• Title/Summary/Keyword: underground gas pipelines

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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;Kim, Hyouk;Mun, Cheol-Hwa;Kim, Young-Hyu;Kim, Dong-Ho;Lee, Jae-Yong
    • Journal of Korean Tunnelling and Underground Space Association
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    • v.19 no.6
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    • pp.985-997
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    • 2017
  • 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.