所谓城市道路“提质改造”指在已经建好的旧的混凝土路面上改造成性能良好的沥青混凝土路面。在加铺沥青混合料前必须对旧的混凝土路面进行检测评定,根据检测结果对旧有水泥混凝土路面的和路基进行加固处理。1工程概况某项目提质改造,桩号K0+230~K2+800,原为G107国道的一部分,由于城市发展扩张,已经由过程变成城市主干道,扩建工程以该国道为基础,在道路两侧新建绿化带、非机动车道、人行道、道路扩建到64m宽。原国道施工时间在90年代初,受当时 The so-called urban road “upgrading” refers to the already built good old concrete road surface into a good performance of asphalt concrete pavement. Before adding asphalt mixture must be tested on the old concrete pavement assessment, based on the test results of the old cement concrete pavement and roadbed reinforcement. 1 Project Overview A project to improve the quality of the project, station K0 +230 ~ K2 +800, originally part of the G107 National Road, due to the expansion of urban development, has been transformed into a city trunk road, expansion project to the national road as the basis, the road Both sides of the new green belt, non-motor vehicle lanes, sidewalks, road expansion to 64m wide. The original State Road construction time in the early 90s, by the time