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Steel Box교와 PSC Box교의 LCC 분석에 관한 사례연구
안장원,차강석,김용수,Ahn Jang-Won,Cha Kang-Suk,Kim Yong-Su 한국건설관리학회 2001 한국건설관리학회 논문집 Vol.2 No.2
본 연구는 사례연구를 통해서 강박스교와 PSC박스교의 생애주기비용(LCC)을 분석하여 경제성을 평가하는데 목적이 있다. 본 연구에서는 유지관리비를 산출하기 위해 보수 및 교체주기에 대한 설문조사를 실시하였으며, 교량 형식별 LCC 분석 및 비교에는 현재가치 법을 이용하였다. 본 연구의 수행 결과를 요약하면 다음과 같다. (1) 사례 연구를 통해 강박스교와 PSC박스교의 LCC 분석모델을 제시하였다. (2) 설문조사를 실시하여 강박스교와 PSC박스교 부속물의 보수 및 교체주기를 산정하였다. (3) LCC 사례 연구 결과, PSC박스교가 강박스교보다 경제적인 것으로 분석 되었다. The purpose of this study is to evaluate economics by the Life Cycle cost(LCC) analysis of Steel Box Girder and Prestressed Box Girder bridge types. The study has been performed as a case study. A questionnaire survey for the repair and replacement cycle has been done in order to predict operation and maintenance costs. For LCC analysis and comparison, the present value technique is used. The results of this study are summarized as follows: (1) A LCC analysis model of Steel Box Girder and Prestressed Box Girder bridge types is suggested through a case study. (2) The repair and replacement cycle of elements of them are investigated using a questionnaire survey. (3) As a result of LCC case study, the type of Prestressed Box Girder bridge is analyzed more economic than Steel Box Girder.
IMF시기 중소건설업체의 경쟁력 요소 분석과 경영전략에 관한 硏究 : 光州, 全南지역의 건설會社를 中心으로
강영순,차강석,김용수 中央大學校 建設環境硏究所 1999 環境科學硏究 Vol.10 No.-
This study aims at suggesting competition factors and management strategies necessary for survival and continuous growth of small and medium-size construction companies during IMF period. For this study, both literature and questionnaire survey have been performed, figuring out major competition factors and management strategies before and after IMF period. For the questionnaire survey, small and medium-size construction companies located in Kwangju city and Chounnam province are utilized The results of this study are as follows: 1) The major competition factors for the well-managed small and medium-size construction firms after IMF period are surveyed as following order ; ability of CEO, project performance, risk control, marketing, procurement, and strategic planning capability. 2) The degree of significance in terms of management strategies for the firms depicted above are discovered as following order ; quality enhancement and pursuing high value-added products, betterment andrationalization of management system, strenthening technical development, training and utilization of human resources, diversification and conversion of business structure, and drive forwards internationalization.