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在长期的公路养护过程中,涵洞跳车是养护的一大难题,此类病害尤其在3级以下公路中最为突出。分析涵洞跳车的原因主要有:(1)工程施工方面:没有按施工技术规范中的要求认真操作,在施工中填筑了不符合要求的土质,造成路基填土密实度不均匀和低于标准,路基抗压强度也不够,在行车作
In the long-term road maintenance process, culvert hopping is a major problem for conservation. Such diseases are most prominent among the roads below Grade 3. Analysis of culvert jumped from the main reasons are: (1) construction aspects: did not follow the construction technology specifications in the serious operation of filling in the construction of substandard soil, resulting in subgrade fill density is not uniform and less than Standard, subgrade compressive strength is not enough, in driving for