Effects of road particulate contaminants on pavement skid resistance

被引：3

作者：

Xiao, Shenqing ^{[1
]}

Xi, Chenchen ^{[2
,3
]}

Xu, Li ^{[4
]}

Li, Jilu ^{[1
]}

Tan, Yiqiu ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin, Peoples R China

[2] Key Lab Rd & Bridge Detect & Maintenance Technol Z, Hangzhou, Peoples R China

[3] Zhejiang Sci Res Inst Transport, Hangzhou, Peoples R China

[4] Xinjiang Agr Univ, Sch Transportat & Logist Engn, Urumqi, Peoples R China

来源：

ROAD MATERIALS AND PAVEMENT DESIGN | 2024年 / 25卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Particulate contaminants; road surface texture; skid resistance; lubrication effect; Stribeck curve; DRY; LUBRICATION; PARTICLES; FRICTION;

D O I：

10.1080/14680629.2023.2229921

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

To understand the effect of particulate contaminants on pavement skid resistance, the friction numbers of three surfaces under different pollution conditions (particle size, coverage fraction, and shape factor) were measured using a British Pendulum Tester (BPT). The results show that less than 45% coverage fraction of the particles above 0.3 mm even results in almost 50% friction loss at a low speed of 10 km/h. In this situation, the rougher surface has a stronger holding particles capacity. Moreover, the particle size determining the lowest friction level gradually increases as the surface roughness increases. The particle size of 1.18-2.36 mm is the most typical size range leading to a low friction level. In addition, the friction first drops sharply and then increases slowly with the coverage fraction increases, which also conforms to the Stribeck curve.

引用

页码：874 / 887

页数：14

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