摘要
根据全生命周期理论,对高速铁路全生命周期碳排放计算的边界进行界定,将全生命周期划分为建材生产阶段、施工建设阶段、运营维护阶段和报废拆除处置4个阶段。考虑全生命周期内各年度碳排放因子时空动态变化,分析高速铁路碳排放分解结构体系,建立高速铁路全生命周期碳排放数学模型。应用该模型对京沪高速铁路全生命周期碳排放进行定量分析及敏感度分析,对高速铁路各专业碳排放进行定量分解分析。结果表明,京沪高速铁路全生命周期碳排放为30 425.697万t,各阶段的碳排放所占比重依次为12.66%、1.32%、84.97%和1.05%。运营维护阶段碳排放最大,是全生命周期控制重点。敏感性分析结果表明电力碳排放因子敏感性最强,考虑碳排放因子时空动态因素变化,京沪高速铁路全生命周期碳排放比静态因子减少15.06%。
According to the life cycle theory,the boundary of life cycle carbon emission calculation model of high-speed railway（HSR）was defined based on the following four stages：production stage of building materials and operation equipment,construction stage,operation and maintenance stage and demolition stage.The components of the carbon emission system were analyzed considering the spatiotemporal dynamic variations of annual carbon emission factors in the life cycle.The mathematic calculation models of carbon emissions of the four stages were developed in the quantitative analysis and sensitivity analysis of life cycle carbon emissions of Beijing-Shanghai HSR.The life cycle carbon emissions of every field of the HSR system were also analyzed by using these calculation models.The results indicated that the life cycle carbon emissions of Beijing-Shanghai HSR were 304 256.97 kt.The contribution of the carbon emissions from the above mentioned four stages to the total amount was 12.66%,1.32%,84.97%and 1.05%,respectively.The operation and maintenance stage,with the highest carbon emissions produced,was the key stage in the control of the life cycle total carbon emissions.The results of the sensitivity analysis showed that the total emissions were most sensitive to the electricity consuming.The total amount of the life cycle carbon emissions of Beijing-Shanghai HSR considering the emission factors as spatiotemporal dynamic variations was 15.06%lower than that considering the emission factors as static ones.
出处
《铁道学报》
EI
CAS
CSCD
北大核心
2016年第12期47-55,共9页
Journal of the China Railway Society
基金
国家自然科学基金(51008201)
河北省自然科学基金(E2016210131)
河北省自然科学基金(E2014210152)
河北省高等学校科学技术研究(ZD2014084)
关键词
高速铁路
全生命周期
碳排放
敏感性分析
清单分析
high-speed railway
life cycle
carbon dioxide emission
sensitivity analysis
inventory analysis
