随着我国改革开放的不断深入,公路事业的发展也取得了一定的成效,但是公路在使用过程中将会不可避免的发生诸多质量问题,极大的限制了公路事业的发展以及行车的安全,对于进行预防性养护显得尤为重要,在进行公路预防性养护过程中,关键的因素在于能否掌握合理的时机,因此养护时机的确定显得尤为至关重要。 With the deepening of China’s reform and opening up, the development of highway has made some achievements. However, many quality problems will inevitably occur during the course of highway use, which will greatly limit the development of highway and traffic safety, For preventive maintenance is particularly important, in the process of preventive maintenance of the highway, the key factor lies in the availability of a reasonable opportunity, so the timing of maintenance is particularly crucial.