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Analysis of Monthly Excavation Length Depending on Ground Condition and TBM Diameter

터널 보링 머신 공법 구경별 지질조건에 따른 월굴진장 분석

  • Choi, Jae Jin (Department of Civil Engineering, Kongju National University) ;
  • Park, Hong Tae (Department of Civil Engineering, Kongju National University)
  • Received : 2014.02.19
  • Accepted : 2014.03.19
  • Published : 2014.03.31

Abstract

This study analyzed monthly excavation length and amount of time occupied by the work item based on drilling reports to record the entire work process of TBM tunnel site. TBM equipment( ${\varnothing}2.6m$, ${\varnothing}3.0m$, ${\varnothing}3.5m$, ${\varnothing}3.8m$) was developed by WIRTH company in Germany. In addition, This study analyzed rising expected monthly excavation length based on the lowest loss rate of operating shifts among the field of nine. Analysis results are confident to be a useful tool when Planning and Managing TBM method construction to the primary planning steps in the field similar to geological conditions and analyzed geological conditions.

본 연구는 독일의 WIRTH사에서 개발한 ${\varnothing}2.6m$, ${\varnothing}3.0m$, ${\varnothing}3.5m$, ${\varnothing}3.8m$ TBM 장비로 굴진한 TBM 공법 적용 터널 현장의 작업 전 과정을 수록한 굴진보고서를 근거로 작업 항목별로 차지하는 소요시간을 통계화하여 월굴진장을 분석하였다. 또한, 분석된 9개 현장의 운영교대시간의 손실률을 비교해서 가장 낮은 현장을 기준으로 TBM 상승 예상 월굴진장을 분석하였다. 이와 같이 분석된 결과는 향후 유사한 지질 조건의 현장에서 TBM 공법을 적용하여 운영할 경우 기본계획수립단계에서 개적인 공사기간과 공사비의 추정 등의 공사를 계획하고 관리하는데 유용한 도구로 활용할 수 있을 것이다.

Keywords

References

  1. Examples of Mountain Tunnel Construction in Japan, Civil Engineering Bachelor Hand Book, 1998
  2. Lee, YO, etc, "TBM method Application Examples of the tunnel excavation", Korea Journal of the Tunnel, 1997, pp 1-10
  3. Ultra Construction Co., Ltd. "Innovation of TBM Tunneling Technology", 2000, pp.1-20
  4. Park HT, etc, " Analysis of Excavation Speed and Direct Construction Cost Based on the Operating Productivities of TBM Method Site", Journal of The Korean Society of Civil Engineers, 2012, PP 637- 643
  5. Park YU, etc, "TBM Method Application Examples in the Hard Rock", Symposia for the Construction of Underground Space, Journal of Geotechnical Korea, 1998, pp 1-15
  6. T,Nishida, Y, Matsumura "Rock Mechnical Viewpoint on Excavation of Pressure Tunnel by TBM, 1993, pp.10-20