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石灰土基层沥青路面的挖补是路面养护工作中的重要内容。这项工作费时多、耗资大、季节性强。挖补方法虽不难,但工艺要求严格细致。若做不好,往往形成前补后坏,重复挖补的现象,增大了养护工作量,增加了养护费用,也给车辆行驶带来不便。为消除或减少重复挖补现象的发生,笔者收集了一些单位的较为有效的挖补方法,加之个人的一些经验,供基层养护部门在挖补石灰
Excavation of limestone base asphalt pavement is an important part of pavement maintenance work. The work is more time-consuming, costly and seasonal. Digging method is not difficult, but the process requires strict and meticulous. If you do not do well, often form a pre-fill after the bad, repeated digging phenomenon, an increase of maintenance workload, increased maintenance costs, but also to the vehicle inconvenience. In order to eliminate or reduce the occurrence of repeated digging, the author collected some units of more effective digging methods, combined with some personal experience for the grass-roots conservation departments in the dredging lime