Since the beginning of the 21st century, environmental regulations have been increasingly strengthened with a view to sustainable development, and pan national efforts are invested from a variety of angles to reduce emission of carbon dioxide via cooperation of each country and between countries. A...
Since the beginning of the 21st century, environmental regulations have been increasingly strengthened with a view to sustainable development, and pan national efforts are invested from a variety of angles to reduce emission of carbon dioxide via cooperation of each country and between countries. At present, under the banner of low carbon emission and green policy, our country also sees each industrial sector making continued efforts to come up with a carbon neutral plan designed to encourage voluntary reduction of greenhouse gas.
Among these, the use of fossil fuel in the construction industry sector exerts much influence upon environmental load, so much so that such use makes up 25~28% of the total use by all industries. Thus, it is urgent to formulate a response measure. This study finds that as a matter of priority in terms of preparing such a response measure, it is possible to prepare a plan which can encourage environment friendly construction and decrease environmental load by applying the life cycle assessment (LCA) as a means of evaluating the environmental load of a building. Also, much research has been and continues to be conducted using such a method. From the results of earlier or existing studies applying LCA, we discovered that most environmental load substances of a building were created in large quantities during the early stages of construction. We also discovered that among these, emission of environmental load substances such as energy consumption of key materials and articles of buildings used during construction work and carbon dioxide emission occupied a significant proportion. As such, a more detailed analysis of key materials and articles of buildings and a corresponding response proposal are required.
This study seeks to deduce energy consumption of key building materials and article as well as the units of carbon dioxide emission by using the inter industry relations table for 2000, 2003, and 2005 regarding the area of key materials and articles used to construct buildings. Also, using the value of this result, the study seeks to explore energy consumption of key building materials and articles and changes to the units of carbon dioxide emission based on a comparison/analysis over a course of six years and to deduce materials creating the greatest amount of carbon dioxide while suggesting key characteristics appearing over time.
This study has a total of six chapters, and the following provides a summary of each.
Chapter 1 clarifies the research background and purpose of study as well as the contents and scope of research. The chapter also proposes the direction of research.
Chapter 2 conducts a prior survey of the contents to be covered by this study, analyzes the contents of existing case studies, and suggests their characteristics by considering existing research and literature.
Chapter 3 looks at the evaluation method for deducing energy consumption of key building materials and articles and the units of carbon dioxide emission. Also, the chapter selects the most appropriate method of evaluation and recommends a method for analysis.
Chapter 4 makes selection for key building materials and articles- via the 2005 inter industry relations table and calculates the units of carbon dioxide emission via the method of analysis suggested in Chapter 3.
Chapter 5 proposes sequentially and according to passage of time energy consumption of each material and article and units of carbon dioxide emission per year. The chapter also provides a comparative analysis using a table derived from this and suggests its results.
Chapter 6 summarizes the results acquired from this study and recommends the direction of research to be conducted in the future.
This study formulates the units of energy consumption and units of carbon dioxide emission for direct and indirect areas by using the 2005 inter industry relations table to formulate the units of energy consumption of key building materials and articles and the units of carbon dioxide emission and by using inter industry relations analysis which is an indirect estimation method. Further, the study compares/analyzes the value for 2000, 2003, and 2005 using the derived results. A summary of the results of research is as follows.
1) This study was able to select 37 key groups of products such as sand, gravel, cement, concrete articles, rebar, and steel bar, which are representative and key building articles and materials, from the inter industry table for 2000, 2003, and 2005 via a summary of the areas which existing literature and the Ministry of Knowledge Economy/Ministry of Environment have dealt with to calculate the units of energy consumption of key building materials and units of carbon dioxide emission.
2) Among the 37 selected key building materials and articles, the group with the highest CO2 emission was shown to be ready mix concrete, concrete articles, and primary aluminum goods.
3) As a result of analyzing the changes to the units of energy consumption of key building materials and units of carbon dioxide emission according to passage of time, the number of items which show changes such as sustained increase or decrease over time was insignificant with only 2 out of the total of 37 groups. Also, with 2000 as a point of reference, the items whose value showed a tendency for decline but whose value of results again increased in 2005 were shown to be 9 groups for units of energy consumption and 11 groups for units of carbon dioxide emission.
