基于回归模型的排水沥青路面排水强度分析

Analysis of Drainage Intensity of Drainage Asphalt Pavement Based on Regression Model

为提高排水沥青路面设计可靠性,本文开展了基于回归模型的排水沥青路面排水强度分析研究。通过回顾排水沥青路面的发展历程与应用经验,总结了不同类型路面排水设计要点,结合其排水性能分析,利用回归模型对排水强度影响因素进行表达,得出排水层结构厚度、路拱横坡坡度与排水强度呈现出一次线性关系,而沥青混合料空隙率与排水强度呈指数关系,本文结论对排水沥青路面的设计有一定的指导意义。

In order to improve the design reliability of drainage asphalt pavement,the drainage intensity of drainage asphalt pavement based on regression model was studied and analyzed in this paper. By reviewing the development process and application experience of drainage asphalt pavement,the main points of drainage design for different types of pavement were summarized. Combined with the analysis of drainage performance,the regression model was used to express the influence factors of drainage intensity. It is concluded that the structure thickness of drainage layer and the slope gradient of road arch cross slope show a linear relationship with drainage intensity,while the void ratio of asphalt mixture has an exponential relationship with drainage intensity. The research results is of certain guiding significance in the design of drainage asphalt pavement.