Jalal Kamali, Mohammad Hossain, Hassani, Abolfazl, Sodagari, Javad. (1398). Investigating the Relation among British Pendulum Number, Mean Texture Depth and Asphalt Content in Hot Mix Asphalt. هنرهای کاربردی, 8(1), 87-96. doi: 10.22075/jrce.2019.16124.1304
Mohammad Hossain Jalal Kamali; Abolfazl Hassani; Javad Sodagari. "Investigating the Relation among British Pendulum Number, Mean Texture Depth and Asphalt Content in Hot Mix Asphalt". هنرهای کاربردی, 8, 1, 1398, 87-96. doi: 10.22075/jrce.2019.16124.1304
Jalal Kamali, Mohammad Hossain, Hassani, Abolfazl, Sodagari, Javad. (1398). 'Investigating the Relation among British Pendulum Number, Mean Texture Depth and Asphalt Content in Hot Mix Asphalt', هنرهای کاربردی, 8(1), pp. 87-96. doi: 10.22075/jrce.2019.16124.1304
Jalal Kamali, Mohammad Hossain, Hassani, Abolfazl, Sodagari, Javad. Investigating the Relation among British Pendulum Number, Mean Texture Depth and Asphalt Content in Hot Mix Asphalt. هنرهای کاربردی, 1398; 8(1): 87-96. doi: 10.22075/jrce.2019.16124.1304

Investigating the Relation among British Pendulum Number, Mean Texture Depth and Asphalt Content in Hot Mix Asphalt

Journal of Rehabilitation in Civil Engineering
مقاله 7، دوره 8، شماره 1 - شماره پیاپی 17، بهار 2020، صفحه 87-96    اصل مقاله (750.48 K)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2019.16124.1304
نویسندگان
Mohammad Hossain Jalal Kamali* 1؛ Abolfazl Hassani2؛ Javad Sodagari3
1Tarbiat Modares University
2Professor, Faculty of Civil and Environmental Engineering, Tarbiat Modares University, Tehran, Iran
3Zamin Payeh Consulting Engineering
چکیده
Pavement surface texture and its skid resistance are two key safety parameters of highways, which both are influenced by pavement characteristics. In the present study, a newly constructed asphalt pavement (Qom-Garmsar freeway) in Iran is examined. The goal is to inspect the relation between skid resistance and pavement texture in order to asphalt content changes in Hot Mix Asphalt. Mean Texture Depth (MTD) and British Pendulum Number (BPN) are being applied to quantify pavement texture and skid resistance, respectively. The results show that the asphalt content has a significant effect on MTD and consequently, BPN in loaded pavements, as well as non-loaded pavements. The result revealed that the lowest BPN value obtained, when the asphalt content is about the optimum value. Moreover, it is demonstrated that using asphalt contents less and more than the optimum value, results in BPN improvement. Asphalt content increasing, around optimum value, leads to MTD decrease. The results also reveal that by increasing the MTD, the BPN decreases to 75 (in MTD value of 0.62 mm) and then increases.
کلیدواژه‌ها
Mean Texture Depth؛ British Pendulum Number؛ Pavement Texture؛ Asphalt Content؛ Friction
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