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http://dx.doi.org/10.6106/KJCEM.2012.13.4.132

An analysis on CO2 emission of structural steel materials by strength using Input-Output LCA  

Hong, Tae-Hoon (연세대학교 건축공학과)
Ji, Chang-Yoon (연세대학교 대학원 건축공학과)
Jang, Min-Ho (연세대학교 대학원 건축공학과)
Publication Information
Korean Journal of Construction Engineering and Management / v.13, no.4, 2012 , pp. 132-140 More about this Journal
Abstract
Along with the increasing interest in environmental problems such as global warming, the South Korean government has established policies and regulations to reduce the amount of greenhouse gases, targeting a 30% reduction of $CO_2$ compared to business-as-usual levels by 2020. Thus, there have been many studies in construction field to control and reduce the amount of $CO_2$ emitted from buildings. $CO_2$ emission from the building construction could be obtained by using the life cycle assessment(LCA) methodology. In LCA, it is essential to have life cycle inventory(LCI) data of construction materials consisting of $CO_2$ emission data that have been defined and examined in a detailed way in order to obtain more accurate and detailed $CO_2$ emission of buildings. To date, however, the LCI data have been acquired only for the representative materials. Accordingly this study aimed to propose detailed $CO_2$ emission data for steel rebar and H-beam, which are the essential structural steel materials, by strength and type. To accomplish the objective, this study used Input-Output LCA methodology which is based on the Input-Output table. It is believed that the $CO_2$ emission data of steel materials acquired from this study would allow a more accurate assessment of $CO_2$ emission for diverse structural design alternatives.
Keywords
$CO_2$ emission; Input-Output LCA; Life Cycle Assessment; Steel Product;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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