An integrated evaluation of productivity, cost and CO2 emission between prefabricated and conventional columns

Jaewook Jeong; Taehoon Hong; Changyoon Ji; Jimin Kim; Minhyun Lee; Kwangbok Jeong; Seunghwan Lee

doi:10.1016/j.jclepro.2016.11.035

An integrated evaluation of productivity, cost and CO₂ emission between prefabricated and conventional columns

Jaewook Jeong, Taehoon Hong, Changyoon Ji, Jimin Kim, Minhyun Lee, Kwangbok Jeong, Seunghwan Lee

Research output: Journal article publication › Journal article › Academic research › peer-review

75 Citations (Scopus)

Abstract

The off-site prefabrication construction method offers several advantages that have positioned it as a good alternative to the conventional method. Recently in South Korea, a form-latticed prefabricated steel reinforced concrete (Form-LPSRC) column was invented as substitute for a conventional steel reinforced concrete (SRC) column. This study evaluates the productivity, cost, and CO₂ emission of Form-LPSRC column with those of SRC column through a case study. Two factory projects utilizing same-size Form-LPSRC and SRC columns are studied. In addition, Web-CYCLONE simulation and equation-based methods are utilized to calculate the productivity, cost, and CO₂ emission of the two column methods. In particular, Web-CYCLONE simulation is used for considering the idle time during the construction process. The Form-LPSRC column improved productivity by 42.5% and provided costs savings of 1.32% compared with the SRC column. Thus, the Form-LPSRC column is excellent for projects where construction duration and cost are of utmost importance. However, the CO₂ emission of the Form-LPSRC column is 72.18% higher than that of the SRC column.

Original language	English
Pages (from-to)	2393-2406
Number of pages	14
Journal	Journal of Cleaner Production
Volume	142
DOIs	https://doi.org/10.1016/j.jclepro.2016.11.035
Publication status	Published - 20 Jan 2017

Keywords

Carbon dioxide emission
Construction simulation
Cost
Prefabrication
Productivity
Web-CYCLONE

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
General Environmental Science
Strategy and Management
Industrial and Manufacturing Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

More information

10.1016/j.jclepro.2016.11.035

Cite this

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abstract = "The off-site prefabrication construction method offers several advantages that have positioned it as a good alternative to the conventional method. Recently in South Korea, a form-latticed prefabricated steel reinforced concrete (Form-LPSRC) column was invented as substitute for a conventional steel reinforced concrete (SRC) column. This study evaluates the productivity, cost, and CO2 emission of Form-LPSRC column with those of SRC column through a case study. Two factory projects utilizing same-size Form-LPSRC and SRC columns are studied. In addition, Web-CYCLONE simulation and equation-based methods are utilized to calculate the productivity, cost, and CO2 emission of the two column methods. In particular, Web-CYCLONE simulation is used for considering the idle time during the construction process. The Form-LPSRC column improved productivity by 42.5% and provided costs savings of 1.32% compared with the SRC column. Thus, the Form-LPSRC column is excellent for projects where construction duration and cost are of utmost importance. However, the CO2 emission of the Form-LPSRC column is 72.18% higher than that of the SRC column.",

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AU - Jeong, Kwangbok

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