如何正确掌握油路大中修周期,是公路养护部门值得探讨的问题。目前各国对油路大、中修周期规定不一,例如捷克双层表处交通量在250～3500辆次,使用年限为15～3年,中修周期为2～5年。目前我国的油路设计使用年限,从表处到沥青混凝土为6～15年。如果参照上述外国和本国规定的油路设计使用年限,往往与目前实际油路使用情况出入太大,公路养护部门,无法遵 How to correctly grasp the medium and large repair cycle of oil road maintenance department is worth discussing. At present, all countries have a long period of overhauling of fuel lines and different periods of repair. For example, traffic volume at the double-deck in the Czech Republic ranges from 250 to 3500 vehicles with a service life of 15 to 3 years and a medium maintenance cycle of 2 to 5 years. At present, the design life of oil circuit in our country ranges from 6 to 15 years from the surface to asphalt concrete. If we refer to the above-mentioned foreign and domestic provisions of the oil service life of the design, often with the current actual use of oil access is too large, highway maintenance department, can not comply