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随着我国高速公路的陆续开通,高速公路网络已基本形成,如今公路养护事业已进入维修养护阶段。而如果采用传统的养护方式,即对原沥青路面进行铣刨后重新加铺新的面层,会浪费很多的原材料,如砂石、沥青等,同时废弃的材料也对环境造成巨大的影响。沥青路面热再生技术作为一种可以循环利用原有资源的技术,逐渐成为今后沥青路面养护的常规方式。本文结合就地热再生在沪昆高速(湘)潭邵(阳)段高速公路湘潭段(以下简称潭邵高速湘潭段)中修处治中的应用,为沥青路面热再生今后的应用提供参考经验。
With the opening of China’s expressway one after another, the highway network has basically taken shape, and now the road maintenance business has entered the stage of maintenance and repair. However, if the traditional curing method is adopted, that is, after the original asphalt pavement is milled and then the new surface layer is reprocessed, a lot of raw materials such as sandstone, asphalt and the like are wasted, and the abandoned materials also have a huge impact on the environment. As a technology that can recycle the original resources, asphalt thermal regeneration technology has gradually become the common way of asphalt pavement maintenance in the future. In this paper, the application of on-site thermal regeneration in the medium-sized treatment of Xiangtan section of Shao-Yang Expressway in Hunan-Kunming Expressway (Xiangtan) is provided for reference in future application of thermal regeneration of asphalt pavement.