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FGI 기법을 이용한 도심 지하도로 연결로 접속부 설계요소 도출을 위한 사례 연구 KCI 등재

Derivation of Design Elements for Connection through Urban Underground using FGI Method

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한국도로학회논문집 (International journal of highway engineering)
한국도로학회 (Korean Society of Road Engineers)
초록

PURPOSES : The purpose of this study is to derive specific road design elements for safe urban underground and to adopt measures for minimizing traffic delays and to maintain efficient operation.
METHODS : In this study, a qualitative study was conducted using Focus Group Interview (FGI) method to identify significant connection characteristics and develop connections to urban underground roads. Finally, this study analyzes design elements necessary for traffic safety and efficient traffic operation. In addition, relevant case studies were performed with keywords from the FGI method results. Therefore, major design elements were analyzed for urban underground road connection and connection analysis for traffic simulation-based verification.
RESULTS : The main characteristics of the connection between the underground roads of the downtown area were divided into three types: traffic flow characteristics, geometric characteristics, and driver behavioral characteristics. From the review of 16 leading studies (10 domestic papers and 6 international papers) according to the characteristics, the main design factors for “traffic flow characteristics” include the traffic volume, design speed, heavy vehicle ratio, and lane change. The important design elements for “geometric characteristics” include the separation distance, number of lanes, slope, lane and shoulder width and the design factors for “driver behavioral characteristics” showed reaction time, driver vision, and driving speed. CONCLUSIONS : The FGI method identified the main characteristics of connections to the underground roads. In addition, the relevant empirical and theoretical research data were considered in case studies, and the design elements were derived and separated spatially based on the features of each design element, establishing a point-specific design element guideline.

목차
ABSTRACT
1. 서론
2. 연구수행방법
3. FGI 분석을 통한 질적연구 수행
    3.1. FGI 분석 개요
    3.2. FGI 분석 관련 문헌고찰
    3.3. FGI 조사내용
    3.4. FGI 분석 결과
4. FGI를 반영한 사례연구 및 설계요소 도출
    4.1. 사례연구 수행
    4.2. 주요 설계요소 도출
5. 결론
REFERENCES
저자
  • 박상현((주)내일이엔시 도로교통안전연구소) | Park Sang Hyun
  • 이진각((주)내일이엔시 도로교통안전연구소) | Lee Jin Kak 교신저자
  • 양충헌(한국건설기술연구원 인프라안전연구본부) | Yang Choong Heon
  • 이준(한국교통연구원 국가교통안전·방재연구센터) | Lee Joon
  • 강영균(현대건설 R&D센터 도시시스템팀) | Kang Young Kyun