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http://dx.doi.org/10.12652/Ksce.2020.40.1.0069

LCA-based Environmental Impact Analysis for Prestressed Concrete Girders  

Choi, Gyeong-Chan (Kyungpook National University)
Kim, Do-Hoon (Kyungpook National University)
Park, Jin-Young (Kyungpook National University)
Kim, Byung-Soo (Kyungpook National University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.40, no.1, 2020 , pp. 69-76 More about this Journal
Abstract
Bridges which are components of road network consume large amounts of resources such as concrete and steel materials, which have large environmental impacts during construction. This causes a great environmental burden. In order to reduce the environmental impact caused by the construction of the bridge, the environmental impact should be reviewed based on reasonable data in the early design stage. The purpose of this study is to provide basic data for LCA-based environmental impact assessment in the process of selecting bridge type in the early design stage. For this purpose, design data for four types of PSC bridges (general PSC girder, IPC girder, e-Beam, DR girder) were collected and LCA was performed to analyze the basic unit value and impact factors of environmental load. The results of the analysis showed that the environmental impact of IPC girder was the smallest, and the environmental impact of e-Beam was 133.7% higher than that of IPC girder. In addition, concrete, reinforcement, PC strand, square timber, sheath pipe, and steel plate were derived as the main factors that generate 98.5% of the overall environmental impact of PSC girder.
Keywords
Road project; Bridge; Environmental impact; PSC girder; LCA;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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