Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Study on the Influencing Factor for the Decision of the Embankment Construction Method using Geotextile tube Filled with Dredged soil

준설 토목섬유 튜브를 활용한 제방 축조 공법 결정을 위한 영향 인자에 관한 연구

  • Kim, Hyeong-Joo (Department of Civil Engineering, Kunsan National University) ;
  • Sung, Hyun-Jong (Department of Civil Engineering, Kunsan National University)
  • Received : 2013.09.04
  • Accepted : 2013.10.10
  • Published : 2013.10.31
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Abstract

In this paper, the influencing factors for the decision of the embankment construction method utilizing geotextile tube were studied by analyzing the application and economic considerations based on the construction practices of the geotextile tube filled with dredged soil in the domestic and international. In the domestic case, cost savings of 40 to 50% is attained by applying geotextile tubes in the embankment construction and in the international case, the amount of quarry materials was reduced from 20 to 70% by replacing the core of the embankment with geotextile tube. As a result, utilization of geotextile tube filled with dredged soil should be considered in a very large construction site with a quarry-to-site delivery distance of more than 16~25km. The construction scale and delivery distance were found to be important influencing factors for the decision of the embankment construction method utilizing geotextile tube filled with dredged soil.

본 논문에서는 국내외 준설 토목섬유 튜브 공법의 시공사례에 근거한 적용성과 경제성을 분석하여 공법 결정에 미치는 영향인자에 대하여 연구하였다. 국내사례에서는 준설 토목섬유 튜브를 적용함으로써 40~50% 정도의 공사비 절감 효과가 발생하고 국외사례의 경우는 사석 제방단면의 코어 부분을 준설 토목섬유 튜브로 대체함으로써 사석 물량을 20~70%이상 절감한 것으로 보고되고 있다. 연구결과 준설 토목섬유 튜브를 활용하여 제방 축조 시 구조물의 시공규모가 클수록 경제성이 크고, 사석 운반거리는 16~25km이상인 경우에 공사비 절감효과가 있는 것으로 나타났다. 따라서 준설 토목섬유 튜브를 활용한 제방 축조 공법 결정 시 시공규모 및 사석 운반거리는 중요한 영향인자임을 확인하였다.

Keywords

References

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