Since the beginning of the 21st century, environmental regulations have been increasingly strengthened with a view to sustainable development, and pan national efforts are invested from a variety of angles to reduce emission of carbon dioxide via cooperation of each country and between countries. At present, under the banner of low carbon emission and green policy, our country also sees each industrial sector making continued efforts to come up with a carbon neutral plan designed to encourage voluntary reduction of greenhouse gas.
Among these, the use of fossil fuel in the construction industry sector exerts much influence upon environmental load, so much so that such use makes up 25~28% of the total use by all industries. Thus, it is urgent to formulate a response measure. This study finds that as a matter of priority in terms of preparing such a response measure, it is possible to prepare a plan which can encourage environment friendly construction and decrease environmental load by applying the life cycle assessment (LCA) as a means of evaluating the environmental load of a building. Also, much research has been and continues to be conducted using such a method. From the results of earlier or existing studies applying LCA, we discovered that most environmental load substances of a building were created in large quantities during the early stages of construction. We also discovered that among these, emission of environmental load substances such as energy consumption of key materials and articles of buildings used during construction work and carbon dioxide emission occupied a significant proportion. As such, a more detailed analysis of key materials and articles of buildings and a corresponding response proposal are required.
This study seeks to deduce energy consumption of key building materials and article as well as the units of carbon dioxide emission by using the inter industry relations table for 2000, 2003, and 2005 regarding the area of key materials and articles used to construct buildings. Also, using the value of this result, the study seeks to explore energy consumption of key building materials and articles and changes to the units of carbon dioxide emission based on a comparison/analysis over a course of six years and to deduce materials creating the greatest amount of carbon dioxide while suggesting key characteristics appearing over time.
This study has a total of six chapters, and the following provides a summary of each.
Chapter 1 clarifies the research background and purpose of study as well as the contents and scope of research. The chapter also proposes the direction of research.
Chapter 2 conducts a prior survey of the contents to be covered by this study, analyzes the contents of existing case studies, and suggests their characteristics by considering existing research and literature.
Chapter 3 looks at the evaluation method for deducing energy consumption of key building materials and articles and the units of carbon dioxide emission. Also, the chapter selects the most appropriate method of evaluation and recommends a method for analysis.
Chapter 4 makes selection for key building materials and articles- via the 2005 inter industry relations table and calculates the units of carbon dioxide emission via the method of analysis suggested in Chapter 3.
Chapter 5 proposes sequentially and according to passage of time energy consumption of each material and article and units of carbon dioxide emission per year. The chapter also provides a comparative analysis using a table derived from this and suggests its results.
Chapter 6 summarizes the results acquired from this study and recommends the direction of research to be conducted in the future.
This study formulates the units of energy consumption and units of carbon dioxide emission for direct and indirect areas by using the 2005 inter industry relations table to formulate the units of energy consumption of key building materials and articles and the units of carbon dioxide emission and by using inter industry relations analysis which is an indirect estimation method. Further, the study compares/analyzes the value for 2000, 2003, and 2005 using the derived results. A summary of the results of research is as follows.
1) This study was able to select 37 key groups of products such as sand, gravel, cement, concrete articles, rebar, and steel bar, which are representative and key building articles and materials, from the inter industry table for 2000, 2003, and 2005 via a summary of the areas which existing literature and the Ministry of Knowledge Economy/Ministry of Environment have dealt with to calculate the units of energy consumption of key building materials and units of carbon dioxide emission.
2) Among the 37 selected key building materials and articles, the group with the highest CO2 emission was shown to be ready mix concrete, concrete articles, and primary aluminum goods.
3) As a result of analyzing the changes to the units of energy consumption of key building materials and units of carbon dioxide emission according to passage of time, the number of items which show changes such as sustained increase or decrease over time was insignificant with only 2 out of the total of 37 groups. Also, with 2000 as a point of reference, the items whose value showed a tendency for decline but whose value of results again increased in 2005 were shown to be 9 groups for units of energy consumption and 11 groups for units of carbon dioxide emission.
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