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Predicting the CO2 Emission of Concrete Using Statistical Analysis

  • Hong, Tae-Hoon ;
  • Ji, Chang-Yoon ;
  • Jang, Min-Ho ;
  • Park, Hyo-Seon
  • Received : 2012.03.13
  • Accepted : 2012.05.10
  • Published : 2012.06.01

Abstract

Accurate assessment of $CO_2$ emission from buildings requires gathering $CO_2$ emission data of various construction materials. Unfortunately, the amount of available data is limited in most countries. This study was conducted to present the $CO_2$ emission data of concrete, which is the most important construction material in Korea, by conducting a statistical analysis of the concrete mix proportion. Finally, regression models that can be used to estimate the $CO_2$ emission of concrete in all strengths were developed, and the validity of these models was evaluated using 24 and 35MPa concrete data. The validation test showed that the error ratio of the estimated value did not exceed a maximum of 5.33%. This signifies that the models can be used in acquiring the $CO_2$ emission data of concrete in all strengths. The proposed equations can be used in assessing the environmental impact of various construction structural designs by presenting the $CO_2$ emission data of all concrete types.

Keywords

Sustainable construction;$CO_2$ emission;Life cycle assessment;Statistical analysis

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  2. Assessment Model for Energy Consumption and Greenhouse Gas Emissions during Building Construction vol.30, pp.2, 2014, https://doi.org/10.1061/(ASCE)ME.1943-5479.0000199
  3. CO2Emissions Evaluation for Steel Reinforced Concrete Columns Based on the Optimal Structural Design vol.26, pp.5, 2013, https://doi.org/10.7734/COSEIK.2013.26.5.335
  4. Integrated CO2, cost, and schedule management system for building construction projects using the earned value management theory vol.103, 2015, https://doi.org/10.1016/j.jclepro.2014.05.031
  5. Comparison of the CO2Emissions of Buildings using Input-Output LCA Model and Hybrid LCA Model vol.15, pp.4, 2014, https://doi.org/10.6106/KJCEM.2014.15.4.119
  6. Conversion Method for Obtaining CO2 Emission Data from the Life Cycle Inventory Database of Foreign Countries vol.31, pp.4, 2015, https://doi.org/10.1061/(ASCE)ME.1943-5479.0000270
  7. Environmental Impact Assessment of Buildings based on Life Cycle Assessment (LCA) Methodology vol.13, pp.5, 2012, https://doi.org/10.6106/KJCEM.2012.13.5.084

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)