寻求一种快捷、方便、成本合理的减缓沥青混凝土路面早期病害的技术,已成为现阶段我国公路建设和养护的关键技术问题。只有长期保持良好的路面使用性能,公路建设的巨额投资才能充分发挥其投资效益,而预防性养护的意义就在于:在功能性病害先兆时进行养护,可延长路面的使用周期并节约养护维修资金。 Seeking a fast, convenient and cost-effective technology to reduce the early disease of asphalt concrete pavement has become the key technical issue of highway construction and maintenance in our country at this stage. Only long-term good performance of the pavement, the huge investment in road construction to give full play to their investment returns, and the preventive maintenance is that: conservation of precursors in functional diseases, can extend the life cycle of the road and save maintenance and repair funds .