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就桥梁预防性养护时机的确定方法展开研究,初步建立了桥梁预防性养护全寿命费用与优化方法的基本理论框架,从而保证桥梁结构在寿命周期内在满足耐久性要求的前提下,其养护综合花费成本最少,实现了技术可靠、经济合理的目的。文中所建立的模型和提出的计算公式与分析方法简单有效,提出的预防性养护概念和理论框架有利于改变人们对传统预防性养护的理解,是对现行设计体系和养护规范的完善和补充。
This paper studies the method of determining the preventive maintenance time of bridge and preliminarily establishes the basic theoretical framework of the life-span cost and optimization method of bridge preventive maintenance so as to ensure that the bridge structure can meet the requirements of durability within the life cycle, The least cost, to achieve a reliable technology, economic and reasonable purposes. The model and proposed calculation formula and analysis method proposed in this paper are simple and effective. The concept and framework of preventive maintenance proposed in this paper are helpful to change people’s understanding of traditional preventive maintenance, which is to perfect and supplement the existing design system and conservation code.