Integrated analysis model for assessing CO2 emissions, seismic performance, and costs of buildings through performance-based optimal seismic design with sustainability

Hyo Seon Park, Jin Woo Hwang, Byung Kwan Oh

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

An integrated sustainable seismic analysis model is developed to investigate the relationships of CO2 emissions, the seismic performance, and material production costs of seismic design schemes of buildings. In this study, a green seismic analysis model is presented in the form of performance-based optimal seismic design with sustainability (PBODS) that considers the economic feasibility, environmental sustainability, and seismic performance of a building based on the life cycle assessment (LCA) data subject to various performance objectives prescribed in performance-based seismic engineering. This analysis model is applied to reinforced concrete (RC) frame buildings, which comprise two heterogeneous materials—concrete and steel—that have different environmental impacts and thus have a high potential for CO2 emission mitigation. In the PBODS method presented in this study, CO2 emissions, material production costs, and the coefficient of variation (COV) of the inter-story drift ratio, which reflects the seismic performance, are set as the objective functions, and optimal designs that can minimize these three objective functions. The optimal designs for a 4-story and a 10-story RC buildings are then evaluated with respect to environmental sustainability, economic feasibility, and seismic performance using the presented integrated analysis model. Furthermore, the proposed model is used to quantitatively investigate the variations in CO2 emissions and material production costs depending on variations in the performance objectives.

Original languageEnglish
Pages (from-to)761-775
Number of pages15
JournalEnergy and Buildings
Volume158
DOIs
Publication statusPublished - 2018 Jan 1

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Seismic design
Sustainable development
Costs
Reinforced concrete
Concrete buildings
Economics
Environmental impact
Life cycle
Optimal design

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "An integrated sustainable seismic analysis model is developed to investigate the relationships of CO2 emissions, the seismic performance, and material production costs of seismic design schemes of buildings. In this study, a green seismic analysis model is presented in the form of performance-based optimal seismic design with sustainability (PBODS) that considers the economic feasibility, environmental sustainability, and seismic performance of a building based on the life cycle assessment (LCA) data subject to various performance objectives prescribed in performance-based seismic engineering. This analysis model is applied to reinforced concrete (RC) frame buildings, which comprise two heterogeneous materials—concrete and steel—that have different environmental impacts and thus have a high potential for CO2 emission mitigation. In the PBODS method presented in this study, CO2 emissions, material production costs, and the coefficient of variation (COV) of the inter-story drift ratio, which reflects the seismic performance, are set as the objective functions, and optimal designs that can minimize these three objective functions. The optimal designs for a 4-story and a 10-story RC buildings are then evaluated with respect to environmental sustainability, economic feasibility, and seismic performance using the presented integrated analysis model. Furthermore, the proposed model is used to quantitatively investigate the variations in CO2 emissions and material production costs depending on variations in the performance objectives.",
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