沥青路面抗滑性能发展规律及技术需求分析

Development Law and Technical Demand Analysis of the Anti Sliding Performance of Asphalt Pavement

基于江苏省18条典型高速历年抗滑性能检测数据,利用沥青路面结构行为方程分析抗滑性能发展规律,并从性价比、耐久性、施工性能、保护原路面、环保等5个方面综合评估抗滑处治措施使用效果。结果表明,江苏省高速公路通车前10年,抗滑性能逐年下降,SFC全线平均值每年下降约1.35,下降百分比约2%,通车10年后,抗滑性能由于养护而趋于稳定;沥青路面结构行为方程可用于表征江苏省抗滑性能发展规律,形状因子β值为0.244,表明江苏省高速公路抗滑性能总体衰变较慢;不同养护措施使用效果排序为U-PAVE10>精细抗滑碎石封层>就地热再生> ECA-10>微表处。

Based on the anti-sliding performance test data of 18 typical high-speed highways in Jiangsu Province over the years, the development law of anti-sliding performance is analyzed by using the structural behavior equation of asphalt pavement, and the application effect of anti-sliding treatment measures is comprehensively evaluated from five aspects, such as cost performance, durability, construction performance, protection of original pavement and environmental protection. The results show that the anti-sliding performance of expressway in Jiangsu Province decreases year by year in the first 10 years, and the average value of SFC in the whole line decreases by about 1.35 every year, with a decreasing percentage of about 2%. After 10 years of operation, the anti-sliding performance tends to be stable due to maintenance. The structural behavior equation of asphalt pavement can be used to characterize the development law of anti-sliding performance in Jiangsu Province, and the value of shape factor β is 0.244, which indicates that the overall anti-sliding performance of Jiangsu Expressway decays slowly. The descending order of use effects of different maintenance measures are as follows: U-PAVE10, fine anti-slide gravel seal, local geothermal regeneration, ECA-10, and micro surface treatment.