204国道东台段改扩建工程Superpave20沥青混合料配合比设计

Design of Mixture Ratio of Superpave 20 Asphalt Mixture for Dongtai Section Reconstruction and Extension Project in 204 National Highway

Superpave沥青混合料设计方法是一种新型的混合料设计方法,Superpave是Superior Performing Asphalt Pavement的缩写,中文意思是"高性能沥青路面",是美国战略公路研究计划(SHRP)的研究成果之一。从目前国内的应用来看,它较传统的马歇尔设计方法沥青混合料性能有较大的改善,有效地防止了沥青路面早期损害的发生。该文以204国道盐城南段(东台段)改扩建工程沥青面层试验为基础,依据Superpave沥青混合料设计实例对其进行探讨,以求指导路面设计与施工。

The design method of Superpave asphalt mixture is a new mixture design method.Superpave is the abbreviation of Superior Performance Asphalt Pavement.The meaning in Chinese is'superior performance asphalt pavement',which is one of the researching results of the strategic highway research planning(SHRP) of USA.Seen from the present local application,it is more improved than the asphalt mixture performance of the traditional Masher design method,and efficiently prevents the early damage of asphalt pavement.Taking the asphalt facing test of Yancheng South Section (Dongtai Section) Reconstruction Extension Project in 204 National Highway as the basis,and based on the design practice of Superpave asphalt mixture,the article discusses it to seek the instruction for the design and construction of pavement.