[논문]공동주택 RC 및 PC공법 적용 공사비 비교 및 OSC의 포괄적 경제성 분석 프레임워크 구축

윤원건; 배병윤; 강태경

doi:10.6106/kjcem.2022.23.6.030

공동주택 RC 및 PC공법 적용 공사비 비교 및 OSC의 포괄적 경제성 분석 프레임워크 구축
Comparison of Construction Cost Applied by RC and PC Construction Method for Apartment House and Establishment of OSC Economic Analysis Framework 원문보기

한국건설관리학회논문집 = Korean journal of construction engineering and management, v.23 no.6, 2022년, pp.30 - 42

윤원건 (한국건설기술연구원 건설정책연구소) , 배병윤 (한국건설기술연구원 건설정책연구소) , 강태경 (한국건설기술연구원 건설정책연구소)

초록
AI-Helper

OSC는 기획, 설계, 시공, 유지보수 등의 건설생산 전 과정에 걸친 공급망과 가치사슬의 한 유형으로 건설현장이 아닌 공장 등 제 3의 장소에서 제작한 후 현장으로 운반하여 설치 및 시공하므로써 최종 목적물을 생산하는 방식이다. 본 연구에서는 PC공법 및 RC공법을 적용한 공동주택 사례를 각각 1개에 대하여 공사비를 비교하였다. PC공법 적용(PC설계비 제외)의 경우 RC공법만 적용하는 경우에 비해 골조 단위물량(m³)당 골조공사비가 약 70% 내외로 증가(RC 공종 합계 기준 50%)함을 도출하였다. PC공법 적용 사례 전체 골조 공사비 중 PC비중이 90.2%로 'PC제작비'가 54.8%, 'PC조립' 28.5%, '운반'이 6.89%를 차지하여, PC제작 및 조립 부문에서 비용 절감 노력이 필요할 것으로 판단하였다. 또한, 비용과 편익을 함께 고려할 수 있는 의사결정 프레임워크 초안을 구축하였다. 편익의 경우 OSC 기술적 장점이 반영된 공사기간, 하자보수, 재해발생, 에너지효율, 소음/분진/폐기물, 온실가스 배출 지표를 제시하였다. OSC기반 PC 공동주택 도입 의사결정을 지원하기 위한 적용 효과 근거를 마련하는데 기여할 수 있을 것으로 판단된다.

Abstract ▼ AI-Helper

OSC is a type of supply chain and value chain that spans the entire process of construction production (planning, design, construction, maintenance, etc.). It is a method of producing the final object by manufacturing it in a factory, transporting it to the site, installing and construction. This research as is the construction cost was compared for each case A, which applied the PC method, and case B, which applied the RC method. In the case of applying the PC method (excluding the PC design cost), compared to the case where only the RC method was applied, the frame construction cost per unit quantity (m3) increased by about 70% (50% based on the total RC construction type). Of the total frame construction cost of PC method application, PC accounted for 90.2%, 'PC manufacturing cost' 54.8%, 'PC assembly cost' 28.5%, and 'transportation cost' accounted for 6.89%. Also a decision-making framework that can consider both costs and benefits was established. In the case of benefits, the construction period, defect repair, disaster occurrence, energy efficiency, noise/dust/waste, and greenhouse gas emission indicators reflecting OSC technical advantages were presented. It can contribute to providing a basis for helping decision-making on the introduction of PC apartment houses using OSC.

주제어

표/그림 (10)

표 Table 1. Construction cost details of apartment house (Ground floor Construction) by 'RC method'
표 Table 2. Prefabricated systems for housing (Thomas, 2005)
표 Table 3. Construction cost details of apartment House (Ground floor Construction) by 'PC method'
그림 Fig. 1. Overview of the case to be analyzed
표 Table 4. Frame by construction cost using PC method building (Analysis Method II)
표 Table 5. Frame by construction cost using RC method building (Analysis Method II)
표 Table 6. Construction cost using RC method underground parking lot (Analysis Method II)
표 Table 7. Construction cost using PC method underground parking lot (Analysis Method II)
표 Table 8 . Cost to society per case (HSE, 2016)
그림 Fig. 2. PC apartment house comprehensive economic analysis framework

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원문보기 상세보기

저자의 다른 논문 :

표제어: PCR

동의어: Packet Collision Rate

용어 설명 출처 목록 (6)

용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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