한국지반공학회:학술대회논문집 (Proceedings of the Korean Geotechical Society Conference)

한국지반공학회 (Korean Geotechnical Society)
권호 표지

SCP 시공에 따른 융기토 형상과 체적의 예측기법 제안

Suggestion of the Prediction Method about Upheaval Shape and Volume for SCP Construction

  • 정경환 ((주)동아지질) ;
  • 박찬우 ((주)동아지질) ;
  • 신민식 ((주)동아지질) ;
  • ;
  • ;
  • 이상재 ((주)부동건설)
  • Jeong, Gyeong-Hwan (Dong-A Geological Engineering Co., Ltd.) ;
  • Park, Chan-Woo (Dept., Dong-A Geological Eng. Co., Ltd.) ;
  • Shin, Min-Sik (Dept., Dong-A Geological Eng. Co. Ltd.) ;
  • Hideo-Tsuboi (Div., Fudo Construction Co. Ltd.) ;
  • Mitsuo-Nozu (Div., Fudo Const. Co. Ltd.) ;
  • Lee, Sang-Jae (Div., Fudo Construction Co., Ltd.)
  • 발행 : 2006.10.27
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초록

Busan-Geoje Fixed Link, total length of 8.2km, consist of bridge and immersed tunnel connects Gaduk island, Busan and Jangmokmyon, Geoje, in extension of the $58^{th}$ local road. The immersed tunnel, a total length of 3.7km within Busan-Geoje Fixed Link, was planed first timein domestic but the deep water depth like maximum of 50m with offshore conditions and the 35m thickness of soft clay layer under the immersed tunnel, migth be some problems like the differential settlement during or after works. So it was designed to install SCP(Sand Compaction Pile) column partially to improve the soft ground under the immersed tunnel. In this paper, it is presented to illustrate the design including ground condition under the immersed tunnel, improvement design, upheaval shape and ratio due to SCP test construction.

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