抗车辙剂对彩色沥青混合料路用性能的影响

Influence of Anti-rutting Agent on Pavement Performance of Colored Asphalt Mixture

摘要:

为评价掺加抗车辙剂的彩色沥青混合料在重载交通道路的适用性，对掺加抗车辙剂（掺量分别为0%、0.3%、0.5%、0.7%）的彩色沥青混合料的路用性能进行检测。分析了抗车辙剂掺量对其路用性能的影响，并采用常用的重载交通专用沥青混合料进行对比。结果表明：掺加抗车辙剂后，彩色沥青混合料的高温稳定性显著提升，水稳定性也有一定程度提升，但低温抗裂性有一定程度降低；抗车辙剂在彩色沥青混合料中的最佳掺量为0.5 %；在抗车辙剂掺量最佳时，彩色沥青混合料路用性能达到重载交通专用沥青混合料水平，可尝试在重载交通道路进行应用。

Abstract:

In order to evaluate the applicability of colored asphalt mixture with anti-rutting agent in heavy-duty traffic roads, the pavement performances of colored asphalt mixture with anti-rutting agent (the content 0%, 0.3%, 0.5% and 0.7%, respectively) are tested. The influence of anti-rutting agent content on its pavement performance is analyzed, and the commonly used asphalt mixtures specially for heavy-duty traffic are compared. The results show that the addition of anti-rutting agent can significantly improve the high-temperature stability of colored asphalt mixtures, and the water stability has also been improved to a certain extent, but the low-temperature crack resistance has been reduced to a certain extent. The optimum content of anti-rutting agent in colored asphalt mixture is 0.5 %. When the content of anti-rutting agent is optimal, the pavement performance of colored asphalt mixture reaches the level of asphalt mixture specially for heavy-duty traffic, which can be attempted to apply in the heavy-duty traffic roads.