Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
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Reinforced-Concrete Works Productivity and Influence Factor Analysis on Nuclear-Power-Plant Project

원자력발전소 건설현장의 철근콘크리트 공종 생산성 및 영향요인 분석

  • Huh, Young-Ki (Department of Architectural Engineering, Pusan National University) ;
  • Lim, Jin-Ho (Department of Architectural Engineering, Pusan National University) ;
  • Kim, Kyoung-Uk (Department of Architectural Engineering, Pusan National University) ;
  • Ahn, Young-Chul (Department of Architectural Engineering, Pusan National University) ;
  • Oh, Jae-Hun (Department of Architectural Engineering, Pusan National University)
  • Received : 2014.02.25
  • Accepted : 2014.05.08
  • Published : 2014.08.20
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Abstract

Nuclear power plant projects are being increased all over the world. The construction of nuclear power plants needs huge money and time, which makes conducting a detailed analysis of productivity through the whole process. Reinforced-concrete works productivity field data was collected for more than one year and analyzed from a nuclear-power-plant project in Korea. The productivities of formwork, rebar-work, and concrete pouring were $0.54m^2/man{\cdot}day$, $0.06ton/man{\cdot}day$, $1.98m^3/man{\cdot}day$, respectively. Moreover, it is revealed that 'Day of the Week' is a driver of the formwork activity and 'Overtime' is for all of the three. The results will be a great interest of industry personnel estimating time and cost of a new nuclear power plant.

특수 플랜트 건설은 타 건설사업보다 체계적인 원가 및 공정관리가 요구되지만 이를 위하 반드시 필요한 현장 생산성을 구체적으로 분석한 연구는 이루어지지 않고 있다. 본 연구에서는 국내에서 건설중인 특수 플랜트 현장의 철근콘크리트공종을 형틀, 철근, 콘크리트로 나누어 생산성을 측정하고 생산성에 영향을 미치는 요인을 분석하였다. 생산성 측정결과 형틀공종 $0.54(m^2/man{\cdot}time)$, 철근공종 $0.06(ton/man{\cdot}day)$, 콘크리트공종 $1.98(m^3/man{\cdot}time)$로 나타났다. 영향요인으로는 형틀공종은 요일과 야간적업 유무, 철근공종은 야간잡업 유무, 콘크리트공종은 야간작업 유무와 콘크리트 물량이 통계적으로 유의게 영향을 미치는 것으로 분석되었다.

Keywords

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