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

Korean Geotechnical Society (한국지반공학회)
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Study on Seepage Behavior of Concrete Faced Gravel-Fill Dam

표면차수벽형사력댐의 침투거동에 관한 연구

  • Cho, Sung-Eun (Korea Institute of Water and Environment, Korea Water Resources Corporation) ;
  • Kim, Ki-Young (Korea Institute of Water and Environment, Korea Water Resources Corporation) ;
  • Park, Han-Gyu (Korea Institute of Water and Environment, Korea Water Resources Corporation) ;
  • Ha, Ik-Soo (Korea Institute of Water and Environment, Korea Water Resources Corporation)
  • 조성은 (한국수자원공사 수자원연구원) ;
  • 김기영 (한국수자원공사 수자원연구원) ;
  • 박한규 (한국수자원공사 수자원연구원) ;
  • 하익수 (한국수자원공사 수자원연구원)
  • Published : 2008.10.10
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Abstract

CFRD (Concrete Faced Rockfill Dam) has been world-widely constructed due to a lot of advantages compared with rockfill dam and recently, sand/gravel materials, instead of crushed rock materials, are also utilized as a main rockfill material to overcome geological and environmental problems. In this paper, the process of water infiltration into the originally unsaturated sand/gravel-fill dam is studied using two-dimensional saturated-unsaturated seepage theory. According to the results of seepage analysis, if the effective drainage zone is installed in the dam, the reservoir water infiltrate into the dam along a downward flow path towards the lower drainage area. The main body constructed with sand/gravel materials, therefore, remains unsaturated.

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