• Title/Summary/Keyword: 고속도로 터널

Search Result 154, Processing Time 0.023 seconds

고속도로에서의 환기${\cdot}$방재특성을 고려한 연속터널 설계사례

  • Kim, Yeong-Geun;Kim, U-Seong;Kim, Nam-Yeong;Lee, Ho-Seok;Kim, Il-Hwan
    • Proceedings of the Korean Society for Rock Mechanics Conference
    • /
    • 2004.04a
    • /
    • pp.47-59
    • /
    • 2004
  • 본 연구에서는 동해고속도로 설계시 나타난 연속터널을 대상으로 하여 터널내 오염농도 해석 및 터널내 오염농도의 거동 및 터널 갱구부 주변의 오염물질의 재유입 여부를 분석하여, 연속터널에 대한 터널내 외부유동에 대한 환기영향을 검증하였다. 또한 연속터널 연결부에서의 캐노피 설치방안, 결빙대책 및 조도순응대책 등을 검토하여 연속터널에서의 환기 및 방재특성을 고려한 합리적인 고속도로설계가 되고자 하였다.

  • PDF

Stability Analysis of Highway Tunnel and Railway Tunnel According to Section Shape (단면형상 차이에 따른 고속도로 터널과 철도터널의 안정성 분석)

  • Kim, Jae-Kyoung;Lee, Bum-Jun;Lee, Song
    • Journal of the Korea institute for structural maintenance and inspection
    • /
    • v.13 no.4 s.56
    • /
    • pp.107-115
    • /
    • 2009
  • The number of railway tunnel design is increasing recently compare to a great number of highway tunnel design which had increased with a lot of highway construction in the 70's and 80's. Therefore, there is more or less difference of time between highway tunnel and railway tunnel. In this paper, numerical analysis on two kinds of tunnels, such as two-forked road highway ventilation tunnel and double track railway tunnel with 4.3m of center line, in cases of with support materials condition and without support materials condition were conducted. Finally, stability of two kinds of tunnels were compared and analyzed through comparing of principal stresses and deviator stresses in the near base rock of tunnels using results of numerical analysis.

Analysis of Collapse Shape and Cause in the Highway Tunnel (고속도로터널의 붕락유형과 원인 분석)

  • Kim, Nag-Young;Kim, Sung-Hwan;Chung, Hyung-Sik
    • Journal of Korean Tunnelling and Underground Space Association
    • /
    • v.2 no.3
    • /
    • pp.13-24
    • /
    • 2000
  • The collapse shapes and causes of tunnel in the highway were analyzed and reinforced methods of tunnel were investigated in the paper. Collapse shapes of tunnel are divided into three types such as subsurface failure, small scale wedge failure and slickenside strata failure. These three shapes consist of 35%, 50%, and 15%, respectively. The 85% of collapse was located near the entrance and exit of tunnel. The 15% was located at the intersection of emergency laybys. When tunnel collapses are analyzed by the failure concept, sliding failure amounts to more than 83%.

  • PDF

고속도로 터널 단면 최적화 방안에 대한 연구

  • Park, Gwon-Je;Jeong, Guk-Yeong;Kim, Ji-Yeop;Kim, Ji-Hun;Kim, Yong-Sik;Choe, Yeong-Jin;Sin, Gi-Hyeok;Hong, Ik-Pyo
    • Magazine of korean Tunnelling and Underground Space Association
    • /
    • v.14 no.3
    • /
    • pp.38-47
    • /
    • 2012
  • 고속도로 터널 공사비의 가장 큰 비중을 차지하는 터널 단면 설계시, 주요 표준단면 결정요소의 일률적인 적용 및 기존 단면을 답습함에 따라 터널 천단부 등에 과대한 사공간이 발생하고 있으며, 기계환기 터널의 경우 제트팬 설치가 가능하도록 계획된 단면을 터널 전연장에 적용하고 있으나, 대부분의 구간은 제트팬 설치가 불필요한 구간이므로 이를 감안한 경제적인 단면 계획이 필요한 실정이다. 본 연구에서는 터널 내공단면 결정요소에 대한 개선 사항 및 기계환기 터널 적용시 단면 이원화를 통한 고속도로 터널 단면 최적화 방안을 도출하였다. 결과적으로 굴착 단면 최적화에 따른 경제성 확보 및 $CO_2$ 절감 효과를 기대할 수 있으며, 설계시 이를 바탕으로, 터널의 환기, 방재조건 및 토공량 등 노선 특성을 고려한 최적의 단면 계획이 필요하다.

