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随着我国经济的蓬勃发展,各等级公路建设进入了又一个新的高峰期,公路总里程在逐年大比例增加。但是在公路建设取得巨大成就的同时,日益繁重的公路养护工作也摆在我们面前。公路运营过程中由于温度、行车荷载、材料老化等综合因素作用,其面层在不同时期会产生不同的病害。因此,公路养护部门必须根据病害特点对公路进行预防性养护、矫正性养
With the vigorous development of our economy, all levels of highway construction have entered yet another new peak. The total mileage of highways has been increasing at a large rate year by year. However, while great achievements have been made in road construction, increasingly heavy road maintenance work is before us. Due to the comprehensive factors such as temperature, driving load and material aging, the surface layer of road operation will produce different diseases in different periods. Therefore, the highway maintenance department must carry out preventive maintenance on the highway according to the characteristics of the disease,