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Measuring Rolling Resistance of Typical Swedish Pavements

机译：测量典型的瑞典路面的滚动阻力

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摘要

Rolling resistance properties of a large number of Swedish pavements and a few Danish pavements have been measured in recent years by means of a special trailer produced and owned by the Technical University of Gdansk in Poland. Three different automobile and light truck tires have been used as reference tires, two of them representing automobile tires and one representing truck tires (with regard to pavement properties). There are several problems related to the measurement methods, which are briefly dealt with in this paper. The main part of the paper reports the rolling resistance coefficients (RRCs) that have been measured over a range of pavements common in Sweden and over a range of conditions. It appears that there is a very good and repeatable correlation between RRC and mean profile depth (MPD) of the pavement macrotexture, explaining approximately 80 % of the total variation. The variation in RRC between the worst and the best pavement is 45 %, which would correspond to approximately 5 % of fuel consumption and CO_2 variation in highway driving. Looking at the most common pavements in Sweden, the range is approximately 20 %-25 % between the best and the worst. The conclusion is that there is a potential for reducing fuel consumption of road traffic by using pavements with low rolling resistance properties.
机译：近年来，通过由波兰格但斯克技术大学生产和拥有的专用拖车，对大量瑞典人行道和一些丹麦人行道的滚动阻力特性进行了测量。三种不同的汽车轮胎和轻型卡车轮胎已用作参考轮胎，其中两种代表汽车轮胎，一种代表卡车轮胎（关于路面特性）。与测量方法有关的几个问题在本文中得到了简要处理。本文的主要部分报告了滚动阻力系数（RRC），这些系数是在瑞典常见的一系列路面和各种条件下测得的。似乎RRC与路面宏观纹理的平均轮廓深度（MPD）之间存在非常良好且可重复的相关性，解释了总变化的大约80％。最差路面和最佳路面之间的RRC变化为45％，大约相当于高速公路行驶中燃料消耗和CO_2变化的5％。看看瑞典最常见的人行道，最佳和最差之间的范围约为20％-25％。结论是，通过使用具有低滚动阻力特性的路面可以减少道路交通的燃料消耗。

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