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Research Paper

A study on the feasibility evaluation technique of urban utility tunnel by using quantitative indexes evaluation and benefit ‧ cost analysis

정량적 지표평가와 비용 ‧ 편익 분석을 활용한 도심지 공동구의 타당성 평가기법 연구

Seong-Won Lee1
,
Jee-Seung Chung2
,
Gwi-Tae Na3*
,
Myung-Seok Bang4
,
Joung-Bae Lee5
이 성원1
,
정 지승2
,
나 귀태3*
,
방 명석4
,
이 정배5
1Senior Research Fellow, Geotechnical Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology
2Professor, Dept. of Civil Engineering, Dongyang University
3Research Fellow, Dept. of Structural Engineering, Korea Engineering Consultant Corporation
4Professor, Dept. of Transportation System Engineering, Korea National University of Transportation
5Doctoral Course Fellow, Dept. of Transportation System Engineering, Korea National University of Transportation
1정회원, 한국건설기술연구원 지반연구소 연구위원
2비회원, 동양대학교 건설공학과 정교수
3정회원, (주)한국종합기술 구조부 연구원
4비회원, 한국교통대학교 교통시스템공학과 정교수
5정회원, 한국교통대학교 교통시스템공학과 박사과정
* Corresponding Author
31 January 2019. pp. 61-77
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Abstract

If a new utility tunnel is planned for high density existing urban areas in Korea, a rational decision-making process such as the determination of optimum design capacity by using the feasibility evaluation system based on quantitative evaluation indexes and the economic evaluation is needed. Thus, the previous study presented the important weight of individual higher-level indexes (3 items) and sub-indexes (16 items) through a hierarchy analysis (AHP) for quantitative evaluation index items, considering the characteristics of each urban type. In addition, an economic evaluation method was proposed considering 10 benefit items and 8 cost items by adding 3 new items, including the effects of traffic accidents, noise reduction and socio-economic losses, to the existing items for the benefit ‧ cost analysis suitable for urban utility tunnels. This study presented a quantitative feasibility evaluation method using the important weight of 16 sub-index items such as the road management sector, public facilities sector and urban environment sector. Afterwards, the results of quantitative

Keywords
Urban utility tunnel
Feasibility evaluation
Quantitative indexes evaluation
Optimum design capacity
Economic evaluation

밀집도가 높은 국내 기존 도심지를 대상으로 공동구를 새로이 계획할 경우에는 정량적 평가지표에 의한 타당성 평가시스템과 경제성 평가를 이용한 최적 설계용량 결정 등의 합리적인 의사결정 과정이 필요하다. 그러므로 이전 연구에서는 도심지 유형별 특성을 고려한 의사결정 계층구조를 구성하고 정량적 평가지표 항목에 대한 계층의사분석(AHP)을 통해서 개별 상위지표(3개) 부문과 하위지표(16개) 항목의 중요도 가중치를 제시하였다. 또한 도심지 공동구에 적합한 비용 ‧ 편익 분석을 위해서 교통사고 감소효과, 차량소음 저감효과, 사회 ‧ 경제적 손실 등의 3개 항목을 새로이 추가하여 10개의 편익 항목, 8개의 비용 항목을 고려한 경제성 평가방법이 제시되었다. 본 연구는 도로관리, 공공시설, 도시환경 부문의 하위 16개 평가지표의 중요도 가중치를 활용한 정량적 타당성 평가방법을 제시하고 서울시 주간선도로 123개 구간을 대상으로 타당성 평가를 실시하였다. 또한 타당성 평가결과와 경제성 평가결과를 비교하여 문제점을 분석하고 두 평가결과의 조합에 의한 종합평가 방법을 제시하였다. 본 연구에서 제시된 정량적 타당성 평가와 경제성 평가시스템의 로직을 프로그래밍하여 개발할 예정인 설계용량 최적화 프로그램은 도심지 공동구의 계획 및 설계 단계에서 활용되며 궁극적으로 도심지 공동구 활성화에 기여하게 될 것이다.

키워드
도심지 공동구
타당성 평가
정량적 지표평가
최적 설계용량
경제성 평가
References
1
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4
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Sim, Y.J., Jin, K.N., Oh, W.J., Cho, C.Y. (2018), "Optimal alternative decision technique of accommodation facility in multi-utility tunnel using VE/LCC analysis", Journal of Korean Tunnelling and Underground Space Association, Vol. 20, No. 2, pp. 317-329.
Information
  • Publisher :Korean Tunneling and Underground Space Association
  • Publisher(Ko) :한국터널지하공간학회
  • Journal Title :Journal of Korean Tunnelling and Underground Space Association
  • Journal Title(Ko) :한국터널지하공간학회 논문집
  • Volume : 21
  • No :1
  • Pages :61-77
  • Received Date : 2018-10-16
  • Revised Date : 2018-11-12
  • Accepted Date : 2018-11-16
  • DOI :https://doi.org/10.9711/KTAJ.2019.21.1.061
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