自20世纪80年代中期,中国开始修建高速公路,至今已有近30年的历史,到2014年年底,全国已建成通车里程达11.19万公里,其中85%以上为半刚性基层沥青路面结构形式,半刚性基层沥青路面是中国高速公路沥青路面的典型结构。伴随着半刚性基层沥青路面的修筑,《公路沥青路面设计规范》和《公路路面基层施工技术规范》也不断 Since the mid-1980s, China started construction of the expressway, which has been in existence for nearly 30 years. By the end of 2014, the country has completed a total of 111,900 km of open traffic mileage, of which 85% are semi-rigid grassroots asphalt pavement structures, Semi-rigid base asphalt pavement is a typical structure of asphalt pavement in China's expressway. Along with the construction of semi-rigid base asphalt pavement, the “Code for Design of Asphalt Pavement” and the “Technical Specifications of Grassroots Construction of Highway Pavement”