[1]任万艳,王浩全,王馨娅,等.SMA-10超薄磨耗层微观纹理早期衰变特性[J].长安大学学报(自然科学版),2026,46(2):28-42.[doi:10.19721/j.cnki.1671-8879.2026.02.003]
　REN Wan-yan,WANG Hao-quan,WANG Xin-ya,et al.Early decay characteristics of micro-texture of SMA-10 ultra-thin wearing course[J].Journal of Chang’an University (Natural Science Edition),2026,46(2):28-42.[doi:10.19721/j.cnki.1671-8879.2026.02.003]
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SMA-10超薄磨耗层微观纹理早期衰变特性()
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长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
第46卷
期数:
2026年2期
页码:
28-42
栏目:
道路工程
出版日期:
2026-04-18

文章信息/Info

Title:
Early decay characteristics of micro-texture of SMA-10 ultra-thin wearing course
文章编号:
1671-8879(2026)02-0028-15
作者:
任万艳1; 2; 3; 王浩全1; 王馨娅1; 杨晨1; 王佳妮1; 2; 3
(1. 北京建筑大学 土木与交通工程学院,北京 100044; 2. 北京建筑大学 未来城市韧性交通基础设施研究中心,北京 100044; 3. 北京建筑大学 北京市城市交通基础设施建设工程技术研究中心,北京 100044)
Author(s):
REN Wan-yan1; 2; 3;  WANG Hao-quan1;  WANG Xin-ya1;  YANG Chen1;  WANG Jia-ni1; 2; 3
(1. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture,Beijing 100044, China; 2. Future Urban Resilient Transportation Infrastructure Research Center,Beijing University of Civil Engineering and Architecture, Beijing 100044, China; 3. Beijing Urban Transportation Infrastructure Engineering Technology Research Center, Beijing University of Civil Engineering and Architecture, Beijing 100044, China)
关键词:
路面工程;  超薄磨耗层;  SMA-10;  微观纹理衰变;  功率谱密度积分;  分形维数;  抗滑性能
Keywords:
pavement engineering;  ultra-thin wearing course;  SMA-10;  micro-texture decay;  integral of power spectral density;  fractal dimension;  skid resistance
分类号:
U416.217
DOI:
10.19721/j.cnki.1671-8879.2026.02.003
文献标志码:
A
摘要:
为解决SMA-10超薄磨耗层服役早期抗滑性能偏低的问题,通过室内加速加载试验,结合三维激光纹理扫描与摆值测试,采用功率谱密度积分值和分形维数表征微观纹理特征,采用摆值表征抗滑性能,系统研究了SMA-10超薄磨耗层微观纹理与抗滑性能的关联性,并分析了沥青黏弹性与混合料级配对SMA-10超薄磨耗层微观纹理及抗滑性能衰变的影响。研究结果表明:初始状态下功率谱密度积分值与分形维数的相关系数达0.97,呈极强相关,但二者与摆值的相关系数仅为0.07～0.14,无法直接评价SMA-10超薄磨耗层初始抗滑性能差异; 加载过程中,三者相关系数均大于0.7,呈强正相关,说明SMA-10超薄磨耗层微观纹理变化可有效反映抗滑性能的衰变趋势; 沥青黏弹性与细粗集料质量比例对SMA-10超薄磨耗层微观纹理衰变的影响具有显著阶段性,高黏沥青可延缓初期纹理衰减,但其后期衰减加剧,且分形维数代表的纹理复杂度保留,而功率谱密度积分值表征的粗糙度损失,不能从根本上提升SMA-10超薄磨耗层的抗滑性能; 增加细集料能抑制早期劣化,但中期衰减加快,增加粗集料则导致微观纹理快速磨耗,调整细粗集料质量比例仅能优化早期抗滑下限而无法逆转抗滑性能衰减趋势; SMA-10超薄磨耗层的微观纹理早期衰变可分为三阶段,从初始快速下降,经中期回升至峰值,到后期持续衰减。
Abstract:
To address the problem of insufficient skid resistance of SMA-10 ultra-thin wearing course at early service stage, laboratory accelerated loading tests were carried out combined with 3D laser texture scanning and British pendulum number testing. The integral value of power spectral density and fractal dimension were used to characterize the micro-texture characteristics, and the British pendulum number was used to represent the skid resistance. The correlation between micro-texture and skid resistance of SMA-10 ultra-thin wearing course was systematically investigated, and the effects of asphalt viscoelasticity and mixture gradation on the micro-texture and skid resistance decay of SMA-10 ultra-thin wearing course were analyzed. The research results show that in the initial state, the correlation coefficient between the integral value of power spectral density and fractal dimension reaches 0.97, indicating an extremely strong correlation. However, their correlation coefficients with the British pendulum number are only 0.07-0.14. They cannot be directly used to evaluate the difference in the initial skid resistance of SMA-10 ultra-thin wearing course. During the loading process, the correlation coefficients of the three indicators are all greater than 0.7, showing a strong positive correlation. This suggests that the micro-texture evolution of SMA-10 ultra-thin wearing course can effectively reflect the decay trend of skid resistance. The effects of asphalt viscoelasticity and fine-to-coarse aggregate ratio on the micro-texture decay of SMA-10 ultra-thin wearing course exhibit obvious stage-specific characteristics. High-viscosity asphalt can delay the initial texture attenuation but aggravate the later attenuation. Moreover, the texture complexity represented by fractal dimension is retained, while the roughness characterized by the integral value of power spectral density is lost. This indicates that the asphalt viscoelasticity cannot fundamentally improve the skid resistance of SMA-10 ultra-thin wearing course. Increasing the fine aggregates can restrain the early deterioration but accelerate the middle stage attenuation, while increasing the coarse aggregates leads to rapid texture abrasion. Adjusting the fine-to-coarse aggregate ratio can only optimize the lower limit of skid resistance at early stage but cannot reverse the attenuation trend of skid resistance. The early decay of micro-texture in SMA-10 ultra-thin wearing course can be divided into three stages: an initial rapid decline, followed by a recovery to peak at the middle stage, and a continuous attenuation at the later stage.13 tabs, 15 figs, 37 refs.

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备注/Memo

备注/Memo:
收稿日期:2025-07-16
基金项目:国家自然科学基金项目(52108391); 北京建筑大学金字塔人才培养工程(JDYC20220810); 北京学者计划(067); 北京市属高校教师队伍建设支持计划高水平科研创新团队(BPHR20220109); 北京建筑大学未来新材料研究院“揭榜挂帅”项目
作者简介:任万艳(1989-),女,河南新乡人,副研究员,工学博士,从事路面表面功能研究,E-mail:renwanyan@bucea.edu.cn。
更新日期/Last Update: 2026-04-20