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介绍了预防性养护的理念,即在合适的时间,用恰当的方法,对适宜的路段进行养护,以使性能良好的路面保持更长的使用时间。还介绍了预防性养护规划技术的步骤和方法,结合国内外预防性养护规划中路段划分的评价指标,决定采用PCI、RQI、SRI、RL四项评价指标对路段进行划分;充分考虑每种预防性养护措施的费用、施工质量、可靠性等多方面的因素,采用等效年度费用法和项目级综合评判法来确定不同路段的最佳预防性养护措施;采用效益费用比(BCR)的方法计算不同路段、不同预防性养护措施的最佳预防性养护时间。最后以佛山一环快速干线为实例,进行了预防性养护规划技术的具体应用。
Preventive maintenance was introduced as a concept that at the right time, the proper road sections should be properly maintained in order to maintain a longer working life on a well performing surface. It also introduced the steps and methods of preventive maintenance planning technology. Based on the evaluation indexes of road sections in preventive maintenance programs at home and abroad, it decided to divide the road sections by using four evaluation indexes of PCI, RQI, SRI and RL; fully considered each kind of prevention The cost of sexual maintenance measures, construction quality, reliability and other factors, the equivalent annual cost method and project-level comprehensive assessment method to determine the best preventive maintenance measures in different sections; the use of cost-benefit ratio (BCR) method Calculate the best preventive maintenance time for different sections and different preventive maintenance measures. Finally, take Foshan a ring expressway as an example, carried out the specific application of preventive maintenance planning technology.