  • PDF

Qualitative Factor Analysis on Speed Reduction of Drivers in Expressways Tunnel Section (고속도로 터널구간 도로이용자 속도감소의 정성적 요인분석 연구)

  • Park, Jun-Tae;Lee, Soo-Beom;Kim, Tae-Ho
    • International Journal of Highway Engineering
    • /
    • v.13 no.4
    • /
    • pp.151-158
    • /
    • 2011
  • Tunnel sections on the expressway are different from rest of sections on the expressway in terms of velocity, the number of passing cars, and vehicle density which, in particular, affect drivers' behavior before and after drivers pass through the tunnel. However, literature review reveals that former studies are too focused on quantitative indicator to consider qualitative aspects. Thus, this study tried to find out qualitative factors affecting speed reduction in tunnel sections based on questionnaire surveys and its analysis in tunnel sections selected by taking consideration of diverse conditions. Analysis showed that factors concerning tunnel configuration (lane width, shoulder width, and tunnel length) related to very long tunnels increasingly popular recently had some effects on reduced speed inside of tunnels. It appeared that visual environment such as visibility of tunnel entrance had an impact in speed reduction and vehicle speed tended to change according to lighting illumination level inside of tunnels. It is expected that continual investment would be made in technological development related to expressway tunnel design and service improvement based on this study.

The Measurement and Analysis for Tunnel Lighting Conditions of an Expressway (고속도로 터널조명 현황 측정 및 분석)

  • Lee, Min-Uk;Kim, Hyeong-Kwon;Shin, Sang-Rok;Kim, Hoon
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
    • /
    • 2008.05a
    • /
    • pp.181-183
    • /
    • 2008
  • 전국 주요 노선의 고속도로 터널도로를 대상으로 터널조명설비가 기준에 적합한지 그 성능을 차량을 이용한 고성능 터널조명 측정시스템으로 측정함으로써 터널조명의 적절성 여부와 터널조명 변화를 파악하고, 그 결과를 바탕으로 우리나라 터널조명의 실태를 비교 분석하였다.

  • PDF

A Study on the Characteristics of Each Type of LED Digital Landscape Lighting in Expressway Tunnel (고속도로 터널 내 LED Digital 경관조명 디자인의 유형별 특징 비교 연구)

  • Hwang, Ye-Jin
    • Journal of Digital Convergence
    • /
    • v.19 no.12
    • /
    • pp.457-462
    • /
    • 2021
  • As South Korea is a mountainous topography, installation of tunnel is essential for construction of expressway in straight lines. According to "2019 Road Bridge and Tunnel Status Report", there are 2,682 tunnels in Korea with total length of 2,077km. Tunnels take up 1.9% of total road length and the number of tunnel increased by 94% with 1,300 newly constructed tunnels over the 10 years. According to domestic and foreign researches, a long tunnel over 1km in expressway has dark lightings and monotonous wall design which decrease driver's concentration and make the driver feel bored. This leads to feeling fatigue and drowsiness more easily. In response, Korea Expressway Corporation installed design lighting that increases attentiveness on 10 tunnels with total length over 3km by 2020. To reduce the risks of accident that may happen inside the tunnel, this study conducted a comparative analysis on characteristics of each type of LED landscape lighting installed inside the expressway tunnel. The study aimed on providing the basic material for effective installation of LED landscape lighting for securing driving stability, reducing fatigue, and lowering the risk of drowsiness.

Design and maintenance art of long tunnel (장대터널의 설계 및 운영관리기술)

  • 윤철욱
    • The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea
    • /
    • v.28 no.6
    • /
    • pp.476-483
    • /
    • 1999
  • 사회기반시설의 확충을 통한 물류비용 절감을 위해 최근 국내 고속도로 및 국도, 도시교통망의 신.증설이 가속화되고 있는데 특히 1965년 2개 노선 75km로 시작하여 1998년 말 현재 20개 노선 1996.3km인 고속도로는 앞으로 3년 후인 2002년까지 2,800km, 2004년 3,700km의 도로망을 갖추게 되는 눈부신 발전을 이루게 된다. 이와 더불어 국내 터널 시공기술의 향상과 환경피해 최소화 노력에 따라 긴 터널이 급속히 증가하고 있는데, 현재 운영중인 1,000m 이상의 고속도로 터널이 3개소에 불과한데 비해 2003년 개통을 목표로 하고 있는 1,000m 이상 터널은 44개소에 이르고 있다.

  • PDF

A Case Study of Electronic-blasting, Railroad Tunnel to Pass under Existing Highway (기존 고속도로 하부 통과를 위한 철도터널 전자발파 시공사례)

  • Kim, Gab-Soo;Son, Young-Bok;Kim, Jae-Hoon
    • Explosives and Blasting
    • /
    • v.32 no.2
    • /
    • pp.16-24
    • /
    • 2014
  • In this "Wonju~Jaecheon double-lanes railroad" project, a highway is located at about 13meter above a tunnel. Initially, rock-splitting method was used for the tunnel excavation in order to minimize the possible damage on the highway. The method, however, takes a long time for the tunnel excavation and that may cause other problems like large displacement of tunnel and subsidence of highway ground before the tunnel can be stabilized by supporters. Therefore, the application of electronic blasting method(eDdevII) was recommended to control the blast vibration below 1.0cm/sec as well as to prevent the subsidence of highway ground. The analysis of the influence of tunnel excavation on the highway showed that electric blasting method is permissible for the safe management of the highway. Based on that, the tunnel construction under a highway could be carried out quickly and safely without any damages on the highway.