公路预防性养护经济性分析和思考

Economic Analysis of Highway Preventive Maintenance and Reflections

预防性养护是对道路及其附属设施在病害未出现或明显扩大前进行的一种有前瞻性、主动性、计划性和针对性的节约全寿命周期费用和提高全寿命周期效益的超前处治措施,其核心是成本效益的最大化;拉大了路面大修周期,大大延长公路使用寿命,具有明显的社会效益、经济效益和环保效益。

The preventive conservation is an advanced treatment measure to save full life cycle costs and improve full life cycle benefits with foresight, initiative, planning and pertinence before the appearance or expanding of the disease on the road and subsidiary facilities, and its core is to maximize the cost benefits, which expands the overhaul cycle and greatly extends the service life of the highway, and has obvious social, economic and environmental benefits.