中文摘要：

运用故障树分析法演绎造成交通基础设施系统非长效的因素,在定性分析的基础上引入风险管理和危机管理的概念,提出对策,对关键因素进行前馈控制,最大限度保证系统的长效性。

英文摘要：

Analyzes the factors which make the traffic infrastructural system sustained working by fault tree method, lead in the concept of risk management and crisis management, and brings forward the countermeasures on the basis of qualitative analysis. Feedforward control was adopted to the key factors of traffic infrastructural system, to furthest ensure the long effectiveness of this system.