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在我国目前已通车的高速公路使用过程中,由于受设计、施工、运营管理和通车条件的影响,通车使用年限普遍达不到设计使用周期。我认为,其主要原因是由于养护工作理念仍停留在事后修补的管理思路,未能实施有效的预防性养护,特别是在大量超重车辆导致路面加速破坏,一般通车5年～6年即需大修维护,从而导致既影响行车安全、又消耗巨大养
In the process of using the expressway which has been opened to traffic in our country at present, due to the influence of design, construction, operation management and traffic conditions, the service life of the traffic can not reach the design and usage period. In my opinion, the main reason is that the idea of conservation work is still stuck in the management mentality of post-mortem repair, and the effective preventive maintenance can not be implemented. In particular, due to the acceleration and destruction of pavements caused by large numbers of overloaded vehicles, general overhauls are required for over five to six years Maintenance, resulting in not only affect traffic safety, but also consume a huge raise