对于运营多年的水泥混凝土路面,各种病害增多且维护难度加大,为充分利用旧水泥路面剩余强度和稳定性,改善路面平整度和舒适性,对水泥混凝土路面进行沥青化改造已成为既节约成本又有利于环保和施工的发展趋势。近几年来山东省宁阳县公路局采用沥青罩面施工方式升级改造了几条旧水泥混凝土路面,运 For many years of operation of cement concrete pavement, a variety of diseases and more difficult to maintain, in order to make full use of the remaining strength and stability of the old cement pavement to improve the road surface roughness and comfort of cement concrete pavement asphalt reform has become an economical Cost is conducive to environmental protection and construction trends. In recent years, Shandong Province, Ningyang County Highway Bureau using asphalt overlay construction methods to upgrade a few old cement concrete pavement, transport