In this paper, empirical mode decomposition (EMD) in the Hilbert-Huang transform (HHT) was used to analyse the relationship between asphalt pavement surface texture and skid resistance. A laser profilometer was used to scan the surface texture of nine groups of asphalt mixture with three gradations and three coarse aggregates. The texture profile was decomposed into a number of intrinsic mode functions (IMF) by the EMD method, and then the IMF was further combined into BIMF. Seven texture parameters were selected to characterize the texture characteristics of profile and BIMF, respectively: MPD, MDE, Rq, Dq, Lq, Ssk and Sku. On this basis, BPT and Tire/pavement dynamic friction analyzer (TDFA) were used to test the friction coefficient, and the correlation between the texture parameters and the skid resistance was compared and analyzed. The results show that the correlation between BIMF1 texture parameters and BPN is low, but the correlation between BIMF2 texture parameters and BPN is higher than that of the measured profile. In addition, the contact state, speed and slip rate of the tire have an important influence on the skid resistance of the pavement. Under different speeds or slip rates, the correlation between texture and friction is quite different. Furthermore, MPD, MDE, Rq, Lq and Sku are recommended to characterize both the original curve and the curve changed by HHT in the correlation analysis between texture and pavement friction.

本文采用希尔伯特-黄变换(HHT)中的经验模态分解(EMD)来分析沥青路面表面纹理与抗滑性之间的关系。激光轮廓仪用于扫描九组具有三个级配和三个粗骨料的沥青混合料的表面纹理。通过EMD方法将纹理剖面分解为多个本征模态函数（IMF），然后将IMF进一步组合成BIMF。选取7个纹理参数分别表征profile和BIMF的纹理特征：MPD、MDE、Rq、Dq、Lq、Ssk和Sku。在此基础上，利用BPT和轮胎/路面动摩擦分析仪（TDFA）测试摩擦系数，对比分析了织构参数与防滑性之间的相关性。结果表明，BIMF1纹理参数与BPN的相关性较低，而BIMF2纹理参数与BPN的相关性高于实测剖面。此外，轮胎的接触状态、速度和滑移率对路面的防滑性能有重要影响。在不同的速度或滑移率下，质地和摩擦力之间的相关性是完全不同的。此外，在纹理与路面摩擦的相关性分析中，建议使用 MPD、MDE、Rq、Lq 和 Sku 来表征原始曲线和经 HHT 改变的曲线。轮胎的速度和滑移率对路面的防滑性能有重要影响。在不同的速度或滑移率下，质地和摩擦力之间的相关性是完全不同的。此外，在纹理与路面摩擦的相关性分析中，建议使用 MPD、MDE、Rq、Lq 和 Sku 来表征原始曲线和经 HHT 改变的曲线。轮胎的速度和滑移率对路面的防滑性能有重要影响。在不同的速度或滑移率下，质地和摩擦力之间的相关性是完全不同的。此外，在纹理与路面摩擦的相关性分析中，建议使用 MPD、MDE、Rq、Lq 和 Sku 来表征原始曲线和经 HHT 改变的曲线。