Environmental impact assessment and eco-friendly decision-making in civil structures

Sang Hyo Kim, Moon Seock Choi, Ho Seong Mha, Jung Yeun Joung

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This study develops two useful procedures in performing an environmental-impact assessment. One is the advanced life-cycle assessment (LCA) method, which effectively tracks the flow of materials and considers the recycling and demolition of a civil structure. The other is an eco-friendly decision-making procedure, which may effectively apply when determining the prototype of a civil structure. The advanced LCA method differs from traditional LCA procedure, as it classifies the input material prior to the impact assessment. Classification work is performed to establish independent life-cycle stages for each material. The processes of recycling and demolition are appropriately added to the life-cycle stages. The impact assessment is performed separately for the materials, and results are aggregated at the end of the analysis.The eco-friendly decision-making procedure enables designers to choose an economical, and environmentally friendly, alternative during the planning phase of the construction project. This procedure rationally amalgamates economical value and environmental effects into a single indicator. The life cycle cost (LCC) of a structure can be analysed by using conventional LCC tools, whereas the environmental impact is estimated by LCA. The results from LCC and LCA are then integrated by using either a CO2 conversion method or an analytical hierarchy process (AHP). The CO2 conversion method presents the result as a monetary value, whereas the AHP presents the result as a non-dimensional value. A practical example using a steel box girder bridge and a pre-stressed concrete (PSC) box-girder bridge is also given in order to aid the understanding of the presented procedure.

Original languageEnglish
Pages (from-to)105-112
Number of pages8
JournalJournal of Environmental Management
Volume126
DOIs
Publication statusPublished - 2013 Sep 15

Fingerprint

Environmental impact assessments
environmental impact assessment
Life cycle
life cycle
Decision making
decision making
Box girder bridges
analytical hierarchy process
Demolition
demolition
assessment method
Environmental impact
Recycling
recycling
cost
Costs
Steel bridges
Concrete bridges
Prestressed concrete
environmental effect

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Waste Management and Disposal
  • Management, Monitoring, Policy and Law

Cite this

Kim, Sang Hyo ; Choi, Moon Seock ; Mha, Ho Seong ; Joung, Jung Yeun. / Environmental impact assessment and eco-friendly decision-making in civil structures. In: Journal of Environmental Management. 2013 ; Vol. 126. pp. 105-112.
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Environmental impact assessment and eco-friendly decision-making in civil structures. / Kim, Sang Hyo; Choi, Moon Seock; Mha, Ho Seong; Joung, Jung Yeun.

In: Journal of Environmental Management, Vol. 126, 15.09.2013, p. 105-112.

Research output: Contribution to journalArticle

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