Sustainable design model to reduce environmental impact of building construction with composite structures

Se Woon Choi, Byung Kwan Oh, Jun Su Park, Hyo Seon Park

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Thanks to advances in technologies related to zero energy buildings, reducing CO2 emissions during the design and construction phase becomes more and more important to reduce environmental impact from building construction. Even though more than half of high-rise buildings over 200 m completed in 2014 employed steel reinforced concrete (SRC) composite structures, most of sustainable design to reduce CO2 emissions were limited to reinforced concrete (RC) buildings. Since SRC is a composite structure consisting of three component materials of concrete, steel shape, and rebar, CO2 emissions can be effectively reduced by applying eco-friendly design strategies for determining the proportions of those components in SRC members. In this study, the sustainable design model for SRC composite structures is developed for optimal combination of construction materials with minimized CO2 emissions. The model is used to provide comprehensive analyses of variability of CO2 emissions in the building construction. The results indicates that increasing the cross-sectional area of steel shape is more advantageous for reduction of CO2 emissions than increasing the cross-sectional area of concrete for composite structures subjected to high axial loads required in high-rise building constructions based on the analysis of the contribution of each component to strength of column. Sensitivity analysis reveals that the environmental impact can be significantly reduced by using high strength materials in SRC structures. Further, through the application of the model to the design of an actual high-rise building, it is confirmed that derived SRC columns have excellent performances in terms of environmental impact and space utilization.

Original languageEnglish
Pages (from-to)823-832
Number of pages10
JournalJournal of Cleaner Production
Volume137
DOIs
Publication statusPublished - 2016 Nov 20

Fingerprint

building construction
Composite structures
reinforced concrete
Environmental impact
environmental impact
Reinforced concrete
steel
Steel
Concretes
Concrete buildings
Ecodesign
Sustainable design
concrete structure
Axial loads
Concrete construction
Sensitivity analysis
sensitivity analysis
CO2 emissions

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)
  • Strategy and Management
  • Industrial and Manufacturing Engineering

Cite this

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title = "Sustainable design model to reduce environmental impact of building construction with composite structures",
abstract = "Thanks to advances in technologies related to zero energy buildings, reducing CO2 emissions during the design and construction phase becomes more and more important to reduce environmental impact from building construction. Even though more than half of high-rise buildings over 200 m completed in 2014 employed steel reinforced concrete (SRC) composite structures, most of sustainable design to reduce CO2 emissions were limited to reinforced concrete (RC) buildings. Since SRC is a composite structure consisting of three component materials of concrete, steel shape, and rebar, CO2 emissions can be effectively reduced by applying eco-friendly design strategies for determining the proportions of those components in SRC members. In this study, the sustainable design model for SRC composite structures is developed for optimal combination of construction materials with minimized CO2 emissions. The model is used to provide comprehensive analyses of variability of CO2 emissions in the building construction. The results indicates that increasing the cross-sectional area of steel shape is more advantageous for reduction of CO2 emissions than increasing the cross-sectional area of concrete for composite structures subjected to high axial loads required in high-rise building constructions based on the analysis of the contribution of each component to strength of column. Sensitivity analysis reveals that the environmental impact can be significantly reduced by using high strength materials in SRC structures. Further, through the application of the model to the design of an actual high-rise building, it is confirmed that derived SRC columns have excellent performances in terms of environmental impact and space utilization.",
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Sustainable design model to reduce environmental impact of building construction with composite structures. / Choi, Se Woon; Oh, Byung Kwan; Park, Jun Su; Park, Hyo Seon.

In: Journal of Cleaner Production, Vol. 137, 20.11.2016, p. 823-832.

Research output: Contribution to journalArticle

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