Assessment of the Darmstadt scuffing device for ravelling resistance in porous asphalt used in Italian motorways

IF 3.4 3区工程技术 Q2 CONSTRUCTION & BUILDING TECHNOLOGY

Materials and Structures Pub Date : 2025-05-10 DOI:10.1617/s11527-025-02673-2

Andrea Scarponi, Andrea Graziani, Massimiliano Ramunno, Francesco Canestrari

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引用次数: 0

Abstract

Porous asphalt (PA), widely used in wearing courses of Italian motorways, continues to gain attention for its ability to enhance rainwater drainage and improve road friction under adverse weather conditions. However, PA is susceptible to ravelling, a degradation process primarily caused by tire/pavement interaction during vehicle manoeuvres. This study investigates the ravelling resistance of PA under both dry and wet conditions using the conventional Cantabro test and the innovative Darmstadt Scuffing Device (DSD) which simulates the tire movements during steering, acceleration, and braking. PA mixtures from ten different asphalt plants, produced according to Italian technical specifications for motorways, were tested. Results show that the DSD is effective in measuring ravelling resistance. Comparison of the DSD and Cantabro test results revealed poor correlation, likely due to differences in testing temperatures and the DSD’s more realistic loading conditions. Two limits for the DSD test results were established to assess the PA ravelling performance. Finally, the repeatability of the DSD test was preliminarily assessed.

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意大利高速公路用多孔沥青达姆施塔特磨损装置的抗脱落性评估

多孔沥青（PA）广泛应用于意大利高速公路路面，因其在恶劣天气条件下增强雨水排水和改善路面摩擦的能力而不断受到关注。然而，PA容易受到漂移的影响，这是一种主要由车辆操纵期间轮胎/路面相互作用引起的退化过程。本研究使用传统的Cantabro测试和创新的Darmstadt Scuffing Device （DSD）来模拟轮胎在转向、加速和制动过程中的运动，研究了PA在干、湿两种条件下的漂移阻力。根据意大利高速公路技术规范，测试了来自十家不同沥青厂的PA混合物。结果表明，DSD是一种有效的测量漂移阻力的方法。DSD和Cantabro测试结果的比较显示相关性较差，可能是由于测试温度和DSD更真实的加载条件的差异。建立了DSD测试结果的两个极限，以评估PA的移动性能。最后，对DSD试验的重复性进行初步评价。

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来源期刊

Materials and Structures 工程技术-材料科学：综合

CiteScore

6.40

自引率

7.90%

发文量

222

审稿时长

5.9 months

期刊介绍： Materials and Structures, the flagship publication of the International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), provides a unique international and interdisciplinary forum for new research findings on the performance of construction materials. A leader in cutting-edge research, the journal is dedicated to the publication of high quality papers examining the fundamental properties of building materials, their characterization and processing techniques, modeling, standardization of test methods, and the application of research results in building and civil engineering. Materials and Structures also publishes comprehensive reports prepared by the RILEM’s technical committees.