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考虑地震等自然灾害的影响 ,桥梁等交通基础设施全寿命总预期成本应包括结构初建成本、维修加固的预期费用及寿命期内的的灾害失效损失期望。本文根据成本承担情况 ,分为业主直接成本与用户间接成本 ,考虑工程参数、灾害系数以及社会经济环境因素 ,分别给出了相应的评估方法
Considering the impact of earthquakes and other natural disasters, the total expected life-time cost of transportation infrastructure such as bridges should include the initial cost of the structure, the expected cost of maintenance and reinforcement, and the expected loss of disaster losses during the life. According to the assumption of cost, this paper divides into the direct cost of the owner and the indirect cost of the user. Considering the engineering parameters, the disaster coefficient and the socio-economic environment factors, the corresponding assessment methods