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近年来,随着公路使用年限的增加,在大自然和行车的共同作用下,道路的各种病害不断涌现,特别是近年来超载现象愈演愈烈,使得公路维修养护的间隔时间逐渐缩短,养护、改造任务也越来越重。采用传统方法将旧沥青路面和旧结构层全部挖除,再重新做基层和面层,不仅工程造价较高、施Ⅱ期较长、污染环境、并且需要长时间中断交通,给车辆和行人的通行带来极大的不便。为解决现有传统改建施工中存在的实际问题,国内外公路施工企业逐渐拼弃了传统工艺,开始尝试采用先进
In recent years, with the increase of the service life of the highway, various diseases of the road continue to emerge under the joint action of nature and driving. In particular, the overloading phenomenon has intensified in recent years, which shortens the interval between maintenance and repair of the highway and maintains and renovates The task is also getting heavier and heavier. The traditional method will be all the old asphalt pavement and the old structure of all excavated, and then re-do the grass-roots and surface layer, not only higher project costs, Shi longer period, pollute the environment, and the need for a long time to interrupt traffic to vehicles and pedestrians Access caused great inconvenience. In order to solve the practical problems existing in the existing traditional reconstruction works, domestic and foreign road construction enterprises gradually abandoned the traditional crafts and started to try advanced