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浙江大学学报(工学版)
J4  2012, Vol. 46 Issue (11): 2013-2019    DOI: 10.3785/j.issn.1008-973X.2012.11.012
    
Bridge maintenance optimization based on
life cycle carbon offset cost analysis
SUN Xiao-yan1, DONG Wei-wei1,2, WANG Hai-long1, WANG Jie3
1. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China;
2. Jiangsu Zhongshe Engineering Consultancy Group CO., LTD, Wuxi, China, 214072;
3. Department of Civil and Environmental Engineering, Stanford University, California, CA 94305-4020
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Abstract  

In order to control and reduce the environmental impact of infrastructure construction, so as to promote the low-carbon maintenance and management of bridge engineering, a carbon emission calculation model  was proposed on basis of the  multiplex maintenance strategy for existing bridge. The carbon emission was converted into current cost so as to establish a synthesized bridge life cycle cost system with consideration of  economic and environmental impacts  then the  bridge maintenance strategy was decided through optimization analyses. A case study for an existing bridge which has been in an active service for 25 years was carried out, and the analytical result shows that the method developed in this paper combines the carbon emission quantitative analysis with maintenance decision-making optimization, which agrees well with the bridge maintenance process. It has certain reference value for bridge maintenance management．

Published: 11 December 2012
CLC:  U 445.7  
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Cite this article:

SUN Xiao-yan, DONG Wei-wei, WANG Hai-long, WANG Jie. Bridge maintenance optimization based on
life cycle carbon offset cost analysis. J4, 2012, 46(11): 2013-2019.

URL:

http://www.zjujournals.com/eng/10.3785/j.issn.1008-973X.2012.11.012     OR     http://www.zjujournals.com/eng/Y2012/V46/I11/2013


考虑生命周期碳补偿成本的桥梁维修优化决策

为了有效控制和减少基础设施建设对环境的影响,推动桥梁低碳化管理养护,针对既有桥梁生命周期内多维修策略建立碳排量核算模型,并结合碳补偿成本建立综合考虑经济成本和环境影响的全寿命周期成本模型,开展既有桥梁的维修优化决策.基于一座服役期为25 a的桥梁开展的案例分析表明,该方法可与实际桥梁维修工艺结合,将碳排放以成本补偿的方式引入桥梁维修加固优化决策当中,对桥梁的维护管理具有一定的指导意义.

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