沥青混合料碳排放计算模型及分级标准研究
发布时间：2019-05-23 10:49
【摘要】：沥青路面作为道路工程的重要组成部分，是带动社会和经济发展的动脉。在目前国际社会资源、环境问题越发严重的背景下，沥青路面由于其建设期的能耗高、温室气体排放量大等环境问题已越来越引起国内外的普遍重视。然而目前多采用定性方法分析沥青路面建设碳排放，定量分析与评价体系匮乏，，节能减排效果无法明确，这在一定程度上导致沥青路面节能减排技术的推广和应用受到阻碍。论文主要针对沥青混合料建设过程中的二氧化碳大量排放而展开的，建立沥青混合料碳排放评价体系。 论文通过对沥青混合料的生产、运输、摊铺及碾压等不同环节碳排放量展开详细调研，确定影响沥青混合料碳排放量的主要环节以及各个主要环节的主要参数指标；根据沥青混合料碳排放主要环节，依据工程实际生产现状以及理论计算方法，建立合适的碳排放计算模型，并据此提出沥青混合料碳排放的关键环节为集料加热、沥青脱桶加热和拌合站的拌合过程。根据低碳减排目标，通过对多条沥青路面现场施工标段的调查以及数据处理分析，按照沥青混合料碳排放量权衡比较情况及其对环境造成的影响程度，并结合数理统计方法和层次分析法，确定沥青混合料碳排放量分级标准及范围，将其划分为轻度排放（A）、中度排放（B）、重度排放（C）三个等级。论文依据沥青混合料现阶段的生产施工状况，提出相应的低碳减排技术措施。 研究成果可以对沥青混合料的碳排放进行有效的评价，实现路面由高碳排放建设模式向低碳排放建设模式的转化，有利于资源节约型、环境友好型交通系统的建立，具有的良好的工程应用前景和社会经济效益。
[Abstract]:As an important part of road engineering, asphalt pavement is the artery to promote social and economic development. Under the background of more and more serious resources and environmental problems in the international community, asphalt pavement has attracted more and more attention at home and abroad because of its high energy consumption and large greenhouse gas emissions. However, at present, most of the qualitative methods are used to analyze the carbon emissions of asphalt pavement construction, the quantitative analysis and evaluation system is scarce, and the effect of energy saving and emission reduction is not clear, which leads to the promotion and application of asphalt pavement energy saving and emission reduction technology is hindered to a certain extent. Aiming at the carbon dioxide emission in the process of asphalt mixture construction, the evaluation system of carbon emission from asphalt mixture is established in this paper. Through the detailed investigation of carbon emissions from different links, such as production, transportation, paving and rolling of asphalt mixture, the main links affecting carbon emission of asphalt mixture and the main parameter indexes of each link are determined in this paper. According to the main links of carbon emission of asphalt mixture, according to the actual production situation and theoretical calculation method of the project, a suitable calculation model of carbon emission is established, and the key link of carbon emission of asphalt mixture is aggregate heating. Asphalt de-bucket heating and mixing process of mixing station. According to the target of low carbon emission reduction, through the investigation and data processing analysis of several asphalt pavement site construction marks, the carbon emissions of asphalt mixture are weighed and compared according to the degree of impact on the environment. Combined with mathematical statistics method and analytic hierarchy process (AHP), the classification standard and range of carbon emission from asphalt mixture are determined, and they are divided into three grades: mild emission of (A), moderate emission of (B), severe emission of (C). According to the production and construction situation of asphalt mixture at this stage, the corresponding technical measures of low carbon emission reduction are put forward in this paper. The research results can effectively evaluate the carbon emission of asphalt mixture, and realize the transformation from high carbon emission construction mode to low carbon emission construction mode, which is beneficial to the establishment of resource-saving and environment-friendly transportation system. It has a good prospect of engineering application and social and economic benefits.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U414
本文编号：2483839
[Abstract]:As an important part of road engineering, asphalt pavement is the artery to promote social and economic development. Under the background of more and more serious resources and environmental problems in the international community, asphalt pavement has attracted more and more attention at home and abroad because of its high energy consumption and large greenhouse gas emissions. However, at present, most of the qualitative methods are used to analyze the carbon emissions of asphalt pavement construction, the quantitative analysis and evaluation system is scarce, and the effect of energy saving and emission reduction is not clear, which leads to the promotion and application of asphalt pavement energy saving and emission reduction technology is hindered to a certain extent. Aiming at the carbon dioxide emission in the process of asphalt mixture construction, the evaluation system of carbon emission from asphalt mixture is established in this paper. Through the detailed investigation of carbon emissions from different links, such as production, transportation, paving and rolling of asphalt mixture, the main links affecting carbon emission of asphalt mixture and the main parameter indexes of each link are determined in this paper. According to the main links of carbon emission of asphalt mixture, according to the actual production situation and theoretical calculation method of the project, a suitable calculation model of carbon emission is established, and the key link of carbon emission of asphalt mixture is aggregate heating. Asphalt de-bucket heating and mixing process of mixing station. According to the target of low carbon emission reduction, through the investigation and data processing analysis of several asphalt pavement site construction marks, the carbon emissions of asphalt mixture are weighed and compared according to the degree of impact on the environment. Combined with mathematical statistics method and analytic hierarchy process (AHP), the classification standard and range of carbon emission from asphalt mixture are determined, and they are divided into three grades: mild emission of (A), moderate emission of (B), severe emission of (C). According to the production and construction situation of asphalt mixture at this stage, the corresponding technical measures of low carbon emission reduction are put forward in this paper. The research results can effectively evaluate the carbon emission of asphalt mixture, and realize the transformation from high carbon emission construction mode to low carbon emission construction mode, which is beneficial to the establishment of resource-saving and environment-friendly transportation system. It has a good prospect of engineering application and social and economic benefits.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U414
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本文编号：2483839
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