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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.24 No.6
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Case study of immersed tunnel for preservation of ecological environment

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2022, v.24 no.6, pp.679-697
https://doi.org/10.9711/KTAJ.2022.24.6.679


& (2022). Case study of immersed tunnel for preservation of ecological environment. (사)한국터널지하공간학회, 24(6), 679-697, https://doi.org/10.9711/KTAJ.2022.24.6.679
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Abstract

Having an awareness of the ongoing conception of Honam-Jeju, Korea-Japan, and Korea-China subsea tunnels for accommodating the railway, this paper investigates immersion tube tunnel technology, one of the underwater tunnel construction methods. This paper analyses the current status of immersed tube tunnels according to their location and function. This paper summarises the dredging methods and briefly introduces the muck disposal facility. Also introduced are the case studies where measures were taken to mitigate the impact of dredging on the surrounding marine environment. This paper also explains how the tunnel elements are connected underwater using an immersion joint. This paper classifies the foundation methods into bedding and ground improvement methods and provides summaries, including their environmental impact associated with drill cuttings and cementitious binders.

keywords
Dredger, Element transport, Confined disposal facility, Gravel bedding method, Sand compaction pile method, 준설선, 함체 운송, 밀폐된 준설토 처리시설, 자갈 기초 공법, 모래 다짐 말뚝 공법

(사)한국터널지하공간학회

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