• Title/Summary/Keyword: 건설공기

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A Study on the Delay Analysis Methodologies in Construction of Korea High Speed Railway (경부고속철도 건설사업의 공기지연분석에 관한 연구)

  • Yun Sung-Min;Lee Sang-Hyun;Chae Myung-Jin;Han Seung-Heon
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2004.11a
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    • pp.250-255
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    • 2004

  • To analyze delay, Seoul - Daegu line of Korea High Speed Railway was divided into three sections and analyzed independently by the business characteristics. The analysis on the project delay reasons was performed on macro and micro scales. This analytic method was named as 'Macro-Micro Delay Analysis Method (MMDAM)'. The macro scale analysis has three approaches, which are (1) scheduling, (3) structural characteristic, (3) and responsibility of project administrative works. Micro analysis also has three, methodologies which are (1) As Planned Method, (2) As Built method, (3) Modified Time Impact Analysis for analyzing the most influential section which the largest delay occurred. Using elicited project delay reasons from above analysis, the questionnaire was carried out for analyzing the influence of project delay reason. The reasons of the delay were driven from two different aspects (1) structural characteristic and (2) responsibility of the people involved in the project. The reasons that were identified from aforementioned three sections are the factors of the delay of the large-scale government driven projects. Finally, the author suggested the methodology of identifying the project delaying factors. The author also analyzed delay reasons in both the overseas and domestic cases of high rapid railway construction and has elicited some benchmarks for the future projects.

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ISIAQ

  • 한화택
    • Air Cleaning Technology
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    • v.15 no.1 s.56
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    • pp.85-86
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    • 2002

  • 국제 실내공기질 및 기후학회는 5차 IAQ`90 학술대회(토론토)를 마친 이후 1992년 109명의 과학자와 기술자에 의하여 결성되었으며 현재 핀란드에 사무국을 두고 있다. ISIAQ는 건강하고 쾌적하며 생산성 향상을 위한 실내환경 창조를 위하여 설립된 독립적인 과학 학제간 국제 비영리 기구로서, 실내공기질 및 기후에 관한 과학기술을 발전시킴으로써 실내환경설계, 건설, 유지관리, 공기질 측정과 건강과학의 증진을 목적으로 하고 있다.

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Optimal Project Duration Estimation Through Enhanced Resource Leveling Technique (개선된 자원 평준화 기법을 활용한 적정 공기산정에 관한 연구)

  • Yoon Yung-Sang;Kim Kyung-Hwan;Kim Jae-Jun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2004.11a
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    • pp.575-578
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    • 2004

  • Since a construction project is a series of works that utilizes resources to accomplish the project goal for a given time period, efficient resource management is a prerequisite for the success of the project. Two major areas of resource management are resource constrained scheduling focusing on the limited resource availability and resource leveling focusing on smoothing resource usage pattern on the fixed project completion time. It is not available, however, to apply both techniques to a project at the same time. This paper proposes a model to enhance the minimum moment algorithm of resource leveling, aiming to find an efficient usage of resources and an appropriate project completion time. A survey is performed to evaluate the major five factors using the AHP.

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