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首页> 外文期刊>Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear >Influence of different polishing conditions on the skid resistance development of asphalt surface
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Influence of different polishing conditions on the skid resistance development of asphalt surface

机译：不同抛光条件对沥青表面防滑发展的影响

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摘要

The development of the skid resistance of asphalt road surfaces was simulated in a laboratory. Asphalt plates were taken from a test track. They were polished using the Aachen Polishing Machine (APM) with real tires under various conditions and their skid resistances were determined using the Wehner/Schulze machine (W/S). The process of binder removal and polishing of the aggregate can be accurately described using a five-parameter skid resistance model. It was observed that the asphalt plates showed different skid resistance behaviors and reached different final states under varying polishing conditions. It can be concluded that wetness conditions, polishing agents and the affinity between aggregate and bitumen were decisive for the skid resistance development. They could influence the removal speed of the bitumen film, the peak value as well as the final value of the skid resistance. The polishing using the W/S test could lead to an overestimation of the predicted skid resistance level when the grain size and composition of dust on the road surface deviates excessively from that of the standard polishing agent applied in the W/S test. For a realistic skid resistance prediction, it is therefore recommended that the asphalt specimen should be polished using a polishing agent with similar gradation to that of the dust on the road surface.
机译：在实验室中模拟了沥青路面防滑性能的发展。沥青板取自测试轨道。使用亚琛抛光机（APM）在各种条件下使用真实轮胎对其进行抛光，并使用Wehner / Schulze机（W / S）确定其防滑性能。可以使用五参数防滑阻力模型准确地描述去除粘结剂和抛光集料的过程。观察到沥青板在不同的抛光条件下表现出不同的防滑性能并达到不同的最终状态。可以得出结论，湿润条件，抛光剂以及骨料与沥青之间的亲和力对防滑性能的发展起着决定性的作用。它们可能会影响沥青薄膜的去除速度，峰值以及防滑性的最终值。当道路表面上的粉尘的粒度和成分与W / S试验中使用的标准抛光剂的粒度和成分过度偏离时，使用W / S试验进行的抛光可能导致高估了预测的防滑性。因此，为了进行实际的防滑预测，建议使用与公路表面灰尘相似的灰阶抛光剂对沥青样本进行抛光。

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