Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
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Cost Analysis of the Structural Work of Green Frame

  • Joo, Jin-Kyu (Graduate school of Construction Engineering and Industry, Kyonggi University) ;
  • Kim, Sun-Kuk (Department of Architectural Engineering, Kyung Hee University) ;
  • Lee, Goon-Jae (Department of Architectural Engineering, Kyung Hee University) ;
  • Lim, Chae-Yeon (Department of Architectural Engineering, Kyung Hee University)
  • Received : 2012.01.27
  • Accepted : 2012.05.23
  • Published : 2012.08.20
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Abstract

The adoption of Green Frame is expected to provide economic benefits, since construction costs are reduced by the in-situ production of precast concrete column and beam. The cost reduction can ultimately be realized by saving transportation costs and the overhead and profit of PC plants. The cost structure of Green Frame, which is built up using composite precast concrete members, is similar to that of a bearing-wall structure, but the difference in construction process has resulted in some cost differences for a few items. In particular, production and installation is the principal work involved in Green Frame made by precast concrete members, while form and concrete work is the principal work for a bearing-wall structure. As such, the rental time and fee for a tower crane should be compared through time analysis. To verify reliability, this study focused on developed residential projects to estimate the construction costs. Through this analysis, it was found that the costs of Green Frame were 1.57% lower than the costs of bearing-wall structure. The results of this study will help in the development of a management plan for the structural work of Green Frame.

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References

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