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桥梁失效成本组成的定量研究

DOI: 10.3969/j.issn.1674-0696.2014.03.08, PP. 32-37

Keywords: 桥梁工程,桥梁失效,失效成本,构件失效,系统失效,bridgeengineering,bridgefailure,failurecost,elementfailure,systemfailure

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Abstract:

:?用失效成本来评估桥梁失效后果,提出了桥梁失效成本组成的定量模型;把桥梁失效成本分为重建成本、交通延迟成本、道路与交通管理成本、人身损害赔偿成本及其它间接成本,重点研究了各组成成本的特点与计算方法;提出用分项成本指标来考虑失效成本在不同时间的影响,用后果严重性系数来比较不同桥梁失效程度的严重性,并进行了实例分析。研究结果表明:提出的桥梁失效成本定量模型具有一定的代表意义,可供桥梁管理者进行科学的养护决策。但涉及到社会影响等因素,失效成本往往更复杂,是进一步研究的方向。

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