A study on the performance-based design methodology for tunnels through case study on the tunnel built by the prescribed design

사양중심의 터널 설계 사례 연구를 통한 성능기반 터널 설계 방안에 관한 고찰

  • Received : 2013.07.03
  • Accepted : 2013.07.20
  • Published : 2013.07.31


Performance-based design is becoming a key word for structure design in architectural and civil engineering spheres. In this paper, the need of the performance-based design, especially for tunnels, was enhanced by case study on the largely deformed cut-and-cover arch tunnel built by the prescribed design. In addition, this paper introduces effective method of subdivision on tunnel performance to help field engineer's comprehension. Case study dealing with the issue of typical backwards problem in geotechnical engineering was examined. First of all, the outline of the damaged culvert as well as the surrounding embankment is in detail described. The background, together with the cause of damage, is discussed based on the results of site investigation. Secondly, it was attempted to elucidate the deformation mechanism of the embankment by means of numerical analysis, and the countermeasures are proposed. Finally, the stability of the embankment with the countermeasures was evaluated.


Grant : 터널 건설 기술 선진화를 위한 설계 및 시방기준분석 연구

Supported by : 국토교통과학기술진흥원


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