石太高速公路就地热再生沥青路面使用效果跟踪研究

采用就地热再生技术对石太高速公路旧沥青路面进行维修，在进行旧沥青路面路况调查的基础上，通过对旧面层沥青混合料的抽提筛分试验，研究确定了再生沥青混合料的配合比设计以及路面就地热再生的施工方案，同时指出存在的一些问题．具有一定的工程指导意义。

In-place Hot Recycling Asphalt Pavement Effect Tracing Research about Shijiazhuang-Taiyuan Expressway

In-place hot recycling is adopted to maintain the old asphalt pavement of Shijiazhuang-Taiyuan expressway. On the basis of investigating old asphalt pavement, extraction and screening test about old pavement of asphalt mixture is conducted to study on the mixing design ratio and the construction scheme of pavement in-place hot recycling. In addition, some existing problems are ind- icated. It is significant to the construction.