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STUDY ON SEEPAGE BEHAVIOR OF CONCRETE FACED GRAVEL-FILL DAM WITH CRACKED FACE SLAB 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
STUDY ON SEEPAGE BEHAVIOR OF CONCRETE FACED GRAVEL-FILL DAM WITH CRACKED FACE SLAB
학술지명 EADC 저자 임은상,김기영,조성은,박한규
발표일 2009-11-19

Direct climate change impacts are likely to be increased magnitude and frequency of extreme floods, changes in seasonality of floods. This could lead to a requirement to construct new dams for both flood retention and water supply. 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 infiltrates 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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