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A study on the establishment of domestic criteria through analysis of shield TBM requirements in overseas ITB (Invitation to Bid)

해외 쉴드TBM 입찰안내서 분석을 통한 국내 발주 기준 정립에 관한 연구

  • Kim, Ki-Hwan (Geotechnical Business Division, Sambo Engineering Co., Ltd.) ;
  • Kim, Hyouk (Geotechnical Business Division, Sambo Engineering Co., Ltd.) ;
  • Mun, Cheol-Hwa (Geotechnical Business Division, Sambo Engineering Co., Ltd.) ;
  • Kim, Young-Hyu (Geotechnical Business Division, Sambo Engineering Co., Ltd.) ;
  • Kim, Dong-Ho (Geotechnical Business Division, Sambo Engineering Co., Ltd.) ;
  • Lee, Jae-Yong (Geotechnical Business Division, Sambo Engineering Co., Ltd.)
  • Received : 2017.10.18
  • Accepted : 2017.11.16
  • Published : 2017.11.30

Abstract

In many countries, most of the tunneling works have been ordered by the shield TBM, and also Korean companies are actively bidding and execute in this project. In case of Korea, refurbished machines are mainly using in power cable, gas pipelines, and water and sewage tunnel. Also in metro projects, shield TBM of over diameter 7m is required mainly by using brand new machine. Since the shield TBM is not easy to change once it is produced, it is necessary for the client to provide sufficient information on the production conditions so as to satisfy various characteristics of the construction. In this study, to manufacturing optimal shield TBM, the Client's TBM requirements of tunnel construction in Hong Kong and UK was analyzed and compared with the domestic requirements. The results are expected to provide as client's guidelines for bidding stage and manufacturing for shield TBM tunneling in Korea in the future.

해외에서는 이미 많은 국가에서 대부분의 터널공사가 쉴드TBM공법으로 발주되고 있으며, 국내 기업도 활발하게 참여하여 수행하고 있는 실정이다. 국내의 경우는 재활용 장비를 활용한 전력구, 가스관로, 상하수도 공사를 중심으로, 지하철 터널의 경우는 신규장비를 활용한 7 m 이상의 쉴드TBM공법이 주로 발주되고 있다. 쉴드TBM은 한번 제작되면 변경하기 쉽지 않으므로, 해당 공사의 다양한 특성을 만족하도록 제작조건에 대해 충분한 정보를 발주자가 제공할 필요가 있다. 본 연구는 먼저 최적의 쉴드TBM 제작을 위해 최근 홍콩과 영국에서 발주된 도심지 터널공사의 입찰안내서에서 제시한 제반 조건들을 검토하고, 국내의 입찰안내서와 비교분석하였다. 이러한 분석결과는 향후 국내에서 쉴드TBM을 이용하여 터널공사를 수행하고자 하는 경우, 입찰 및 제작에 대한 보다 발전된 가이드라인을 제공할 수 있을 것으로 기대된다.

Keywords

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