抗水损害能力 , 抗剥落剂对凝灰岩沥青混合料的高温和低温性能提升显著 ; 抗剥落剂在水损害前期的效果较好 , 而水泥在整个水损害过程中的改善效果更稳定持久 。研究成果可为相关工程提供参考。

关键词: 道路工程 ; 长期水损害 ; 凝灰岩 ; 沥青胶结料

中图分类号: U416. 217      文献标志码: A      文章编号: 1005-8249 (2026) 04-0085-07

DOI:10. 19860/j. cnki. issn1005-8249. 2026. 04. 013

 

Influence of Long Term Water Damage on road Performance of Tuff Asphalt Mixture

ZHAO Jiaming¹ , LI Chenchen^2,3 , ZHANG Baoxin^4,5 , SHI Jiachen² , CAI Yanxia^1,4,5

(1. School of Civil Engineering, Hebei University of Engineering, Handan 056000, China;

2. Zhejiang Communications Investment Group Expressway Construction and Management Co. , Ltd. , Hangzhou 310024, China;

3. School of Transportation, Changsha University of Science & Technology, Changsha 410114, China;

4. Research Institute of Highway Ministry of Transport , Beijing 100088, China;

5. Beijing Zhonglu Gaoke Highway Technology Co. , Ltd. , Beijing 100088, China)

Abstract : In this paper, the contact angle between aggregate and asphalt is measured and the adhesion parameters are calculated to study the performance of asphalt mixture after long-term water damage. The results show that the contact angle test is an effective method to analyze the adhesion between aggregate and asphalt, and the optimal dosage of cement and anti stripping agent is 2% and 0. 6% , respectively; Both admixtures can improve the long - term water damage resistance of tuff asphalt mixture, which is indirectly reflected in the road performance, and the improvement effect is different in different road performance. The research findings can provide reference for relevant engineering projects.

Key words: road engineering; prolonged water damage; tuff; asphalt binder